Update openssl to version openssl-1.0.1m

Conflicts:
	openssl/Makefile
	openssl/Makefile.bak
	openssl/crypto/cryptlib.c

53 files changed, 9117 insertions, 8876 deletions

diff --git a/openssl/demos/asn1/ocsp.c b/openssl/demos/asn1/ocsp.c
index e89f1f72a..db4071989 100644
--- a/openssl/demos/asn1/ocsp.c
+++ b/openssl/demos/asn1/ocsp.c
@@ -1,6 +1,7 @@
 /* ocsp.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2000.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2000.
  */
 /* ====================================================================
  * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
@@ -10,7 +11,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -59,113 +60,111 @@
 #include <openssl/asn1t.h>
 #include <openssl/x509v3.h>
 
-
-
-
-/* Example of new ASN1 code, OCSP request
-
-	OCSPRequest     ::=     SEQUENCE {
-	    tbsRequest                  TBSRequest,
-	    optionalSignature   [0]     EXPLICIT Signature OPTIONAL }
-
-	TBSRequest      ::=     SEQUENCE {
-	    version             [0] EXPLICIT Version DEFAULT v1,
-	    requestorName       [1] EXPLICIT GeneralName OPTIONAL,
-	    requestList             SEQUENCE OF Request,
-	    requestExtensions   [2] EXPLICIT Extensions OPTIONAL }
-
-	Signature       ::=     SEQUENCE {
-	    signatureAlgorithm   AlgorithmIdentifier,
-	    signature            BIT STRING,
-	    certs                [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
-
-	Version  ::=  INTEGER  {  v1(0) }
-
-	Request ::=     SEQUENCE {
-	    reqCert                    CertID,
-	    singleRequestExtensions    [0] EXPLICIT Extensions OPTIONAL }
-
-	CertID ::= SEQUENCE {
-	    hashAlgorithm            AlgorithmIdentifier,
-	    issuerNameHash     OCTET STRING, -- Hash of Issuer's DN
-	    issuerKeyHash      OCTET STRING, -- Hash of Issuers public key
-	    serialNumber       CertificateSerialNumber }
-
-	OCSPResponse ::= SEQUENCE {
-	   responseStatus         OCSPResponseStatus,
-	   responseBytes          [0] EXPLICIT ResponseBytes OPTIONAL }
-
-	OCSPResponseStatus ::= ENUMERATED {
-	    successful            (0),      --Response has valid confirmations
-	    malformedRequest      (1),      --Illegal confirmation request
-	    internalError         (2),      --Internal error in issuer
-	    tryLater              (3),      --Try again later
-					    --(4) is not used
-	    sigRequired           (5),      --Must sign the request
-	    unauthorized          (6)       --Request unauthorized
-	}
-
-	ResponseBytes ::=       SEQUENCE {
-	    responseType   OBJECT IDENTIFIER,
-	    response       OCTET STRING }
-
-	BasicOCSPResponse       ::= SEQUENCE {
-	   tbsResponseData      ResponseData,
-	   signatureAlgorithm   AlgorithmIdentifier,
-	   signature            BIT STRING,
-	   certs                [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
-
-	ResponseData ::= SEQUENCE {
-	   version              [0] EXPLICIT Version DEFAULT v1,
-	   responderID              ResponderID,
-	   producedAt               GeneralizedTime,
-	   responses                SEQUENCE OF SingleResponse,
-	   responseExtensions   [1] EXPLICIT Extensions OPTIONAL }
-
-	ResponderID ::= CHOICE {
-	   byName   [1] Name,    --EXPLICIT
-	   byKey    [2] KeyHash }
-
-	KeyHash ::= OCTET STRING --SHA-1 hash of responder's public key
-				 --(excluding the tag and length fields)
-
-	SingleResponse ::= SEQUENCE {
-	   certID                       CertID,
-	   certStatus                   CertStatus,
-	   thisUpdate                   GeneralizedTime,
-	   nextUpdate           [0]     EXPLICIT GeneralizedTime OPTIONAL,
-	   singleExtensions     [1]     EXPLICIT Extensions OPTIONAL }
-
-	CertStatus ::= CHOICE {
-	    good                [0]     IMPLICIT NULL,
-	    revoked             [1]     IMPLICIT RevokedInfo,
-	    unknown             [2]     IMPLICIT UnknownInfo }
-
-	RevokedInfo ::= SEQUENCE {
-	    revocationTime              GeneralizedTime,
-	    revocationReason    [0]     EXPLICIT CRLReason OPTIONAL }
-
-	UnknownInfo ::= NULL -- this can be replaced with an enumeration
-
-	ArchiveCutoff ::= GeneralizedTime
-
-	AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER
-
-	ServiceLocator ::= SEQUENCE {
-	    issuer    Name,
-	    locator   AuthorityInfoAccessSyntax }
-
-	-- Object Identifiers
-
-	id-kp-OCSPSigning            OBJECT IDENTIFIER ::= { id-kp 9 }
-	id-pkix-ocsp                 OBJECT IDENTIFIER ::= { id-ad-ocsp }
-	id-pkix-ocsp-basic           OBJECT IDENTIFIER ::= { id-pkix-ocsp 1 }
-	id-pkix-ocsp-nonce           OBJECT IDENTIFIER ::= { id-pkix-ocsp 2 }
-	id-pkix-ocsp-crl             OBJECT IDENTIFIER ::= { id-pkix-ocsp 3 }
-	id-pkix-ocsp-response        OBJECT IDENTIFIER ::= { id-pkix-ocsp 4 }
-	id-pkix-ocsp-nocheck         OBJECT IDENTIFIER ::= { id-pkix-ocsp 5 }
-	id-pkix-ocsp-archive-cutoff  OBJECT IDENTIFIER ::= { id-pkix-ocsp 6 }
-	id-pkix-ocsp-service-locator OBJECT IDENTIFIER ::= { id-pkix-ocsp 7 }
+/*-
+   Example of new ASN1 code, OCSP request
+
+        OCSPRequest     ::=     SEQUENCE {
+            tbsRequest                  TBSRequest,
+            optionalSignature   [0]     EXPLICIT Signature OPTIONAL }
+
+        TBSRequest      ::=     SEQUENCE {
+            version             [0] EXPLICIT Version DEFAULT v1,
+            requestorName       [1] EXPLICIT GeneralName OPTIONAL,
+            requestList             SEQUENCE OF Request,
+            requestExtensions   [2] EXPLICIT Extensions OPTIONAL }
+
+        Signature       ::=     SEQUENCE {
+            signatureAlgorithm   AlgorithmIdentifier,
+            signature            BIT STRING,
+            certs                [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
+
+        Version  ::=  INTEGER  {  v1(0) }
+
+        Request ::=     SEQUENCE {
+            reqCert                    CertID,
+            singleRequestExtensions    [0] EXPLICIT Extensions OPTIONAL }
+
+        CertID ::= SEQUENCE {
+            hashAlgorithm            AlgorithmIdentifier,
+            issuerNameHash     OCTET STRING, -- Hash of Issuer's DN
+            issuerKeyHash      OCTET STRING, -- Hash of Issuers public key
+            serialNumber       CertificateSerialNumber }
+
+        OCSPResponse ::= SEQUENCE {
+           responseStatus         OCSPResponseStatus,
+           responseBytes          [0] EXPLICIT ResponseBytes OPTIONAL }
+
+        OCSPResponseStatus ::= ENUMERATED {
+            successful            (0),      --Response has valid confirmations
+            malformedRequest      (1),      --Illegal confirmation request
+            internalError         (2),      --Internal error in issuer
+            tryLater              (3),      --Try again later
+                                            --(4) is not used
+            sigRequired           (5),      --Must sign the request
+            unauthorized          (6)       --Request unauthorized
+        }
+
+        ResponseBytes ::=       SEQUENCE {
+            responseType   OBJECT IDENTIFIER,
+            response       OCTET STRING }
+
+        BasicOCSPResponse       ::= SEQUENCE {
+           tbsResponseData      ResponseData,
+           signatureAlgorithm   AlgorithmIdentifier,
+           signature            BIT STRING,
+           certs                [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
+
+        ResponseData ::= SEQUENCE {
+           version              [0] EXPLICIT Version DEFAULT v1,
+           responderID              ResponderID,
+           producedAt               GeneralizedTime,
+           responses                SEQUENCE OF SingleResponse,
+           responseExtensions   [1] EXPLICIT Extensions OPTIONAL }
+
+        ResponderID ::= CHOICE {
+           byName   [1] Name,    --EXPLICIT
+           byKey    [2] KeyHash }
+
+        KeyHash ::= OCTET STRING --SHA-1 hash of responder's public key
+                                 --(excluding the tag and length fields)
+
+        SingleResponse ::= SEQUENCE {
+           certID                       CertID,
+           certStatus                   CertStatus,
+           thisUpdate                   GeneralizedTime,
+           nextUpdate           [0]     EXPLICIT GeneralizedTime OPTIONAL,
+           singleExtensions     [1]     EXPLICIT Extensions OPTIONAL }
+
+        CertStatus ::= CHOICE {
+            good                [0]     IMPLICIT NULL,
+            revoked             [1]     IMPLICIT RevokedInfo,
+            unknown             [2]     IMPLICIT UnknownInfo }
+
+        RevokedInfo ::= SEQUENCE {
+            revocationTime              GeneralizedTime,
+            revocationReason    [0]     EXPLICIT CRLReason OPTIONAL }
+
+        UnknownInfo ::= NULL -- this can be replaced with an enumeration
+
+        ArchiveCutoff ::= GeneralizedTime
+
+        AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER
+
+        ServiceLocator ::= SEQUENCE {
+            issuer    Name,
+            locator   AuthorityInfoAccessSyntax }
+
+        -- Object Identifiers
+
+        id-kp-OCSPSigning            OBJECT IDENTIFIER ::= { id-kp 9 }
+        id-pkix-ocsp                 OBJECT IDENTIFIER ::= { id-ad-ocsp }
+        id-pkix-ocsp-basic           OBJECT IDENTIFIER ::= { id-pkix-ocsp 1 }
+        id-pkix-ocsp-nonce           OBJECT IDENTIFIER ::= { id-pkix-ocsp 2 }
+        id-pkix-ocsp-crl             OBJECT IDENTIFIER ::= { id-pkix-ocsp 3 }
+        id-pkix-ocsp-response        OBJECT IDENTIFIER ::= { id-pkix-ocsp 4 }
+        id-pkix-ocsp-nocheck         OBJECT IDENTIFIER ::= { id-pkix-ocsp 5 }
+        id-pkix-ocsp-archive-cutoff  OBJECT IDENTIFIER ::= { id-pkix-ocsp 6 }
+        id-pkix-ocsp-service-locator OBJECT IDENTIFIER ::= { id-pkix-ocsp 7 }
 
 */
 
@@ -174,193 +173,189 @@
 DECLARE_STACK_OF(Request)
 
 typedef struct {
-	ASN1_INTEGER *version;
-	GENERAL_NAME *requestorName;
-	STACK_OF(Request) *requestList;
-	STACK_OF(X509_EXTENSION) *requestExtensions;
+    ASN1_INTEGER *version;
+    GENERAL_NAME *requestorName;
+    STACK_OF(Request) *requestList;
+    STACK_OF(X509_EXTENSION) *requestExtensions;
 } TBSRequest;
 
 typedef struct {
-	X509_ALGOR *signatureAlgorithm;
-	ASN1_BIT_STRING *signature;
-	STACK_OF(X509) *certs;
+    X509_ALGOR *signatureAlgorithm;
+    ASN1_BIT_STRING *signature;
+    STACK_OF(X509) *certs;
 } Signature;
 
 typedef struct {
-	TBSRequest *tbsRequest;
-	Signature *optionalSignature;
+    TBSRequest *tbsRequest;
+    Signature *optionalSignature;
 } OCSPRequest;
 
 typedef struct {
-	X509_ALGOR *hashAlgorithm;
-	ASN1_OCTET_STRING *issuerNameHash;
-	ASN1_OCTET_STRING *issuerKeyHash;
-	ASN1_INTEGER *certificateSerialNumber;
+    X509_ALGOR *hashAlgorithm;
+    ASN1_OCTET_STRING *issuerNameHash;
+    ASN1_OCTET_STRING *issuerKeyHash;
+    ASN1_INTEGER *certificateSerialNumber;
 } CertID;
 
 typedef struct {
-	CertID *reqCert;
-	STACK_OF(X509_EXTENSION) *singleRequestExtensions;
+    CertID *reqCert;
+    STACK_OF(X509_EXTENSION) *singleRequestExtensions;
 } Request;
 
 /* Response structures */
 
 typedef struct {
-	ASN1_OBJECT *responseType;
-	ASN1_OCTET_STRING *response;
+    ASN1_OBJECT *responseType;
+    ASN1_OCTET_STRING *response;
 } ResponseBytes;
 
 typedef struct {
-	ASN1_ENUMERATED *responseStatus;
-	ResponseBytes *responseBytes;
+    ASN1_ENUMERATED *responseStatus;
+    ResponseBytes *responseBytes;
 } OCSPResponse;
 
 typedef struct {
-	int type;
-	union {
-	   X509_NAME *byName;
-	   ASN1_OCTET_STRING *byKey;
-	}d;
+    int type;
+    union {
+        X509_NAME *byName;
+        ASN1_OCTET_STRING *byKey;
+    } d;
 } ResponderID;
 
 typedef struct {
-	   ASN1_INTEGER *version;
-	   ResponderID *responderID;
-	   ASN1_GENERALIZEDTIME *producedAt;
-	   STACK_OF(SingleResponse) *responses;
-	   STACK_OF(X509_EXTENSION) *responseExtensions;
+    ASN1_INTEGER *version;
+    ResponderID *responderID;
+    ASN1_GENERALIZEDTIME *producedAt;
+    STACK_OF(SingleResponse) *responses;
+    STACK_OF(X509_EXTENSION) *responseExtensions;
 } ResponseData;
 
 typedef struct {
-	   ResponseData *tbsResponseData;
-	   X509_ALGOR *signatureAlgorithm;
-	   ASN1_BIT_STRING *signature;
-	   STACK_OF(X509) *certs;
+    ResponseData *tbsResponseData;
+    X509_ALGOR *signatureAlgorithm;
+    ASN1_BIT_STRING *signature;
+    STACK_OF(X509) *certs;
 } BasicOCSPResponse;
 
 typedef struct {
-	ASN1_GENERALIZEDTIME *revocationTime;
-	ASN1_ENUMERATED * revocationReason;
+    ASN1_GENERALIZEDTIME *revocationTime;
+    ASN1_ENUMERATED *revocationReason;
 } RevokedInfo;
 
 typedef struct {
-	int type;
-	union {
-	    ASN1_NULL *good;
-	    RevokedInfo *revoked;
-	    ASN1_NULL *unknown;
-	} d;
+    int type;
+    union {
+        ASN1_NULL *good;
+        RevokedInfo *revoked;
+        ASN1_NULL *unknown;
+    } d;
 } CertStatus;
 
 typedef struct {
-	   CertID *certID;
-	   CertStatus *certStatus;
-	   ASN1_GENERALIZEDTIME *thisUpdate;
-	   ASN1_GENERALIZEDTIME *nextUpdate;
-	   STACK_OF(X509_EXTENSION) *singleExtensions;
+    CertID *certID;
+    CertStatus *certStatus;
+    ASN1_GENERALIZEDTIME *thisUpdate;
+    ASN1_GENERALIZEDTIME *nextUpdate;
+    STACK_OF(X509_EXTENSION) *singleExtensions;
 } SingleResponse;
 
-
 typedef struct {
     X509_NAME *issuer;
     STACK_OF(ACCESS_DESCRIPTION) *locator;
 } ServiceLocator;
 
-
 /* Now the ASN1 templates */
 
 IMPLEMENT_COMPAT_ASN1(X509);
 IMPLEMENT_COMPAT_ASN1(X509_ALGOR);
-//IMPLEMENT_COMPAT_ASN1(X509_EXTENSION);
+// IMPLEMENT_COMPAT_ASN1(X509_EXTENSION);
 IMPLEMENT_COMPAT_ASN1(GENERAL_NAME);
 IMPLEMENT_COMPAT_ASN1(X509_NAME);
 
 ASN1_SEQUENCE(X509_EXTENSION) = {
-	ASN1_SIMPLE(X509_EXTENSION, object, ASN1_OBJECT),
-	ASN1_OPT(X509_EXTENSION, critical, ASN1_BOOLEAN),
-	ASN1_SIMPLE(X509_EXTENSION, value, ASN1_OCTET_STRING)
+        ASN1_SIMPLE(X509_EXTENSION, object, ASN1_OBJECT),
+        ASN1_OPT(X509_EXTENSION, critical, ASN1_BOOLEAN),
+        ASN1_SIMPLE(X509_EXTENSION, value, ASN1_OCTET_STRING)
 } ASN1_SEQUENCE_END(X509_EXTENSION);
-	
+
 
 ASN1_SEQUENCE(Signature) = {
-	ASN1_SIMPLE(Signature, signatureAlgorithm, X509_ALGOR),
-	ASN1_SIMPLE(Signature, signature, ASN1_BIT_STRING),
-	ASN1_SEQUENCE_OF(Signature, certs, X509)
+        ASN1_SIMPLE(Signature, signatureAlgorithm, X509_ALGOR),
+        ASN1_SIMPLE(Signature, signature, ASN1_BIT_STRING),
+        ASN1_SEQUENCE_OF(Signature, certs, X509)
 } ASN1_SEQUENCE_END(Signature);
 
 ASN1_SEQUENCE(CertID) = {
-	ASN1_SIMPLE(CertID, hashAlgorithm, X509_ALGOR),
-	ASN1_SIMPLE(CertID, issuerNameHash, ASN1_OCTET_STRING),
-	ASN1_SIMPLE(CertID, issuerKeyHash, ASN1_OCTET_STRING),
-	ASN1_SIMPLE(CertID, certificateSerialNumber, ASN1_INTEGER)
+        ASN1_SIMPLE(CertID, hashAlgorithm, X509_ALGOR),
+        ASN1_SIMPLE(CertID, issuerNameHash, ASN1_OCTET_STRING),
+        ASN1_SIMPLE(CertID, issuerKeyHash, ASN1_OCTET_STRING),
+        ASN1_SIMPLE(CertID, certificateSerialNumber, ASN1_INTEGER)
 } ASN1_SEQUENCE_END(CertID);
 
 ASN1_SEQUENCE(Request) = {
-	ASN1_SIMPLE(Request, reqCert, CertID),
-	ASN1_EXP_SEQUENCE_OF_OPT(Request, singleRequestExtensions, X509_EXTENSION, 0)
+        ASN1_SIMPLE(Request, reqCert, CertID),
+        ASN1_EXP_SEQUENCE_OF_OPT(Request, singleRequestExtensions, X509_EXTENSION, 0)
 } ASN1_SEQUENCE_END(Request);
 
 ASN1_SEQUENCE(TBSRequest) = {
-	ASN1_EXP_OPT(TBSRequest, version, ASN1_INTEGER, 0),
-	ASN1_EXP_OPT(TBSRequest, requestorName, GENERAL_NAME, 1),
-	ASN1_SEQUENCE_OF(TBSRequest, requestList, Request),
-	ASN1_EXP_SEQUENCE_OF_OPT(TBSRequest, requestExtensions, X509_EXTENSION, 2)
+        ASN1_EXP_OPT(TBSRequest, version, ASN1_INTEGER, 0),
+        ASN1_EXP_OPT(TBSRequest, requestorName, GENERAL_NAME, 1),
+        ASN1_SEQUENCE_OF(TBSRequest, requestList, Request),
+        ASN1_EXP_SEQUENCE_OF_OPT(TBSRequest, requestExtensions, X509_EXTENSION, 2)
 } ASN1_SEQUENCE_END(TBSRequest);
 
 ASN1_SEQUENCE(OCSPRequest) = {
-	ASN1_SIMPLE(OCSPRequest, tbsRequest, TBSRequest),
-	ASN1_EXP_OPT(OCSPRequest, optionalSignature, Signature, 0)
+        ASN1_SIMPLE(OCSPRequest, tbsRequest, TBSRequest),
+        ASN1_EXP_OPT(OCSPRequest, optionalSignature, Signature, 0)
 } ASN1_SEQUENCE_END(OCSPRequest);
 
-
 /* Response templates */
 
 ASN1_SEQUENCE(ResponseBytes) = {
-	    ASN1_SIMPLE(ResponseBytes, responseType, ASN1_OBJECT),
-	    ASN1_SIMPLE(ResponseBytes, response, ASN1_OCTET_STRING)
+            ASN1_SIMPLE(ResponseBytes, responseType, ASN1_OBJECT),
+            ASN1_SIMPLE(ResponseBytes, response, ASN1_OCTET_STRING)
 } ASN1_SEQUENCE_END(ResponseBytes);
 
 ASN1_SEQUENCE(OCSPResponse) = {
-	ASN1_SIMPLE(OCSPResponse, responseStatus, ASN1_ENUMERATED),
-	ASN1_EXP_OPT(OCSPResponse, responseBytes, ResponseBytes, 0)
+        ASN1_SIMPLE(OCSPResponse, responseStatus, ASN1_ENUMERATED),
+        ASN1_EXP_OPT(OCSPResponse, responseBytes, ResponseBytes, 0)
 } ASN1_SEQUENCE_END(OCSPResponse);
 
 ASN1_CHOICE(ResponderID) = {
-	   ASN1_EXP(ResponderID, d.byName, X509_NAME, 1),
-	   ASN1_IMP(ResponderID, d.byKey, ASN1_OCTET_STRING, 2)
+           ASN1_EXP(ResponderID, d.byName, X509_NAME, 1),
+           ASN1_IMP(ResponderID, d.byKey, ASN1_OCTET_STRING, 2)
 } ASN1_CHOICE_END(ResponderID);
 
 ASN1_SEQUENCE(RevokedInfo) = {
-	ASN1_SIMPLE(RevokedInfo, revocationTime, ASN1_GENERALIZEDTIME),
-  	ASN1_EXP_OPT(RevokedInfo, revocationReason, ASN1_ENUMERATED, 0)
+        ASN1_SIMPLE(RevokedInfo, revocationTime, ASN1_GENERALIZEDTIME),
+        ASN1_EXP_OPT(RevokedInfo, revocationReason, ASN1_ENUMERATED, 0)
 } ASN1_SEQUENCE_END(RevokedInfo);
 
 ASN1_CHOICE(CertStatus) = {
-	ASN1_IMP(CertStatus, d.good, ASN1_NULL, 0),
-	ASN1_IMP(CertStatus, d.revoked, RevokedInfo, 1),
-	ASN1_IMP(CertStatus, d.unknown, ASN1_NULL, 2)
+        ASN1_IMP(CertStatus, d.good, ASN1_NULL, 0),
+        ASN1_IMP(CertStatus, d.revoked, RevokedInfo, 1),
+        ASN1_IMP(CertStatus, d.unknown, ASN1_NULL, 2)
 } ASN1_CHOICE_END(CertStatus);
 
 ASN1_SEQUENCE(SingleResponse) = {
-	   ASN1_SIMPLE(SingleResponse, certID, CertID),
-	   ASN1_SIMPLE(SingleResponse, certStatus, CertStatus),
-	   ASN1_SIMPLE(SingleResponse, thisUpdate, ASN1_GENERALIZEDTIME),
-	   ASN1_EXP_OPT(SingleResponse, nextUpdate, ASN1_GENERALIZEDTIME, 0),
-	   ASN1_EXP_SEQUENCE_OF_OPT(SingleResponse, singleExtensions, X509_EXTENSION, 1)
+           ASN1_SIMPLE(SingleResponse, certID, CertID),
+           ASN1_SIMPLE(SingleResponse, certStatus, CertStatus),
+           ASN1_SIMPLE(SingleResponse, thisUpdate, ASN1_GENERALIZEDTIME),
+           ASN1_EXP_OPT(SingleResponse, nextUpdate, ASN1_GENERALIZEDTIME, 0),
+           ASN1_EXP_SEQUENCE_OF_OPT(SingleResponse, singleExtensions, X509_EXTENSION, 1)
 } ASN1_SEQUENCE_END(SingleResponse);
 
 ASN1_SEQUENCE(ResponseData) = {
-	   ASN1_EXP_OPT(ResponseData, version, ASN1_INTEGER, 0),
-	   ASN1_SIMPLE(ResponseData, responderID, ResponderID),
-	   ASN1_SIMPLE(ResponseData, producedAt, ASN1_GENERALIZEDTIME),
-	   ASN1_SEQUENCE_OF(ResponseData, responses, SingleResponse),
-	   ASN1_EXP_SEQUENCE_OF_OPT(ResponseData, responseExtensions, X509_EXTENSION, 1)
+           ASN1_EXP_OPT(ResponseData, version, ASN1_INTEGER, 0),
+           ASN1_SIMPLE(ResponseData, responderID, ResponderID),
+           ASN1_SIMPLE(ResponseData, producedAt, ASN1_GENERALIZEDTIME),
+           ASN1_SEQUENCE_OF(ResponseData, responses, SingleResponse),
+           ASN1_EXP_SEQUENCE_OF_OPT(ResponseData, responseExtensions, X509_EXTENSION, 1)
 } ASN1_SEQUENCE_END(ResponseData);
 
 ASN1_SEQUENCE(BasicOCSPResponse) = {
-	   ASN1_SIMPLE(BasicOCSPResponse, tbsResponseData, ResponseData),
-	   ASN1_SIMPLE(BasicOCSPResponse, signatureAlgorithm, X509_ALGOR),
-	   ASN1_SIMPLE(BasicOCSPResponse, signature, ASN1_BIT_STRING),
-	   ASN1_EXP_SEQUENCE_OF_OPT(BasicOCSPResponse, certs, X509, 0)
+           ASN1_SIMPLE(BasicOCSPResponse, tbsResponseData, ResponseData),
+           ASN1_SIMPLE(BasicOCSPResponse, signatureAlgorithm, X509_ALGOR),
+           ASN1_SIMPLE(BasicOCSPResponse, signature, ASN1_BIT_STRING),
+           ASN1_EXP_SEQUENCE_OF_OPT(BasicOCSPResponse, certs, X509, 0)
 } ASN1_SEQUENCE_END(BasicOCSPResponse);
-
diff --git a/openssl/demos/b64.c b/openssl/demos/b64.c
index efdd44457..d8ed2a6a0 100644
--- a/openssl/demos/b64.c
+++ b/openssl/demos/b64.c
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -71,198 +71,185 @@
 #undef BSIZE
 #undef PROG
 
-#define SIZE	(512)
-#define BSIZE	(8*1024)
-#define	PROG	enc_main
+#define SIZE    (512)
+#define BSIZE   (8*1024)
+#define PROG    enc_main
 
-int main(argc,argv)
+int main(argc, argv)
 int argc;
 char **argv;
-	{
-	char *strbuf=NULL;
-	unsigned char *buff=NULL,*bufsize=NULL;
-	int bsize=BSIZE,verbose=0;
-	int ret=1,inl;
-	char *str=NULL;
-	char *hkey=NULL,*hiv=NULL;
-	int enc=1,printkey=0,i,base64=0;
-	int debug=0;
-	EVP_CIPHER *cipher=NULL,*c;
-	char *inf=NULL,*outf=NULL;
-	BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
+{
+    char *strbuf = NULL;
+    unsigned char *buff = NULL, *bufsize = NULL;
+    int bsize = BSIZE, verbose = 0;
+    int ret = 1, inl;
+    char *str = NULL;
+    char *hkey = NULL, *hiv = NULL;
+    int enc = 1, printkey = 0, i, base64 = 0;
+    int debug = 0;
+    EVP_CIPHER *cipher = NULL, *c;
+    char *inf = NULL, *outf = NULL;
+    BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio =
+        NULL, *wbio = NULL;
 #define PROG_NAME_SIZE  39
 
-
-	apps_startup();
-
-	if (bio_err == NULL)
-		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
-
-	base64=1;
-
-	argc--;
-	argv++;
-	while (argc >= 1)
-		{
-		if	(strcmp(*argv,"-e") == 0)
-			enc=1;
-		if (strcmp(*argv,"-in") == 0)
-			{
-			if (--argc < 1) goto bad;
-			inf= *(++argv);
-			}
-		else if (strcmp(*argv,"-out") == 0)
-			{
-			if (--argc < 1) goto bad;
-			outf= *(++argv);
-			}
-		else if	(strcmp(*argv,"-d") == 0)
-			enc=0;
-		else if	(strcmp(*argv,"-v") == 0)
-			verbose=1;
-		else if	(strcmp(*argv,"-debug") == 0)
-			debug=1;
-		else if (strcmp(*argv,"-bufsize") == 0)
-			{
-			if (--argc < 1) goto bad;
-			bufsize=(unsigned char *)*(++argv);
-			}
-		else
-			{
-			BIO_printf(bio_err,"unknown option '%s'\n",*argv);
-bad:
-			BIO_printf(bio_err,"options are\n");
-			BIO_printf(bio_err,"%-14s input file\n","-in <file>");
-			BIO_printf(bio_err,"%-14s output file\n","-out <file>");
-			BIO_printf(bio_err,"%-14s encode\n","-e");
-			BIO_printf(bio_err,"%-14s decode\n","-d");
-			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
-
-			goto end;
-			}
-		argc--;
-		argv++;
-		}
-
-	if (bufsize != NULL)
-		{
-		int i;
-		unsigned long n;
-
-		for (n=0; *bufsize; bufsize++)
-			{
-			i= *bufsize;
-			if ((i <= '9') && (i >= '0'))
-				n=n*10+i-'0';
-			else if (i == 'k')
-				{
-				n*=1024;
-				bufsize++;
-				break;
-				}
-			}
-		if (*bufsize != '\0')
-			{
-			BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
-			goto end;
-			}
-
-		/* It must be large enough for a base64 encoded line */
-		if (n < 80) n=80;
-
-		bsize=(int)n;
-		if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
-		}
-
-	strbuf=OPENSSL_malloc(SIZE);
-	buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize));
-	if ((buff == NULL) || (strbuf == NULL))
-		{
-		BIO_printf(bio_err,"OPENSSL_malloc failure\n");
-		goto end;
-		}
-
-	in=BIO_new(BIO_s_file());
-	out=BIO_new(BIO_s_file());
-	if ((in == NULL) || (out == NULL))
-		{
-		ERR_print_errors(bio_err);
-		goto end;
-		}
-	if (debug)
-		{
-		BIO_set_callback(in,BIO_debug_callback);
-		BIO_set_callback(out,BIO_debug_callback);
-		BIO_set_callback_arg(in,bio_err);
-		BIO_set_callback_arg(out,bio_err);
-		}
-
-	if (inf == NULL)
-		BIO_set_fp(in,stdin,BIO_NOCLOSE);
-	else
-		{
-		if (BIO_read_filename(in,inf) <= 0)
-			{
-			perror(inf);
-			goto end;
-			}
-		}
-
-	if (outf == NULL)
-		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-	else
-		{
-		if (BIO_write_filename(out,outf) <= 0)
-			{
-			perror(outf);
-			goto end;
-			}
-		}
-
-	rbio=in;
-	wbio=out;
-
-	if (base64)
-		{
-		if ((b64=BIO_new(BIO_f_base64())) == NULL)
-			goto end;
-		if (debug)
-			{
-			BIO_set_callback(b64,BIO_debug_callback);
-			BIO_set_callback_arg(b64,bio_err);
-			}
-		if (enc)
-			wbio=BIO_push(b64,wbio);
-		else
-			rbio=BIO_push(b64,rbio);
-		}
-
-	for (;;)
-		{
-		inl=BIO_read(rbio,(char *)buff,bsize);
-		if (inl <= 0) break;
-		if (BIO_write(wbio,(char *)buff,inl) != inl)
-			{
-			BIO_printf(bio_err,"error writing output file\n");
-			goto end;
-			}
-		}
-	BIO_flush(wbio);
-
-	ret=0;
-	if (verbose)
-		{
-		BIO_printf(bio_err,"bytes read   :%8ld\n",BIO_number_read(in));
-		BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
-		}
-end:
-	if (strbuf != NULL) OPENSSL_free(strbuf);
-	if (buff != NULL) OPENSSL_free(buff);
-	if (in != NULL) BIO_free(in);
-	if (out != NULL) BIO_free(out);
-	if (benc != NULL) BIO_free(benc);
-	if (b64 != NULL) BIO_free(b64);
-	EXIT(ret);
-	}
-
+    apps_startup();
+
+    if (bio_err == NULL)
+        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE);
+
+    base64 = 1;
+
+    argc--;
+    argv++;
+    while (argc >= 1) {
+        if (strcmp(*argv, "-e") == 0)
+            enc = 1;
+        if (strcmp(*argv, "-in") == 0) {
+            if (--argc < 1)
+                goto bad;
+            inf = *(++argv);
+        } else if (strcmp(*argv, "-out") == 0) {
+            if (--argc < 1)
+                goto bad;
+            outf = *(++argv);
+        } else if (strcmp(*argv, "-d") == 0)
+            enc = 0;
+        else if (strcmp(*argv, "-v") == 0)
+            verbose = 1;
+        else if (strcmp(*argv, "-debug") == 0)
+            debug = 1;
+        else if (strcmp(*argv, "-bufsize") == 0) {
+            if (--argc < 1)
+                goto bad;
+            bufsize = (unsigned char *)*(++argv);
+        } else {
+            BIO_printf(bio_err, "unknown option '%s'\n", *argv);
+ bad:
+            BIO_printf(bio_err, "options are\n");
+            BIO_printf(bio_err, "%-14s input file\n", "-in <file>");
+            BIO_printf(bio_err, "%-14s output file\n", "-out <file>");
+            BIO_printf(bio_err, "%-14s encode\n", "-e");
+            BIO_printf(bio_err, "%-14s decode\n", "-d");
+            BIO_printf(bio_err, "%-14s buffer size\n", "-bufsize <n>");
+
+            goto end;
+        }
+        argc--;
+        argv++;
+    }
+
+    if (bufsize != NULL) {
+        int i;
+        unsigned long n;
+
+        for (n = 0; *bufsize; bufsize++) {
+            i = *bufsize;
+            if ((i <= '9') && (i >= '0'))
+                n = n * 10 + i - '0';
+            else if (i == 'k') {
+                n *= 1024;
+                bufsize++;
+                break;
+            }
+        }
+        if (*bufsize != '\0') {
+            BIO_printf(bio_err, "invalid 'bufsize' specified.\n");
+            goto end;
+        }
+
+        /* It must be large enough for a base64 encoded line */
+        if (n < 80)
+            n = 80;
+
+        bsize = (int)n;
+        if (verbose)
+            BIO_printf(bio_err, "bufsize=%d\n", bsize);
+    }
+
+    strbuf = OPENSSL_malloc(SIZE);
+    buff = (unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize));
+    if ((buff == NULL) || (strbuf == NULL)) {
+        BIO_printf(bio_err, "OPENSSL_malloc failure\n");
+        goto end;
+    }
+
+    in = BIO_new(BIO_s_file());
+    out = BIO_new(BIO_s_file());
+    if ((in == NULL) || (out == NULL)) {
+        ERR_print_errors(bio_err);
+        goto end;
+    }
+    if (debug) {
+        BIO_set_callback(in, BIO_debug_callback);
+        BIO_set_callback(out, BIO_debug_callback);
+        BIO_set_callback_arg(in, bio_err);
+        BIO_set_callback_arg(out, bio_err);
+    }
+
+    if (inf == NULL)
+        BIO_set_fp(in, stdin, BIO_NOCLOSE);
+    else {
+        if (BIO_read_filename(in, inf) <= 0) {
+            perror(inf);
+            goto end;
+        }
+    }
+
+    if (outf == NULL)
+        BIO_set_fp(out, stdout, BIO_NOCLOSE);
+    else {
+        if (BIO_write_filename(out, outf) <= 0) {
+            perror(outf);
+            goto end;
+        }
+    }
+
+    rbio = in;
+    wbio = out;
+
+    if (base64) {
+        if ((b64 = BIO_new(BIO_f_base64())) == NULL)
+            goto end;
+        if (debug) {
+            BIO_set_callback(b64, BIO_debug_callback);
+            BIO_set_callback_arg(b64, bio_err);
+        }
+        if (enc)
+            wbio = BIO_push(b64, wbio);
+        else
+            rbio = BIO_push(b64, rbio);
+    }
+
+    for (;;) {
+        inl = BIO_read(rbio, (char *)buff, bsize);
+        if (inl <= 0)
+            break;
+        if (BIO_write(wbio, (char *)buff, inl) != inl) {
+            BIO_printf(bio_err, "error writing output file\n");
+            goto end;
+        }
+    }
+    BIO_flush(wbio);
+
+    ret = 0;
+    if (verbose) {
+        BIO_printf(bio_err, "bytes read   :%8ld\n", BIO_number_read(in));
+        BIO_printf(bio_err, "bytes written:%8ld\n", BIO_number_written(out));
+    }
+ end:
+    if (strbuf != NULL)
+        OPENSSL_free(strbuf);
+    if (buff != NULL)
+        OPENSSL_free(buff);
+    if (in != NULL)
+        BIO_free(in);
+    if (out != NULL)
+        BIO_free(out);
+    if (benc != NULL)
+        BIO_free(benc);
+    if (b64 != NULL)
+        BIO_free(b64);
+    EXIT(ret);
+}
diff --git a/openssl/demos/bio/saccept.c b/openssl/demos/bio/saccept.c
index 40cd4daad..8d02610cb 100644
--- a/openssl/demos/bio/saccept.c
+++ b/openssl/demos/bio/saccept.c
@@ -1,7 +1,8 @@
 /* NOCW */
 /* demos/bio/saccept.c */
 
-/* A minimal program to server an SSL connection.
+/*-
+ * A minimal program to server an SSL connection.
  * It uses blocking.
  * saccept host:port
  * host is the interface IP to use.  If any interface, use *:port
@@ -15,98 +16,102 @@
 #include <openssl/err.h>
 #include <openssl/ssl.h>
 
-#define CERT_FILE	"server.pem"
+#define CERT_FILE       "server.pem"
 
-BIO *in=NULL;
+BIO *in = NULL;
 
 void close_up()
-	{
-	if (in != NULL)
-		BIO_free(in);
-	}
+{
+    if (in != NULL)
+        BIO_free(in);
+}
 
-int main(argc,argv)
+int main(argc, argv)
 int argc;
 char *argv[];
-	{
-	char *port=NULL;
-	BIO *ssl_bio,*tmp;
-	SSL_CTX *ctx;
-	SSL *ssl;
-	char buf[512];
-	int ret=1,i;
+{
+    char *port = NULL;
+    BIO *ssl_bio, *tmp;
+    SSL_CTX *ctx;
+    SSL *ssl;
+    char buf[512];
+    int ret = 1, i;
 
-        if (argc <= 1)
-		port="*:4433";
-	else
-		port=argv[1];
+    if (argc <= 1)
+        port = "*:4433";
+    else
+        port = argv[1];
 
-	signal(SIGINT,close_up);
+    signal(SIGINT, close_up);
 
-	SSL_load_error_strings();
+    SSL_load_error_strings();
 
 #ifdef WATT32
-	dbug_init();
-	sock_init();
+    dbug_init();
+    sock_init();
 #endif
 
-	/* Add ciphers and message digests */
-	OpenSSL_add_ssl_algorithms();
-
-	ctx=SSL_CTX_new(SSLv23_server_method());
-	if (!SSL_CTX_use_certificate_file(ctx,CERT_FILE,SSL_FILETYPE_PEM))
-		goto err;
-	if (!SSL_CTX_use_PrivateKey_file(ctx,CERT_FILE,SSL_FILETYPE_PEM))
-		goto err;
-	if (!SSL_CTX_check_private_key(ctx))
-		goto err;
-
-	/* Setup server side SSL bio */
-	ssl=SSL_new(ctx);
-	ssl_bio=BIO_new_ssl(ctx,0);
-
-	if ((in=BIO_new_accept(port)) == NULL) goto err;
-
-	/* This means that when a new connection is acceptede on 'in',
-	 * The ssl_bio will be 'dupilcated' and have the new socket
-	 * BIO push into it.  Basically it means the SSL BIO will be
-	 * automatically setup */
-	BIO_set_accept_bios(in,ssl_bio);
-
-again:
-	/* The first call will setup the accept socket, and the second
-	 * will get a socket.  In this loop, the first actual accept
-	 * will occur in the BIO_read() function. */
-
-	if (BIO_do_accept(in) <= 0) goto err;
-
-	for (;;)
-		{
-		i=BIO_read(in,buf,512);
-		if (i == 0)
-			{
-			/* If we have finished, remove the underlying
-			 * BIO stack so the next time we call any function
-			 * for this BIO, it will attempt to do an
-			 * accept */
-			printf("Done\n");
-			tmp=BIO_pop(in);
-			BIO_free_all(tmp);
-			goto again;
-			}
-		if (i < 0) goto err;
-		fwrite(buf,1,i,stdout);
-		fflush(stdout);
-		}
-
-	ret=0;
-err:
-	if (ret)
-		{
-		ERR_print_errors_fp(stderr);
-		}
-	if (in != NULL) BIO_free(in);
-	exit(ret);
-	return(!ret);
-	}
-
+    /* Add ciphers and message digests */
+    OpenSSL_add_ssl_algorithms();
+
+    ctx = SSL_CTX_new(SSLv23_server_method());
+    if (!SSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM))
+        goto err;
+    if (!SSL_CTX_use_PrivateKey_file(ctx, CERT_FILE, SSL_FILETYPE_PEM))
+        goto err;
+    if (!SSL_CTX_check_private_key(ctx))
+        goto err;
+
+    /* Setup server side SSL bio */
+    ssl = SSL_new(ctx);
+    ssl_bio = BIO_new_ssl(ctx, 0);
+
+    if ((in = BIO_new_accept(port)) == NULL)
+        goto err;
+
+    /*
+     * This means that when a new connection is acceptede on 'in', The
+     * ssl_bio will be 'dupilcated' and have the new socket BIO push into it.
+     * Basically it means the SSL BIO will be automatically setup
+     */
+    BIO_set_accept_bios(in, ssl_bio);
+
+ again:
+    /*
+     * The first call will setup the accept socket, and the second will get a
+     * socket.  In this loop, the first actual accept will occur in the
+     * BIO_read() function.
+     */
+
+    if (BIO_do_accept(in) <= 0)
+        goto err;
+
+    for (;;) {
+        i = BIO_read(in, buf, 512);
+        if (i == 0) {
+            /*
+             * If we have finished, remove the underlying BIO stack so the
+             * next time we call any function for this BIO, it will attempt
+             * to do an accept
+             */
+            printf("Done\n");
+            tmp = BIO_pop(in);
+            BIO_free_all(tmp);
+            goto again;
+        }
+        if (i < 0)
+            goto err;
+        fwrite(buf, 1, i, stdout);
+        fflush(stdout);
+    }
+
+    ret = 0;
+ err:
+    if (ret) {
+        ERR_print_errors_fp(stderr);
+    }
+    if (in != NULL)
+        BIO_free(in);
+    exit(ret);
+    return (!ret);
+}
diff --git a/openssl/demos/bio/sconnect.c b/openssl/demos/bio/sconnect.c
index 880344eb7..e6eddb1c0 100644
--- a/openssl/demos/bio/sconnect.c
+++ b/openssl/demos/bio/sconnect.c
@@ -1,7 +1,8 @@
 /* NOCW */
 /* demos/bio/sconnect.c */
 
-/* A minimal program to do SSL to a passed host and port.
+/*-
+ * A minimal program to do SSL to a passed host and port.
  * It is actually using non-blocking IO but in a very simple manner
  * sconnect host:port - it does a 'GET / HTTP/1.0'
  *
@@ -15,107 +16,98 @@
 
 extern int errno;
 
-int main(argc,argv)
+int main(argc, argv)
 int argc;
 char *argv[];
-	{
-	char *host;
-	BIO *out;
-	char buf[1024*10],*p;
-	SSL_CTX *ssl_ctx=NULL;
-	SSL *ssl;
-	BIO *ssl_bio;
-	int i,len,off,ret=1;
-
-	if (argc <= 1)
-		host="localhost:4433";
-	else
-		host=argv[1];
+{
+    char *host;
+    BIO *out;
+    char buf[1024 * 10], *p;
+    SSL_CTX *ssl_ctx = NULL;
+    SSL *ssl;
+    BIO *ssl_bio;
+    int i, len, off, ret = 1;
+
+    if (argc <= 1)
+        host = "localhost:4433";
+    else
+        host = argv[1];
 
 #ifdef WATT32
-	dbug_init();
-	sock_init();
+    dbug_init();
+    sock_init();
 #endif
 
-	/* Lets get nice error messages */
-	SSL_load_error_strings();
-
-	/* Setup all the global SSL stuff */
-	OpenSSL_add_ssl_algorithms();
-	ssl_ctx=SSL_CTX_new(SSLv23_client_method());
-
-	/* Lets make a SSL structure */
-	ssl=SSL_new(ssl_ctx);
-	SSL_set_connect_state(ssl);
-
-	/* Use it inside an SSL BIO */
-	ssl_bio=BIO_new(BIO_f_ssl());
-	BIO_set_ssl(ssl_bio,ssl,BIO_CLOSE);
-
-	/* Lets use a connect BIO under the SSL BIO */
-	out=BIO_new(BIO_s_connect());
-	BIO_set_conn_hostname(out,host);
-	BIO_set_nbio(out,1);
-	out=BIO_push(ssl_bio,out);
-
-	p="GET / HTTP/1.0\r\n\r\n";
-	len=strlen(p);
-
-	off=0;
-	for (;;)
-		{
-		i=BIO_write(out,&(p[off]),len);
-		if (i <= 0)
-			{
-			if (BIO_should_retry(out))
-				{
-				fprintf(stderr,"write DELAY\n");
-				sleep(1);
-				continue;
-				}
-			else
-				{
-				goto err;
-				}
-			}
-		off+=i;
-		len-=i;
-		if (len <= 0) break;
-		}
-
-	for (;;)
-		{
-		i=BIO_read(out,buf,sizeof(buf));
-		if (i == 0) break;
-		if (i < 0)
-			{
-			if (BIO_should_retry(out))
-				{
-				fprintf(stderr,"read DELAY\n");
-				sleep(1);
-				continue;
-				}
-			goto err;
-			}
-		fwrite(buf,1,i,stdout);
-		}
-
-	ret=1;
-
-	if (0)
-		{
-err:
-		if (ERR_peek_error() == 0) /* system call error */
-			{
-			fprintf(stderr,"errno=%d ",errno);
-			perror("error");
-			}
-		else
-			ERR_print_errors_fp(stderr);
-		}
-	BIO_free_all(out);
-	if (ssl_ctx != NULL) SSL_CTX_free(ssl_ctx);
-	exit(!ret);
-	return(ret);
-	}
-
+    /* Lets get nice error messages */
+    SSL_load_error_strings();
+
+    /* Setup all the global SSL stuff */
+    OpenSSL_add_ssl_algorithms();
+    ssl_ctx = SSL_CTX_new(SSLv23_client_method());
+
+    /* Lets make a SSL structure */
+    ssl = SSL_new(ssl_ctx);
+    SSL_set_connect_state(ssl);
+
+    /* Use it inside an SSL BIO */
+    ssl_bio = BIO_new(BIO_f_ssl());
+    BIO_set_ssl(ssl_bio, ssl, BIO_CLOSE);
+
+    /* Lets use a connect BIO under the SSL BIO */
+    out = BIO_new(BIO_s_connect());
+    BIO_set_conn_hostname(out, host);
+    BIO_set_nbio(out, 1);
+    out = BIO_push(ssl_bio, out);
+
+    p = "GET / HTTP/1.0\r\n\r\n";
+    len = strlen(p);
+
+    off = 0;
+    for (;;) {
+        i = BIO_write(out, &(p[off]), len);
+        if (i <= 0) {
+            if (BIO_should_retry(out)) {
+                fprintf(stderr, "write DELAY\n");
+                sleep(1);
+                continue;
+            } else {
+                goto err;
+            }
+        }
+        off += i;
+        len -= i;
+        if (len <= 0)
+            break;
+    }
+
+    for (;;) {
+        i = BIO_read(out, buf, sizeof(buf));
+        if (i == 0)
+            break;
+        if (i < 0) {
+            if (BIO_should_retry(out)) {
+                fprintf(stderr, "read DELAY\n");
+                sleep(1);
+                continue;
+            }
+            goto err;
+        }
+        fwrite(buf, 1, i, stdout);
+    }
+
+    ret = 1;
+
+    if (0) {
+ err:
+        if (ERR_peek_error() == 0) { /* system call error */
+            fprintf(stderr, "errno=%d ", errno);
+            perror("error");
+        } else
+            ERR_print_errors_fp(stderr);
+    }
+    BIO_free_all(out);
+    if (ssl_ctx != NULL)
+        SSL_CTX_free(ssl_ctx);
+    exit(!ret);
+    return (ret);
+}
diff --git a/openssl/demos/cms/cms_comp.c b/openssl/demos/cms/cms_comp.c
index 01bf09254..059152fe0 100644
--- a/openssl/demos/cms/cms_comp.c
+++ b/openssl/demos/cms/cms_comp.c
@@ -4,58 +4,57 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	/*
-	 * On OpenSSL 1.0.0+ only:
-	 * for streaming set CMS_STREAM
-	 */
-	int flags = CMS_STREAM;
+    /*
+     * On OpenSSL 1.0.0+ only:
+     * for streaming set CMS_STREAM
+     */
+    int flags = CMS_STREAM;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Open content being compressed */
+    /* Open content being compressed */
 
-	in = BIO_new_file("comp.txt", "r");
+    in = BIO_new_file("comp.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* compress content */
-	cms = CMS_compress(in, NID_zlib_compression, flags);
+    /* compress content */
+    cms = CMS_compress(in, NID_zlib_compression, flags);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	out = BIO_new_file("smcomp.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smcomp.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Write out S/MIME message */
-	if (!SMIME_write_CMS(out, cms, in, flags))
-		goto err;
+    /* Write out S/MIME message */
+    if (!SMIME_write_CMS(out, cms, in, flags))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Compressing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Compressing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
+    if (cms)
+        CMS_ContentInfo_free(cms);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_ddec.c b/openssl/demos/cms/cms_ddec.c
index ba68cfdf7..37ac97fd0 100644
--- a/openssl/demos/cms/cms_ddec.c
+++ b/openssl/demos/cms/cms_ddec.c
@@ -1,89 +1,89 @@
-/* S/MIME detached data decrypt example: rarely done but
- * should the need arise this is an example....
+/*
+ * S/MIME detached data decrypt example: rarely done but should the need
+ * arise this is an example....
  */
 #include <openssl/pem.h>
 #include <openssl/cms.h>
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL, *dcont = NULL;
-	X509 *rcert = NULL;
-	EVP_PKEY *rkey = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL, *dcont = NULL;
+    X509 *rcert = NULL;
+    EVP_PKEY *rkey = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in recipient certificate and private key */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in recipient certificate and private key */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!rcert || !rkey)
-		goto err;
+    if (!rcert || !rkey)
+        goto err;
 
-	/* Open PEM file containing enveloped data */
+    /* Open PEM file containing enveloped data */
 
-	in = BIO_new_file("smencr.pem", "r");
+    in = BIO_new_file("smencr.pem", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Parse PEM content */
-	cms = PEM_read_bio_CMS(in, NULL, 0, NULL);
+    /* Parse PEM content */
+    cms = PEM_read_bio_CMS(in, NULL, 0, NULL);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	/* Open file containing detached content */
-	dcont = BIO_new_file("smencr.out", "rb");
+    /* Open file containing detached content */
+    dcont = BIO_new_file("smencr.out", "rb");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	out = BIO_new_file("encrout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("encrout.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Decrypt S/MIME message */
-	if (!CMS_decrypt(cms, rkey, rcert, dcont, out, 0))
-		goto err;
+    /* Decrypt S/MIME message */
+    if (!CMS_decrypt(cms, rkey, rcert, dcont, out, 0))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Decrypting Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Decrypting Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
-	if (rcert)
-		X509_free(rcert);
-	if (rkey)
-		EVP_PKEY_free(rkey);
+    if (cms)
+        CMS_ContentInfo_free(cms);
+    if (rcert)
+        X509_free(rcert);
+    if (rkey)
+        EVP_PKEY_free(rkey);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
-	if (dcont)
-		BIO_free(dcont);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
+    if (dcont)
+        BIO_free(dcont);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_dec.c b/openssl/demos/cms/cms_dec.c
index 9fee0a3eb..3291eacab 100644
--- a/openssl/demos/cms/cms_dec.c
+++ b/openssl/demos/cms/cms_dec.c
@@ -4,76 +4,75 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *rcert = NULL;
-	EVP_PKEY *rkey = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *rcert = NULL;
+    EVP_PKEY *rkey = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in recipient certificate and private key */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in recipient certificate and private key */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!rcert || !rkey)
-		goto err;
+    if (!rcert || !rkey)
+        goto err;
 
-	/* Open S/MIME message to decrypt */
+    /* Open S/MIME message to decrypt */
 
-	in = BIO_new_file("smencr.txt", "r");
+    in = BIO_new_file("smencr.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Parse message */
-	cms = SMIME_read_CMS(in, NULL);
+    /* Parse message */
+    cms = SMIME_read_CMS(in, NULL);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	out = BIO_new_file("decout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("decout.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Decrypt S/MIME message */
-	if (!CMS_decrypt(cms, rkey, rcert, NULL, out, 0))
-		goto err;
+    /* Decrypt S/MIME message */
+    if (!CMS_decrypt(cms, rkey, rcert, NULL, out, 0))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Decrypting Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Decrypting Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
-	if (rcert)
-		X509_free(rcert);
-	if (rkey)
-		EVP_PKEY_free(rkey);
+    if (cms)
+        CMS_ContentInfo_free(cms);
+    if (rcert)
+        X509_free(rcert);
+    if (rkey)
+        EVP_PKEY_free(rkey);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_denc.c b/openssl/demos/cms/cms_denc.c
index 9265e47bf..c86a5fd72 100644
--- a/openssl/demos/cms/cms_denc.c
+++ b/openssl/demos/cms/cms_denc.c
@@ -1,97 +1,98 @@
-/* S/MIME detached data encrypt example: rarely done but
- * should the need arise this is an example....
+/*
+ * S/MIME detached data encrypt example: rarely done but should the need
+ * arise this is an example....
  */
 #include <openssl/pem.h>
 #include <openssl/cms.h>
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL, *dout = NULL;
-	X509 *rcert = NULL;
-	STACK_OF(X509) *recips = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL, *dout = NULL;
+    X509 *rcert = NULL;
+    STACK_OF(X509) *recips = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	int flags = CMS_STREAM|CMS_DETACHED;
+    int flags = CMS_STREAM | CMS_DETACHED;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in recipient certificate */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in recipient certificate */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	if (!rcert)
-		goto err;
+    if (!rcert)
+        goto err;
 
-	/* Create recipient STACK and add recipient cert to it */
-	recips = sk_X509_new_null();
+    /* Create recipient STACK and add recipient cert to it */
+    recips = sk_X509_new_null();
 
-	if (!recips || !sk_X509_push(recips, rcert))
-		goto err;
+    if (!recips || !sk_X509_push(recips, rcert))
+        goto err;
 
-	/* sk_X509_pop_free will free up recipient STACK and its contents
-	 * so set rcert to NULL so it isn't freed up twice.
-	 */
-	rcert = NULL;
+    /*
+     * sk_X509_pop_free will free up recipient STACK and its contents so set
+     * rcert to NULL so it isn't freed up twice.
+     */
+    rcert = NULL;
 
-	/* Open content being encrypted */
+    /* Open content being encrypted */
 
-	in = BIO_new_file("encr.txt", "r");
+    in = BIO_new_file("encr.txt", "r");
 
-	dout = BIO_new_file("smencr.out", "wb");
+    dout = BIO_new_file("smencr.out", "wb");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* encrypt content */
-	cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
+    /* encrypt content */
+    cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	out = BIO_new_file("smencr.pem", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smencr.pem", "w");
+    if (!out)
+        goto err;
 
-	if (!CMS_final(cms, in, dout, flags))
-		goto err;
+    if (!CMS_final(cms, in, dout, flags))
+        goto err;
 
-	/* Write out CMS structure without content */
-	if (!PEM_write_bio_CMS(out, cms))
-		goto err;
+    /* Write out CMS structure without content */
+    if (!PEM_write_bio_CMS(out, cms))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Encrypting Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Encrypting Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
-	if (rcert)
-		X509_free(rcert);
-	if (recips)
-		sk_X509_pop_free(recips, X509_free);
+    if (cms)
+        CMS_ContentInfo_free(cms);
+    if (rcert)
+        X509_free(rcert);
+    if (recips)
+        sk_X509_pop_free(recips, X509_free);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (dout)
-		BIO_free(dout);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (dout)
+        BIO_free(dout);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_enc.c b/openssl/demos/cms/cms_enc.c
index 916b479d3..e8ecb48e2 100644
--- a/openssl/demos/cms/cms_enc.c
+++ b/openssl/demos/cms/cms_enc.c
@@ -4,89 +4,89 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *rcert = NULL;
-	STACK_OF(X509) *recips = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *rcert = NULL;
+    STACK_OF(X509) *recips = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	/*
-	 * On OpenSSL 1.0.0 and later only:
-	 * for streaming set CMS_STREAM
-	 */
-	int flags = CMS_STREAM;
+    /*
+     * On OpenSSL 1.0.0 and later only:
+     * for streaming set CMS_STREAM
+     */
+    int flags = CMS_STREAM;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in recipient certificate */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in recipient certificate */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	if (!rcert)
-		goto err;
+    if (!rcert)
+        goto err;
 
-	/* Create recipient STACK and add recipient cert to it */
-	recips = sk_X509_new_null();
+    /* Create recipient STACK and add recipient cert to it */
+    recips = sk_X509_new_null();
 
-	if (!recips || !sk_X509_push(recips, rcert))
-		goto err;
+    if (!recips || !sk_X509_push(recips, rcert))
+        goto err;
 
-	/* sk_X509_pop_free will free up recipient STACK and its contents
-	 * so set rcert to NULL so it isn't freed up twice.
-	 */
-	rcert = NULL;
+    /*
+     * sk_X509_pop_free will free up recipient STACK and its contents so set
+     * rcert to NULL so it isn't freed up twice.
+     */
+    rcert = NULL;
 
-	/* Open content being encrypted */
+    /* Open content being encrypted */
 
-	in = BIO_new_file("encr.txt", "r");
+    in = BIO_new_file("encr.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* encrypt content */
-	cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
+    /* encrypt content */
+    cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	out = BIO_new_file("smencr.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smencr.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Write out S/MIME message */
-	if (!SMIME_write_CMS(out, cms, in, flags))
-		goto err;
+    /* Write out S/MIME message */
+    if (!SMIME_write_CMS(out, cms, in, flags))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Encrypting Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Encrypting Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
-	if (rcert)
-		X509_free(rcert);
-	if (recips)
-		sk_X509_pop_free(recips, X509_free);
+    if (cms)
+        CMS_ContentInfo_free(cms);
+    if (rcert)
+        X509_free(rcert);
+    if (recips)
+        sk_X509_pop_free(recips, X509_free);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_sign.c b/openssl/demos/cms/cms_sign.c
index 6823c34a0..4bf85d138 100644
--- a/openssl/demos/cms/cms_sign.c
+++ b/openssl/demos/cms/cms_sign.c
@@ -4,86 +4,85 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *scert = NULL;
-	EVP_PKEY *skey = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *scert = NULL;
+    EVP_PKEY *skey = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	/* For simple S/MIME signing use CMS_DETACHED.
-	 * On OpenSSL 1.0.0 only:
-	 * for streaming detached set CMS_DETACHED|CMS_STREAM
-	 * for streaming non-detached set CMS_STREAM
-	 */
-	int flags = CMS_DETACHED|CMS_STREAM;
+    /*
+     * For simple S/MIME signing use CMS_DETACHED. On OpenSSL 1.0.0 only: for
+     * streaming detached set CMS_DETACHED|CMS_STREAM for streaming
+     * non-detached set CMS_STREAM
+     */
+    int flags = CMS_DETACHED | CMS_STREAM;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in signer certificate and private key */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in signer certificate and private key */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!scert || !skey)
-		goto err;
+    if (!scert || !skey)
+        goto err;
 
-	/* Open content being signed */
+    /* Open content being signed */
 
-	in = BIO_new_file("sign.txt", "r");
+    in = BIO_new_file("sign.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Sign content */
-	cms = CMS_sign(scert, skey, NULL, in, flags);
+    /* Sign content */
+    cms = CMS_sign(scert, skey, NULL, in, flags);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	out = BIO_new_file("smout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smout.txt", "w");
+    if (!out)
+        goto err;
 
-	if (!(flags & CMS_STREAM))
-		BIO_reset(in);
+    if (!(flags & CMS_STREAM))
+        BIO_reset(in);
 
-	/* Write out S/MIME message */
-	if (!SMIME_write_CMS(out, cms, in, flags))
-		goto err;
+    /* Write out S/MIME message */
+    if (!SMIME_write_CMS(out, cms, in, flags))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Signing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Signing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
-	if (scert)
-		X509_free(scert);
-	if (skey)
-		EVP_PKEY_free(skey);
+    if (cms)
+        CMS_ContentInfo_free(cms);
+    if (scert)
+        X509_free(scert);
+    if (skey)
+        EVP_PKEY_free(skey);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_sign2.c b/openssl/demos/cms/cms_sign2.c
index 36adee730..7e98a5171 100644
--- a/openssl/demos/cms/cms_sign2.c
+++ b/openssl/demos/cms/cms_sign2.c
@@ -4,100 +4,99 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *scert = NULL, *scert2 = NULL;
-	EVP_PKEY *skey = NULL, *skey2 = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *scert = NULL, *scert2 = NULL;
+    EVP_PKEY *skey = NULL, *skey2 = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	tbio = BIO_new_file("signer.pem", "r");
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	BIO_free(tbio);
+    BIO_free(tbio);
 
-	tbio = BIO_new_file("signer2.pem", "r");
+    tbio = BIO_new_file("signer2.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	scert2 = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    scert2 = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	skey2 = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    skey2 = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!scert2 || !skey2)
-		goto err;
+    if (!scert2 || !skey2)
+        goto err;
 
-	in = BIO_new_file("sign.txt", "r");
+    in = BIO_new_file("sign.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	cms = CMS_sign(NULL, NULL, NULL, in, CMS_STREAM|CMS_PARTIAL);
+    cms = CMS_sign(NULL, NULL, NULL, in, CMS_STREAM | CMS_PARTIAL);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	/* Add each signer in turn */
+    /* Add each signer in turn */
 
-	if (!CMS_add1_signer(cms, scert, skey, NULL, 0))
-		goto err;
+    if (!CMS_add1_signer(cms, scert, skey, NULL, 0))
+        goto err;
 
-	if (!CMS_add1_signer(cms, scert2, skey2, NULL, 0))
-		goto err;
+    if (!CMS_add1_signer(cms, scert2, skey2, NULL, 0))
+        goto err;
 
-	out = BIO_new_file("smout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smout.txt", "w");
+    if (!out)
+        goto err;
 
-	/* NB: content included and finalized by SMIME_write_CMS */
+    /* NB: content included and finalized by SMIME_write_CMS */
 
-	if (!SMIME_write_CMS(out, cms, in, CMS_STREAM))
-		goto err;
+    if (!SMIME_write_CMS(out, cms, in, CMS_STREAM))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Signing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Signing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
+    if (cms)
+        CMS_ContentInfo_free(cms);
 
-	if (scert)
-		X509_free(scert);
-	if (skey)
-		EVP_PKEY_free(skey);
+    if (scert)
+        X509_free(scert);
+    if (skey)
+        EVP_PKEY_free(skey);
 
-	if (scert2)
-		X509_free(scert2);
-	if (skey)
-		EVP_PKEY_free(skey2);
+    if (scert2)
+        X509_free(scert2);
+    if (skey)
+        EVP_PKEY_free(skey2);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_uncomp.c b/openssl/demos/cms/cms_uncomp.c
index f15ae2f13..392f4b450 100644
--- a/openssl/demos/cms/cms_uncomp.c
+++ b/openssl/demos/cms/cms_uncomp.c
@@ -4,53 +4,52 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL;
-	CMS_ContentInfo *cms = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL;
+    CMS_ContentInfo *cms = NULL;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Open compressed content */
+    /* Open compressed content */
 
-	in = BIO_new_file("smcomp.txt", "r");
+    in = BIO_new_file("smcomp.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Sign content */
-	cms = SMIME_read_CMS(in, NULL);
+    /* Sign content */
+    cms = SMIME_read_CMS(in, NULL);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	out = BIO_new_file("smuncomp.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smuncomp.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Uncompress S/MIME message */
-	if (!CMS_uncompress(cms, out, NULL, 0))
-		goto err;
+    /* Uncompress S/MIME message */
+    if (!CMS_uncompress(cms, out, NULL, 0))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Uncompressing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Uncompressing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
+    if (cms)
+        CMS_ContentInfo_free(cms);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/cms/cms_ver.c b/openssl/demos/cms/cms_ver.c
index bf1145ed8..ca935517a 100644
--- a/openssl/demos/cms/cms_ver.c
+++ b/openssl/demos/cms/cms_ver.c
@@ -4,84 +4,82 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL, *cont = NULL;
-	X509_STORE *st = NULL;
-	X509 *cacert = NULL;
-	CMS_ContentInfo *cms = NULL;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL, *cont = NULL;
+    X509_STORE *st = NULL;
+    X509 *cacert = NULL;
+    CMS_ContentInfo *cms = NULL;
 
-	int ret = 1;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Set up trusted CA certificate store */
+    /* Set up trusted CA certificate store */
 
-	st = X509_STORE_new();
+    st = X509_STORE_new();
 
-	/* Read in CA certificate */
-	tbio = BIO_new_file("cacert.pem", "r");
+    /* Read in CA certificate */
+    tbio = BIO_new_file("cacert.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	cacert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    cacert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	if (!cacert)
-		goto err;
+    if (!cacert)
+        goto err;
 
-	if (!X509_STORE_add_cert(st, cacert))
-		goto err;
+    if (!X509_STORE_add_cert(st, cacert))
+        goto err;
 
-	/* Open message being verified */
+    /* Open message being verified */
 
-	in = BIO_new_file("smout.txt", "r");
+    in = BIO_new_file("smout.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* parse message */
-	cms = SMIME_read_CMS(in, &cont);
+    /* parse message */
+    cms = SMIME_read_CMS(in, &cont);
 
-	if (!cms)
-		goto err;
+    if (!cms)
+        goto err;
 
-	/* File to output verified content to */
-	out = BIO_new_file("smver.txt", "w");
-	if (!out)
-		goto err;
+    /* File to output verified content to */
+    out = BIO_new_file("smver.txt", "w");
+    if (!out)
+        goto err;
 
-	if (!CMS_verify(cms, NULL, st, cont, out, 0))
-		{
-		fprintf(stderr, "Verification Failure\n");
-		goto err;
-		}
+    if (!CMS_verify(cms, NULL, st, cont, out, 0)) {
+        fprintf(stderr, "Verification Failure\n");
+        goto err;
+    }
 
-	fprintf(stderr, "Verification Successful\n");
+    fprintf(stderr, "Verification Successful\n");
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Verifying Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Verifying Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (cms)
-		CMS_ContentInfo_free(cms);
+    if (cms)
+        CMS_ContentInfo_free(cms);
 
-	if (cacert)
-		X509_free(cacert);
+    if (cacert)
+        X509_free(cacert);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/easy_tls/easy-tls.c b/openssl/demos/easy_tls/easy-tls.c
index 9cd8314c3..acc688aaf 100644
--- a/openssl/demos/easy_tls/easy-tls.c
+++ b/openssl/demos/easy_tls/easy-tls.c
@@ -1,9 +1,9 @@
 /* -*- Mode: C; c-file-style: "bsd" -*- */
-/*
+/*-
  * easy-tls.c -- generic TLS proxy.
  * $Id: easy-tls.c,v 1.4 2002/03/05 09:07:16 bodo Exp $
  */
-/*
+/*-
  (c) Copyright 1999 Bodo Moeller.  All rights reserved.
 
  This is free software; you can redistributed and/or modify it
@@ -14,17 +14,17 @@
  or
    -  the following license:
 */
-/*
+/*-
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that each of the following
  * conditions is met:
  *
  * 1. Redistributions qualify as "freeware" or "Open Source Software" under
  *    one of the following terms:
- * 
+ *
  *    (a) Redistributions are made at no charge beyond the reasonable cost of
  *        materials and delivery.
- * 
+ *
  *    (b) Redistributions are accompanied by a copy of the Source Code
  *        or by an irrevocable offer to provide a copy of the Source Code
  *        for up to three years at the cost of materials and delivery.
@@ -33,7 +33,7 @@
  *        terms as this license.
  *
  * 2. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 3. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -62,7 +62,7 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-/*
+/*-
  * Attribution for OpenSSL library:
  *
  * This product includes cryptographic software written by Eric Young
@@ -73,7 +73,7 @@
  */
 
 static char const rcsid[] =
-"$Id: easy-tls.c,v 1.4 2002/03/05 09:07:16 bodo Exp $";
+    "$Id: easy-tls.c,v 1.4 2002/03/05 09:07:16 bodo Exp $";
 
 #include <assert.h>
 #include <errno.h>
@@ -99,7 +99,7 @@ static char const rcsid[] =
 #include <openssl/pem.h>
 #include <openssl/rand.h>
 #ifndef NO_RSA
- #include <openssl/rsa.h>
+# include <openssl/rsa.h>
 #endif
 #include <openssl/ssl.h>
 #include <openssl/x509.h>
@@ -109,11 +109,12 @@ static char const rcsid[] =
 # error "This program needs OpenSSL 0.9.4 or later."
 #endif
 
-#include "easy-tls.h" /* include after <openssl/ssl.h> if both are needed */
+#include "easy-tls.h"           /* include after <openssl/ssl.h> if both are
+                                 * needed */
 
 #if TLS_INFO_SIZE > PIPE_BUF
 # if PIPE_BUF < 512
-#  error "PIPE_BUF < 512" /* non-POSIX */
+#  error "PIPE_BUF < 512"       /* non-POSIX */
 # endif
 # error "TLS_INFO_SIZE > PIPE_BUF"
 #endif
@@ -124,9 +125,10 @@ static char const rcsid[] =
 # include TLS_APP
 #endif
 
-/* Applications can define:
+/*-
+ * Applications can define:
  *   TLS_APP_PROCESS_INIT -- void ...(int fd, int client_p, void *apparg)
- *   TLS_CUMULATE_ERRORS 
+ *   TLS_CUMULATE_ERRORS
  *   TLS_ERROR_BUFSIZ
  *   TLS_APP_ERRFLUSH -- void ...(int child_p, char *, size_t, void *apparg)
  */
@@ -138,7 +140,7 @@ static char const rcsid[] =
 #ifndef TLS_ERROR_BUFSIZ
 # define TLS_ERROR_BUFSIZ (10*160)
 #endif
-#if TLS_ERROR_BUFSIZ < 2 /* {'\n',0} */
+#if TLS_ERROR_BUFSIZ < 2        /* {'\n',0} */
 # error "TLS_ERROR_BUFSIZE is too small."
 #endif
 
@@ -164,15 +166,14 @@ static int tls_select_count = 0;
 #endif
 
 static void tls_rand_seed_uniquely(void);
-static void tls_proxy(int clear_fd, int tls_fd, int info_fd, SSL_CTX *ctx, int client_p);
+static void tls_proxy(int clear_fd, int tls_fd, int info_fd, SSL_CTX *ctx,
+                      int client_p);
 static int tls_socket_nonblocking(int fd);
 
 static int tls_child_p = 0;
 static void *tls_child_apparg;
 
-
-struct tls_start_proxy_args
-tls_start_proxy_defaultargs(void)
+struct tls_start_proxy_args tls_start_proxy_defaultargs(void)
 {
     struct tls_start_proxy_args ret;
 
@@ -181,11 +182,12 @@ tls_start_proxy_defaultargs(void)
     ret.ctx = NULL;
     ret.pid = NULL;
     ret.infofd = NULL;
-    
+
     return ret;
 }
 
-/* Slice in TLS proxy process at fd.
+/*-
+ * Slice in TLS proxy process at fd.
  * Return value:
  *   0    ok  (*pid is set to child's PID if pid != NULL),
  *   < 0  look at errno
@@ -193,11 +195,10 @@ tls_start_proxy_defaultargs(void)
  *   (return value encodes place of error)
  *
  */
-int
-tls_start_proxy(struct tls_start_proxy_args a, void *apparg)
+int tls_start_proxy(struct tls_start_proxy_args a, void *apparg)
 {
-    int fds[2] = {-1, -1};
-    int infofds[2] = {-1, -1};
+    int fds[2] = { -1, -1 };
+    int infofds[2] = { -1, -1 };
     int r, getfd, getfl;
     int ret;
 
@@ -205,52 +206,52 @@ tls_start_proxy(struct tls_start_proxy_args a, void *apparg)
     DEBUG_MSG2("tls_start_proxy client_p", a.client_p);
 
     if (a.fd == -1 || a.client_p == -1 || a.ctx == NULL)
-	return 1;
+        return 1;
 
     if (a.pid != NULL) {
-	*a.pid = 0;
+        *a.pid = 0;
     }
     if (a.infofd != NULL) {
-	*a.infofd = -1;
+        *a.infofd = -1;
     }
 
     r = socketpair(AF_UNIX, SOCK_STREAM, 0, fds);
     if (r == -1)
-	return -1;
+        return -1;
     if (a.fd >= FD_SETSIZE || fds[0] >= FD_SETSIZE) {
-	ret = 2;
-	goto err;
+        ret = 2;
+        goto err;
     }
     if (a.infofd != NULL) {
-	r = pipe(infofds);
-	if (r == -1) {
-	    ret = -3;
-	    goto err;
-	}
+        r = pipe(infofds);
+        if (r == -1) {
+            ret = -3;
+            goto err;
+        }
     }
 
     r = fork();
     if (r == -1) {
-	ret = -4;
-	goto err;
+        ret = -4;
+        goto err;
     }
     if (r == 0) {
-	DEBUG_MSG("fork");
-	tls_child_p = 1;
-	tls_child_apparg = apparg;
-	close(fds[1]);
-	if (infofds[0] != -1)
-	    close(infofds[0]);
-	TLS_APP_PROCESS_INIT(a.fd, a.client_p, apparg);
-	DEBUG_MSG("TLS_APP_PROCESS_INIT");
-	tls_proxy(fds[0], a.fd, infofds[1], a.ctx, a.client_p);
-	exit(0);
+        DEBUG_MSG("fork");
+        tls_child_p = 1;
+        tls_child_apparg = apparg;
+        close(fds[1]);
+        if (infofds[0] != -1)
+            close(infofds[0]);
+        TLS_APP_PROCESS_INIT(a.fd, a.client_p, apparg);
+        DEBUG_MSG("TLS_APP_PROCESS_INIT");
+        tls_proxy(fds[0], a.fd, infofds[1], a.ctx, a.client_p);
+        exit(0);
     }
     if (a.pid != NULL)
-	*a.pid = r;
+        *a.pid = r;
     if (infofds[1] != -1) {
-	close(infofds[1]);
-	infofds[1] = -1;
+        close(infofds[1]);
+        infofds[1] = -1;
     }
     /* install fds[1] in place of fd: */
     close(fds[0]);
@@ -261,26 +262,26 @@ tls_start_proxy(struct tls_start_proxy_args a, void *apparg)
     close(fds[1]);
     fds[1] = -1;
     if (r == -1) {
-	ret = -5;
-	goto err;
+        ret = -5;
+        goto err;
     }
     if (getfd != 1)
-	fcntl(a.fd, F_SETFD, getfd);
+        fcntl(a.fd, F_SETFD, getfd);
     if (getfl & O_NONBLOCK)
-	(void)tls_socket_nonblocking(a.fd);
+        (void)tls_socket_nonblocking(a.fd);
     if (a.infofd != NULL)
-	*a.infofd = infofds[0];
+        *a.infofd = infofds[0];
     return 0;
-    
-  err:
+
+ err:
     if (fds[0] != -1)
-	close(fds[0]);
+        close(fds[0]);
     if (fds[1] != -1)
-	close(fds[1]);
+        close(fds[1]);
     if (infofds[0] != -1)
-	close(infofds[0]);
+        close(infofds[0]);
     if (infofds[1] != -1)
-	close(infofds[1]);
+        close(infofds[1]);
     return ret;
 }
 
@@ -289,62 +290,64 @@ tls_start_proxy(struct tls_start_proxy_args a, void *apparg)
 static char errbuf[TLS_ERROR_BUFSIZ];
 static size_t errbuf_i = 0;
 
-static void
-tls_errflush(void *apparg)
+static void tls_errflush(void *apparg)
 {
     if (errbuf_i == 0)
-	return;
-    
+        return;
+
     assert(errbuf_i < sizeof errbuf);
     assert(errbuf[errbuf_i] == 0);
     if (errbuf_i == sizeof errbuf - 1) {
-	/* make sure we have a newline, even if string has been truncated */
-	errbuf[errbuf_i - 1] = '\n';
+        /* make sure we have a newline, even if string has been truncated */
+        errbuf[errbuf_i - 1] = '\n';
     }
 
-    /* TLS_APP_ERRFLUSH may modify the string as needed,
-     * e.g. substitute other characters for \n for convenience */
+    /*
+     * TLS_APP_ERRFLUSH may modify the string as needed, e.g. substitute
+     * other characters for \n for convenience
+     */
     TLS_APP_ERRFLUSH(tls_child_p, errbuf, errbuf_i, apparg);
 
     errbuf_i = 0;
 }
 
-static void
-tls_errprintf(int flush, void *apparg, const char *fmt, ...)
+static void tls_errprintf(int flush, void *apparg, const char *fmt, ...)
 {
     va_list args;
     int r;
-    
+
     if (errbuf_i < sizeof errbuf - 1) {
-	size_t n;
-
-	va_start(args, fmt);
-	n = (sizeof errbuf) - errbuf_i;
-	r = vsnprintf(errbuf + errbuf_i, n, fmt, args);
-	if (r >= n)
-	    r = n - 1;
-	if (r >= 0) {
-	    errbuf_i += r;
-	} else {
-	    errbuf_i = sizeof errbuf - 1;
-	    errbuf[errbuf_i] = '\0';
-	}
-	assert(errbuf_i < sizeof errbuf);
-	assert(errbuf[errbuf_i] == 0);
+        size_t n;
+
+        va_start(args, fmt);
+        n = (sizeof errbuf) - errbuf_i;
+        r = vsnprintf(errbuf + errbuf_i, n, fmt, args);
+        if (r >= n)
+            r = n - 1;
+        if (r >= 0) {
+            errbuf_i += r;
+        } else {
+            errbuf_i = sizeof errbuf - 1;
+            errbuf[errbuf_i] = '\0';
+        }
+        assert(errbuf_i < sizeof errbuf);
+        assert(errbuf[errbuf_i] == 0);
     }
 #ifndef TLS_CUMULATE_ERRORS
     tls_errflush(apparg);
 #else
     if (flush)
-	tls_errflush(apparg);
+        tls_errflush(apparg);
 #endif
 }
 
-/* app_prefix.. are for additional information provided by caller.
- * If OpenSSL error queue is empty, print default_text ("???" if NULL).
+/*
+ * app_prefix.. are for additional information provided by caller. If OpenSSL
+ * error queue is empty, print default_text ("???" if NULL).
  */
-static char *
-tls_openssl_errors(const char *app_prefix_1, const char *app_prefix_2, const char *default_text, void *apparg)
+static char *tls_openssl_errors(const char *app_prefix_1,
+                                const char *app_prefix_2,
+                                const char *default_text, void *apparg)
 {
     static char reasons[255];
     size_t reasons_i;
@@ -355,45 +358,49 @@ tls_openssl_errors(const char *app_prefix_1, const char *app_prefix_2, const cha
     int flags;
     char *errstring;
     int printed_something = 0;
-    
+
     reasons_i = 0;
 
     assert(app_prefix_1 != NULL);
     assert(app_prefix_2 != NULL);
 
     if (default_text == NULL)
-	default_text = "?""?""?";
-    
-    while ((err = ERR_get_error_line_data(&file,&line,&data,&flags)) != 0) {
-	if (reasons_i < sizeof reasons) {
-	    size_t n;
-	    int r;
-
-	    n = (sizeof reasons) - reasons_i;
-	    r = snprintf(reasons + reasons_i, n, "%s%s", (reasons_i > 0 ? ", " : ""), ERR_reason_error_string(err));
-	    if (r >= n)
-		r = n - 1;
-	    if (r >= 0) {
-		reasons_i += r;
-	    } else {
-		reasons_i = sizeof reasons;
-	    }
-	    assert(reasons_i <= sizeof reasons);
-	}
-	
-	errstring = ERR_error_string(err, NULL);
-	assert(errstring != NULL);
-	tls_errprintf(0, apparg, "OpenSSL error%s%s: %s:%s:%d:%s\n", app_prefix_1, app_prefix_2, errstring, file, line, (flags & ERR_TXT_STRING) ? data : "");
-	printed_something = 1;
+        default_text = "?" "?" "?";
+
+    while ((err = ERR_get_error_line_data(&file, &line, &data, &flags)) != 0) {
+        if (reasons_i < sizeof reasons) {
+            size_t n;
+            int r;
+
+            n = (sizeof reasons) - reasons_i;
+            r = snprintf(reasons + reasons_i, n, "%s%s",
+                         (reasons_i > 0 ? ", " : ""),
+                         ERR_reason_error_string(err));
+            if (r >= n)
+                r = n - 1;
+            if (r >= 0) {
+                reasons_i += r;
+            } else {
+                reasons_i = sizeof reasons;
+            }
+            assert(reasons_i <= sizeof reasons);
+        }
+
+        errstring = ERR_error_string(err, NULL);
+        assert(errstring != NULL);
+        tls_errprintf(0, apparg, "OpenSSL error%s%s: %s:%s:%d:%s\n",
+                      app_prefix_1, app_prefix_2, errstring, file, line,
+                      (flags & ERR_TXT_STRING) ? data : "");
+        printed_something = 1;
     }
 
     if (!printed_something) {
-	assert(reasons_i == 0);
-	snprintf(reasons, sizeof reasons, "%s", default_text);
-	tls_errprintf(0, apparg, "OpenSSL error%s%s: %s\n", app_prefix_1, app_prefix_2, default_text);
+        assert(reasons_i == 0);
+        snprintf(reasons, sizeof reasons, "%s", default_text);
+        tls_errprintf(0, apparg, "OpenSSL error%s%s: %s\n", app_prefix_1,
+                      app_prefix_2, default_text);
     }
-
-#ifdef TLS_CUMULATE_ERRORS    
+#ifdef TLS_CUMULATE_ERRORS
     tls_errflush(apparg);
 #endif
     assert(errbuf_i == 0);
@@ -405,16 +412,15 @@ tls_openssl_errors(const char *app_prefix_1, const char *app_prefix_2, const cha
 
 static int tls_init_done = 0;
 
-static int
-tls_init(void *apparg)
+static int tls_init(void *apparg)
 {
     if (tls_init_done)
-	return 0;
-    
+        return 0;
+
     SSL_load_error_strings();
     if (!SSL_library_init() /* aka SSLeay_add_ssl_algorithms() */ ) {
-	tls_errprintf(1, apparg, "SSL_library_init failed.\n");
-	return -1;
+        tls_errprintf(1, apparg, "SSL_library_init failed.\n");
+        return -1;
     }
     tls_init_done = 1;
     tls_rand_seed();
@@ -423,13 +429,12 @@ tls_init(void *apparg)
 
 /*****************************************************************************/
 
-static void
-tls_rand_seed_uniquely(void)
+static void tls_rand_seed_uniquely(void)
 {
     struct {
-	pid_t pid;
-	time_t time;
-	void *stack;
+        pid_t pid;
+        time_t time;
+        void *stack;
     } data;
 
     data.pid = getpid();
@@ -439,80 +444,84 @@ tls_rand_seed_uniquely(void)
     RAND_seed((const void *)&data, sizeof data);
 }
 
-void
-tls_rand_seed(void)
+void tls_rand_seed(void)
 {
     struct {
-	struct utsname uname;
-	int uname_1;
-	int uname_2;
-	uid_t uid;
-	uid_t euid;
-	gid_t gid;
-	gid_t egid;
+        struct utsname uname;
+        int uname_1;
+        int uname_2;
+        uid_t uid;
+        uid_t euid;
+        gid_t gid;
+        gid_t egid;
     } data;
-    
+
     data.uname_1 = uname(&data.uname);
-    data.uname_2 = errno; /* Let's hope that uname fails randomly :-) */
+    data.uname_2 = errno;       /* Let's hope that uname fails randomly :-) */
 
     data.uid = getuid();
     data.euid = geteuid();
     data.gid = getgid();
     data.egid = getegid();
-    
+
     RAND_seed((const void *)&data, sizeof data);
     tls_rand_seed_uniquely();
 }
 
 static int tls_rand_seeded_p = 0;
 
-#define my_MIN_SEED_BYTES 256 /* struct stat can be larger than 128 */
-int
-tls_rand_seed_from_file(const char *filename, size_t n, void *apparg)
+#define my_MIN_SEED_BYTES 256   /* struct stat can be larger than 128 */
+int tls_rand_seed_from_file(const char *filename, size_t n, void *apparg)
 {
-    /* Seed OpenSSL's random number generator from file.
-       Try to read n bytes if n > 0, whole file if n == 0. */
+    /*
+     * Seed OpenSSL's random number generator from file. Try to read n bytes
+     * if n > 0, whole file if n == 0.
+     */
 
     int r;
 
     if (tls_init(apparg) == -1)
-	return -1;
+        return -1;
     tls_rand_seed();
 
-    r = RAND_load_file(filename, (n > 0 && n < LONG_MAX) ? (long)n : LONG_MAX);
-    /* r is the number of bytes filled into the random number generator,
-     * which are taken from "stat(filename, ...)" in addition to the
-     * file contents.
+    r = RAND_load_file(filename,
+                       (n > 0 && n < LONG_MAX) ? (long)n : LONG_MAX);
+    /*
+     * r is the number of bytes filled into the random number generator,
+     * which are taken from "stat(filename, ...)" in addition to the file
+     * contents.
      */
     assert(1 < my_MIN_SEED_BYTES);
-    /* We need to detect at least those cases when the file does not exist
-     * at all.  With current versions of OpenSSL, this should do it: */
+    /*
+     * We need to detect at least those cases when the file does not exist at
+     * all.  With current versions of OpenSSL, this should do it:
+     */
     if (n == 0)
-	n = my_MIN_SEED_BYTES;
+        n = my_MIN_SEED_BYTES;
     if (r < n) {
-	tls_errprintf(1, apparg, "rand_seed_from_file: could not read %d bytes from %s.\n", n, filename);
-	return -1;
+        tls_errprintf(1, apparg,
+                      "rand_seed_from_file: could not read %d bytes from %s.\n",
+                      n, filename);
+        return -1;
     } else {
-	tls_rand_seeded_p = 1;
-	return 0;
+        tls_rand_seeded_p = 1;
+        return 0;
     }
 }
 
-void
-tls_rand_seed_from_memory(const void *buf, size_t n)
+void tls_rand_seed_from_memory(const void *buf, size_t n)
 {
     size_t i = 0;
-    
+
     while (i < n) {
-	size_t rest = n - i;
-	int chunk = rest < INT_MAX ? (int)rest : INT_MAX;
-	RAND_seed((const char *)buf + i, chunk);
-	i += chunk;
+        size_t rest = n - i;
+        int chunk = rest < INT_MAX ? (int)rest : INT_MAX;
+        RAND_seed((const char *)buf + i, chunk);
+        i += chunk;
     }
     tls_rand_seeded_p = 1;
 }
 
-
 /*****************************************************************************/
 
 struct tls_x509_name_string {
@@ -520,341 +529,367 @@ struct tls_x509_name_string {
 };
 
 static void
-tls_get_x509_subject_name_oneline(X509 *cert, struct tls_x509_name_string *namestring)
+tls_get_x509_subject_name_oneline(X509 *cert,
+                                  struct tls_x509_name_string *namestring)
 {
     X509_NAME *name;
 
     if (cert == NULL) {
-	namestring->str[0] = '\0';
-	return;
+        namestring->str[0] = '\0';
+        return;
     }
-    
-    name = X509_get_subject_name(cert); /* does not increment any reference counter */
+
+    name = X509_get_subject_name(cert); /* does not increment any reference
+                                         * counter */
 
     assert(sizeof namestring->str >= 4); /* "?" or "...", plus 0 */
-    
+
     if (name == NULL) {
-	namestring->str[0] = '?';
-	namestring->str[1] = 0;
+        namestring->str[0] = '?';
+        namestring->str[1] = 0;
     } else {
-	size_t len;
-
-	X509_NAME_oneline(name, namestring->str, sizeof namestring->str);
-	len = strlen(namestring->str);
-	assert(namestring->str[len] == 0);
-	assert(len < sizeof namestring->str);
-
-	if (len+1 == sizeof namestring->str) {
-	    /* (Probably something was cut off.)
-	     * Does not really work -- X509_NAME_oneline truncates after
-	     * name components, we cannot tell from the result whether
-	     * anything is missing. */
-
-	    assert(namestring->str[len] == 0);
-	    namestring->str[--len] = '.';
-	    namestring->str[--len] = '.';
-	    namestring->str[--len] = '.';
-	}
+        size_t len;
+
+        X509_NAME_oneline(name, namestring->str, sizeof namestring->str);
+        len = strlen(namestring->str);
+        assert(namestring->str[len] == 0);
+        assert(len < sizeof namestring->str);
+
+        if (len + 1 == sizeof namestring->str) {
+            /*
+             * (Probably something was cut off.) Does not really work --
+             * X509_NAME_oneline truncates after name components, we cannot
+             * tell from the result whether anything is missing.
+             */
+
+            assert(namestring->str[len] == 0);
+            namestring->str[--len] = '.';
+            namestring->str[--len] = '.';
+            namestring->str[--len] = '.';
+        }
     }
 }
 
 /*****************************************************************************/
 
 /* to hinder OpenSSL from asking for passphrases */
-static int
-no_passphrase_callback(char *buf, int num, int w, void *arg)
+static int no_passphrase_callback(char *buf, int num, int w, void *arg)
 {
     return -1;
 }
 
 #if OPENSSL_VERSION_NUMBER >= 0x00907000L
-static int
-verify_dont_fail_cb(X509_STORE_CTX *c, void *unused_arg)
+static int verify_dont_fail_cb(X509_STORE_CTX *c, void *unused_arg)
 #else
-static int
-verify_dont_fail_cb(X509_STORE_CTX *c)
+static int verify_dont_fail_cb(X509_STORE_CTX *c)
 #endif
 {
     int i;
-    
-    i = X509_verify_cert(c); /* sets c->error */
+
+    i = X509_verify_cert(c);    /* sets c->error */
 #if OPENSSL_VERSION_NUMBER >= 0x00905000L /* don't allow unverified
-					   * certificates -- they could
-					   * survive session reuse, but
-					   * OpenSSL < 0.9.5-dev does not
-					   * preserve their verify_result */
+                                           * certificates -- they could
+                                           * survive session reuse, but
+                                           * OpenSSL < 0.9.5-dev does not
+                                           * preserve their verify_result */
     if (i == 0)
-	return 1;
+        return 1;
     else
 #endif
-	return i;
+        return i;
 }
 
-static DH *tls_dhe1024 = NULL; /* generating these takes a while, so do it just once */
+static DH *tls_dhe1024 = NULL;  /* generating these takes a while, so do it
+                                 * just once */
 
-void
-tls_set_dhe1024(int i, void *apparg)
+void tls_set_dhe1024(int i, void *apparg)
 {
     DSA *dsaparams;
     DH *dhparams;
     const char *seed[] = { ";-)  :-(  :-)  :-(  ",
-			   ";-)  :-(  :-)  :-(  ",
-			   "Random String no. 12",
-			   ";-)  :-(  :-)  :-(  ",
-			   "hackers have even mo", /* from jargon file */
+        ";-)  :-(  :-)  :-(  ",
+        "Random String no. 12",
+        ";-)  :-(  :-)  :-(  ",
+        "hackers have even mo", /* from jargon file */
     };
     unsigned char seedbuf[20];
-    
+
     tls_init(apparg);
     if (i >= 0) {
-	i %= sizeof seed / sizeof seed[0];
-	assert(strlen(seed[i]) == 20);
-	memcpy(seedbuf, seed[i], 20);
-	dsaparams = DSA_generate_parameters(1024, seedbuf, 20, NULL, NULL, 0, NULL);
+        i %= sizeof seed / sizeof seed[0];
+        assert(strlen(seed[i]) == 20);
+        memcpy(seedbuf, seed[i], 20);
+        dsaparams =
+            DSA_generate_parameters(1024, seedbuf, 20, NULL, NULL, 0, NULL);
     } else {
-	/* random parameters (may take a while) */
-	dsaparams = DSA_generate_parameters(1024, NULL, 0, NULL, NULL, 0, NULL);
+        /* random parameters (may take a while) */
+        dsaparams =
+            DSA_generate_parameters(1024, NULL, 0, NULL, NULL, 0, NULL);
     }
-    
+
     if (dsaparams == NULL) {
-	tls_openssl_errors("", "", NULL, apparg);
-	return;
+        tls_openssl_errors("", "", NULL, apparg);
+        return;
     }
     dhparams = DSA_dup_DH(dsaparams);
     DSA_free(dsaparams);
     if (dhparams == NULL) {
-	tls_openssl_errors("", "", NULL, apparg);
-	return;
+        tls_openssl_errors("", "", NULL, apparg);
+        return;
     }
     if (tls_dhe1024 != NULL)
-	DH_free(tls_dhe1024);
+        DH_free(tls_dhe1024);
     tls_dhe1024 = dhparams;
 }
 
-struct tls_create_ctx_args
-tls_create_ctx_defaultargs(void)
+struct tls_create_ctx_args tls_create_ctx_defaultargs(void)
 {
-	struct tls_create_ctx_args ret;
+    struct tls_create_ctx_args ret;
 
-	ret.client_p = 0;
-	ret.certificate_file = NULL;
-	ret.key_file = NULL;
-	ret.ca_file = NULL;
-	ret.verify_depth = -1;
-	ret.fail_unless_verified = 0;
-	ret.export_p = 0;
+    ret.client_p = 0;
+    ret.certificate_file = NULL;
+    ret.key_file = NULL;
+    ret.ca_file = NULL;
+    ret.verify_depth = -1;
+    ret.fail_unless_verified = 0;
+    ret.export_p = 0;
 
-	return ret;
+    return ret;
 }
 
-SSL_CTX *
-tls_create_ctx(struct tls_create_ctx_args a, void *apparg)
+SSL_CTX *tls_create_ctx(struct tls_create_ctx_args a, void *apparg)
 {
     int r;
     static long context_num = 0;
     SSL_CTX *ret;
     const char *err_pref_1 = "", *err_pref_2 = "";
-    
+
     if (tls_init(apparg) == -1)
-	return NULL;
+        return NULL;
 
-    ret = SSL_CTX_new((a.client_p? SSLv23_client_method:SSLv23_server_method)());
+    ret =
+        SSL_CTX_new((a.client_p ? SSLv23_client_method :
+                     SSLv23_server_method) ());
 
     if (ret == NULL)
-	goto err;
+        goto err;
 
     SSL_CTX_set_default_passwd_cb(ret, no_passphrase_callback);
     SSL_CTX_set_mode(ret, SSL_MODE_ENABLE_PARTIAL_WRITE);
-    
+
     if ((a.certificate_file != NULL) || (a.key_file != NULL)) {
-	if (a.key_file == NULL) {
-	    tls_errprintf(1, apparg, "Need a key file.\n");
-	    goto err_return;
-	}
-	if (a.certificate_file == NULL) {
-	    tls_errprintf(1, apparg, "Need a certificate chain file.\n");
-	    goto err_return;
-	}
-	
-	if (!SSL_CTX_use_PrivateKey_file(ret, a.key_file, SSL_FILETYPE_PEM))
-	    goto err;
-	if (!tls_rand_seeded_p) {
-	    /* particularly paranoid people may not like this --
-	     * so provide your own random seeding before calling this */
-	    if (tls_rand_seed_from_file(a.key_file, 0, apparg) == -1)
-		goto err_return;
-	}
-	if (!SSL_CTX_use_certificate_chain_file(ret, a.certificate_file))
-	    goto err;
-	if (!SSL_CTX_check_private_key(ret)) {
-	    tls_errprintf(1, apparg, "Private key \"%s\" does not match certificate \"%s\".\n", a.key_file, a.certificate_file);
-	    goto err_peek;
-	}
+        if (a.key_file == NULL) {
+            tls_errprintf(1, apparg, "Need a key file.\n");
+            goto err_return;
+        }
+        if (a.certificate_file == NULL) {
+            tls_errprintf(1, apparg, "Need a certificate chain file.\n");
+            goto err_return;
+        }
+
+        if (!SSL_CTX_use_PrivateKey_file(ret, a.key_file, SSL_FILETYPE_PEM))
+            goto err;
+        if (!tls_rand_seeded_p) {
+            /*
+             * particularly paranoid people may not like this -- so provide
+             * your own random seeding before calling this
+             */
+            if (tls_rand_seed_from_file(a.key_file, 0, apparg) == -1)
+                goto err_return;
+        }
+        if (!SSL_CTX_use_certificate_chain_file(ret, a.certificate_file))
+            goto err;
+        if (!SSL_CTX_check_private_key(ret)) {
+            tls_errprintf(1, apparg,
+                          "Private key \"%s\" does not match certificate \"%s\".\n",
+                          a.key_file, a.certificate_file);
+            goto err_peek;
+        }
     }
-    
+
     if ((a.ca_file != NULL) || (a.verify_depth > 0)) {
-	context_num++;
-	r = SSL_CTX_set_session_id_context(ret, (const void *)&context_num, (unsigned int)sizeof context_num);
-	if (!r)
-	    goto err;
-	
-	SSL_CTX_set_verify(ret, SSL_VERIFY_PEER | (a.fail_unless_verified ? SSL_VERIFY_FAIL_IF_NO_PEER_CERT : 0), 0);
-	if (!a.fail_unless_verified)
-	    SSL_CTX_set_cert_verify_callback(ret, verify_dont_fail_cb, NULL);
-	    
-	if (a.verify_depth > 0)
-	    SSL_CTX_set_verify_depth(ret, a.verify_depth);
-	
-	if (a.ca_file != NULL) {
-	    r = SSL_CTX_load_verify_locations(ret, a.ca_file, NULL /* no CA-directory */); /* does not report failure if file does not exist ... */
-	    if (!r) {
-		err_pref_1 = " while processing certificate file ";
-		err_pref_2 = a.ca_file;
-		goto err;
-	    }
-	    
-	    if (!a.client_p) {
-		/* SSL_load_client_CA_file is a misnomer, it just creates a list of CNs. */
-		SSL_CTX_set_client_CA_list(ret, SSL_load_client_CA_file(a.ca_file));
-		/* SSL_CTX_set_client_CA_list does not have a return value;
-		 * it does not really need one, but make sure
-		 * (we really test if SSL_load_client_CA_file worked) */
-		if (SSL_CTX_get_client_CA_list(ret) == NULL) {
-		    tls_errprintf(1, apparg, "Could not set client CA list from \"%s\".\n", a.ca_file);
-		    goto err_peek;
-		}
-	    }
-	}
+        context_num++;
+        r = SSL_CTX_set_session_id_context(ret, (const void *)&context_num,
+                                           (unsigned int)sizeof context_num);
+        if (!r)
+            goto err;
+
+        SSL_CTX_set_verify(ret,
+                           SSL_VERIFY_PEER | (a.fail_unless_verified ?
+                                              SSL_VERIFY_FAIL_IF_NO_PEER_CERT
+                                              : 0), 0);
+        if (!a.fail_unless_verified)
+            SSL_CTX_set_cert_verify_callback(ret, verify_dont_fail_cb, NULL);
+
+        if (a.verify_depth > 0)
+            SSL_CTX_set_verify_depth(ret, a.verify_depth);
+
+        if (a.ca_file != NULL) {
+            /* does not report failure if file does not exist ... */
+            /* NULL argument means no CA-directory */
+            r = SSL_CTX_load_verify_locations(ret, a.ca_file, NULL);
+            if (!r) {
+                err_pref_1 = " while processing certificate file ";
+                err_pref_2 = a.ca_file;
+                goto err;
+            }
+
+            if (!a.client_p) {
+                /*
+                 * SSL_load_client_CA_file is a misnomer, it just creates a
+                 * list of CNs.
+                 */
+                SSL_CTX_set_client_CA_list(ret,
+                                           SSL_load_client_CA_file
+                                           (a.ca_file));
+                /*
+                 * SSL_CTX_set_client_CA_list does not have a return value;
+                 * it does not really need one, but make sure (we really test
+                 * if SSL_load_client_CA_file worked)
+                 */
+                if (SSL_CTX_get_client_CA_list(ret) == NULL) {
+                    tls_errprintf(1, apparg,
+                                  "Could not set client CA list from \"%s\".\n",
+                                  a.ca_file);
+                    goto err_peek;
+                }
+            }
+        }
     }
-    
+
     if (!a.client_p) {
-	if (tls_dhe1024 == NULL) {
-	    int i;
-
-	    RAND_bytes((unsigned char *) &i, sizeof i);
-	    /* make sure that i is non-negative -- pick one of the provided
-	     * seeds */
-	    if (i < 0)
-		i = -i;
-	    if (i < 0)
-		i = 0;
-	    tls_set_dhe1024(i, apparg);
-	    if (tls_dhe1024 == NULL)
-		goto err_return;
-	}
-	
-	if (!SSL_CTX_set_tmp_dh(ret, tls_dhe1024))
-	    goto err;
-
-	/* avoid small subgroup attacks: */
-	SSL_CTX_set_options(ret, SSL_OP_SINGLE_DH_USE);
+        if (tls_dhe1024 == NULL) {
+            int i;
+
+            RAND_bytes((unsigned char *)&i, sizeof i);
+            /*
+             * make sure that i is non-negative -- pick one of the provided
+             * seeds
+             */
+            if (i < 0)
+                i = -i;
+            if (i < 0)
+                i = 0;
+            tls_set_dhe1024(i, apparg);
+            if (tls_dhe1024 == NULL)
+                goto err_return;
+        }
+
+        if (!SSL_CTX_set_tmp_dh(ret, tls_dhe1024))
+            goto err;
+
+        /* avoid small subgroup attacks: */
+        SSL_CTX_set_options(ret, SSL_OP_SINGLE_DH_USE);
     }
-	
 #ifndef NO_RSA
     if (!a.client_p && a.export_p) {
-	RSA *tmpkey;
-
-	tmpkey = RSA_generate_key(512, RSA_F4, 0, NULL);
-	if (tmpkey == NULL)
-	    goto err;
-	if (!SSL_CTX_set_tmp_rsa(ret, tmpkey)) {
-	    RSA_free(tmpkey);
-	    goto err;
-	}
-	RSA_free(tmpkey); /* SSL_CTX_set_tmp_rsa uses a duplicate. */
+        RSA *tmpkey;
+
+        tmpkey = RSA_generate_key(512, RSA_F4, 0, NULL);
+        if (tmpkey == NULL)
+            goto err;
+        if (!SSL_CTX_set_tmp_rsa(ret, tmpkey)) {
+            RSA_free(tmpkey);
+            goto err;
+        }
+        RSA_free(tmpkey);       /* SSL_CTX_set_tmp_rsa uses a duplicate. */
     }
 #endif
-	
+
     return ret;
-    
+
  err_peek:
     if (!ERR_peek_error())
-	goto err_return;
+        goto err_return;
  err:
     tls_openssl_errors(err_pref_1, err_pref_2, NULL, apparg);
  err_return:
     if (ret != NULL)
-	SSL_CTX_free(ret);
+        SSL_CTX_free(ret);
     return NULL;
 }
 
-
 /*****************************************************************************/
 
-static int
-tls_socket_nonblocking(int fd)
+static int tls_socket_nonblocking(int fd)
 {
     int v, r;
 
     v = fcntl(fd, F_GETFL, 0);
     if (v == -1) {
-	if (errno == EINVAL)
-	    return 0; /* already shut down -- ignore */
-	return -1;
+        if (errno == EINVAL)
+            return 0;           /* already shut down -- ignore */
+        return -1;
     }
     r = fcntl(fd, F_SETFL, v | O_NONBLOCK);
     if (r == -1) {
-	if (errno == EINVAL)
-	    return 0; /* already shut down -- ignore */
-	return -1;
+        if (errno == EINVAL)
+            return 0;           /* already shut down -- ignore */
+        return -1;
     }
     return 0;
 }
 
-static int
-max(int a, int b)
+static int max(int a, int b)
 {
     return a > b ? a : b;
 }
 
+/* timeout, -1 means no timeout */
 static void
-tls_sockets_select(int read_select_1, int read_select_2, int write_select_1, int write_select_2, int seconds /* timeout, -1 means no timeout */)
+tls_sockets_select(int read_select_1, int read_select_2, int write_select_1,
+                   int write_select_2, int seconds)
 {
     int maxfd, n;
     fd_set reads, writes;
     struct timeval timeout;
     struct timeval *timeout_p;
-    
-    assert(read_select_1 >= -1 && read_select_2 >= -1 && write_select_1 >= -1 && write_select_2 >= -1);
-    assert(read_select_1 < FD_SETSIZE && read_select_2 < FD_SETSIZE -1 && write_select_1 < FD_SETSIZE -1 && write_select_2 < FD_SETSIZE -1);
 
-    maxfd = max(max(read_select_1, read_select_2), max(write_select_1, write_select_2));
+    assert(read_select_1 >= -1 && read_select_2 >= -1 && write_select_1 >= -1
+           && write_select_2 >= -1);
+    assert(read_select_1 < FD_SETSIZE && read_select_2 < FD_SETSIZE - 1
+           && write_select_1 < FD_SETSIZE - 1
+           && write_select_2 < FD_SETSIZE - 1);
+
+    maxfd =
+        max(max(read_select_1, read_select_2),
+            max(write_select_1, write_select_2));
     assert(maxfd >= 0);
 
     FD_ZERO(&reads);
     FD_ZERO(&writes);
-    
-    for(n = 0; n < 4; ++n) {
-	int i = n % 2;
-	int w = n >= 2;
-	/* loop over all (i, w) in {0,1}x{0,1} */
-	int fd;
-	
-	if (i == 0 && w == 0)
-	    fd = read_select_1;
-	else if (i == 1 && w == 0)
-	    fd = read_select_2;
-	else if (i == 0 && w == 1)
-	    fd = write_select_1;
-	else {
-	    assert(i == 1 && w == 1);
-	    fd = write_select_2;
-	}
-	
-	if (fd >= 0) {
-	    if (w == 0)
-		FD_SET(fd, &reads);
-	    else /* w == 1 */
-		FD_SET(fd, &writes);
-	}
+
+    for (n = 0; n < 4; ++n) {
+        int i = n % 2;
+        int w = n >= 2;
+        /* loop over all (i, w) in {0,1}x{0,1} */
+        int fd;
+
+        if (i == 0 && w == 0)
+            fd = read_select_1;
+        else if (i == 1 && w == 0)
+            fd = read_select_2;
+        else if (i == 0 && w == 1)
+            fd = write_select_1;
+        else {
+            assert(i == 1 && w == 1);
+            fd = write_select_2;
+        }
+
+        if (fd >= 0) {
+            if (w == 0)
+                FD_SET(fd, &reads);
+            else                /* w == 1 */
+                FD_SET(fd, &writes);
+        }
     }
 
     if (seconds >= 0) {
-	timeout.tv_sec = seconds;
-	timeout.tv_usec = 0;
-	timeout_p = &timeout;
-    } else 
-	timeout_p = NULL;
+        timeout.tv_sec = seconds;
+        timeout.tv_usec = 0;
+        timeout_p = &timeout;
+    } else
+        timeout_p = NULL;
 
     DEBUG_MSG2("select no.", ++tls_select_count);
     select(maxfd + 1, &reads, &writes, (fd_set *) NULL, timeout_p);
@@ -870,56 +905,65 @@ struct tunnelbuf {
     size_t offset;
 };
 
-static int tls_connect_attempt(SSL *, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref);
+static int tls_connect_attempt(SSL *, int *write_select, int *read_select,
+                               int *closed, int *progress,
+                               const char **err_pref);
 
-static int tls_accept_attempt(SSL *, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref);
+static int tls_accept_attempt(SSL *, int *write_select, int *read_select,
+                              int *closed, int *progress,
+                              const char **err_pref);
 
-static int tls_write_attempt(SSL *, struct tunnelbuf *, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref);
+static int tls_write_attempt(SSL *, struct tunnelbuf *, int *write_select,
+                             int *read_select, int *closed, int *progress,
+                             const char **err_pref);
 
-static int tls_read_attempt(SSL *, struct tunnelbuf *, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref);
+static int tls_read_attempt(SSL *, struct tunnelbuf *, int *write_select,
+                            int *read_select, int *closed, int *progress,
+                            const char **err_pref);
 
-static int write_attempt(int fd, struct tunnelbuf *, int *select, int *closed, int *progress);
+static int write_attempt(int fd, struct tunnelbuf *, int *select, int *closed,
+                         int *progress);
 
-static int read_attempt(int fd, struct tunnelbuf *, int *select, int *closed, int *progress);
+static int read_attempt(int fd, struct tunnelbuf *, int *select, int *closed,
+                        int *progress);
 
 static void write_info(SSL *ssl, int *info_fd)
 {
     if (*info_fd != -1) {
-	long v;
-	int v_ok;
-	struct tls_x509_name_string peer;
-	char infobuf[TLS_INFO_SIZE];
-	int r;
-
-	DEBUG_MSG("write_info");
-	v = SSL_get_verify_result(ssl);
-	v_ok = (v == X509_V_OK) ? 'A' : 'E'; /* Auth./Error */
-	{
-	    X509 *peercert;
-
-	    peercert = SSL_get_peer_certificate(ssl);
-	    tls_get_x509_subject_name_oneline(peercert, &peer);
-	    if (peercert != NULL)
-		X509_free(peercert);
-	}
-	if (peer.str[0] == '\0')
-	    v_ok = '0'; /* no cert at all */
-	else
-	    if (strchr(peer.str, '\n')) {
-		/* should not happen, but make sure */
-		*strchr(peer.str, '\n') = '\0';
-	    }
-	r = snprintf(infobuf, sizeof infobuf, "%c:%s\n%s\n", v_ok, X509_verify_cert_error_string(v), peer.str);
-	DEBUG_MSG2("snprintf", r);
-	if (r == -1 || r >= sizeof infobuf)
-	    r = sizeof infobuf - 1;
-	write(*info_fd, infobuf, r);
-	close (*info_fd);
-	*info_fd = -1;
+        long v;
+        int v_ok;
+        struct tls_x509_name_string peer;
+        char infobuf[TLS_INFO_SIZE];
+        int r;
+
+        DEBUG_MSG("write_info");
+        v = SSL_get_verify_result(ssl);
+        v_ok = (v == X509_V_OK) ? 'A' : 'E'; /* Auth./Error */
+        {
+            X509 *peercert;
+
+            peercert = SSL_get_peer_certificate(ssl);
+            tls_get_x509_subject_name_oneline(peercert, &peer);
+            if (peercert != NULL)
+                X509_free(peercert);
+        }
+        if (peer.str[0] == '\0')
+            v_ok = '0';         /* no cert at all */
+        else if (strchr(peer.str, '\n')) {
+            /* should not happen, but make sure */
+            *strchr(peer.str, '\n') = '\0';
+        }
+        r = snprintf(infobuf, sizeof infobuf, "%c:%s\n%s\n", v_ok,
+                     X509_verify_cert_error_string(v), peer.str);
+        DEBUG_MSG2("snprintf", r);
+        if (r == -1 || r >= sizeof infobuf)
+            r = sizeof infobuf - 1;
+        write(*info_fd, infobuf, r);
+        close(*info_fd);
+        *info_fd = -1;
     }
 }
 
-
 /* tls_proxy expects that all fds are closed after return */
 static void
 tls_proxy(int clear_fd, int tls_fd, int info_fd, SSL_CTX *ctx, int client_p)
@@ -947,19 +991,19 @@ tls_proxy(int clear_fd, int tls_fd, int info_fd, SSL_CTX *ctx, int client_p)
 
     ssl = SSL_new(ctx);
     if (ssl == NULL)
-	goto err;
+        goto err;
     DEBUG_MSG("SSL_new");
     if (!SSL_set_fd(ssl, tls_fd))
-	goto err;
+        goto err;
     rbio = SSL_get_rbio(ssl);
-    wbio = SSL_get_wbio(ssl); /* should be the same, but who cares */
+    wbio = SSL_get_wbio(ssl);   /* should be the same, but who cares */
     assert(rbio != NULL);
     assert(wbio != NULL);
     if (client_p)
-	SSL_set_connect_state(ssl);
+        SSL_set_connect_state(ssl);
     else
-	SSL_set_accept_state(ssl);
-    
+        SSL_set_accept_state(ssl);
+
     closed = 0;
     in_handshake = 1;
     tls_to_clear.len = 0;
@@ -968,100 +1012,117 @@ tls_proxy(int clear_fd, int tls_fd, int info_fd, SSL_CTX *ctx, int client_p)
     clear_to_tls.offset = 0;
 
     err_def = "I/O error";
-    
-    /* loop finishes as soon as we detect that one side closed;
-     * when all (program and OS) buffers have enough space,
-     * the data from the last succesful read in each direction is transferred
-     * before close */
+
+    /*
+     * loop finishes as soon as we detect that one side closed; when all
+     * (program and OS) buffers have enough space, the data from the last
+     * succesful read in each direction is transferred before close
+     */
     do {
-	int clear_read_select = 0, clear_write_select = 0,
-	    tls_read_select = 0, tls_write_select = 0,
-	    progress = 0;
-	int r;
-	unsigned long num_read = BIO_number_read(rbio),
-	    num_written = BIO_number_written(wbio);
-
-	DEBUG_MSG2("loop iteration", ++tls_loop_count);
-
-	if (in_handshake) {
-	    DEBUG_MSG("in_handshake");
-	    if (client_p)
-		r = tls_connect_attempt(ssl, &tls_write_select, &tls_read_select, &closed, &progress, &err_pref_1);
-	    else
-		r = tls_accept_attempt(ssl, &tls_write_select, &tls_read_select, &closed, &progress, &err_pref_1);
-	    if (r != 0) {
-		write_info(ssl, &info_fd);
-		goto err;
-	    }
-	    if (closed)
-		goto err_return;
-	    if (!SSL_in_init(ssl)) {
-		in_handshake = 0;
-		write_info(ssl, &info_fd);
-	    }
-	}
-	
-	if (clear_to_tls.len != 0 && !in_handshake) {
-	    assert(!closed);
-	    
-	    r = tls_write_attempt(ssl, &clear_to_tls, &tls_write_select, &tls_read_select, &closed, &progress, &err_pref_1);
-	    if (r != 0)
-		goto err;
-	    if (closed) {
-		assert(progress);
-		tls_to_clear.offset = 0;
-		tls_to_clear.len = 0;
-	    }
-	}
-	
-	if (tls_to_clear.len != 0) {
-	    assert(!closed);
-
-	    r = write_attempt(clear_fd, &tls_to_clear, &clear_write_select, &closed, &progress);
-	    if (r != 0)
-		goto err_return;
-	    if (closed) {
-		assert(progress);
-		clear_to_tls.offset = 0;
-		clear_to_tls.len = 0;
-	    }
-	}
-	
-	if (!closed) {
-	    if (clear_to_tls.offset + clear_to_tls.len < sizeof clear_to_tls.buf) {
-		r = read_attempt(clear_fd, &clear_to_tls, &clear_read_select, &closed, &progress);
-		if (r != 0)
-		    goto err_return;
-		if (closed) {
-		    r = SSL_shutdown(ssl);
-		    DEBUG_MSG2("SSL_shutdown", r);
-		}
-	    }
-	}
-	
-	if (!closed && !in_handshake) {
-	    if (tls_to_clear.offset + tls_to_clear.len < sizeof tls_to_clear.buf) {
-		r = tls_read_attempt(ssl, &tls_to_clear, &tls_write_select, &tls_read_select, &closed, &progress, &err_pref_1);
-		if (r != 0)
-		    goto err;
-		if (closed) {
-		    r = SSL_shutdown(ssl);
-		    DEBUG_MSG2("SSL_shutdown", r);
-		}
-	    }
-	}
-
-	if (!progress) {
-	    DEBUG_MSG("!progress?");
-	    if (num_read != BIO_number_read(rbio) || num_written != BIO_number_written(wbio))
-		progress = 1;
-
-	    if (!progress) {
-		DEBUG_MSG("!progress");
-		assert(clear_read_select || tls_read_select || clear_write_select || tls_write_select);
-		tls_sockets_select(clear_read_select ? clear_fd : -1, tls_read_select ? tls_fd : -1, clear_write_select ? clear_fd : -1, tls_write_select ? tls_fd : -1, -1);
-	    }
-	}
+        int clear_read_select = 0, clear_write_select = 0,
+            tls_read_select = 0, tls_write_select = 0, progress = 0;
+        int r;
+        unsigned long num_read = BIO_number_read(rbio),
+            num_written = BIO_number_written(wbio);
+
+        DEBUG_MSG2("loop iteration", ++tls_loop_count);
+
+        if (in_handshake) {
+            DEBUG_MSG("in_handshake");
+            if (client_p)
+                r = tls_connect_attempt(ssl, &tls_write_select,
+                                        &tls_read_select, &closed, &progress,
+                                        &err_pref_1);
+            else
+                r = tls_accept_attempt(ssl, &tls_write_select,
+                                       &tls_read_select, &closed, &progress,
+                                       &err_pref_1);
+            if (r != 0) {
+                write_info(ssl, &info_fd);
+                goto err;
+            }
+            if (closed)
+                goto err_return;
+            if (!SSL_in_init(ssl)) {
+                in_handshake = 0;
+                write_info(ssl, &info_fd);
+            }
+        }
+
+        if (clear_to_tls.len != 0 && !in_handshake) {
+            assert(!closed);
+
+            r = tls_write_attempt(ssl, &clear_to_tls, &tls_write_select,
+                                  &tls_read_select, &closed, &progress,
+                                  &err_pref_1);
+            if (r != 0)
+                goto err;
+            if (closed) {
+                assert(progress);
+                tls_to_clear.offset = 0;
+                tls_to_clear.len = 0;
+            }
+        }
+
+        if (tls_to_clear.len != 0) {
+            assert(!closed);
+
+            r = write_attempt(clear_fd, &tls_to_clear, &clear_write_select,
+                              &closed, &progress);
+            if (r != 0)
+                goto err_return;
+            if (closed) {
+                assert(progress);
+                clear_to_tls.offset = 0;
+                clear_to_tls.len = 0;
+            }
+        }
+
+        if (!closed) {
+            if (clear_to_tls.offset + clear_to_tls.len <
+                sizeof clear_to_tls.buf) {
+                r = read_attempt(clear_fd, &clear_to_tls, &clear_read_select,
+                                 &closed, &progress);
+                if (r != 0)
+                    goto err_return;
+                if (closed) {
+                    r = SSL_shutdown(ssl);
+                    DEBUG_MSG2("SSL_shutdown", r);
+                }
+            }
+        }
+
+        if (!closed && !in_handshake) {
+            if (tls_to_clear.offset + tls_to_clear.len <
+                sizeof tls_to_clear.buf) {
+                r = tls_read_attempt(ssl, &tls_to_clear, &tls_write_select,
+                                     &tls_read_select, &closed, &progress,
+                                     &err_pref_1);
+                if (r != 0)
+                    goto err;
+                if (closed) {
+                    r = SSL_shutdown(ssl);
+                    DEBUG_MSG2("SSL_shutdown", r);
+                }
+            }
+        }
+
+        if (!progress) {
+            DEBUG_MSG("!progress?");
+            if (num_read != BIO_number_read(rbio)
+                || num_written != BIO_number_written(wbio))
+                progress = 1;
+
+            if (!progress) {
+                DEBUG_MSG("!progress");
+                assert(clear_read_select || tls_read_select
+                       || clear_write_select || tls_write_select);
+                tls_sockets_select(clear_read_select ? clear_fd : -1,
+                                   tls_read_select ? tls_fd : -1,
+                                   clear_write_select ? clear_fd : -1,
+                                   tls_write_select ? tls_fd : -1, -1);
+            }
+        }
     } while (!closed);
     return;
 
@@ -1071,91 +1132,97 @@ tls_proxy(int clear_fd, int tls_fd, int info_fd, SSL_CTX *ctx, int client_p)
     return;
 }
 
-
 static int
-tls_get_error(SSL *ssl, int r, int *write_select, int *read_select, int *closed, int *progress)
+tls_get_error(SSL *ssl, int r, int *write_select, int *read_select,
+              int *closed, int *progress)
 {
     int err = SSL_get_error(ssl, r);
 
     if (err == SSL_ERROR_NONE) {
-	assert(r > 0);
-	*progress = 1;
-	return 0;
+        assert(r > 0);
+        *progress = 1;
+        return 0;
     }
 
     assert(r <= 0);
 
     switch (err) {
     case SSL_ERROR_ZERO_RETURN:
-	assert(r == 0);
-	*closed = 1;
-	*progress = 1;
-	return 0;
+        assert(r == 0);
+        *closed = 1;
+        *progress = 1;
+        return 0;
 
     case SSL_ERROR_WANT_WRITE:
-	*write_select = 1;
-	return 0;
-	
+        *write_select = 1;
+        return 0;
+
     case SSL_ERROR_WANT_READ:
-	*read_select = 1;
-	return 0;
+        *read_select = 1;
+        return 0;
     }
 
     return -1;
 }
 
 static int
-tls_connect_attempt(SSL *ssl, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref)
+tls_connect_attempt(SSL *ssl, int *write_select, int *read_select,
+                    int *closed, int *progress, const char **err_pref)
 {
     int n, r;
 
     DEBUG_MSG("tls_connect_attempt");
     n = SSL_connect(ssl);
-    DEBUG_MSG2("SSL_connect",n);
+    DEBUG_MSG2("SSL_connect", n);
     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
     if (r == -1)
-	*err_pref = " during SSL_connect";
+        *err_pref = " during SSL_connect";
     return r;
 }
 
 static int
-tls_accept_attempt(SSL *ssl, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref)
+tls_accept_attempt(SSL *ssl, int *write_select, int *read_select, int *closed,
+                   int *progress, const char **err_pref)
 {
     int n, r;
 
     DEBUG_MSG("tls_accept_attempt");
     n = SSL_accept(ssl);
-    DEBUG_MSG2("SSL_accept",n);
+    DEBUG_MSG2("SSL_accept", n);
     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
     if (r == -1)
-	*err_pref = " during SSL_accept";
+        *err_pref = " during SSL_accept";
     return r;
 }
 
 static int
-tls_write_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref)
+tls_write_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select,
+                  int *read_select, int *closed, int *progress,
+                  const char **err_pref)
 {
     int n, r;
 
     DEBUG_MSG("tls_write_attempt");
     n = SSL_write(ssl, buf->buf + buf->offset, buf->len);
-    DEBUG_MSG2("SSL_write",n);
+    DEBUG_MSG2("SSL_write", n);
     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
     if (n > 0) {
-	buf->len -= n;
-	assert(buf->len >= 0);
-	if (buf->len == 0)
-	    buf->offset = 0;
-	else
-	    buf->offset += n;
+        buf->len -= n;
+        assert(buf->len >= 0);
+        if (buf->len == 0)
+            buf->offset = 0;
+        else
+            buf->offset += n;
     }
     if (r == -1)
-	*err_pref = " during SSL_write";
+        *err_pref = " during SSL_write";
     return r;
 }
 
 static int
-tls_read_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select, int *read_select, int *closed, int *progress, const char **err_pref)
+tls_read_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select,
+                 int *read_select, int *closed, int *progress,
+                 const char **err_pref)
 {
     int n, r;
     size_t total;
@@ -1164,62 +1231,64 @@ tls_read_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select, int *read_s
     total = buf->offset + buf->len;
     assert(total < sizeof buf->buf);
     n = SSL_read(ssl, buf->buf + total, (sizeof buf->buf) - total);
-    DEBUG_MSG2("SSL_read",n);
+    DEBUG_MSG2("SSL_read", n);
     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
     if (n > 0) {
-	buf->len += n;
-	assert(buf->offset + buf->len <= sizeof buf->buf);
+        buf->len += n;
+        assert(buf->offset + buf->len <= sizeof buf->buf);
     }
     if (r == -1)
-	*err_pref = " during SSL_read";
+        *err_pref = " during SSL_read";
     return r;
 }
 
-static int
-get_error(int r, int *select, int *closed, int *progress)
+static int get_error(int r, int *select, int *closed, int *progress)
 {
     if (r >= 0) {
-	*progress = 1;
-	if (r == 0)
-	    *closed = 1;
-	return 0;
+        *progress = 1;
+        if (r == 0)
+            *closed = 1;
+        return 0;
     } else {
-	assert(r == -1);
-	if (errno == EAGAIN || errno == EWOULDBLOCK) {
-	    *select = 1;
-	    return 0;
-	} else if (errno == EPIPE) {
-	    *progress = 1;
-	    *closed = 1;
-	    return 0;
-	} else
-	    return -1;
+        assert(r == -1);
+        if (errno == EAGAIN || errno == EWOULDBLOCK) {
+            *select = 1;
+            return 0;
+        } else if (errno == EPIPE) {
+            *progress = 1;
+            *closed = 1;
+            return 0;
+        } else
+            return -1;
     }
 }
 
-static int write_attempt(int fd, struct tunnelbuf *buf, int *select, int *closed, int *progress)
+static int write_attempt(int fd, struct tunnelbuf *buf, int *select,
+                         int *closed, int *progress)
 {
     int n, r;
 
     DEBUG_MSG("write_attempt");
     n = write(fd, buf->buf + buf->offset, buf->len);
-    DEBUG_MSG2("write",n);
+    DEBUG_MSG2("write", n);
     r = get_error(n, select, closed, progress);
     if (n > 0) {
-	buf->len -= n;
-	assert(buf->len >= 0);
-	if (buf->len == 0)
-	    buf->offset = 0;
-	else
-	    buf->offset += n;
+        buf->len -= n;
+        assert(buf->len >= 0);
+        if (buf->len == 0)
+            buf->offset = 0;
+        else
+            buf->offset += n;
     }
     if (r == -1)
-	tls_errprintf(1, tls_child_apparg, "write error: %s\n", strerror(errno));
+        tls_errprintf(1, tls_child_apparg, "write error: %s\n",
+                      strerror(errno));
     return r;
 }
-    
+
 static int
-read_attempt(int fd, struct tunnelbuf *buf, int *select, int *closed, int *progress)
+read_attempt(int fd, struct tunnelbuf *buf, int *select, int *closed,
+             int *progress)
 {
     int n, r;
     size_t total;
@@ -1228,13 +1297,14 @@ read_attempt(int fd, struct tunnelbuf *buf, int *select, int *closed, int *progr
     total = buf->offset + buf->len;
     assert(total < sizeof buf->buf);
     n = read(fd, buf->buf + total, (sizeof buf->buf) - total);
-    DEBUG_MSG2("read",n);
+    DEBUG_MSG2("read", n);
     r = get_error(n, select, closed, progress);
     if (n > 0) {
-	buf->len += n;
-	assert(buf->offset + buf->len <= sizeof buf->buf);
+        buf->len += n;
+        assert(buf->offset + buf->len <= sizeof buf->buf);
     }
     if (r == -1)
-	tls_errprintf(1, tls_child_apparg, "read error: %s\n", strerror(errno));
+        tls_errprintf(1, tls_child_apparg, "read error: %s\n",
+                      strerror(errno));
     return r;
 }
diff --git a/openssl/demos/easy_tls/easy-tls.h b/openssl/demos/easy_tls/easy-tls.h
index 52b298e65..1c587b861 100644
--- a/openssl/demos/easy_tls/easy-tls.h
+++ b/openssl/demos/easy_tls/easy-tls.h
@@ -1,5 +1,5 @@
 /* -*- Mode: C; c-file-style: "bsd" -*- */
-/*
+/*-
  * easy-tls.h -- generic TLS proxy.
  * $Id: easy-tls.h,v 1.1 2001/09/17 19:06:59 bodo Exp $
  */
@@ -8,26 +8,26 @@
  */
 
 #ifndef HEADER_TLS_H
-#define HEADER_TLS_H
+# define HEADER_TLS_H
 
-#ifndef HEADER_SSL_H
+# ifndef HEADER_SSL_H
 typedef struct ssl_ctx_st SSL_CTX;
-#endif
+# endif
 
-#define TLS_INFO_SIZE 512 /* max. # of bytes written to infofd */
+# define TLS_INFO_SIZE 512      /* max. # of bytes written to infofd */
 
-void tls_set_dhe1024(int i, void* apparg);
-/* Generate DHE parameters:
- * i >= 0 deterministic (i selects seed), i < 0 random (may take a while).
- * tls_create_ctx calls this with random non-negative i if the application
- * has never called it.*/
+void tls_set_dhe1024(int i, void *apparg);
+/*
+ * Generate DHE parameters: i >= 0 deterministic (i selects seed), i < 0
+ * random (may take a while). tls_create_ctx calls this with random
+ * non-negative i if the application has never called it.
+ */
 
 void tls_rand_seed(void);
 int tls_rand_seed_from_file(const char *filename, size_t n, void *apparg);
 void tls_rand_seed_from_memory(const void *buf, size_t n);
 
-struct tls_create_ctx_args 
-{
+struct tls_create_ctx_args {
     int client_p;
     const char *certificate_file;
     const char *key_file;
@@ -37,12 +37,13 @@ struct tls_create_ctx_args
     int export_p;
 };
 struct tls_create_ctx_args tls_create_ctx_defaultargs(void);
-/* struct tls_create_ctx_args is similar to a conventional argument list,
- * but it can provide default values and allows for future extension. */
+/*
+ * struct tls_create_ctx_args is similar to a conventional argument list, but
+ * it can provide default values and allows for future extension.
+ */
 SSL_CTX *tls_create_ctx(struct tls_create_ctx_args, void *apparg);
 
-struct tls_start_proxy_args
-{
+struct tls_start_proxy_args {
     int fd;
     int client_p;
     SSL_CTX *ctx;
@@ -50,8 +51,10 @@ struct tls_start_proxy_args
     int *infofd;
 };
 struct tls_start_proxy_args tls_start_proxy_defaultargs(void);
-/* tls_start_proxy return value *MUST* be checked!
- * 0 means ok, otherwise we've probably run out of some resources. */
+/*
+ * tls_start_proxy return value *MUST* be checked! 0 means ok, otherwise
+ * we've probably run out of some resources.
+ */
 int tls_start_proxy(struct tls_start_proxy_args, void *apparg);
 
 #endif
diff --git a/openssl/demos/easy_tls/test.c b/openssl/demos/easy_tls/test.c
index 21f679afd..d1dd53d0c 100644
--- a/openssl/demos/easy_tls/test.c
+++ b/openssl/demos/easy_tls/test.c
@@ -20,21 +20,19 @@
 #include "test.h"
 #include "easy-tls.h"
 
-void
-test_process_init(int fd, int client_p, void *apparg)
+void test_process_init(int fd, int client_p, void *apparg)
 {
-    fprintf(stderr, "test_process_init(fd = %d, client_p = %d, apparg = %p)\n", fd, client_p, apparg);
+    fprintf(stderr,
+            "test_process_init(fd = %d, client_p = %d, apparg = %p)\n", fd,
+            client_p, apparg);
 }
 
-void
-test_errflush(int child_p, char *errbuf, size_t num, void *apparg)
+void test_errflush(int child_p, char *errbuf, size_t num, void *apparg)
 {
     fputs(errbuf, stderr);
 }
 
-
-int
-main(int argc, char *argv[])
+int main(int argc, char *argv[])
 {
     int s, fd, r;
     FILE *conn_in;
@@ -47,198 +45,204 @@ main(int argc, char *argv[])
     char infobuf[TLS_INFO_SIZE + 1];
 
     if (argc > 1 && argv[1][0] == '-') {
-	fputs("Usage: test [port]                   -- server\n"
-	      "       test num.num.num.num [port]   -- client\n",
-	      stderr);
-	exit(1);
+        fputs("Usage: test [port]                   -- server\n"
+              "       test num.num.num.num [port]   -- client\n", stderr);
+        exit(1);
     }
 
     if (argc > 1) {
-	if (strchr(argv[1], '.')) {
-	    client_p = 1;
-	}
+        if (strchr(argv[1], '.')) {
+            client_p = 1;
+        }
     }
-    
+
     fputs(client_p ? "Client\n" : "Server\n", stderr);
-    
+
     {
-	struct tls_create_ctx_args a = tls_create_ctx_defaultargs();
-	a.client_p = client_p;
-	a.certificate_file = "cert.pem";
-	a.key_file = "cert.pem";
-	a.ca_file = "cacerts.pem";
-	
-	ctx = tls_create_ctx(a, NULL);
-	if (ctx == NULL)
-	    exit(1);
+        struct tls_create_ctx_args a = tls_create_ctx_defaultargs();
+        a.client_p = client_p;
+        a.certificate_file = "cert.pem";
+        a.key_file = "cert.pem";
+        a.ca_file = "cacerts.pem";
+
+        ctx = tls_create_ctx(a, NULL);
+        if (ctx == NULL)
+            exit(1);
     }
-    
+
     s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
     if (s == -1) {
-	perror("socket");
-	exit(1);
+        perror("socket");
+        exit(1);
     }
-    
+
     if (client_p) {
-	struct sockaddr_in addr;
-	size_t addr_len = sizeof addr;
-	    
-	addr.sin_family = AF_INET;
-	assert(argc > 1);
-	if (argc > 2)
-	    sscanf(argv[2], "%d", &port);
-	else
-	    port = C_PORT;
-	addr.sin_port = htons(port);
-	addr.sin_addr.s_addr = inet_addr(argv[1]);
-	    
-	r = connect(s, &addr, addr_len);
-	if (r != 0) {
-	    perror("connect");
-	    exit(1);
-	}
-	fd = s;
-	fprintf(stderr, "Connect (fd = %d).\n", fd);
+        struct sockaddr_in addr;
+        size_t addr_len = sizeof addr;
+
+        addr.sin_family = AF_INET;
+        assert(argc > 1);
+        if (argc > 2)
+            sscanf(argv[2], "%d", &port);
+        else
+            port = C_PORT;
+        addr.sin_port = htons(port);
+        addr.sin_addr.s_addr = inet_addr(argv[1]);
+
+        r = connect(s, &addr, addr_len);
+        if (r != 0) {
+            perror("connect");
+            exit(1);
+        }
+        fd = s;
+        fprintf(stderr, "Connect (fd = %d).\n", fd);
     } else {
-	/* server */
-	{
-	    int i = 1;
-
-	    r = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void *) &i, sizeof i);
-	    if (r == -1) {
-		perror("setsockopt");
-		exit(1);
-	    }
-	}
-	
-	{
-	    struct sockaddr_in addr;
-	    size_t addr_len = sizeof addr;
-	    
-	    if (argc > 1)
-		sscanf(argv[1], "%d", &port);
-	    else
-		port = L_PORT;
-	    addr.sin_family = AF_INET;
-	    addr.sin_port = htons(port);
-	    addr.sin_addr.s_addr = INADDR_ANY;
-	    
-	    r = bind(s, &addr, addr_len);
-	    if (r != 0) {
-		perror("bind");
-		exit(1);
-	    }
-	}
-    
-	r = listen(s, 1);
-	if (r == -1) {
-	    perror("listen");
-	    exit(1);
-	}
-
-	fprintf(stderr, "Listening at port %i.\n", port);
-	
-	fd = accept(s, NULL, 0);
-	if (fd == -1) {
-	    perror("accept");
-	    exit(1);
-	}
-	
-	fprintf(stderr, "Accept (fd = %d).\n", fd);
+        /* server */
+        {
+            int i = 1;
+
+            r = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void *)&i, sizeof i);
+            if (r == -1) {
+                perror("setsockopt");
+                exit(1);
+            }
+        }
+
+        {
+            struct sockaddr_in addr;
+            size_t addr_len = sizeof addr;
+
+            if (argc > 1)
+                sscanf(argv[1], "%d", &port);
+            else
+                port = L_PORT;
+            addr.sin_family = AF_INET;
+            addr.sin_port = htons(port);
+            addr.sin_addr.s_addr = INADDR_ANY;
+
+            r = bind(s, &addr, addr_len);
+            if (r != 0) {
+                perror("bind");
+                exit(1);
+            }
+        }
+
+        r = listen(s, 1);
+        if (r == -1) {
+            perror("listen");
+            exit(1);
+        }
+
+        fprintf(stderr, "Listening at port %i.\n", port);
+
+        fd = accept(s, NULL, 0);
+        if (fd == -1) {
+            perror("accept");
+            exit(1);
+        }
+
+        fprintf(stderr, "Accept (fd = %d).\n", fd);
     }
 
     conn_in = fdopen(fd, "r");
     if (conn_in == NULL) {
-	perror("fdopen");
-	exit(1);
+        perror("fdopen");
+        exit(1);
     }
     conn_out = fdopen(fd, "w");
     if (conn_out == NULL) {
-	perror("fdopen");
-	exit(1);
+        perror("fdopen");
+        exit(1);
     }
 
     setvbuf(conn_in, NULL, _IOLBF, 256);
     setvbuf(conn_out, NULL, _IOLBF, 256);
-	
+
     while (fgets(buf, sizeof buf, stdin) != NULL) {
-	if (buf[0] == 'W') {
-	    fprintf(conn_out, "%.*s\r\n", (int)(strlen(buf + 1) - 1), buf + 1);
-	    fprintf(stderr, ">>> %.*s\n", (int)(strlen(buf + 1) - 1), buf + 1);
-	} else if (buf[0] == 'C') {
-	    fprintf(stderr, "Closing.\n");
-	    fclose(conn_in);
-	    fclose(conn_out);
-	    exit(0);
-	} else if (buf[0] == 'R') {
-	    int lines = 0;
-
-	    sscanf(buf + 1, "%d", &lines);
-	    do {
-		if (fgets(buf, sizeof buf, conn_in) == NULL) {
-		    if (ferror(conn_in)) {
-			fprintf(stderr, "ERROR\n");
-			exit(1);
-		    }
-		    fprintf(stderr, "CLOSED\n");
-		    return 0;
-		}
-		fprintf(stderr, "<<< %s", buf);
-	    } while (--lines > 0);
-	} else if (buf[0] == 'T') {
-	    int infofd;
-
-	    tls++;
-	    {
-		struct tls_start_proxy_args a = tls_start_proxy_defaultargs();
-		a.fd = fd;
-		a.client_p = client_p;
-		a.ctx = ctx;
-		a.infofd = &infofd;
-		r = tls_start_proxy(a, NULL);
-	    }
-	    assert(r != 1);
-	    if (r != 0) {
-		fprintf(stderr, "tls_start_proxy failed: %d\n", r);
-		switch (r) {
-		case -1:
-		    fputs("socketpair", stderr); break;
-		case 2:
-		    fputs("FD_SETSIZE exceeded", stderr); break;
-		case -3:
-		    fputs("pipe", stderr); break;
-		case -4:
-		    fputs("fork", stderr); break;
-		case -5:
-		    fputs("dup2", stderr); break;
-		default:
-		    fputs("?", stderr);
-		}
-		if (r < 0)
-		    perror("");
-		else
-		    fputc('\n', stderr);
-		exit(1);
-	    }
-	    
-	    r = read(infofd, infobuf, sizeof infobuf - 1);
-	    if (r > 0) {
-		const char *info = infobuf;
-		const char *eol;
-		
-		infobuf[r] = '\0';
-		while ((eol = strchr(info, '\n')) != NULL) {
-		    fprintf(stderr, "+++ `%.*s'\n", eol - info, info);
-		    info = eol+1;
-		}
-		close (infofd);
-	    }
-	} else {
-	    fprintf(stderr, "W...  write line to network\n"
-		    "R[n]  read line (n lines) from network\n"
-		    "C     close\n"
-		    "T     start %sTLS proxy\n", tls ? "another " : "");
-	}
+        if (buf[0] == 'W') {
+            fprintf(conn_out, "%.*s\r\n", (int)(strlen(buf + 1) - 1),
+                    buf + 1);
+            fprintf(stderr, ">>> %.*s\n", (int)(strlen(buf + 1) - 1),
+                    buf + 1);
+        } else if (buf[0] == 'C') {
+            fprintf(stderr, "Closing.\n");
+            fclose(conn_in);
+            fclose(conn_out);
+            exit(0);
+        } else if (buf[0] == 'R') {
+            int lines = 0;
+
+            sscanf(buf + 1, "%d", &lines);
+            do {
+                if (fgets(buf, sizeof buf, conn_in) == NULL) {
+                    if (ferror(conn_in)) {
+                        fprintf(stderr, "ERROR\n");
+                        exit(1);
+                    }
+                    fprintf(stderr, "CLOSED\n");
+                    return 0;
+                }
+                fprintf(stderr, "<<< %s", buf);
+            } while (--lines > 0);
+        } else if (buf[0] == 'T') {
+            int infofd;
+
+            tls++;
+            {
+                struct tls_start_proxy_args a = tls_start_proxy_defaultargs();
+                a.fd = fd;
+                a.client_p = client_p;
+                a.ctx = ctx;
+                a.infofd = &infofd;
+                r = tls_start_proxy(a, NULL);
+            }
+            assert(r != 1);
+            if (r != 0) {
+                fprintf(stderr, "tls_start_proxy failed: %d\n", r);
+                switch (r) {
+                case -1:
+                    fputs("socketpair", stderr);
+                    break;
+                case 2:
+                    fputs("FD_SETSIZE exceeded", stderr);
+                    break;
+                case -3:
+                    fputs("pipe", stderr);
+                    break;
+                case -4:
+                    fputs("fork", stderr);
+                    break;
+                case -5:
+                    fputs("dup2", stderr);
+                    break;
+                default:
+                    fputs("?", stderr);
+                }
+                if (r < 0)
+                    perror("");
+                else
+                    fputc('\n', stderr);
+                exit(1);
+            }
+
+            r = read(infofd, infobuf, sizeof infobuf - 1);
+            if (r > 0) {
+                const char *info = infobuf;
+                const char *eol;
+
+                infobuf[r] = '\0';
+                while ((eol = strchr(info, '\n')) != NULL) {
+                    fprintf(stderr, "+++ `%.*s'\n", eol - info, info);
+                    info = eol + 1;
+                }
+                close(infofd);
+            }
+        } else {
+            fprintf(stderr, "W...  write line to network\n"
+                    "R[n]  read line (n lines) from network\n"
+                    "C     close\n"
+                    "T     start %sTLS proxy\n", tls ? "another " : "");
+        }
     }
     return 0;
 }
diff --git a/openssl/demos/easy_tls/test.h b/openssl/demos/easy_tls/test.h
index dda667843..a7d0130e2 100644
--- a/openssl/demos/easy_tls/test.h
+++ b/openssl/demos/easy_tls/test.h
@@ -1,7 +1,6 @@
 /* test.h */
 /* $Id: test.h,v 1.1 2001/09/17 19:07:00 bodo Exp $ */
 
-
 void test_process_init(int fd, int client_p, void *apparg);
 #define TLS_APP_PROCESS_INIT test_process_init
 
diff --git a/openssl/demos/engines/cluster_labs/cluster_labs.h b/openssl/demos/engines/cluster_labs/cluster_labs.h
index d0926796f..d024d91d7 100644
--- a/openssl/demos/engines/cluster_labs/cluster_labs.h
+++ b/openssl/demos/engines/cluster_labs/cluster_labs.h
@@ -1,35 +1,33 @@
 typedef int cl_engine_init(void);
 typedef int cl_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			const BIGNUM *m, BN_CTX *cgx);
+                       const BIGNUM *m, BN_CTX *cgx);
 typedef int cl_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
-		const BIGNUM *iqmp, BN_CTX *ctx);
+                           const BIGNUM *q, const BIGNUM *dmp1,
+                           const BIGNUM *dmq1, const BIGNUM *iqmp,
+                           BN_CTX *ctx);
 typedef int cl_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
 typedef int cl_rsa_pub_enc(int flen, const unsigned char *from,
-	     unsigned char *to, RSA *rsa, int padding);
+                           unsigned char *to, RSA *rsa, int padding);
 typedef int cl_rsa_pub_dec(int flen, const unsigned char *from,
-	     unsigned char *to, RSA *rsa, int padding);
-typedef int cl_rsa_priv_enc(int flen, const unsigned char *from, 
-		unsigned char *to, RSA *rsa, int padding);
-typedef int cl_rsa_priv_dec(int flen, const unsigned char *from, 
-		unsigned char *to, RSA *rsa, int padding);		
+                           unsigned char *to, RSA *rsa, int padding);
+typedef int cl_rsa_priv_enc(int flen, const unsigned char *from,
+                            unsigned char *to, RSA *rsa, int padding);
+typedef int cl_rsa_priv_dec(int flen, const unsigned char *from,
+                            unsigned char *to, RSA *rsa, int padding);
 typedef int cl_rand_bytes(unsigned char *buf, int num);
 typedef DSA_SIG *cl_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
 typedef int cl_dsa_verify(const unsigned char *dgst, int dgst_len,
-				DSA_SIG *sig, DSA *dsa);
-
+                          DSA_SIG *sig, DSA *dsa);
 
 static const char *CLUSTER_LABS_LIB_NAME = "cluster_labs";
-static const char *CLUSTER_LABS_F1	 = "hw_engine_init";
-static const char *CLUSTER_LABS_F2	 = "hw_mod_exp";
-static const char *CLUSTER_LABS_F3	 = "hw_mod_exp_crt";
-static const char *CLUSTER_LABS_F4	 = "hw_rsa_mod_exp";
-static const char *CLUSTER_LABS_F5	 = "hw_rsa_priv_enc";
-static const char *CLUSTER_LABS_F6	 = "hw_rsa_priv_dec";
-static const char *CLUSTER_LABS_F7	 = "hw_rsa_pub_enc";
-static const char *CLUSTER_LABS_F8	 = "hw_rsa_pub_dec";
-static const char *CLUSTER_LABS_F20	 = "hw_rand_bytes";
-static const char *CLUSTER_LABS_F30	 = "hw_dsa_sign";
-static const char *CLUSTER_LABS_F31	 = "hw_dsa_verify";
-
-
+static const char *CLUSTER_LABS_F1 = "hw_engine_init";
+static const char *CLUSTER_LABS_F2 = "hw_mod_exp";
+static const char *CLUSTER_LABS_F3 = "hw_mod_exp_crt";
+static const char *CLUSTER_LABS_F4 = "hw_rsa_mod_exp";
+static const char *CLUSTER_LABS_F5 = "hw_rsa_priv_enc";
+static const char *CLUSTER_LABS_F6 = "hw_rsa_priv_dec";
+static const char *CLUSTER_LABS_F7 = "hw_rsa_pub_enc";
+static const char *CLUSTER_LABS_F8 = "hw_rsa_pub_dec";
+static const char *CLUSTER_LABS_F20 = "hw_rand_bytes";
+static const char *CLUSTER_LABS_F30 = "hw_dsa_sign";
+static const char *CLUSTER_LABS_F31 = "hw_dsa_verify";
diff --git a/openssl/demos/engines/cluster_labs/hw_cluster_labs.c b/openssl/demos/engines/cluster_labs/hw_cluster_labs.c
index 036f48baf..c58e548f1 100644
--- a/openssl/demos/engines/cluster_labs/hw_cluster_labs.c
+++ b/openssl/demos/engines/cluster_labs/hw_cluster_labs.c
@@ -1,6 +1,7 @@
 /* crypto/engine/hw_cluster_labs.c */
-/* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com
- * for the OpenSSL project 2000.
+/*
+ * Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com for the
+ * OpenSSL project 2000.
  */
 /* ====================================================================
  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
@@ -10,7 +11,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -56,7 +57,7 @@
  *
  */
 
-#define MSC_VER   /* only used cryptic.h */
+#define MSC_VER                 /* only used cryptic.h */
 
 #include <stdio.h>
 #include <openssl/crypto.h>
@@ -65,608 +66,579 @@
 #include <openssl/engine.h>
 
 #ifndef NO_HW
-#ifndef NO_HW_CLUSTER_LABS
+# ifndef NO_HW_CLUSTER_LABS
 
-#ifdef FLAT_INC
-#include "cluster_labs.h"
-#else
-#include "vendor_defns/cluster_labs.h"
-#endif
-
-#define CL_LIB_NAME "cluster_labs engine"
-#include "hw_cluster_labs_err.c"
+#  ifdef FLAT_INC
+#   include "cluster_labs.h"
+#  else
+#   include "vendor_defns/cluster_labs.h"
+#  endif
 
+#  define CL_LIB_NAME "cluster_labs engine"
+#  include "hw_cluster_labs_err.c"
 
 static int cluster_labs_destroy(ENGINE *e);
 static int cluster_labs_init(ENGINE *e);
 static int cluster_labs_finish(ENGINE *e);
-static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
-
+static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p,
+                             void (*f) ());
 
 /* BIGNUM stuff */
 /* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-		
+static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a,
+                                     const BIGNUM *p, const BIGNUM *m,
+                                     BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+
 /* RSA stuff */
-#ifndef OPENSSL_NO_RSA
+#  ifndef OPENSSL_NO_RSA
 static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
-	     unsigned char *to, RSA *rsa, int padding);
+                                    unsigned char *to, RSA *rsa, int padding);
 static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
-	     unsigned char *to, RSA *rsa, int padding);
-static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
-		unsigned char *to, RSA *rsa, int padding);
-static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
-		unsigned char *to, RSA *rsa, int padding);
+                                    unsigned char *to, RSA *rsa, int padding);
+static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
+                                     unsigned char *to, RSA *rsa,
+                                     int padding);
+static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
+                                     unsigned char *to, RSA *rsa,
+                                     int padding);
 static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
-#endif
+#  endif
 
 /* DSA stuff */
-#ifndef OPENSSL_NO_DSA
-static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+#  ifndef OPENSSL_NO_DSA
+static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen,
+                                      DSA *dsa);
 static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
-				DSA_SIG *sig, DSA *dsa);
+                                   DSA_SIG *sig, DSA *dsa);
 static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
-		BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
-		BN_CTX *ctx, BN_MONT_CTX *in_mont);
+                                    BIGNUM *p1, BIGNUM *a2, BIGNUM *p2,
+                                    BIGNUM *m, BN_CTX *ctx,
+                                    BN_MONT_CTX *in_mont);
 static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
-		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx);
-#endif
-								
+                                    const BIGNUM *p, const BIGNUM *m,
+                                    BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+#  endif
+
 /* DH stuff */
-#ifndef OPENSSL_NO_DH
+#  ifndef OPENSSL_NO_DH
 /* This function is alised to mod_exp (with the DH and mont dropped). */
-static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-#endif
-		
-/* RANDOM stuff */						
+static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
+                                   const BIGNUM *p, const BIGNUM *m,
+                                   BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+#  endif
+
+/* RANDOM stuff */
 static int cluster_labs_rand_bytes(unsigned char *buf, int num);
 
 /* The definitions for control commands specific to this engine */
-#define CLUSTER_LABS_CMD_SO_PATH		ENGINE_CMD_BASE
-static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] =
-	{
-	{ CLUSTER_LABS_CMD_SO_PATH,
-	  "SO_PATH",
-	  "Specifies the path to the 'cluster labs' shared library",
-	  ENGINE_CMD_FLAG_STRING
-	},
-	{0, NULL, NULL, 0}
-	};
+#  define CLUSTER_LABS_CMD_SO_PATH                ENGINE_CMD_BASE
+static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] = {
+    {CLUSTER_LABS_CMD_SO_PATH,
+     "SO_PATH",
+     "Specifies the path to the 'cluster labs' shared library",
+     ENGINE_CMD_FLAG_STRING},
+    {0, NULL, NULL, 0}
+};
 
 /* Our internal RSA_METHOD that we provide pointers to */
-#ifndef OPENSSL_NO_RSA
-static RSA_METHOD cluster_labs_rsa =
-	{
-	"Cluster Labs RSA method",
-	cluster_labs_rsa_pub_enc,	/* rsa_pub_enc */
-	cluster_labs_rsa_pub_dec,	/* rsa_pub_dec */
-	cluster_labs_rsa_priv_enc,	/* rsa_priv_enc */
-	cluster_labs_rsa_priv_dec,	/* rsa_priv_dec */
-	cluster_labs_rsa_mod_exp,	/* rsa_mod_exp */
-	cluster_labs_mod_exp_mont,	/* bn_mod_exp */
-	NULL,				/* init */
-	NULL,				/* finish */
-	0, 				/* flags */
-	NULL,				/* apps_data */
-	NULL,				/* rsa_sign */
-	NULL				/* rsa_verify */
-	};
-#endif
+#  ifndef OPENSSL_NO_RSA
+static RSA_METHOD cluster_labs_rsa = {
+    "Cluster Labs RSA method",
+    cluster_labs_rsa_pub_enc,   /* rsa_pub_enc */
+    cluster_labs_rsa_pub_dec,   /* rsa_pub_dec */
+    cluster_labs_rsa_priv_enc,  /* rsa_priv_enc */
+    cluster_labs_rsa_priv_dec,  /* rsa_priv_dec */
+    cluster_labs_rsa_mod_exp,   /* rsa_mod_exp */
+    cluster_labs_mod_exp_mont,  /* bn_mod_exp */
+    NULL,                       /* init */
+    NULL,                       /* finish */
+    0,                          /* flags */
+    NULL,                       /* apps_data */
+    NULL,                       /* rsa_sign */
+    NULL                        /* rsa_verify */
+};
+#  endif
 
 /* Our internal DSA_METHOD that we provide pointers to */
-#ifndef OPENSSL_NO_DSA
-static DSA_METHOD cluster_labs_dsa =
-	{
-	"Cluster Labs DSA method",
-	cluster_labs_dsa_sign,  	/* dsa_do_sign */
-	NULL, 				/* dsa_sign_setup */
-	cluster_labs_dsa_verify,	/* dsa_do_verify */
-	cluster_labs_dsa_mod_exp, 	/* dsa_mod_exp */
-	cluster_labs_mod_exp_dsa, 	/* bn_mod_exp */
-	NULL, 				/* init */
-	NULL, 				/* finish */
-	0, 				/* flags */
-	NULL 				/* app_data */
-	};
-#endif	
+#  ifndef OPENSSL_NO_DSA
+static DSA_METHOD cluster_labs_dsa = {
+    "Cluster Labs DSA method",
+    cluster_labs_dsa_sign,      /* dsa_do_sign */
+    NULL,                       /* dsa_sign_setup */
+    cluster_labs_dsa_verify,    /* dsa_do_verify */
+    cluster_labs_dsa_mod_exp,   /* dsa_mod_exp */
+    cluster_labs_mod_exp_dsa,   /* bn_mod_exp */
+    NULL,                       /* init */
+    NULL,                       /* finish */
+    0,                          /* flags */
+    NULL                        /* app_data */
+};
+#  endif
 
 /* Our internal DH_METHOD that we provide pointers to */
-#ifndef OPENSSL_NO_DH
-static DH_METHOD cluster_labs_dh =
-	{
-	"Cluster Labs DH method",
-	NULL,				/* generate key */
-	NULL,				/* compute key */
-	cluster_labs_mod_exp_dh,	/* bn_mod_exp */
-	NULL,				/* init */
-	NULL,				/* finish */
-	0,				/* flags */
-	NULL				/* app_data */
-	};
-#endif	
-	
-static RAND_METHOD cluster_labs_rand =
-	{
-	/* "Cluster Labs RAND method", */
-	NULL,				/* seed */
-	cluster_labs_rand_bytes,	/* bytes */
-	NULL,				/* cleanup */
-	NULL,				/* add */
-	cluster_labs_rand_bytes,	/* pseudorand */
-	NULL,				/* status */
-	};	
+#  ifndef OPENSSL_NO_DH
+static DH_METHOD cluster_labs_dh = {
+    "Cluster Labs DH method",
+    NULL,                       /* generate key */
+    NULL,                       /* compute key */
+    cluster_labs_mod_exp_dh,    /* bn_mod_exp */
+    NULL,                       /* init */
+    NULL,                       /* finish */
+    0,                          /* flags */
+    NULL                        /* app_data */
+};
+#  endif
+
+static RAND_METHOD cluster_labs_rand = {
+    /* "Cluster Labs RAND method", */
+    NULL,                       /* seed */
+    cluster_labs_rand_bytes,    /* bytes */
+    NULL,                       /* cleanup */
+    NULL,                       /* add */
+    cluster_labs_rand_bytes,    /* pseudorand */
+    NULL,                       /* status */
+};
 
 static const char *engine_cluster_labs_id = "cluster_labs";
-static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support";
+static const char *engine_cluster_labs_name =
+    "Cluster Labs hardware engine support";
 
 /* engine implementation */
-/*-----------------------*/
+/* ---------------------*/
 static int bind_helper(ENGINE *e)
-	{
-	
-	if(!ENGINE_set_id(e, engine_cluster_labs_id) ||
-			!ENGINE_set_name(e, engine_cluster_labs_name) ||
-#ifndef OPENSSL_NO_RSA
-			!ENGINE_set_RSA(e, &cluster_labs_rsa) ||
-#endif
-#ifndef OPENSSL_NO_DSA
-			!ENGINE_set_DSA(e, &cluster_labs_dsa) ||
-#endif
-#ifndef OPENSSL_NO_DH
-			!ENGINE_set_DH(e, &cluster_labs_dh) ||
-#endif
-			!ENGINE_set_RAND(e, &cluster_labs_rand) ||
-			!ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
-			!ENGINE_set_init_function(e, cluster_labs_init) ||
-			!ENGINE_set_finish_function(e, cluster_labs_finish) ||
-			!ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
-			!ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
-		return 0;
-	/* Ensure the error handling is set up */
-	ERR_load_CL_strings();
-	return 1;
-	}
-	
-#ifndef ENGINE_DYNAMIC_SUPPORT
+{
+
+    if (!ENGINE_set_id(e, engine_cluster_labs_id) ||
+        !ENGINE_set_name(e, engine_cluster_labs_name) ||
+#  ifndef OPENSSL_NO_RSA
+        !ENGINE_set_RSA(e, &cluster_labs_rsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DSA
+        !ENGINE_set_DSA(e, &cluster_labs_dsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DH
+        !ENGINE_set_DH(e, &cluster_labs_dh) ||
+#  endif
+        !ENGINE_set_RAND(e, &cluster_labs_rand) ||
+        !ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
+        !ENGINE_set_init_function(e, cluster_labs_init) ||
+        !ENGINE_set_finish_function(e, cluster_labs_finish) ||
+        !ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
+        !ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
+        return 0;
+    /* Ensure the error handling is set up */
+    ERR_load_CL_strings();
+    return 1;
+}
+
+#  ifndef ENGINE_DYNAMIC_SUPPORT
 static ENGINE *engine_cluster_labs(void)
-	{
-	ENGINE *ret = ENGINE_new();
-
-	if(!ret)
-		return NULL;
-	if(!bind_helper(ret))
-		{
-		ENGINE_free(ret);
-		return NULL;
-		}
-	return ret;
-	}
-
-#ifdef ENGINE_DYNAMIC_SUPPORT
+{
+    ENGINE *ret = ENGINE_new();
+
+    if (!ret)
+        return NULL;
+    if (!bind_helper(ret)) {
+        ENGINE_free(ret);
+        return NULL;
+    }
+    return ret;
+}
+
+#   ifdef ENGINE_DYNAMIC_SUPPORT
 static
-#endif
+#   endif
 void ENGINE_load_cluster_labs(void)
-	{
+{
 
-	ENGINE *cluster_labs = engine_cluster_labs();
-	
-	if(!cluster_labs) return;
-	ENGINE_add(cluster_labs);
-	ENGINE_free(cluster_labs);
-	ERR_clear_error();
-	}
-#endif /* !ENGINE_DYNAMIC_SUPPORT */
+    ENGINE *cluster_labs = engine_cluster_labs();
 
-static int cluster_labs_destroy(ENGINE *e)
-	{
-	
-	ERR_unload_CL_strings();
-	return 1;
-	}
+    if (!cluster_labs)
+        return;
+    ENGINE_add(cluster_labs);
+    ENGINE_free(cluster_labs);
+    ERR_clear_error();
+}
+#  endif                        /* !ENGINE_DYNAMIC_SUPPORT */
 
+static int cluster_labs_destroy(ENGINE *e)
+{
 
+    ERR_unload_CL_strings();
+    return 1;
+}
 
-/* This is a process-global DSO handle used for loading and unloading
- * the Cluster Labs library. NB: This is only set (or unset) during an
- * init() or finish() call (reference counts permitting) and they're
- * operating with global locks, so this should be thread-safe
- * implicitly. */
+/*
+ * This is a process-global DSO handle used for loading and unloading the
+ * Cluster Labs library. NB: This is only set (or unset) during an init() or
+ * finish() call (reference counts permitting) and they're operating with
+ * global locks, so this should be thread-safe implicitly.
+ */
 static DSO *cluster_labs_dso = NULL;
 
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
-static cl_engine_init	  	*p_cl_engine_init 		 = NULL;
-static cl_mod_exp	 	*p_cl_mod_exp 			 = NULL;
-static cl_mod_exp_crt		*p_cl_mod_exp_crt 		 = NULL;
-static cl_rsa_mod_exp		*p_cl_rsa_mod_exp 		 = NULL;
-static cl_rsa_priv_enc		*p_cl_rsa_priv_enc 		 = NULL;
-static cl_rsa_priv_dec		*p_cl_rsa_priv_dec 		 = NULL;
-static cl_rsa_pub_enc		*p_cl_rsa_pub_enc 		 = NULL;
-static cl_rsa_pub_dec		*p_cl_rsa_pub_dec 		 = NULL;
-static cl_rand_bytes		*p_cl_rand_bytes	 	 = NULL;
-static cl_dsa_sign		*p_cl_dsa_sign		 	 = NULL;
-static cl_dsa_verify		*p_cl_dsa_verify	 	 = NULL;
-
+/*
+ * These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded.
+ */
+static cl_engine_init *p_cl_engine_init = NULL;
+static cl_mod_exp *p_cl_mod_exp = NULL;
+static cl_mod_exp_crt *p_cl_mod_exp_crt = NULL;
+static cl_rsa_mod_exp *p_cl_rsa_mod_exp = NULL;
+static cl_rsa_priv_enc *p_cl_rsa_priv_enc = NULL;
+static cl_rsa_priv_dec *p_cl_rsa_priv_dec = NULL;
+static cl_rsa_pub_enc *p_cl_rsa_pub_enc = NULL;
+static cl_rsa_pub_dec *p_cl_rsa_pub_dec = NULL;
+static cl_rand_bytes *p_cl_rand_bytes = NULL;
+static cl_dsa_sign *p_cl_dsa_sign = NULL;
+static cl_dsa_verify *p_cl_dsa_verify = NULL;
 
 int cluster_labs_init(ENGINE *e)
-	{
-
-	cl_engine_init			*p1;
-	cl_mod_exp			*p2;
-	cl_mod_exp_crt			*p3;
-	cl_rsa_mod_exp			*p4;
-	cl_rsa_priv_enc			*p5;
-	cl_rsa_priv_dec			*p6;	
-	cl_rsa_pub_enc			*p7;
-	cl_rsa_pub_dec			*p8;
-	cl_rand_bytes			*p20;
-	cl_dsa_sign			*p30;	
-	cl_dsa_verify			*p31;		
-	
-	/* engine already loaded */
-	if(cluster_labs_dso != NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED);
-		goto err;
-		}
-	/* try to load engine	 */	
-	cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0);
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
-		goto err;
-		}
-	/* bind functions */
-	if(	!(p1 = (cl_engine_init *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F1)) ||
-		!(p2 = (cl_mod_exp *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F2)) ||			
-		!(p3 = (cl_mod_exp_crt *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F3)) ||				
-		!(p4 = (cl_rsa_mod_exp *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F4)) ||				
-		!(p5 = (cl_rsa_priv_enc *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F5)) ||
-		!(p6 = (cl_rsa_priv_dec *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F6)) ||
-		!(p7 = (cl_rsa_pub_enc *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F7)) ||
-		!(p8 = (cl_rsa_pub_dec *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F8)) ||
-		!(p20= (cl_rand_bytes *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F20)) ||
-		!(p30= (cl_dsa_sign *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F30)) ||
-		!(p31= (cl_dsa_verify *)DSO_bind_func(
-				cluster_labs_dso, CLUSTER_LABS_F31)))
-		{
-		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
-		goto err;
-		}
-		
-	/* copy function pointers */
-	p_cl_engine_init		= p1;
-	p_cl_mod_exp			= p2;
-	p_cl_mod_exp_crt		= p3;	
-	p_cl_rsa_mod_exp 		= p4;
-	p_cl_rsa_priv_enc	 	= p5;
-	p_cl_rsa_priv_dec	 	= p6;
-	p_cl_rsa_pub_enc	 	= p7;
-	p_cl_rsa_pub_dec	 	= p8;
-	p_cl_rand_bytes			= p20;	
-	p_cl_dsa_sign			= p30;
-	p_cl_dsa_verify			= p31;	
-	
-	
-	
-	/* cluster labs engine init */
-	if(p_cl_engine_init()== 0){
-		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);		
-		goto err;
-	}
-
-	return(1);
-
-err:	
-	/* reset all pointers */
-	if(cluster_labs_dso)
-		DSO_free(cluster_labs_dso);
-
-	cluster_labs_dso		= NULL;
-	p_cl_engine_init		= NULL;	
-	p_cl_mod_exp			= NULL;
-	p_cl_mod_exp_crt		= NULL;
-	p_cl_rsa_mod_exp		= NULL;
-	p_cl_rsa_priv_enc		= NULL;
-	p_cl_rsa_priv_dec		= NULL;	
-	p_cl_rsa_pub_enc		= NULL;
-	p_cl_rsa_pub_dec		= NULL;	
-	p_cl_rand_bytes			= NULL;	
-	p_cl_dsa_sign			= NULL;
-	p_cl_dsa_verify			= NULL;	
-	
-	return(0);
-	}
-	
+{
+
+    cl_engine_init *p1;
+    cl_mod_exp *p2;
+    cl_mod_exp_crt *p3;
+    cl_rsa_mod_exp *p4;
+    cl_rsa_priv_enc *p5;
+    cl_rsa_priv_dec *p6;
+    cl_rsa_pub_enc *p7;
+    cl_rsa_pub_dec *p8;
+    cl_rand_bytes *p20;
+    cl_dsa_sign *p30;
+    cl_dsa_verify *p31;
+
+    /* engine already loaded */
+    if (cluster_labs_dso != NULL) {
+        CLerr(CL_F_CLUSTER_LABS_INIT, CL_R_ALREADY_LOADED);
+        goto err;
+    }
+    /* try to load engine    */
+    cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL, 0);
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_INIT, CL_R_DSO_FAILURE);
+        goto err;
+    }
+    /* bind functions */
+    if (!
+        (p1 =
+         (cl_engine_init *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F1))
+|| !(p2 = (cl_mod_exp *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F2))
+|| !(p3 = (cl_mod_exp_crt *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F3))
+|| !(p4 = (cl_rsa_mod_exp *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F4))
+|| !(p5 =
+     (cl_rsa_priv_enc *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F5))
+|| !(p6 =
+     (cl_rsa_priv_dec *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F6))
+|| !(p7 = (cl_rsa_pub_enc *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F7))
+|| !(p8 = (cl_rsa_pub_dec *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F8))
+|| !(p20 =
+     (cl_rand_bytes *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F20))
+|| !(p30 = (cl_dsa_sign *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F30))
+|| !(p31 =
+     (cl_dsa_verify *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F31))) {
+        CLerr(CL_F_CLUSTER_LABS_INIT, CL_R_DSO_FAILURE);
+        goto err;
+    }
+
+    /* copy function pointers */
+    p_cl_engine_init = p1;
+    p_cl_mod_exp = p2;
+    p_cl_mod_exp_crt = p3;
+    p_cl_rsa_mod_exp = p4;
+    p_cl_rsa_priv_enc = p5;
+    p_cl_rsa_priv_dec = p6;
+    p_cl_rsa_pub_enc = p7;
+    p_cl_rsa_pub_dec = p8;
+    p_cl_rand_bytes = p20;
+    p_cl_dsa_sign = p30;
+    p_cl_dsa_verify = p31;
+
+    /* cluster labs engine init */
+    if (p_cl_engine_init() == 0) {
+        CLerr(CL_F_CLUSTER_LABS_INIT, CL_R_INIT_FAILED);
+        goto err;
+    }
+
+    return (1);
+
+ err:
+    /* reset all pointers */
+    if (cluster_labs_dso)
+        DSO_free(cluster_labs_dso);
+
+    cluster_labs_dso = NULL;
+    p_cl_engine_init = NULL;
+    p_cl_mod_exp = NULL;
+    p_cl_mod_exp_crt = NULL;
+    p_cl_rsa_mod_exp = NULL;
+    p_cl_rsa_priv_enc = NULL;
+    p_cl_rsa_priv_dec = NULL;
+    p_cl_rsa_pub_enc = NULL;
+    p_cl_rsa_pub_dec = NULL;
+    p_cl_rand_bytes = NULL;
+    p_cl_dsa_sign = NULL;
+    p_cl_dsa_verify = NULL;
+
+    return (0);
+}
 
 static int cluster_labs_finish(ENGINE *e)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
-		return 0;
-		}
-	if(!DSO_free(cluster_labs_dso))
-		{
-		CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
-		return 0;
-		}
-		
-	cluster_labs_dso 		= NULL;
-	p_cl_engine_init		= NULL;		
-	p_cl_mod_exp			= NULL;
-	p_cl_rsa_mod_exp		= NULL;	
-	p_cl_mod_exp_crt		= NULL;	
-	p_cl_rsa_priv_enc		= NULL;	
-	p_cl_rsa_priv_dec		= NULL;	
-	p_cl_rsa_pub_enc		= NULL;
-	p_cl_rsa_pub_dec		= NULL;	
-	p_cl_rand_bytes			= NULL;		
-	p_cl_dsa_sign			= NULL;
-	p_cl_dsa_verify			= NULL;	
-	
-	return(1);	
-	
-	}
-	
-static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
-	{
-	int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
-
-	switch(cmd)
-		{
-	case CLUSTER_LABS_CMD_SO_PATH:
-		if(p == NULL)
-			{
-			CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
-			return 0;
-			}
-		if(initialised)
-			{
-			CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
-			return 0;
-			}
-		CLUSTER_LABS_LIB_NAME = (const char *)p;
-		return 1;
-	default:
-		break;
-		}
-	CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
-	return 0;
-	}
-	
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_FINISH, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (!DSO_free(cluster_labs_dso)) {
+        CLerr(CL_F_CLUSTER_LABS_FINISH, CL_R_DSO_FAILURE);
+        return 0;
+    }
+
+    cluster_labs_dso = NULL;
+    p_cl_engine_init = NULL;
+    p_cl_mod_exp = NULL;
+    p_cl_rsa_mod_exp = NULL;
+    p_cl_mod_exp_crt = NULL;
+    p_cl_rsa_priv_enc = NULL;
+    p_cl_rsa_priv_dec = NULL;
+    p_cl_rsa_pub_enc = NULL;
+    p_cl_rsa_pub_dec = NULL;
+    p_cl_rand_bytes = NULL;
+    p_cl_dsa_sign = NULL;
+    p_cl_dsa_verify = NULL;
+
+    return (1);
+
+}
+
+static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p,
+                             void (*f) ())
+{
+    int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
+
+    switch (cmd) {
+    case CLUSTER_LABS_CMD_SO_PATH:
+        if (p == NULL) {
+            CLerr(CL_F_CLUSTER_LABS_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+            return 0;
+        }
+        if (initialised) {
+            CLerr(CL_F_CLUSTER_LABS_CTRL, CL_R_ALREADY_LOADED);
+            return 0;
+        }
+        CLUSTER_LABS_LIB_NAME = (const char *)p;
+        return 1;
+    default:
+        break;
+    }
+    CLerr(CL_F_CLUSTER_LABS_CTRL, CL_R_COMMAND_NOT_IMPLEMENTED);
+    return 0;
+}
 
 static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
-		return 0;
-		}	
-	if(p_cl_mod_exp == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
-		return 0;
-		}
-
-	return	p_cl_mod_exp(r, a, p, m, ctx);
-
-	}
-	
+                                const BIGNUM *m, BN_CTX *ctx)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_MOD_EXP, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_mod_exp == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_MOD_EXP, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_mod_exp(r, a, p, m, ctx);
+
+}
+
 static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
-		const BIGNUM *iqmp, BN_CTX *ctx)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_mod_exp_crt == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);		
-		return 0;
-		}
-	
-	return	p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
-	
-	}
-	
+                                    const BIGNUM *q, const BIGNUM *dmp1,
+                                    const BIGNUM *dmq1, const BIGNUM *iqmp,
+                                    BN_CTX *ctx)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_mod_exp_crt == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_mod_exp_crt(r, a, p, q, dmp1, dmq1, iqmp, ctx);
+
+}
+
 static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_rsa_mod_exp == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-
-	return p_cl_rsa_mod_exp(r0, I, rsa);
-
-	}
-	
-static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_dsa_sign == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-
-	return p_cl_dsa_sign(dgst, dlen, dsa);
-	
-	}
-	
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_rsa_mod_exp == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_rsa_mod_exp(r0, I, rsa);
+
+}
+
+static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen,
+                                      DSA *dsa)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_DSA_SIGN, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_dsa_sign == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_DSA_SIGN, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_dsa_sign(dgst, dlen, dsa);
+
+}
+
 static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
-				DSA_SIG *sig, DSA *dsa)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	
-	if(p_cl_dsa_verify == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-
-	return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
-	
-	}			
+                                   DSA_SIG *sig, DSA *dsa)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY, CL_R_NOT_LOADED);
+        return 0;
+    }
+
+    if (p_cl_dsa_verify == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
+
+}
 
 static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
-		BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
-		BN_CTX *ctx, BN_MONT_CTX *in_mont)
-	{
-	BIGNUM t;
-	int status = 0;
-		
-	BN_init(&t);
-	/* let rr = a1 ^ p1 mod m */
-	if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
-	/* let t = a2 ^ p2 mod m */
-	if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end;
-	/* let rr = rr * t mod m */
-	if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
-	status = 1;
-end:
-	BN_free(&t);
-	
-	return(1);
-
-	}
+                                    BIGNUM *p1, BIGNUM *a2, BIGNUM *p2,
+                                    BIGNUM *m, BN_CTX *ctx,
+                                    BN_MONT_CTX *in_mont)
+{
+    BIGNUM t;
+    int status = 0;
+
+    BN_init(&t);
+    /* let rr = a1 ^ p1 mod m */
+    if (!cluster_labs_mod_exp(rr, a1, p1, m, ctx))
+        goto end;
+    /* let t = a2 ^ p2 mod m */
+    if (!cluster_labs_mod_exp(&t, a2, p2, m, ctx))
+        goto end;
+    /* let rr = rr * t mod m */
+    if (!BN_mod_mul(rr, rr, &t, m, ctx))
+        goto end;
+    status = 1;
+ end:
+    BN_free(&t);
+
+    return (1);
+
+}
 
 static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
-		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx)
-	{
-	return 	cluster_labs_mod_exp(r, a, p, m, ctx);
-	}
-	
+                                    const BIGNUM *p, const BIGNUM *m,
+                                    BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+    return cluster_labs_mod_exp(r, a, p, m, ctx);
+}
+
 /* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-	{
-	return	cluster_labs_mod_exp(r, a, p, m, ctx);
-	}
-	
+static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a,
+                                     const BIGNUM *p, const BIGNUM *m,
+                                     BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+    return cluster_labs_mod_exp(r, a, p, m, ctx);
+}
 
 /* This function is aliased to mod_exp (with the dh and mont dropped). */
-static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-	{
-	return 	cluster_labs_mod_exp(r, a, p, m, ctx);
-	}
-
+static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
+                                   const BIGNUM *p, const BIGNUM *m,
+                                   BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+    return cluster_labs_mod_exp(r, a, p, m, ctx);
+}
 
 static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
-	     unsigned char *to, RSA *rsa, int padding)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_rsa_priv_enc == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-		
-	return 	p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
-	
-	}  
-	     
+                                    unsigned char *to, RSA *rsa, int padding)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_rsa_priv_enc == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
+
+}
+
 static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
-	     unsigned char *to, RSA *rsa, int padding)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_rsa_priv_enc == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-		
-	return 	p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
-	
-	}  
-
-
-static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
-		unsigned char *to, RSA *rsa, int padding)
-	{
-
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);		
-		return 0;
-		}
-
-	if(p_cl_rsa_priv_enc == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-		
-	return 	p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
-	
-	}  
-
-static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
-		unsigned char *to, RSA *rsa, int padding)
-	{
-	
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_rsa_priv_dec == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
-
-	return 	p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
-		
-	}  
+                                    unsigned char *to, RSA *rsa, int padding)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_rsa_priv_enc == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
+
+}
+
+static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
+                                     unsigned char *to, RSA *rsa, int padding)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC, CL_R_NOT_LOADED);
+        return 0;
+    }
+
+    if (p_cl_rsa_priv_enc == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
+
+}
+
+static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
+                                     unsigned char *to, RSA *rsa, int padding)
+{
+
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_rsa_priv_dec == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
+
+    return p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
+
+}
 
 /************************************************************************************
 * Symmetric algorithms
@@ -677,45 +649,44 @@ static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
 * Random generator
 ************************************************************************************/
 
-static int cluster_labs_rand_bytes(unsigned char *buf, int num){
+static int cluster_labs_rand_bytes(unsigned char *buf, int num)
+{
 
-	if(cluster_labs_dso == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);		
-		return 0;
-		}
-	if(p_cl_mod_exp_crt == NULL)
-		{
-		CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);				
-		return 0;
-		}
+    if (cluster_labs_dso == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RAND_BYTES, CL_R_NOT_LOADED);
+        return 0;
+    }
+    if (p_cl_mod_exp_crt == NULL) {
+        CLerr(CL_F_CLUSTER_LABS_RAND_BYTES, CL_R_FUNCTION_NOT_BINDED);
+        return 0;
+    }
 
-	return 	p_cl_rand_bytes(buf, num);
+    return p_cl_rand_bytes(buf, num);
 
 }
 
-
-/* This stuff is needed if this ENGINE is being compiled into a self-contained
- * shared-library. */
-#ifdef ENGINE_DYNAMIC_SUPPORT
+/*
+ * This stuff is needed if this ENGINE is being compiled into a
+ * self-contained shared-library.
+ */
+#  ifdef ENGINE_DYNAMIC_SUPPORT
 static int bind_fn(ENGINE *e, const char *id)
-	{
-	fprintf(stderr, "bind_fn CLUSTER_LABS\n");
-	if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
-		fprintf(stderr, "bind_fn return(0) first\n");
-		return 0;
-		}
-	if(!bind_helper(e)) {
-		fprintf(stderr, "bind_fn return(1) first\n");
-		return 0;
-		}
-	fprintf(stderr, "bind_fn return(1)\n");		
-	return 1;
-	}
-IMPLEMENT_DYNAMIC_CHECK_FN()
-IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
-#endif /* ENGINE_DYNAMIC_SUPPORT */
-						
-#endif /* !NO_HW_CLUSTER_LABS */
-#endif /* !NO_HW */
+{
+    fprintf(stderr, "bind_fn CLUSTER_LABS\n");
+    if (id && (strcmp(id, engine_cluster_labs_id) != 0)) {
+        fprintf(stderr, "bind_fn return(0) first\n");
+        return 0;
+    }
+    if (!bind_helper(e)) {
+        fprintf(stderr, "bind_fn return(1) first\n");
+        return 0;
+    }
+    fprintf(stderr, "bind_fn return(1)\n");
+    return 1;
+}
 
+IMPLEMENT_DYNAMIC_CHECK_FN()
+    IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+#  endif                        /* ENGINE_DYNAMIC_SUPPORT */
+# endif                         /* !NO_HW_CLUSTER_LABS */
+#endif                          /* !NO_HW */
diff --git a/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.c b/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.c
index a7fa4083b..9e8332513 100644
--- a/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.c
+++ b/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,7 +53,8 @@
  *
  */
 
-/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
  * made to it will be overwritten when the script next updates this file,
  * only reason strings will be preserved.
  */
@@ -64,88 +65,88 @@
 
 /* BEGIN ERROR CODES */
 #ifndef OPENSSL_NO_ERR
-static ERR_STRING_DATA CL_str_functs[]=
-	{
-{ERR_PACK(0,CL_F_CLUSTER_LABS_CTRL,0),	"CLUSTER_LABS_CTRL"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_DSA_SIGN,0),	"CLUSTER_LABS_DSA_SIGN"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_DSA_VERIFY,0),	"CLUSTER_LABS_DSA_VERIFY"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_FINISH,0),	"CLUSTER_LABS_FINISH"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_INIT,0),	"CLUSTER_LABS_INIT"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_MOD_EXP,0),	"CLUSTER_LABS_MOD_EXP"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_MOD_EXP_CRT,0),	"CLUSTER_LABS_MOD_EXP_CRT"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_RAND_BYTES,0),	"CLUSTER_LABS_RAND_BYTES"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_MOD_EXP,0),	"CLUSTER_LABS_RSA_MOD_EXP"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PRIV_DEC,0),	"CLUSTER_LABS_RSA_PRIV_DEC"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PRIV_ENC,0),	"CLUSTER_LABS_RSA_PRIV_ENC"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PUB_DEC,0),	"CLUSTER_LABS_RSA_PUB_DEC"},
-{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PUB_ENC,0),	"CLUSTER_LABS_RSA_PUB_ENC"},
-{0,NULL}
-	};
+static ERR_STRING_DATA CL_str_functs[] = {
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_CTRL, 0), "CLUSTER_LABS_CTRL"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_DSA_SIGN, 0), "CLUSTER_LABS_DSA_SIGN"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_DSA_VERIFY, 0), "CLUSTER_LABS_DSA_VERIFY"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_FINISH, 0), "CLUSTER_LABS_FINISH"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_INIT, 0), "CLUSTER_LABS_INIT"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_MOD_EXP, 0), "CLUSTER_LABS_MOD_EXP"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_MOD_EXP_CRT, 0),
+     "CLUSTER_LABS_MOD_EXP_CRT"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_RAND_BYTES, 0), "CLUSTER_LABS_RAND_BYTES"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_RSA_MOD_EXP, 0),
+     "CLUSTER_LABS_RSA_MOD_EXP"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_RSA_PRIV_DEC, 0),
+     "CLUSTER_LABS_RSA_PRIV_DEC"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_RSA_PRIV_ENC, 0),
+     "CLUSTER_LABS_RSA_PRIV_ENC"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_RSA_PUB_DEC, 0),
+     "CLUSTER_LABS_RSA_PUB_DEC"},
+    {ERR_PACK(0, CL_F_CLUSTER_LABS_RSA_PUB_ENC, 0),
+     "CLUSTER_LABS_RSA_PUB_ENC"},
+    {0, NULL}
+};
 
-static ERR_STRING_DATA CL_str_reasons[]=
-	{
-{CL_R_ALREADY_LOADED                     ,"already loaded"},
-{CL_R_COMMAND_NOT_IMPLEMENTED            ,"command not implemented"},
-{CL_R_DSO_FAILURE                        ,"dso failure"},
-{CL_R_FUNCTION_NOT_BINDED                ,"function not binded"},
-{CL_R_INIT_FAILED                        ,"init failed"},
-{CL_R_NOT_LOADED                         ,"not loaded"},
-{0,NULL}
-	};
+static ERR_STRING_DATA CL_str_reasons[] = {
+    {CL_R_ALREADY_LOADED, "already loaded"},
+    {CL_R_COMMAND_NOT_IMPLEMENTED, "command not implemented"},
+    {CL_R_DSO_FAILURE, "dso failure"},
+    {CL_R_FUNCTION_NOT_BINDED, "function not binded"},
+    {CL_R_INIT_FAILED, "init failed"},
+    {CL_R_NOT_LOADED, "not loaded"},
+    {0, NULL}
+};
 
 #endif
 
 #ifdef CL_LIB_NAME
-static ERR_STRING_DATA CL_lib_name[]=
-        {
-{0	,CL_LIB_NAME},
-{0,NULL}
-	};
+static ERR_STRING_DATA CL_lib_name[] = {
+    {0, CL_LIB_NAME},
+    {0, NULL}
+};
 #endif
 
-
-static int CL_lib_error_code=0;
-static int CL_error_init=1;
+static int CL_lib_error_code = 0;
+static int CL_error_init = 1;
 
 static void ERR_load_CL_strings(void)
-	{
-	if (CL_lib_error_code == 0)
-		CL_lib_error_code=ERR_get_next_error_library();
+{
+    if (CL_lib_error_code == 0)
+        CL_lib_error_code = ERR_get_next_error_library();
 
-	if (CL_error_init)
-		{
-		CL_error_init=0;
+    if (CL_error_init) {
+        CL_error_init = 0;
 #ifndef OPENSSL_NO_ERR
-		ERR_load_strings(CL_lib_error_code,CL_str_functs);
-		ERR_load_strings(CL_lib_error_code,CL_str_reasons);
+        ERR_load_strings(CL_lib_error_code, CL_str_functs);
+        ERR_load_strings(CL_lib_error_code, CL_str_reasons);
 #endif
 
 #ifdef CL_LIB_NAME
-		CL_lib_name->error = ERR_PACK(CL_lib_error_code,0,0);
-		ERR_load_strings(0,CL_lib_name);
+        CL_lib_name->error = ERR_PACK(CL_lib_error_code, 0, 0);
+        ERR_load_strings(0, CL_lib_name);
 #endif
-		}
-	}
+    }
+}
 
 static void ERR_unload_CL_strings(void)
-	{
-	if (CL_error_init == 0)
-		{
+{
+    if (CL_error_init == 0) {
 #ifndef OPENSSL_NO_ERR
-		ERR_unload_strings(CL_lib_error_code,CL_str_functs);
-		ERR_unload_strings(CL_lib_error_code,CL_str_reasons);
+        ERR_unload_strings(CL_lib_error_code, CL_str_functs);
+        ERR_unload_strings(CL_lib_error_code, CL_str_reasons);
 #endif
 
 #ifdef CL_LIB_NAME
-		ERR_unload_strings(0,CL_lib_name);
+        ERR_unload_strings(0, CL_lib_name);
 #endif
-		CL_error_init=1;
-		}
-	}
+        CL_error_init = 1;
+    }
+}
 
 static void ERR_CL_error(int function, int reason, char *file, int line)
-	{
-	if (CL_lib_error_code == 0)
-		CL_lib_error_code=ERR_get_next_error_library();
-	ERR_PUT_error(CL_lib_error_code,function,reason,file,line);
-	}
+{
+    if (CL_lib_error_code == 0)
+        CL_lib_error_code = ERR_get_next_error_library();
+    ERR_PUT_error(CL_lib_error_code, function, reason, file, line);
+}
diff --git a/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.h b/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.h
index f548a3b66..3300e11d8 100644
--- a/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.h
+++ b/openssl/demos/engines/cluster_labs/hw_cluster_labs_err.h
@@ -6,7 +6,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,45 +53,46 @@
  */
 
 #ifndef HEADER_CL_ERR_H
-#define HEADER_CL_ERR_H
+# define HEADER_CL_ERR_H
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /* BEGIN ERROR CODES */
-/* The following lines are auto generated by the script mkerr.pl. Any changes
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
 static void ERR_load_CL_strings(void);
 static void ERR_unload_CL_strings(void);
 static void ERR_CL_error(int function, int reason, char *file, int line);
-#define CLerr(f,r) ERR_CL_error((f),(r),__FILE__,__LINE__)
+# define CLerr(f,r) ERR_CL_error((f),(r),__FILE__,__LINE__)
 
 /* Error codes for the CL functions. */
 
 /* Function codes. */
-#define CL_F_CLUSTER_LABS_CTRL				 100
-#define CL_F_CLUSTER_LABS_DSA_SIGN			 101
-#define CL_F_CLUSTER_LABS_DSA_VERIFY			 102
-#define CL_F_CLUSTER_LABS_FINISH			 103
-#define CL_F_CLUSTER_LABS_INIT				 104
-#define CL_F_CLUSTER_LABS_MOD_EXP			 105
-#define CL_F_CLUSTER_LABS_MOD_EXP_CRT			 106
-#define CL_F_CLUSTER_LABS_RAND_BYTES			 107
-#define CL_F_CLUSTER_LABS_RSA_MOD_EXP			 108
-#define CL_F_CLUSTER_LABS_RSA_PRIV_DEC			 109
-#define CL_F_CLUSTER_LABS_RSA_PRIV_ENC			 110
-#define CL_F_CLUSTER_LABS_RSA_PUB_DEC			 111
-#define CL_F_CLUSTER_LABS_RSA_PUB_ENC			 112
+# define CL_F_CLUSTER_LABS_CTRL                           100
+# define CL_F_CLUSTER_LABS_DSA_SIGN                       101
+# define CL_F_CLUSTER_LABS_DSA_VERIFY                     102
+# define CL_F_CLUSTER_LABS_FINISH                         103
+# define CL_F_CLUSTER_LABS_INIT                           104
+# define CL_F_CLUSTER_LABS_MOD_EXP                        105
+# define CL_F_CLUSTER_LABS_MOD_EXP_CRT                    106
+# define CL_F_CLUSTER_LABS_RAND_BYTES                     107
+# define CL_F_CLUSTER_LABS_RSA_MOD_EXP                    108
+# define CL_F_CLUSTER_LABS_RSA_PRIV_DEC                   109
+# define CL_F_CLUSTER_LABS_RSA_PRIV_ENC                   110
+# define CL_F_CLUSTER_LABS_RSA_PUB_DEC                    111
+# define CL_F_CLUSTER_LABS_RSA_PUB_ENC                    112
 
 /* Reason codes. */
-#define CL_R_ALREADY_LOADED				 100
-#define CL_R_COMMAND_NOT_IMPLEMENTED			 101
-#define CL_R_DSO_FAILURE				 102
-#define CL_R_FUNCTION_NOT_BINDED			 103
-#define CL_R_INIT_FAILED				 104
-#define CL_R_NOT_LOADED					 105
+# define CL_R_ALREADY_LOADED                              100
+# define CL_R_COMMAND_NOT_IMPLEMENTED                     101
+# define CL_R_DSO_FAILURE                                 102
+# define CL_R_FUNCTION_NOT_BINDED                         103
+# define CL_R_INIT_FAILED                                 104
+# define CL_R_NOT_LOADED                                  105
 
 #ifdef  __cplusplus
 }
diff --git a/openssl/demos/engines/ibmca/hw_ibmca.c b/openssl/demos/engines/ibmca/hw_ibmca.c
index 0c2c39b8a..082246f92 100644
--- a/openssl/demos/engines/ibmca/hw_ibmca.c
+++ b/openssl/demos/engines/ibmca/hw_ibmca.c
@@ -1,920 +1,900 @@
-/* crypto/engine/hw_ibmca.c */

-/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL

- * project 2000.

- */

-/* ====================================================================

- * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.

- *

- * Redistribution and use in source and binary forms, with or without

- * modification, are permitted provided that the following conditions

- * are met:

- *

- * 1. Redistributions of source code must retain the above copyright

- *    notice, this list of conditions and the following disclaimer.

- *

- * 2. Redistributions in binary form must reproduce the above copyright

- *    notice, this list of conditions and the following disclaimer in

- *    the documentation and/or other materials provided with the

- *    distribution.

- *

- * 3. All advertising materials mentioning features or use of this

- *    software must display the following acknowledgment:

- *    "This product includes software developed by the OpenSSL Project

- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

- *

- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

- *    endorse or promote products derived from this software without

- *    prior written permission. For written permission, please contact

- *    licensing@OpenSSL.org.

- *

- * 5. Products derived from this software may not be called "OpenSSL"

- *    nor may "OpenSSL" appear in their names without prior written

- *    permission of the OpenSSL Project.

- *

- * 6. Redistributions of any form whatsoever must retain the following

- *    acknowledgment:

- *    "This product includes software developed by the OpenSSL Project

- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

- *

- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR

- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

- * OF THE POSSIBILITY OF SUCH DAMAGE.

- * ====================================================================

- *

- * This product includes cryptographic software written by Eric Young

- * (eay@cryptsoft.com).  This product includes software written by Tim

- * Hudson (tjh@cryptsoft.com).

- *

- */

-

-/* (C) COPYRIGHT International Business Machines Corp. 2001 */

-

-#include <stdio.h>

-#include <openssl/crypto.h>

-#include <openssl/dso.h>

-#include <openssl/engine.h>

-

-#ifndef OPENSSL_NO_HW

-#ifndef OPENSSL_NO_HW_IBMCA

-

-#ifdef FLAT_INC

-#include "ica_openssl_api.h"

-#else

-#include "vendor_defns/ica_openssl_api.h"

-#endif

-

-#define IBMCA_LIB_NAME "ibmca engine"

-#include "hw_ibmca_err.c"

-

-static int ibmca_destroy(ENGINE *e);

-static int ibmca_init(ENGINE *e);

-static int ibmca_finish(ENGINE *e);

-static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());

-

-static const char *IBMCA_F1 = "icaOpenAdapter";

-static const char *IBMCA_F2 = "icaCloseAdapter";

-static const char *IBMCA_F3 = "icaRsaModExpo";

-static const char *IBMCA_F4 = "icaRandomNumberGenerate";

-static const char *IBMCA_F5 = "icaRsaCrt";

-

-ICA_ADAPTER_HANDLE handle=0;

-

-/* BIGNUM stuff */

-static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

-        const BIGNUM *m, BN_CTX *ctx);

-

-static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

-        const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,

-        const BIGNUM *iqmp, BN_CTX *ctx);

-

-#ifndef OPENSSL_NO_RSA  

-/* RSA stuff */

-static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);

-#endif

-

-/* This function is aliased to mod_exp (with the mont stuff dropped). */

-static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

-        const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);

-

-#ifndef OPENSSL_NO_DSA 

-/* DSA stuff */

-static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,

-        BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,

-        BN_CTX *ctx, BN_MONT_CTX *in_mont);

-static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,

-        const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,

-        BN_MONT_CTX *m_ctx);

-#endif

-

-#ifndef OPENSSL_NO_DH 

-/* DH stuff */

-/* This function is alised to mod_exp (with the DH and mont dropped). */

-static int ibmca_mod_exp_dh(const DH *dh, BIGNUM *r, 

-	const BIGNUM *a, const BIGNUM *p,

-	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);

-#endif

-

-/* RAND stuff */

-static int ibmca_rand_bytes(unsigned char *buf, int num);

-static int ibmca_rand_status(void);

-

-

-/* WJH - check for more commands, like in nuron */

-

-/* The definitions for control commands specific to this engine */

-#define IBMCA_CMD_SO_PATH		ENGINE_CMD_BASE

-static const ENGINE_CMD_DEFN ibmca_cmd_defns[] = {

-	{IBMCA_CMD_SO_PATH,

-		"SO_PATH",

-		"Specifies the path to the 'atasi' shared library",

-		ENGINE_CMD_FLAG_STRING},

-	{0, NULL, NULL, 0}

-	};

-

-#ifndef OPENSSL_NO_RSA  

-/* Our internal RSA_METHOD that we provide pointers to */

-static RSA_METHOD ibmca_rsa =

-        {

-        "Ibmca RSA method",

-        NULL,

-        NULL,

-        NULL,

-        NULL,

-        ibmca_rsa_mod_exp,

-        ibmca_mod_exp_mont,

-        NULL,

-        NULL,

-        0,

-        NULL,

-        NULL,

-        NULL

-        };

-#endif

-

-#ifndef OPENSSL_NO_DSA

-/* Our internal DSA_METHOD that we provide pointers to */

-static DSA_METHOD ibmca_dsa =

-        {

-        "Ibmca DSA method",

-        NULL, /* dsa_do_sign */

-        NULL, /* dsa_sign_setup */

-        NULL, /* dsa_do_verify */

-        ibmca_dsa_mod_exp, /* dsa_mod_exp */

-        ibmca_mod_exp_dsa, /* bn_mod_exp */

-        NULL, /* init */

-        NULL, /* finish */

-        0, /* flags */

-        NULL /* app_data */

-        };

-#endif

-

-#ifndef OPENSSL_NO_DH

-/* Our internal DH_METHOD that we provide pointers to */

-static DH_METHOD ibmca_dh =

-        {

-        "Ibmca DH method",

-        NULL,

-        NULL,

-        ibmca_mod_exp_dh,

-        NULL,

-        NULL,

-        0,

-        NULL

-        };

-#endif

-

-static RAND_METHOD ibmca_rand =

-        {

-        /* "IBMCA RAND method", */

-        NULL,

-        ibmca_rand_bytes,

-        NULL,

-        NULL,

-        ibmca_rand_bytes,

-        ibmca_rand_status,

-        };

-

-/* Constants used when creating the ENGINE */

-static const char *engine_ibmca_id = "ibmca";

-static const char *engine_ibmca_name = "Ibmca hardware engine support";

-

-/* This internal function is used by ENGINE_ibmca() and possibly by the

- * "dynamic" ENGINE support too */

-static int bind_helper(ENGINE *e)

-	{

-#ifndef OPENSSL_NO_RSA

-	const RSA_METHOD *meth1;

-#endif

-#ifndef OPENSSL_NO_DSA

-	const DSA_METHOD *meth2;

-#endif

-#ifndef OPENSSL_NO_DH

-	const DH_METHOD *meth3;

-#endif

-	if(!ENGINE_set_id(e, engine_ibmca_id) ||

-		!ENGINE_set_name(e, engine_ibmca_name) ||

-#ifndef OPENSSL_NO_RSA

-		!ENGINE_set_RSA(e, &ibmca_rsa) ||

-#endif

-#ifndef OPENSSL_NO_DSA

-		!ENGINE_set_DSA(e, &ibmca_dsa) ||

-#endif

-#ifndef OPENSSL_NO_DH

-		!ENGINE_set_DH(e, &ibmca_dh) ||

-#endif

-		!ENGINE_set_RAND(e, &ibmca_rand) ||

-		!ENGINE_set_destroy_function(e, ibmca_destroy) ||

-		!ENGINE_set_init_function(e, ibmca_init) ||

-		!ENGINE_set_finish_function(e, ibmca_finish) ||

-		!ENGINE_set_ctrl_function(e, ibmca_ctrl) ||

-		!ENGINE_set_cmd_defns(e, ibmca_cmd_defns))

-		return 0;

-

-#ifndef OPENSSL_NO_RSA

-	/* We know that the "PKCS1_SSLeay()" functions hook properly

-	 * to the ibmca-specific mod_exp and mod_exp_crt so we use

-	 * those functions. NB: We don't use ENGINE_openssl() or

-	 * anything "more generic" because something like the RSAref

-	 * code may not hook properly, and if you own one of these

-	 * cards then you have the right to do RSA operations on it

-	 * anyway! */ 

-	meth1 = RSA_PKCS1_SSLeay();

-	ibmca_rsa.rsa_pub_enc = meth1->rsa_pub_enc;

-	ibmca_rsa.rsa_pub_dec = meth1->rsa_pub_dec;

-	ibmca_rsa.rsa_priv_enc = meth1->rsa_priv_enc;

-	ibmca_rsa.rsa_priv_dec = meth1->rsa_priv_dec;

-#endif

-

-#ifndef OPENSSL_NO_DSA

-	/* Use the DSA_OpenSSL() method and just hook the mod_exp-ish

-	 * bits. */

-	meth2 = DSA_OpenSSL();

-	ibmca_dsa.dsa_do_sign = meth2->dsa_do_sign;

-	ibmca_dsa.dsa_sign_setup = meth2->dsa_sign_setup;

-	ibmca_dsa.dsa_do_verify = meth2->dsa_do_verify;

-#endif

-

-#ifndef OPENSSL_NO_DH

-	/* Much the same for Diffie-Hellman */

-	meth3 = DH_OpenSSL();

-	ibmca_dh.generate_key = meth3->generate_key;

-	ibmca_dh.compute_key = meth3->compute_key;

-#endif

-

-	/* Ensure the ibmca error handling is set up */

-	ERR_load_IBMCA_strings(); 

-	return 1;

-	}

-

-static ENGINE *engine_ibmca(void)

-	{

-	ENGINE *ret = ENGINE_new();

-	if(!ret)

-		return NULL;

-	if(!bind_helper(ret))

-		{

-		ENGINE_free(ret);

-		return NULL;

-		}

-	return ret;

-	}

-

-#ifdef ENGINE_DYNAMIC_SUPPORT

-static

-#endif

-void ENGINE_load_ibmca(void)

-	{

-	/* Copied from eng_[openssl|dyn].c */

-	ENGINE *toadd = engine_ibmca();

-	if(!toadd) return;

-	ENGINE_add(toadd);

-	ENGINE_free(toadd);

-	ERR_clear_error();

-	}

-

-/* Destructor (complements the "ENGINE_ibmca()" constructor) */

-static int ibmca_destroy(ENGINE *e)

-	{

-	/* Unload the ibmca error strings so any error state including our

-	 * functs or reasons won't lead to a segfault (they simply get displayed

-	 * without corresponding string data because none will be found). */

-        ERR_unload_IBMCA_strings(); 

-	return 1;

-	}

-

-

-/* This is a process-global DSO handle used for loading and unloading

- * the Ibmca library. NB: This is only set (or unset) during an

- * init() or finish() call (reference counts permitting) and they're

- * operating with global locks, so this should be thread-safe

- * implicitly. */

-

-static DSO *ibmca_dso = NULL;

-

-/* These are the function pointers that are (un)set when the library has

- * successfully (un)loaded. */

-

-static unsigned int    (ICA_CALL *p_icaOpenAdapter)();

-static unsigned int    (ICA_CALL *p_icaCloseAdapter)();

-static unsigned int    (ICA_CALL *p_icaRsaModExpo)();

-static unsigned int    (ICA_CALL *p_icaRandomNumberGenerate)();

-static unsigned int    (ICA_CALL *p_icaRsaCrt)();

-

-/* utility function to obtain a context */

-static int get_context(ICA_ADAPTER_HANDLE *p_handle)

-        {

-        unsigned int status=0;

-

-        status = p_icaOpenAdapter(0, p_handle);

-        if(status != 0)

-                return 0;

-        return 1;

-        }

-

-/* similarly to release one. */

-static void release_context(ICA_ADAPTER_HANDLE handle)

-        {

-        p_icaCloseAdapter(handle);

-        }

-

-/* (de)initialisation functions. */

-static int ibmca_init(ENGINE *e)

-        {

-

-        void          (*p1)();

-        void          (*p2)();

-        void          (*p3)();

-        void          (*p4)();

-        void          (*p5)();

-

-        if(ibmca_dso != NULL)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_ALREADY_LOADED);

-                goto err;

-                }

-        /* Attempt to load libatasi.so/atasi.dll/whatever. Needs to be

-         * changed unfortunately because the Ibmca drivers don't have

-         * standard library names that can be platform-translated well. */

-        /* TODO: Work out how to actually map to the names the Ibmca

-         * drivers really use - for now a symbollic link needs to be

-         * created on the host system from libatasi.so to atasi.so on

-         * unix variants. */

-

-	/* WJH XXX check name translation */

-

-        ibmca_dso = DSO_load(NULL, IBMCA_LIBNAME, NULL,

-			     /* DSO_FLAG_NAME_TRANSLATION */ 0);

-        if(ibmca_dso == NULL)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_DSO_FAILURE);

-                goto err;

-                }

-

-        if(!(p1 = DSO_bind_func(

-                ibmca_dso, IBMCA_F1)) ||

-                !(p2 = DSO_bind_func(

-                        ibmca_dso, IBMCA_F2)) ||

-                !(p3 = DSO_bind_func(

-                        ibmca_dso, IBMCA_F3)) ||

-                !(p4 = DSO_bind_func(

-                        ibmca_dso, IBMCA_F4)) ||

-                !(p5 = DSO_bind_func(

-                        ibmca_dso, IBMCA_F5)))

-                {

-                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_DSO_FAILURE);

-                goto err;

-                }

-

-        /* Copy the pointers */

-

-	p_icaOpenAdapter =           (unsigned int (ICA_CALL *)())p1;

-	p_icaCloseAdapter =          (unsigned int (ICA_CALL *)())p2;

-	p_icaRsaModExpo =            (unsigned int (ICA_CALL *)())p3;

-	p_icaRandomNumberGenerate =  (unsigned int (ICA_CALL *)())p4;

-	p_icaRsaCrt =                (unsigned int (ICA_CALL *)())p5;

-

-        if(!get_context(&handle))

-                {

-                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_UNIT_FAILURE);

-                goto err;

-                }

-

-        return 1;

- err:

-        if(ibmca_dso)

-                DSO_free(ibmca_dso);

-

-        p_icaOpenAdapter = NULL;

-        p_icaCloseAdapter = NULL;

-        p_icaRsaModExpo = NULL;

-        p_icaRandomNumberGenerate = NULL;

-

-        return 0;

-        }

-

-static int ibmca_finish(ENGINE *e)

-        {

-        if(ibmca_dso == NULL)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_FINISH,IBMCA_R_NOT_LOADED);

-                return 0;

-                }

-        release_context(handle);

-        if(!DSO_free(ibmca_dso))

-                {

-                IBMCAerr(IBMCA_F_IBMCA_FINISH,IBMCA_R_DSO_FAILURE);

-                return 0;

-                }

-        ibmca_dso = NULL;

-

-        return 1;

-        }

-

-static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())

-	{

-	int initialised = ((ibmca_dso == NULL) ? 0 : 1);

-	switch(cmd)

-		{

-	case IBMCA_CMD_SO_PATH:

-		if(p == NULL)

-			{

-			IBMCAerr(IBMCA_F_IBMCA_CTRL,ERR_R_PASSED_NULL_PARAMETER);

-			return 0;

-			}

-		if(initialised)

-			{

-			IBMCAerr(IBMCA_F_IBMCA_CTRL,IBMCA_R_ALREADY_LOADED);

-			return 0;

-			}

-		IBMCA_LIBNAME = (const char *)p;

-		return 1;

-	default:

-		break;

-		}

-	IBMCAerr(IBMCA_F_IBMCA_CTRL,IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED);

-	return 0;

-	}

-

-

-static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

-        const BIGNUM *m, BN_CTX *ctx)

-        {

-        /* I need somewhere to store temporary serialised values for

-         * use with the Ibmca API calls. A neat cheat - I'll use

-         * BIGNUMs from the BN_CTX but access their arrays directly as

-         * byte arrays <grin>. This way I don't have to clean anything

-         * up. */

-

-        BIGNUM *argument=NULL;

-        BIGNUM *result=NULL;

-        BIGNUM *key=NULL;

-        int to_return;

-	int inLen, outLen, tmpLen;

-

-

-        ICA_KEY_RSA_MODEXPO *publKey=NULL;

-        unsigned int rc;

-

-        to_return = 0; /* expect failure */

-

-        if(!ibmca_dso)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_NOT_LOADED);

-                goto err;

-                }

-        /* Prepare the params */

-	BN_CTX_start(ctx);

-        argument = BN_CTX_get(ctx);

-        result = BN_CTX_get(ctx);

-        key = BN_CTX_get(ctx);

-

-        if( !argument || !result || !key)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_BN_CTX_FULL);

-                goto err;

-                }

-

-

-	if(!bn_wexpand(argument, m->top) || !bn_wexpand(result, m->top) ||

-                !bn_wexpand(key, sizeof(*publKey)/BN_BYTES))

-

-                {

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_BN_EXPAND_FAIL);

-                goto err;

-                }

-

-        publKey = (ICA_KEY_RSA_MODEXPO *)key->d;

-

-        if (publKey == NULL)

-                {

-                goto err;

-                }

-        memset(publKey, 0, sizeof(ICA_KEY_RSA_MODEXPO));

-

-        publKey->keyType   =  CORRECT_ENDIANNESS(ME_KEY_TYPE);

-        publKey->keyLength =  CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_MODEXPO));

-        publKey->expOffset =  (char *) publKey->keyRecord - (char *) publKey;

-

-        /* A quirk of the card: the exponent length has to be the same

-     as the modulus (key) length */

-

-	outLen = BN_num_bytes(m);

-

-/* check for modulus length SAB*/

-	if (outLen > 256 ) {

-		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_MEXP_LENGTH_TO_LARGE);

-		goto err;

-	}

-/* check for modulus length SAB*/

-

-

-	publKey->expLength = publKey->nLength = outLen;

-/* SAB Check for underflow condition

-    the size of the exponent is less than the size of the parameter

-    then we have a big problem and will underflow the keyRecord

-   buffer.  Bad stuff could happen then

-*/

-if (outLen < BN_num_bytes(p)){

-	IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_UNDERFLOW_KEYRECORD);

-	goto err;

-}

-/* SAB End check for underflow */

-

-

-        BN_bn2bin(p, &publKey->keyRecord[publKey->expLength -

-                BN_num_bytes(p)]);

-        BN_bn2bin(m, &publKey->keyRecord[publKey->expLength]);

-

-

-

-        publKey->modulusBitLength = CORRECT_ENDIANNESS(publKey->nLength * 8);

-        publKey->nOffset   = CORRECT_ENDIANNESS(publKey->expOffset + 

-						publKey->expLength);

-

-        publKey->expOffset = CORRECT_ENDIANNESS((char *) publKey->keyRecord - 

-						(char *) publKey);

-

-	tmpLen = outLen;

-	publKey->expLength = publKey->nLength = CORRECT_ENDIANNESS(tmpLen);

-

-  /* Prepare the argument */

-

-	memset(argument->d, 0, outLen);

-	BN_bn2bin(a, (unsigned char *)argument->d + outLen -

-                 BN_num_bytes(a));

-

-	inLen = outLen;

-

-  /* Perform the operation */

-

-          if( (rc = p_icaRsaModExpo(handle, inLen,(unsigned char *)argument->d,

-                publKey, &outLen, (unsigned char *)result->d))

-                !=0 )

-

-                {

-                printf("rc = %d\n", rc);

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_REQUEST_FAILED);

-                goto err;

-                }

-

-

-        /* Convert the response */

-        BN_bin2bn((unsigned char *)result->d, outLen, r);

-        to_return = 1;

- err:

-	BN_CTX_end(ctx);

-        return to_return;

-        }

-

-#ifndef OPENSSL_NO_RSA 

-static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)

-        {

-        BN_CTX *ctx;

-        int to_return = 0;

-

-        if((ctx = BN_CTX_new()) == NULL)

-                goto err;

-        if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)

-                {

-                if(!rsa->d || !rsa->n)

-                        {

-                        IBMCAerr(IBMCA_F_IBMCA_RSA_MOD_EXP,

-                                IBMCA_R_MISSING_KEY_COMPONENTS);

-                        goto err;

-                        }

-                to_return = ibmca_mod_exp(r0, I, rsa->d, rsa->n, ctx);

-                }

-        else

-                {

-                to_return = ibmca_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,

-                        rsa->dmq1, rsa->iqmp, ctx);

-                }

- err:

-        if(ctx)

-                BN_CTX_free(ctx);

-        return to_return;

-        }

-#endif

-

-/* Ein kleines chinesisches "Restessen"  */

-static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

-        const BIGNUM *q, const BIGNUM *dmp1,

-        const BIGNUM *dmq1, const BIGNUM *iqmp, BN_CTX *ctx)

-        {

-

-        BIGNUM *argument = NULL;

-        BIGNUM *result = NULL;

-        BIGNUM *key = NULL;

-

-        int to_return = 0; /* expect failure */

-

-        char                *pkey=NULL;

-        ICA_KEY_RSA_CRT     *privKey=NULL;

-        int inLen, outLen;

-

-        int rc;

-        unsigned int        offset, pSize, qSize;

-/* SAB New variables */

-	unsigned int keyRecordSize;

-	unsigned int pbytes = BN_num_bytes(p);

-	unsigned int qbytes = BN_num_bytes(q);

-	unsigned int dmp1bytes = BN_num_bytes(dmp1);

-	unsigned int dmq1bytes = BN_num_bytes(dmq1);

-	unsigned int iqmpbytes = BN_num_bytes(iqmp);

-

-        /* Prepare the params */

-

-	BN_CTX_start(ctx);

-        argument = BN_CTX_get(ctx);

-        result = BN_CTX_get(ctx);

-        key = BN_CTX_get(ctx);

-

-        if(!argument || !result || !key)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_BN_CTX_FULL);

-                goto err;

-                }

-

-	if(!bn_wexpand(argument, p->top + q->top) ||

-                !bn_wexpand(result, p->top + q->top) ||

-                !bn_wexpand(key, sizeof(*privKey)/BN_BYTES ))

-                {

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_BN_EXPAND_FAIL);

-                goto err;

-                }

-

-

-        privKey = (ICA_KEY_RSA_CRT *)key->d;

-/* SAB Add check for total size in bytes of the parms does not exceed

-   the buffer space we have

-   do this first

-*/

-      keyRecordSize = pbytes+qbytes+dmp1bytes+dmq1bytes+iqmpbytes;

-     if (  keyRecordSize > sizeof(privKey->keyRecord )) {

-	 IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE);

-         goto err;

-     }

-

-     if ( (qbytes + dmq1bytes)  > 256 ){

-	 IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE);

-         goto err;

-     }

-

-     if ( pbytes + dmp1bytes > 256 ) {

-	 IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE);

-         goto err;

-     }

-

-/* end SAB additions */

-  

-        memset(privKey, 0, sizeof(ICA_KEY_RSA_CRT));

-        privKey->keyType =  CORRECT_ENDIANNESS(CRT_KEY_TYPE);

-        privKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_CRT));

-        privKey->modulusBitLength = 

-	  CORRECT_ENDIANNESS(BN_num_bytes(q) * 2 * 8);

-

-        /*

-         * p,dp & qInv are 1 QWORD Larger

-         */

-        privKey->pLength = CORRECT_ENDIANNESS(BN_num_bytes(p)+8);

-        privKey->qLength = CORRECT_ENDIANNESS(BN_num_bytes(q));

-        privKey->dpLength = CORRECT_ENDIANNESS(BN_num_bytes(dmp1)+8);

-        privKey->dqLength = CORRECT_ENDIANNESS(BN_num_bytes(dmq1));

-        privKey->qInvLength = CORRECT_ENDIANNESS(BN_num_bytes(iqmp)+8);

-

-        offset = (char *) privKey->keyRecord

-                  - (char *) privKey;

-

-        qSize = BN_num_bytes(q);

-        pSize = qSize + 8;   /*  1 QWORD larger */

-

-

-/* SAB  probably aittle redundant, but we'll verify that each of the

-   components which make up a key record sent ot the card does not exceed

-   the space that is allocated for it.  this handles the case where even if

-   the total length does not exceed keyrecord zied, if the operands are funny sized

-they could cause potential side affects on either the card or the result */

-

-     if ( (pbytes > pSize) || (dmp1bytes > pSize) ||

-          (iqmpbytes > pSize) || ( qbytes >qSize) ||

-          (dmq1bytes > qSize) ) {

-		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE);

-		goto err;

-

-	}

-     

-

-        privKey->dpOffset = CORRECT_ENDIANNESS(offset);

-

-	offset += pSize;

-	privKey->dqOffset = CORRECT_ENDIANNESS(offset);

-

-	offset += qSize;

-	privKey->pOffset = CORRECT_ENDIANNESS(offset);

-

-	offset += pSize;

-	privKey->qOffset = CORRECT_ENDIANNESS(offset);

-

-	offset += qSize;

-	privKey->qInvOffset = CORRECT_ENDIANNESS(offset);

-

-        pkey = (char *) privKey->keyRecord;

-

-

-/* SAB first check that we don;t under flow the buffer */

-	if ( pSize < pbytes ) {

-		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_UNDERFLOW_CONDITION);

-		goto err;

-	}

-

-        /* pkey += pSize - BN_num_bytes(p); WROING this should be dmp1) */

-        pkey += pSize - BN_num_bytes(dmp1);

-        BN_bn2bin(dmp1, pkey);   

-        pkey += BN_num_bytes(dmp1);  /* move the pointer */

-

-        BN_bn2bin(dmq1, pkey);  /* Copy over dmq1 */

-

-        pkey += qSize;     /* move pointer */

-	pkey += pSize - BN_num_bytes(p);  /* set up for zero padding of next field */

-

-        BN_bn2bin(p, pkey);

-        pkey += BN_num_bytes(p);  /* increment pointer by number of bytes moved  */

-

-        BN_bn2bin(q, pkey);

-        pkey += qSize ;  /* move the pointer */

-	pkey +=  pSize - BN_num_bytes(iqmp); /* Adjust for padding */

-        BN_bn2bin(iqmp, pkey);

-

-        /* Prepare the argument and response */

-

-	outLen = CORRECT_ENDIANNESS(privKey->qLength) * 2;  /* Correct endianess is used 

-						because the fields were converted above */

-

-        if (outLen > 256) {

-		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OUTLEN_TO_LARGE);

-		goto err;

-	}

-

-	/* SAB check for underflow here on the argeument */

-	if ( outLen < BN_num_bytes(a)) {

-		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_UNDERFLOW_CONDITION);

-		goto err;

-	}

-

-        BN_bn2bin(a, (unsigned char *)argument->d + outLen -

-                          BN_num_bytes(a));

-        inLen = outLen;

-

-        memset(result->d, 0, outLen);

-

-        /* Perform the operation */

-

-        if ( (rc = p_icaRsaCrt(handle, inLen, (unsigned char *)argument->d,

-                privKey, &outLen, (unsigned char *)result->d)) != 0)

-                {

-                printf("rc = %d\n", rc);

-                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_REQUEST_FAILED);

-                goto err;

-                }

-

-        /* Convert the response */

-

-        BN_bin2bn((unsigned char *)result->d, outLen, r);

-        to_return = 1;

-

- err:

-	BN_CTX_end(ctx);

-        return to_return;

-

-        }

-

-#ifndef OPENSSL_NO_DSA

-/* This code was liberated and adapted from the commented-out code in

- * dsa_ossl.c. Because of the unoptimised form of the Ibmca acceleration

- * (it doesn't have a CRT form for RSA), this function means that an

- * Ibmca system running with a DSA server certificate can handshake

- * around 5 or 6 times faster/more than an equivalent system running with

- * RSA. Just check out the "signs" statistics from the RSA and DSA parts

- * of "openssl speed -engine ibmca dsa1024 rsa1024". */

-static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,

-        BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,

-        BN_CTX *ctx, BN_MONT_CTX *in_mont)

-        {

-        BIGNUM t;

-        int to_return = 0;

-

-        BN_init(&t);

-        /* let rr = a1 ^ p1 mod m */

-        if (!ibmca_mod_exp(rr,a1,p1,m,ctx)) goto end;

-        /* let t = a2 ^ p2 mod m */

-        if (!ibmca_mod_exp(&t,a2,p2,m,ctx)) goto end;

-        /* let rr = rr * t mod m */

-        if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;

-        to_return = 1;

- end:

-        BN_free(&t);

-        return to_return;

-        }

-

-

-static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,

-        const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,

-        BN_MONT_CTX *m_ctx)

-        {

-        return ibmca_mod_exp(r, a, p, m, ctx);

-        }

-#endif

-

-/* This function is aliased to mod_exp (with the mont stuff dropped). */

-static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

-        const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)

-        {

-        return ibmca_mod_exp(r, a, p, m, ctx);

-        }

-

-#ifndef OPENSSL_NO_DH 

-/* This function is aliased to mod_exp (with the dh and mont dropped). */

-static int ibmca_mod_exp_dh(DH const *dh, BIGNUM *r, 

-	const BIGNUM *a, const BIGNUM *p, 

-	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)

-        {

-        return ibmca_mod_exp(r, a, p, m, ctx);

-        }

-#endif

-

-/* Random bytes are good */

-static int ibmca_rand_bytes(unsigned char *buf, int num)

-        {

-        int to_return = 0; /* assume failure */

-        unsigned int ret;

-

-

-        if(handle == 0)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_RAND_BYTES,IBMCA_R_NOT_INITIALISED);

-                goto err;

-                }

-

-        ret = p_icaRandomNumberGenerate(handle, num, buf);

-        if (ret < 0)

-                {

-                IBMCAerr(IBMCA_F_IBMCA_RAND_BYTES,IBMCA_R_REQUEST_FAILED);

-                goto err;

-                }

-        to_return = 1;

- err:

-        return to_return;

-        }

-

-static int ibmca_rand_status(void)

-        {

-        return 1;

-        }

-

-/* This stuff is needed if this ENGINE is being compiled into a self-contained

- * shared-library. */

-#ifdef ENGINE_DYNAMIC_SUPPORT

-static int bind_fn(ENGINE *e, const char *id)

-	{

-	if(id && (strcmp(id, engine_ibmca_id) != 0))  /* WJH XXX */

-		return 0;

-	if(!bind_helper(e))

-		return 0;

-	return 1;

-	}

-IMPLEMENT_DYNAMIC_CHECK_FN()

-IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)

-#endif /* ENGINE_DYNAMIC_SUPPORT */

-

-

-#endif /* !OPENSSL_NO_HW_IBMCA */

-#endif /* !OPENSSL_NO_HW */

+/* crypto/engine/hw_ibmca.c */
+/*
+ * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
+ * 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/* (C) COPYRIGHT International Business Machines Corp. 2001 */
+
+#include <stdio.h>
+#include <openssl/crypto.h>
+#include <openssl/dso.h>
+#include <openssl/engine.h>
+
+#ifndef OPENSSL_NO_HW
+# ifndef OPENSSL_NO_HW_IBMCA
+
+#  ifdef FLAT_INC
+#   include "ica_openssl_api.h"
+#  else
+#   include "vendor_defns/ica_openssl_api.h"
+#  endif
+
+#  define IBMCA_LIB_NAME "ibmca engine"
+#  include "hw_ibmca_err.c"
+
+static int ibmca_destroy(ENGINE *e);
+static int ibmca_init(ENGINE *e);
+static int ibmca_finish(ENGINE *e);
+static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ());
+
+static const char *IBMCA_F1 = "icaOpenAdapter";
+static const char *IBMCA_F2 = "icaCloseAdapter";
+static const char *IBMCA_F3 = "icaRsaModExpo";
+static const char *IBMCA_F4 = "icaRandomNumberGenerate";
+static const char *IBMCA_F5 = "icaRsaCrt";
+
+ICA_ADAPTER_HANDLE handle = 0;
+
+/* BIGNUM stuff */
+static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                         const BIGNUM *m, BN_CTX *ctx);
+
+static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                             const BIGNUM *q, const BIGNUM *dmp1,
+                             const BIGNUM *dmq1, const BIGNUM *iqmp,
+                             BN_CTX *ctx);
+
+#  ifndef OPENSSL_NO_RSA
+/* RSA stuff */
+static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
+#  endif
+
+/* This function is aliased to mod_exp (with the mont stuff dropped). */
+static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                              const BIGNUM *m, BN_CTX *ctx,
+                              BN_MONT_CTX *m_ctx);
+
+#  ifndef OPENSSL_NO_DSA
+/* DSA stuff */
+static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
+                             BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
+                             BN_CTX *ctx, BN_MONT_CTX *in_mont);
+static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+                             const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                             BN_MONT_CTX *m_ctx);
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+/* DH stuff */
+/* This function is alised to mod_exp (with the DH and mont dropped). */
+static int ibmca_mod_exp_dh(const DH *dh, BIGNUM *r,
+                            const BIGNUM *a, const BIGNUM *p,
+                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+#  endif
+
+/* RAND stuff */
+static int ibmca_rand_bytes(unsigned char *buf, int num);
+static int ibmca_rand_status(void);
+
+/* WJH - check for more commands, like in nuron */
+
+/* The definitions for control commands specific to this engine */
+#  define IBMCA_CMD_SO_PATH               ENGINE_CMD_BASE
+static const ENGINE_CMD_DEFN ibmca_cmd_defns[] = {
+    {IBMCA_CMD_SO_PATH,
+     "SO_PATH",
+     "Specifies the path to the 'atasi' shared library",
+     ENGINE_CMD_FLAG_STRING},
+    {0, NULL, NULL, 0}
+};
+
+#  ifndef OPENSSL_NO_RSA
+/* Our internal RSA_METHOD that we provide pointers to */
+static RSA_METHOD ibmca_rsa = {
+    "Ibmca RSA method",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    ibmca_rsa_mod_exp,
+    ibmca_mod_exp_mont,
+    NULL,
+    NULL,
+    0,
+    NULL,
+    NULL,
+    NULL
+};
+#  endif
+
+#  ifndef OPENSSL_NO_DSA
+/* Our internal DSA_METHOD that we provide pointers to */
+static DSA_METHOD ibmca_dsa = {
+    "Ibmca DSA method",
+    NULL,                       /* dsa_do_sign */
+    NULL,                       /* dsa_sign_setup */
+    NULL,                       /* dsa_do_verify */
+    ibmca_dsa_mod_exp,          /* dsa_mod_exp */
+    ibmca_mod_exp_dsa,          /* bn_mod_exp */
+    NULL,                       /* init */
+    NULL,                       /* finish */
+    0,                          /* flags */
+    NULL                        /* app_data */
+};
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+/* Our internal DH_METHOD that we provide pointers to */
+static DH_METHOD ibmca_dh = {
+    "Ibmca DH method",
+    NULL,
+    NULL,
+    ibmca_mod_exp_dh,
+    NULL,
+    NULL,
+    0,
+    NULL
+};
+#  endif
+
+static RAND_METHOD ibmca_rand = {
+    /* "IBMCA RAND method", */
+    NULL,
+    ibmca_rand_bytes,
+    NULL,
+    NULL,
+    ibmca_rand_bytes,
+    ibmca_rand_status,
+};
+
+/* Constants used when creating the ENGINE */
+static const char *engine_ibmca_id = "ibmca";
+static const char *engine_ibmca_name = "Ibmca hardware engine support";
+
+/*
+ * This internal function is used by ENGINE_ibmca() and possibly by the
+ * "dynamic" ENGINE support too
+ */
+static int bind_helper(ENGINE *e)
+{
+#  ifndef OPENSSL_NO_RSA
+    const RSA_METHOD *meth1;
+#  endif
+#  ifndef OPENSSL_NO_DSA
+    const DSA_METHOD *meth2;
+#  endif
+#  ifndef OPENSSL_NO_DH
+    const DH_METHOD *meth3;
+#  endif
+    if (!ENGINE_set_id(e, engine_ibmca_id) ||
+        !ENGINE_set_name(e, engine_ibmca_name) ||
+#  ifndef OPENSSL_NO_RSA
+        !ENGINE_set_RSA(e, &ibmca_rsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DSA
+        !ENGINE_set_DSA(e, &ibmca_dsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DH
+        !ENGINE_set_DH(e, &ibmca_dh) ||
+#  endif
+        !ENGINE_set_RAND(e, &ibmca_rand) ||
+        !ENGINE_set_destroy_function(e, ibmca_destroy) ||
+        !ENGINE_set_init_function(e, ibmca_init) ||
+        !ENGINE_set_finish_function(e, ibmca_finish) ||
+        !ENGINE_set_ctrl_function(e, ibmca_ctrl) ||
+        !ENGINE_set_cmd_defns(e, ibmca_cmd_defns))
+        return 0;
+
+#  ifndef OPENSSL_NO_RSA
+    /*
+     * We know that the "PKCS1_SSLeay()" functions hook properly to the
+     * ibmca-specific mod_exp and mod_exp_crt so we use those functions. NB:
+     * We don't use ENGINE_openssl() or anything "more generic" because
+     * something like the RSAref code may not hook properly, and if you own
+     * one of these cards then you have the right to do RSA operations on it
+     * anyway!
+     */
+    meth1 = RSA_PKCS1_SSLeay();
+    ibmca_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
+    ibmca_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
+    ibmca_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
+    ibmca_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
+#  endif
+
+#  ifndef OPENSSL_NO_DSA
+    /*
+     * Use the DSA_OpenSSL() method and just hook the mod_exp-ish bits.
+     */
+    meth2 = DSA_OpenSSL();
+    ibmca_dsa.dsa_do_sign = meth2->dsa_do_sign;
+    ibmca_dsa.dsa_sign_setup = meth2->dsa_sign_setup;
+    ibmca_dsa.dsa_do_verify = meth2->dsa_do_verify;
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+    /* Much the same for Diffie-Hellman */
+    meth3 = DH_OpenSSL();
+    ibmca_dh.generate_key = meth3->generate_key;
+    ibmca_dh.compute_key = meth3->compute_key;
+#  endif
+
+    /* Ensure the ibmca error handling is set up */
+    ERR_load_IBMCA_strings();
+    return 1;
+}
+
+static ENGINE *engine_ibmca(void)
+{
+    ENGINE *ret = ENGINE_new();
+    if (!ret)
+        return NULL;
+    if (!bind_helper(ret)) {
+        ENGINE_free(ret);
+        return NULL;
+    }
+    return ret;
+}
+
+#  ifdef ENGINE_DYNAMIC_SUPPORT
+static
+#  endif
+void ENGINE_load_ibmca(void)
+{
+    /* Copied from eng_[openssl|dyn].c */
+    ENGINE *toadd = engine_ibmca();
+    if (!toadd)
+        return;
+    ENGINE_add(toadd);
+    ENGINE_free(toadd);
+    ERR_clear_error();
+}
+
+/* Destructor (complements the "ENGINE_ibmca()" constructor) */
+static int ibmca_destroy(ENGINE *e)
+{
+    /*
+     * Unload the ibmca error strings so any error state including our functs
+     * or reasons won't lead to a segfault (they simply get displayed without
+     * corresponding string data because none will be found).
+     */
+    ERR_unload_IBMCA_strings();
+    return 1;
+}
+
+/*
+ * This is a process-global DSO handle used for loading and unloading the
+ * Ibmca library. NB: This is only set (or unset) during an init() or
+ * finish() call (reference counts permitting) and they're operating with
+ * global locks, so this should be thread-safe implicitly.
+ */
+
+static DSO *ibmca_dso = NULL;
+
+/*
+ * These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded.
+ */
+
+static unsigned int (ICA_CALL * p_icaOpenAdapter) ();
+static unsigned int (ICA_CALL * p_icaCloseAdapter) ();
+static unsigned int (ICA_CALL * p_icaRsaModExpo) ();
+static unsigned int (ICA_CALL * p_icaRandomNumberGenerate) ();
+static unsigned int (ICA_CALL * p_icaRsaCrt) ();
+
+/* utility function to obtain a context */
+static int get_context(ICA_ADAPTER_HANDLE * p_handle)
+{
+    unsigned int status = 0;
+
+    status = p_icaOpenAdapter(0, p_handle);
+    if (status != 0)
+        return 0;
+    return 1;
+}
+
+/* similarly to release one. */
+static void release_context(ICA_ADAPTER_HANDLE handle)
+{
+    p_icaCloseAdapter(handle);
+}
+
+/* (de)initialisation functions. */
+static int ibmca_init(ENGINE *e)
+{
+
+    void (*p1) ();
+    void (*p2) ();
+    void (*p3) ();
+    void (*p4) ();
+    void (*p5) ();
+
+    if (ibmca_dso != NULL) {
+        IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_ALREADY_LOADED);
+        goto err;
+    }
+    /*
+     * Attempt to load libatasi.so/atasi.dll/whatever. Needs to be changed
+     * unfortunately because the Ibmca drivers don't have standard library
+     * names that can be platform-translated well.
+     */
+    /*
+     * TODO: Work out how to actually map to the names the Ibmca drivers
+     * really use - for now a symbollic link needs to be created on the host
+     * system from libatasi.so to atasi.so on unix variants.
+     */
+
+    /* WJH XXX check name translation */
+
+    ibmca_dso = DSO_load(NULL, IBMCA_LIBNAME, NULL,
+                         /*
+                          * DSO_FLAG_NAME_TRANSLATION
+                          */ 0);
+    if (ibmca_dso == NULL) {
+        IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_DSO_FAILURE);
+        goto err;
+    }
+
+    if (!(p1 = DSO_bind_func(ibmca_dso, IBMCA_F1)) ||
+        !(p2 = DSO_bind_func(ibmca_dso, IBMCA_F2)) ||
+        !(p3 = DSO_bind_func(ibmca_dso, IBMCA_F3)) ||
+        !(p4 = DSO_bind_func(ibmca_dso, IBMCA_F4)) ||
+        !(p5 = DSO_bind_func(ibmca_dso, IBMCA_F5))) {
+        IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_DSO_FAILURE);
+        goto err;
+    }
+
+    /* Copy the pointers */
+
+    p_icaOpenAdapter = (unsigned int (ICA_CALL *) ())p1;
+    p_icaCloseAdapter = (unsigned int (ICA_CALL *) ())p2;
+    p_icaRsaModExpo = (unsigned int (ICA_CALL *) ())p3;
+    p_icaRandomNumberGenerate = (unsigned int (ICA_CALL *) ())p4;
+    p_icaRsaCrt = (unsigned int (ICA_CALL *) ())p5;
+
+    if (!get_context(&handle)) {
+        IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_UNIT_FAILURE);
+        goto err;
+    }
+
+    return 1;
+ err:
+    if (ibmca_dso)
+        DSO_free(ibmca_dso);
+
+    p_icaOpenAdapter = NULL;
+    p_icaCloseAdapter = NULL;
+    p_icaRsaModExpo = NULL;
+    p_icaRandomNumberGenerate = NULL;
+
+    return 0;
+}
+
+static int ibmca_finish(ENGINE *e)
+{
+    if (ibmca_dso == NULL) {
+        IBMCAerr(IBMCA_F_IBMCA_FINISH, IBMCA_R_NOT_LOADED);
+        return 0;
+    }
+    release_context(handle);
+    if (!DSO_free(ibmca_dso)) {
+        IBMCAerr(IBMCA_F_IBMCA_FINISH, IBMCA_R_DSO_FAILURE);
+        return 0;
+    }
+    ibmca_dso = NULL;
+
+    return 1;
+}
+
+static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ())
+{
+    int initialised = ((ibmca_dso == NULL) ? 0 : 1);
+    switch (cmd) {
+    case IBMCA_CMD_SO_PATH:
+        if (p == NULL) {
+            IBMCAerr(IBMCA_F_IBMCA_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+            return 0;
+        }
+        if (initialised) {
+            IBMCAerr(IBMCA_F_IBMCA_CTRL, IBMCA_R_ALREADY_LOADED);
+            return 0;
+        }
+        IBMCA_LIBNAME = (const char *)p;
+        return 1;
+    default:
+        break;
+    }
+    IBMCAerr(IBMCA_F_IBMCA_CTRL, IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+    return 0;
+}
+
+static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                         const BIGNUM *m, BN_CTX *ctx)
+{
+    /*
+     * I need somewhere to store temporary serialised values for use with the
+     * Ibmca API calls. A neat cheat - I'll use BIGNUMs from the BN_CTX but
+     * access their arrays directly as byte arrays <grin>. This way I don't
+     * have to clean anything up.
+     */
+
+    BIGNUM *argument = NULL;
+    BIGNUM *result = NULL;
+    BIGNUM *key = NULL;
+    int to_return;
+    int inLen, outLen, tmpLen;
+
+    ICA_KEY_RSA_MODEXPO *publKey = NULL;
+    unsigned int rc;
+
+    to_return = 0;              /* expect failure */
+
+    if (!ibmca_dso) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_NOT_LOADED);
+        goto err;
+    }
+    /* Prepare the params */
+    BN_CTX_start(ctx);
+    argument = BN_CTX_get(ctx);
+    result = BN_CTX_get(ctx);
+    key = BN_CTX_get(ctx);
+
+    if (!argument || !result || !key) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_BN_CTX_FULL);
+        goto err;
+    }
+
+    if (!bn_wexpand(argument, m->top) || !bn_wexpand(result, m->top) ||
+        !bn_wexpand(key, sizeof(*publKey) / BN_BYTES)) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_BN_EXPAND_FAIL);
+        goto err;
+    }
+
+    publKey = (ICA_KEY_RSA_MODEXPO *)key->d;
+
+    if (publKey == NULL) {
+        goto err;
+    }
+    memset(publKey, 0, sizeof(ICA_KEY_RSA_MODEXPO));
+
+    publKey->keyType = CORRECT_ENDIANNESS(ME_KEY_TYPE);
+    publKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_MODEXPO));
+    publKey->expOffset = (char *)publKey->keyRecord - (char *)publKey;
+
+    /*
+     * A quirk of the card: the exponent length has to be the same as the
+     * modulus (key) length
+     */
+
+    outLen = BN_num_bytes(m);
+
+/* check for modulus length SAB*/
+    if (outLen > 256) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_MEXP_LENGTH_TO_LARGE);
+        goto err;
+    }
+/* check for modulus length SAB*/
+
+    publKey->expLength = publKey->nLength = outLen;
+    /*
+     * SAB Check for underflow condition the size of the exponent is less
+     * than the size of the parameter then we have a big problem and will
+     * underflow the keyRecord buffer.  Bad stuff could happen then
+     */
+    if (outLen < BN_num_bytes(p)) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_UNDERFLOW_KEYRECORD);
+        goto err;
+    }
+/* SAB End check for underflow */
+
+    BN_bn2bin(p, &publKey->keyRecord[publKey->expLength - BN_num_bytes(p)]);
+    BN_bn2bin(m, &publKey->keyRecord[publKey->expLength]);
+
+    publKey->modulusBitLength = CORRECT_ENDIANNESS(publKey->nLength * 8);
+    publKey->nOffset = CORRECT_ENDIANNESS(publKey->expOffset +
+                                          publKey->expLength);
+
+    publKey->expOffset = CORRECT_ENDIANNESS((char *)publKey->keyRecord -
+                                            (char *)publKey);
+
+    tmpLen = outLen;
+    publKey->expLength = publKey->nLength = CORRECT_ENDIANNESS(tmpLen);
+
+    /* Prepare the argument */
+
+    memset(argument->d, 0, outLen);
+    BN_bn2bin(a, (unsigned char *)argument->d + outLen - BN_num_bytes(a));
+
+    inLen = outLen;
+
+    /* Perform the operation */
+
+    if ((rc = p_icaRsaModExpo(handle, inLen, (unsigned char *)argument->d,
+                              publKey, &outLen, (unsigned char *)result->d))
+        != 0) {
+        printf("rc = %d\n", rc);
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_REQUEST_FAILED);
+        goto err;
+    }
+
+    /* Convert the response */
+    BN_bin2bn((unsigned char *)result->d, outLen, r);
+    to_return = 1;
+ err:
+    BN_CTX_end(ctx);
+    return to_return;
+}
+
+#  ifndef OPENSSL_NO_RSA
+static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
+{
+    BN_CTX *ctx;
+    int to_return = 0;
+
+    if ((ctx = BN_CTX_new()) == NULL)
+        goto err;
+    if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
+        if (!rsa->d || !rsa->n) {
+            IBMCAerr(IBMCA_F_IBMCA_RSA_MOD_EXP,
+                     IBMCA_R_MISSING_KEY_COMPONENTS);
+            goto err;
+        }
+        to_return = ibmca_mod_exp(r0, I, rsa->d, rsa->n, ctx);
+    } else {
+        to_return = ibmca_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
+                                      rsa->dmq1, rsa->iqmp, ctx);
+    }
+ err:
+    if (ctx)
+        BN_CTX_free(ctx);
+    return to_return;
+}
+#  endif
+
+/* Ein kleines chinesisches "Restessen"  */
+static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                             const BIGNUM *q, const BIGNUM *dmp1,
+                             const BIGNUM *dmq1, const BIGNUM *iqmp,
+                             BN_CTX *ctx)
+{
+
+    BIGNUM *argument = NULL;
+    BIGNUM *result = NULL;
+    BIGNUM *key = NULL;
+
+    int to_return = 0;          /* expect failure */
+
+    char *pkey = NULL;
+    ICA_KEY_RSA_CRT *privKey = NULL;
+    int inLen, outLen;
+
+    int rc;
+    unsigned int offset, pSize, qSize;
+/* SAB New variables */
+    unsigned int keyRecordSize;
+    unsigned int pbytes = BN_num_bytes(p);
+    unsigned int qbytes = BN_num_bytes(q);
+    unsigned int dmp1bytes = BN_num_bytes(dmp1);
+    unsigned int dmq1bytes = BN_num_bytes(dmq1);
+    unsigned int iqmpbytes = BN_num_bytes(iqmp);
+
+    /* Prepare the params */
+
+    BN_CTX_start(ctx);
+    argument = BN_CTX_get(ctx);
+    result = BN_CTX_get(ctx);
+    key = BN_CTX_get(ctx);
+
+    if (!argument || !result || !key) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_BN_CTX_FULL);
+        goto err;
+    }
+
+    if (!bn_wexpand(argument, p->top + q->top) ||
+        !bn_wexpand(result, p->top + q->top) ||
+        !bn_wexpand(key, sizeof(*privKey) / BN_BYTES)) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_BN_EXPAND_FAIL);
+        goto err;
+    }
+
+    privKey = (ICA_KEY_RSA_CRT *)key->d;
+    /*
+     * SAB Add check for total size in bytes of the parms does not exceed the
+     * buffer space we have do this first
+     */
+    keyRecordSize = pbytes + qbytes + dmp1bytes + dmq1bytes + iqmpbytes;
+    if (keyRecordSize > sizeof(privKey->keyRecord)) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE);
+        goto err;
+    }
+
+    if ((qbytes + dmq1bytes) > 256) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE);
+        goto err;
+    }
+
+    if (pbytes + dmp1bytes > 256) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE);
+        goto err;
+    }
+
+/* end SAB additions */
+
+    memset(privKey, 0, sizeof(ICA_KEY_RSA_CRT));
+    privKey->keyType = CORRECT_ENDIANNESS(CRT_KEY_TYPE);
+    privKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_CRT));
+    privKey->modulusBitLength = CORRECT_ENDIANNESS(BN_num_bytes(q) * 2 * 8);
+
+    /*
+     * p,dp & qInv are 1 QWORD Larger
+     */
+    privKey->pLength = CORRECT_ENDIANNESS(BN_num_bytes(p) + 8);
+    privKey->qLength = CORRECT_ENDIANNESS(BN_num_bytes(q));
+    privKey->dpLength = CORRECT_ENDIANNESS(BN_num_bytes(dmp1) + 8);
+    privKey->dqLength = CORRECT_ENDIANNESS(BN_num_bytes(dmq1));
+    privKey->qInvLength = CORRECT_ENDIANNESS(BN_num_bytes(iqmp) + 8);
+
+    offset = (char *)privKey->keyRecord - (char *)privKey;
+
+    qSize = BN_num_bytes(q);
+    pSize = qSize + 8;          /* 1 QWORD larger */
+
+    /*
+     * SAB probably aittle redundant, but we'll verify that each of the
+     * components which make up a key record sent ot the card does not exceed
+     * the space that is allocated for it.  this handles the case where even
+     * if the total length does not exceed keyrecord zied, if the operands are
+     * funny sized they could cause potential side affects on either the card
+     * or the result
+     */
+
+    if ((pbytes > pSize) || (dmp1bytes > pSize) ||
+        (iqmpbytes > pSize) || (qbytes > qSize) || (dmq1bytes > qSize)) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE);
+        goto err;
+
+    }
+
+    privKey->dpOffset = CORRECT_ENDIANNESS(offset);
+
+    offset += pSize;
+    privKey->dqOffset = CORRECT_ENDIANNESS(offset);
+
+    offset += qSize;
+    privKey->pOffset = CORRECT_ENDIANNESS(offset);
+
+    offset += pSize;
+    privKey->qOffset = CORRECT_ENDIANNESS(offset);
+
+    offset += qSize;
+    privKey->qInvOffset = CORRECT_ENDIANNESS(offset);
+
+    pkey = (char *)privKey->keyRecord;
+
+/* SAB first check that we don;t under flow the buffer */
+    if (pSize < pbytes) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_UNDERFLOW_CONDITION);
+        goto err;
+    }
+
+    /* pkey += pSize - BN_num_bytes(p); WROING this should be dmp1) */
+    pkey += pSize - BN_num_bytes(dmp1);
+    BN_bn2bin(dmp1, pkey);
+    pkey += BN_num_bytes(dmp1); /* move the pointer */
+
+    BN_bn2bin(dmq1, pkey);      /* Copy over dmq1 */
+
+    pkey += qSize;              /* move pointer */
+    /* set up for zero padding of next field */
+    pkey += pSize - BN_num_bytes(p);
+
+    BN_bn2bin(p, pkey);
+    /* increment pointer by number of bytes moved  */
+    pkey += BN_num_bytes(p);
+
+    BN_bn2bin(q, pkey);
+    pkey += qSize;              /* move the pointer */
+    pkey += pSize - BN_num_bytes(iqmp); /* Adjust for padding */
+    BN_bn2bin(iqmp, pkey);
+
+    /* Prepare the argument and response */
+
+    /*
+     * Correct endianess is used because the fields were converted above
+     */
+    outLen = CORRECT_ENDIANNESS(privKey->qLength) * 2;
+
+    if (outLen > 256) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OUTLEN_TO_LARGE);
+        goto err;
+    }
+
+    /* SAB check for underflow here on the argeument */
+    if (outLen < BN_num_bytes(a)) {
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_UNDERFLOW_CONDITION);
+        goto err;
+    }
+
+    BN_bn2bin(a, (unsigned char *)argument->d + outLen - BN_num_bytes(a));
+    inLen = outLen;
+
+    memset(result->d, 0, outLen);
+
+    /* Perform the operation */
+
+    if ((rc = p_icaRsaCrt(handle, inLen, (unsigned char *)argument->d,
+                          privKey, &outLen, (unsigned char *)result->d)) != 0)
+    {
+        printf("rc = %d\n", rc);
+        IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_REQUEST_FAILED);
+        goto err;
+    }
+
+    /* Convert the response */
+
+    BN_bin2bn((unsigned char *)result->d, outLen, r);
+    to_return = 1;
+
+ err:
+    BN_CTX_end(ctx);
+    return to_return;
+
+}
+
+#  ifndef OPENSSL_NO_DSA
+/*
+ * This code was liberated and adapted from the commented-out code in
+ * dsa_ossl.c. Because of the unoptimised form of the Ibmca acceleration (it
+ * doesn't have a CRT form for RSA), this function means that an Ibmca system
+ * running with a DSA server certificate can handshake around 5 or 6 times
+ * faster/more than an equivalent system running with RSA. Just check out the
+ * "signs" statistics from the RSA and DSA parts of "openssl speed -engine
+ * ibmca dsa1024 rsa1024".
+ */
+static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
+                             BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
+                             BN_CTX *ctx, BN_MONT_CTX *in_mont)
+{
+    BIGNUM t;
+    int to_return = 0;
+
+    BN_init(&t);
+    /* let rr = a1 ^ p1 mod m */
+    if (!ibmca_mod_exp(rr, a1, p1, m, ctx))
+        goto end;
+    /* let t = a2 ^ p2 mod m */
+    if (!ibmca_mod_exp(&t, a2, p2, m, ctx))
+        goto end;
+    /* let rr = rr * t mod m */
+    if (!BN_mod_mul(rr, rr, &t, m, ctx))
+        goto end;
+    to_return = 1;
+ end:
+    BN_free(&t);
+    return to_return;
+}
+
+static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+                             const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                             BN_MONT_CTX *m_ctx)
+{
+    return ibmca_mod_exp(r, a, p, m, ctx);
+}
+#  endif
+
+/* This function is aliased to mod_exp (with the mont stuff dropped). */
+static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                              const BIGNUM *m, BN_CTX *ctx,
+                              BN_MONT_CTX *m_ctx)
+{
+    return ibmca_mod_exp(r, a, p, m, ctx);
+}
+
+#  ifndef OPENSSL_NO_DH
+/* This function is aliased to mod_exp (with the dh and mont dropped). */
+static int ibmca_mod_exp_dh(DH const *dh, BIGNUM *r,
+                            const BIGNUM *a, const BIGNUM *p,
+                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+    return ibmca_mod_exp(r, a, p, m, ctx);
+}
+#  endif
+
+/* Random bytes are good */
+static int ibmca_rand_bytes(unsigned char *buf, int num)
+{
+    int to_return = 0;          /* assume failure */
+    unsigned int ret;
+
+    if (handle == 0) {
+        IBMCAerr(IBMCA_F_IBMCA_RAND_BYTES, IBMCA_R_NOT_INITIALISED);
+        goto err;
+    }
+
+    ret = p_icaRandomNumberGenerate(handle, num, buf);
+    if (ret < 0) {
+        IBMCAerr(IBMCA_F_IBMCA_RAND_BYTES, IBMCA_R_REQUEST_FAILED);
+        goto err;
+    }
+    to_return = 1;
+ err:
+    return to_return;
+}
+
+static int ibmca_rand_status(void)
+{
+    return 1;
+}
+
+/*
+ * This stuff is needed if this ENGINE is being compiled into a
+ * self-contained shared-library.
+ */
+#  ifdef ENGINE_DYNAMIC_SUPPORT
+static int bind_fn(ENGINE *e, const char *id)
+{
+    if (id && (strcmp(id, engine_ibmca_id) != 0)) /* WJH XXX */
+        return 0;
+    if (!bind_helper(e))
+        return 0;
+    return 1;
+}
+
+IMPLEMENT_DYNAMIC_CHECK_FN()
+    IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+#  endif                        /* ENGINE_DYNAMIC_SUPPORT */
+# endif                         /* !OPENSSL_NO_HW_IBMCA */
+#endif                          /* !OPENSSL_NO_HW */
diff --git a/openssl/demos/engines/ibmca/hw_ibmca_err.c b/openssl/demos/engines/ibmca/hw_ibmca_err.c
index c4053f6d3..9bcb8004b 100644
--- a/openssl/demos/engines/ibmca/hw_ibmca_err.c
+++ b/openssl/demos/engines/ibmca/hw_ibmca_err.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,7 +53,8 @@
  *
  */
 
-/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
  * made to it will be overwritten when the script next updates this file,
  * only reason strings will be preserved.
  */
@@ -64,91 +65,85 @@
 
 /* BEGIN ERROR CODES */
 #ifndef OPENSSL_NO_ERR
-static ERR_STRING_DATA IBMCA_str_functs[]=
-	{
-{ERR_PACK(0,IBMCA_F_IBMCA_CTRL,0),	"IBMCA_CTRL"},
-{ERR_PACK(0,IBMCA_F_IBMCA_FINISH,0),	"IBMCA_FINISH"},
-{ERR_PACK(0,IBMCA_F_IBMCA_INIT,0),	"IBMCA_INIT"},
-{ERR_PACK(0,IBMCA_F_IBMCA_MOD_EXP,0),	"IBMCA_MOD_EXP"},
-{ERR_PACK(0,IBMCA_F_IBMCA_MOD_EXP_CRT,0),	"IBMCA_MOD_EXP_CRT"},
-{ERR_PACK(0,IBMCA_F_IBMCA_RAND_BYTES,0),	"IBMCA_RAND_BYTES"},
-{ERR_PACK(0,IBMCA_F_IBMCA_RSA_MOD_EXP,0),	"IBMCA_RSA_MOD_EXP"},
-{0,NULL}
-	};
+static ERR_STRING_DATA IBMCA_str_functs[] = {
+    {ERR_PACK(0, IBMCA_F_IBMCA_CTRL, 0), "IBMCA_CTRL"},
+    {ERR_PACK(0, IBMCA_F_IBMCA_FINISH, 0), "IBMCA_FINISH"},
+    {ERR_PACK(0, IBMCA_F_IBMCA_INIT, 0), "IBMCA_INIT"},
+    {ERR_PACK(0, IBMCA_F_IBMCA_MOD_EXP, 0), "IBMCA_MOD_EXP"},
+    {ERR_PACK(0, IBMCA_F_IBMCA_MOD_EXP_CRT, 0), "IBMCA_MOD_EXP_CRT"},
+    {ERR_PACK(0, IBMCA_F_IBMCA_RAND_BYTES, 0), "IBMCA_RAND_BYTES"},
+    {ERR_PACK(0, IBMCA_F_IBMCA_RSA_MOD_EXP, 0), "IBMCA_RSA_MOD_EXP"},
+    {0, NULL}
+};
 
-static ERR_STRING_DATA IBMCA_str_reasons[]=
-	{
-{IBMCA_R_ALREADY_LOADED                  ,"already loaded"},
-{IBMCA_R_BN_CTX_FULL                     ,"bn ctx full"},
-{IBMCA_R_BN_EXPAND_FAIL                  ,"bn expand fail"},
-{IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED    ,"ctrl command not implemented"},
-{IBMCA_R_DSO_FAILURE                     ,"dso failure"},
-{IBMCA_R_MEXP_LENGTH_TO_LARGE            ,"mexp length to large"},
-{IBMCA_R_MISSING_KEY_COMPONENTS          ,"missing key components"},
-{IBMCA_R_NOT_INITIALISED                 ,"not initialised"},
-{IBMCA_R_NOT_LOADED                      ,"not loaded"},
-{IBMCA_R_OPERANDS_TO_LARGE               ,"operands to large"},
-{IBMCA_R_OUTLEN_TO_LARGE                 ,"outlen to large"},
-{IBMCA_R_REQUEST_FAILED                  ,"request failed"},
-{IBMCA_R_UNDERFLOW_CONDITION             ,"underflow condition"},
-{IBMCA_R_UNDERFLOW_KEYRECORD             ,"underflow keyrecord"},
-{IBMCA_R_UNIT_FAILURE                    ,"unit failure"},
-{0,NULL}
-	};
+static ERR_STRING_DATA IBMCA_str_reasons[] = {
+    {IBMCA_R_ALREADY_LOADED, "already loaded"},
+    {IBMCA_R_BN_CTX_FULL, "bn ctx full"},
+    {IBMCA_R_BN_EXPAND_FAIL, "bn expand fail"},
+    {IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED, "ctrl command not implemented"},
+    {IBMCA_R_DSO_FAILURE, "dso failure"},
+    {IBMCA_R_MEXP_LENGTH_TO_LARGE, "mexp length to large"},
+    {IBMCA_R_MISSING_KEY_COMPONENTS, "missing key components"},
+    {IBMCA_R_NOT_INITIALISED, "not initialised"},
+    {IBMCA_R_NOT_LOADED, "not loaded"},
+    {IBMCA_R_OPERANDS_TO_LARGE, "operands to large"},
+    {IBMCA_R_OUTLEN_TO_LARGE, "outlen to large"},
+    {IBMCA_R_REQUEST_FAILED, "request failed"},
+    {IBMCA_R_UNDERFLOW_CONDITION, "underflow condition"},
+    {IBMCA_R_UNDERFLOW_KEYRECORD, "underflow keyrecord"},
+    {IBMCA_R_UNIT_FAILURE, "unit failure"},
+    {0, NULL}
+};
 
 #endif
 
 #ifdef IBMCA_LIB_NAME
-static ERR_STRING_DATA IBMCA_lib_name[]=
-        {
-{0	,IBMCA_LIB_NAME},
-{0,NULL}
-	};
+static ERR_STRING_DATA IBMCA_lib_name[] = {
+    {0, IBMCA_LIB_NAME},
+    {0, NULL}
+};
 #endif
 
-
-static int IBMCA_lib_error_code=0;
-static int IBMCA_error_init=1;
+static int IBMCA_lib_error_code = 0;
+static int IBMCA_error_init = 1;
 
 static void ERR_load_IBMCA_strings(void)
-	{
-	if (IBMCA_lib_error_code == 0)
-		IBMCA_lib_error_code=ERR_get_next_error_library();
+{
+    if (IBMCA_lib_error_code == 0)
+        IBMCA_lib_error_code = ERR_get_next_error_library();
 
-	if (IBMCA_error_init)
-		{
-		IBMCA_error_init=0;
+    if (IBMCA_error_init) {
+        IBMCA_error_init = 0;
 #ifndef OPENSSL_NO_ERR
-		ERR_load_strings(IBMCA_lib_error_code,IBMCA_str_functs);
-		ERR_load_strings(IBMCA_lib_error_code,IBMCA_str_reasons);
+        ERR_load_strings(IBMCA_lib_error_code, IBMCA_str_functs);
+        ERR_load_strings(IBMCA_lib_error_code, IBMCA_str_reasons);
 #endif
 
 #ifdef IBMCA_LIB_NAME
-		IBMCA_lib_name->error = ERR_PACK(IBMCA_lib_error_code,0,0);
-		ERR_load_strings(0,IBMCA_lib_name);
+        IBMCA_lib_name->error = ERR_PACK(IBMCA_lib_error_code, 0, 0);
+        ERR_load_strings(0, IBMCA_lib_name);
 #endif
-		}
-	}
+    }
+}
 
 static void ERR_unload_IBMCA_strings(void)
-	{
-	if (IBMCA_error_init == 0)
-		{
+{
+    if (IBMCA_error_init == 0) {
 #ifndef OPENSSL_NO_ERR
-		ERR_unload_strings(IBMCA_lib_error_code,IBMCA_str_functs);
-		ERR_unload_strings(IBMCA_lib_error_code,IBMCA_str_reasons);
+        ERR_unload_strings(IBMCA_lib_error_code, IBMCA_str_functs);
+        ERR_unload_strings(IBMCA_lib_error_code, IBMCA_str_reasons);
 #endif
 
 #ifdef IBMCA_LIB_NAME
-		ERR_unload_strings(0,IBMCA_lib_name);
+        ERR_unload_strings(0, IBMCA_lib_name);
 #endif
-		IBMCA_error_init=1;
-		}
-	}
+        IBMCA_error_init = 1;
+    }
+}
 
 static void ERR_IBMCA_error(int function, int reason, char *file, int line)
-	{
-	if (IBMCA_lib_error_code == 0)
-		IBMCA_lib_error_code=ERR_get_next_error_library();
-	ERR_PUT_error(IBMCA_lib_error_code,function,reason,file,line);
-	}
+{
+    if (IBMCA_lib_error_code == 0)
+        IBMCA_lib_error_code = ERR_get_next_error_library();
+    ERR_PUT_error(IBMCA_lib_error_code, function, reason, file, line);
+}
diff --git a/openssl/demos/engines/ibmca/hw_ibmca_err.h b/openssl/demos/engines/ibmca/hw_ibmca_err.h
index 2070f9579..c17e0c93b 100644
--- a/openssl/demos/engines/ibmca/hw_ibmca_err.h
+++ b/openssl/demos/engines/ibmca/hw_ibmca_err.h
@@ -6,7 +6,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,48 +53,49 @@
  */
 
 #ifndef HEADER_IBMCA_ERR_H
-#define HEADER_IBMCA_ERR_H
+# define HEADER_IBMCA_ERR_H
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /* BEGIN ERROR CODES */
-/* The following lines are auto generated by the script mkerr.pl. Any changes
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
 static void ERR_load_IBMCA_strings(void);
 static void ERR_unload_IBMCA_strings(void);
 static void ERR_IBMCA_error(int function, int reason, char *file, int line);
-#define IBMCAerr(f,r) ERR_IBMCA_error((f),(r),__FILE__,__LINE__)
+# define IBMCAerr(f,r) ERR_IBMCA_error((f),(r),__FILE__,__LINE__)
 
 /* Error codes for the IBMCA functions. */
 
 /* Function codes. */
-#define IBMCA_F_IBMCA_CTRL				 100
-#define IBMCA_F_IBMCA_FINISH				 101
-#define IBMCA_F_IBMCA_INIT				 102
-#define IBMCA_F_IBMCA_MOD_EXP				 103
-#define IBMCA_F_IBMCA_MOD_EXP_CRT			 104
-#define IBMCA_F_IBMCA_RAND_BYTES			 105
-#define IBMCA_F_IBMCA_RSA_MOD_EXP			 106
+# define IBMCA_F_IBMCA_CTRL                               100
+# define IBMCA_F_IBMCA_FINISH                             101
+# define IBMCA_F_IBMCA_INIT                               102
+# define IBMCA_F_IBMCA_MOD_EXP                            103
+# define IBMCA_F_IBMCA_MOD_EXP_CRT                        104
+# define IBMCA_F_IBMCA_RAND_BYTES                         105
+# define IBMCA_F_IBMCA_RSA_MOD_EXP                        106
 
 /* Reason codes. */
-#define IBMCA_R_ALREADY_LOADED				 100
-#define IBMCA_R_BN_CTX_FULL				 101
-#define IBMCA_R_BN_EXPAND_FAIL				 102
-#define IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED		 103
-#define IBMCA_R_DSO_FAILURE				 104
-#define IBMCA_R_MEXP_LENGTH_TO_LARGE			 105
-#define IBMCA_R_MISSING_KEY_COMPONENTS			 106
-#define IBMCA_R_NOT_INITIALISED				 107
-#define IBMCA_R_NOT_LOADED				 108
-#define IBMCA_R_OPERANDS_TO_LARGE			 109
-#define IBMCA_R_OUTLEN_TO_LARGE				 110
-#define IBMCA_R_REQUEST_FAILED				 111
-#define IBMCA_R_UNDERFLOW_CONDITION			 112
-#define IBMCA_R_UNDERFLOW_KEYRECORD			 113
-#define IBMCA_R_UNIT_FAILURE				 114
+# define IBMCA_R_ALREADY_LOADED                           100
+# define IBMCA_R_BN_CTX_FULL                              101
+# define IBMCA_R_BN_EXPAND_FAIL                           102
+# define IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED             103
+# define IBMCA_R_DSO_FAILURE                              104
+# define IBMCA_R_MEXP_LENGTH_TO_LARGE                     105
+# define IBMCA_R_MISSING_KEY_COMPONENTS                   106
+# define IBMCA_R_NOT_INITIALISED                          107
+# define IBMCA_R_NOT_LOADED                               108
+# define IBMCA_R_OPERANDS_TO_LARGE                        109
+# define IBMCA_R_OUTLEN_TO_LARGE                          110
+# define IBMCA_R_REQUEST_FAILED                           111
+# define IBMCA_R_UNDERFLOW_CONDITION                      112
+# define IBMCA_R_UNDERFLOW_KEYRECORD                      113
+# define IBMCA_R_UNIT_FAILURE                             114
 
 #ifdef  __cplusplus
 }
diff --git a/openssl/demos/engines/ibmca/ica_openssl_api.h b/openssl/demos/engines/ibmca/ica_openssl_api.h
index c77e0fd5c..715bb928b 100644
--- a/openssl/demos/engines/ibmca/ica_openssl_api.h
+++ b/openssl/demos/engines/ibmca/ica_openssl_api.h
@@ -1,189 +1,183 @@
 
 #ifndef __ICA_OPENSSL_API_H__
-#define __ICA_OPENSSL_API_H__
+# define __ICA_OPENSSL_API_H__
 
 /**
  ** abstract data types for API
  **/
 
-#define ICA_ADAPTER_HANDLE int
+# define ICA_ADAPTER_HANDLE int
 
-#if defined(linux) || defined (_AIX)
-#define ICA_CALL 
-#endif
+# if defined(linux) || defined (_AIX)
+#  define ICA_CALL
+# endif
 
-#if defined(WIN32) || defined(_WIN32)
-#define ICA_CALL  __stdcall
-#endif
+# if defined(WIN32) || defined(_WIN32)
+#  define ICA_CALL  __stdcall
+# endif
 
-/*------------------------------------------------*
+/* -----------------------------------------------*
  | RSA defines and typedefs                       |
  *------------------------------------------------*/
  /*
- * All data elements of the RSA key are in big-endian format
- * Modulus-Exponent form of key
- *
- */
- #define MAX_EXP_SIZE 256
- #define MAX_MODULUS_SIZE 256
- #define MAX_MODEXP_SIZE  (MAX_EXP_SIZE + MAX_MODULUS_SIZE)
+  * All data elements of the RSA key are in big-endian format
+  * Modulus-Exponent form of key
+  *
+  */
+# define MAX_EXP_SIZE 256
+# define MAX_MODULUS_SIZE 256
+# define MAX_MODEXP_SIZE  (MAX_EXP_SIZE + MAX_MODULUS_SIZE)
 
- #define MAX_OPERAND_SIZE  MAX_EXP_SIZE
+# define MAX_OPERAND_SIZE  MAX_EXP_SIZE
 
- typedef unsigned char ICA_KEY_RSA_MODEXPO_REC[MAX_MODEXP_SIZE];
+typedef unsigned char ICA_KEY_RSA_MODEXPO_REC[MAX_MODEXP_SIZE];
  /*
- * All data elements of the RSA key are in big-endian format
- * Chinese Remainder Thereom(CRT) form of key
- * Used only for Decrypt, the encrypt form is typically Modulus-Exponent
- *
- */
- #define MAX_BP_SIZE 136
- #define MAX_BQ_SIZE 128
- #define MAX_NP_SIZE 136
- #define MAX_NQ_SIZE 128
- #define MAX_QINV_SIZE 136
- #define MAX_RSACRT_SIZE (MAX_BP_SIZE+MAX_BQ_SIZE+MAX_NP_SIZE+MAX_NQ_SIZE+MAX_QINV_SIZE)
-
-#define RSA_GEN_OPERAND_MAX   256 /* bytes */
+  * All data elements of the RSA key are in big-endian format
+  * Chinese Remainder Thereom(CRT) form of key
+  * Used only for Decrypt, the encrypt form is typically Modulus-Exponent
+  *
+  */
+# define MAX_BP_SIZE 136
+# define MAX_BQ_SIZE 128
+# define MAX_NP_SIZE 136
+# define MAX_NQ_SIZE 128
+# define MAX_QINV_SIZE 136
+# define MAX_RSACRT_SIZE (MAX_BP_SIZE+MAX_BQ_SIZE+MAX_NP_SIZE+MAX_NQ_SIZE+MAX_QINV_SIZE)
+
+# define RSA_GEN_OPERAND_MAX   256/* bytes */
 
 typedef unsigned char ICA_KEY_RSA_CRT_REC[MAX_RSACRT_SIZE];
-/*------------------------------------------------*
+/* -----------------------------------------------*
  | RSA key token types                            |
  *------------------------------------------------*/
 
-#define  RSA_PUBLIC_MODULUS_EXPONENT        3
-#define  RSA_PKCS_PRIVATE_CHINESE_REMAINDER 6
+# define  RSA_PUBLIC_MODULUS_EXPONENT        3
+# define  RSA_PKCS_PRIVATE_CHINESE_REMAINDER 6
 
-#define KEYTYPE_MODEXPO         1
-#define KEYTYPE_PKCSCRT         2
+# define KEYTYPE_MODEXPO         1
+# define KEYTYPE_PKCSCRT         2
 
-
-/*------------------------------------------------*
+/* -----------------------------------------------*
  | RSA Key Token format                           |
  *------------------------------------------------*/
 
-/*
+/*-
  * NOTE:  All the fields in the ICA_KEY_RSA_MODEXPO structure
  *        (lengths, offsets, exponents, modulus, etc.) are
  *        stored in big-endian format
  */
 
-typedef struct _ICA_KEY_RSA_MODEXPO
-{   unsigned int  keyType;             /* RSA key type.               */
-    unsigned int  keyLength;           /* Total length of the token.  */
-    unsigned int  modulusBitLength;    /* Modulus n bit length.       */
-                                       /* -- Start of the data length.*/
-    unsigned int  nLength;             /* Modulus n = p * q           */
-    unsigned int  expLength;           /* exponent (public or private)*/
-                                       /*   e = 1/d * mod(p-1)(q-1)   */
-                                       /* -- Start of the data offsets*/
-    unsigned int  nOffset;             /* Modulus n .                 */
-    unsigned int  expOffset;           /* exponent (public or private)*/
-    unsigned char reserved[112];       /* reserved area               */
-                                       /* -- Start of the variable -- */
-                                       /* -- length token data.    -- */
+typedef struct _ICA_KEY_RSA_MODEXPO {
+    unsigned int keyType;       /* RSA key type.  */
+    unsigned int keyLength;     /* Total length of the token.  */
+    unsigned int modulusBitLength; /* Modulus n bit length.  */
+    /* -- Start of the data length. */
+    unsigned int nLength;       /* Modulus n = p * q */
+    unsigned int expLength;     /* exponent (public or private) */
+    /*   e = 1/d * mod(p-1)(q-1)   */
+    /* -- Start of the data offsets */
+    unsigned int nOffset;       /* Modulus n .  */
+    unsigned int expOffset;     /* exponent (public or private) */
+    unsigned char reserved[112]; /* reserved area */
+    /* -- Start of the variable -- */
+    /* -- length token data.    -- */
     ICA_KEY_RSA_MODEXPO_REC keyRecord;
 } ICA_KEY_RSA_MODEXPO;
-#define SZ_HEADER_MODEXPO (sizeof(ICA_KEY_RSA_MODEXPO) - sizeof(ICA_KEY_RSA_MODEXPO_REC))
+# define SZ_HEADER_MODEXPO (sizeof(ICA_KEY_RSA_MODEXPO) - sizeof(ICA_KEY_RSA_MODEXPO_REC))
 
-/*
+/*-
  * NOTE:  All the fields in the ICA_KEY_RSA_CRT structure
  *        (lengths, offsets, exponents, modulus, etc.) are
  *        stored in big-endian format
  */
 
-typedef struct _ICA_KEY_RSA_CRT
-{   unsigned int  keyType;             /* RSA key type.               */
-    unsigned int  keyLength;           /* Total length of the token.  */
-    unsigned int  modulusBitLength;    /* Modulus n bit length.       */
-                                       /* -- Start of the data length.*/
-#if _AIX
-    unsigned int  nLength;             /* Modulus n = p * q           */
-#endif
-    unsigned int  pLength;             /* Prime number p .            */
-    unsigned int  qLength;             /* Prime number q .            */
-    unsigned int  dpLength;            /* dp = d * mod(p-1) .         */
-    unsigned int  dqLength;            /* dq = d * mod(q-1) .         */
-    unsigned int  qInvLength;          /* PKCS: qInv = Ap/q           */
-                                       /* -- Start of the data offsets*/
-#if _AIX
-    unsigned int  nOffset;             /* Modulus n .                 */
-#endif
-    unsigned int  pOffset;             /* Prime number p .            */
-    unsigned int  qOffset;             /* Prime number q .            */
-    unsigned int  dpOffset;            /* dp .                        */
-    unsigned int  dqOffset;            /* dq .                        */
-    unsigned int  qInvOffset;          /* qInv for PKCS               */
-#if _AIX
-    unsigned char reserved[80];        /* reserved area               */
-#else
-    unsigned char reserved[88];        /* reserved area               */
-#endif
-                                       /* -- Start of the variable -- */
-                                       /* -- length token data.    -- */
+typedef struct _ICA_KEY_RSA_CRT {
+    unsigned int keyType;       /* RSA key type.  */
+    unsigned int keyLength;     /* Total length of the token.  */
+    unsigned int modulusBitLength; /* Modulus n bit length.  */
+    /* -- Start of the data length. */
+# if _AIX
+    unsigned int nLength;       /* Modulus n = p * q */
+# endif
+    unsigned int pLength;       /* Prime number p .  */
+    unsigned int qLength;       /* Prime number q .  */
+    unsigned int dpLength;      /* dp = d * mod(p-1) .  */
+    unsigned int dqLength;      /* dq = d * mod(q-1) .  */
+    unsigned int qInvLength;    /* PKCS: qInv = Ap/q */
+    /* -- Start of the data offsets */
+# if _AIX
+    unsigned int nOffset;       /* Modulus n .  */
+# endif
+    unsigned int pOffset;       /* Prime number p .  */
+    unsigned int qOffset;       /* Prime number q .  */
+    unsigned int dpOffset;      /* dp .  */
+    unsigned int dqOffset;      /* dq .  */
+    unsigned int qInvOffset;    /* qInv for PKCS */
+# if _AIX
+    unsigned char reserved[80]; /* reserved area */
+# else
+    unsigned char reserved[88]; /* reserved area */
+# endif
+    /* -- Start of the variable -- */
+    /* -- length token data.    -- */
     ICA_KEY_RSA_CRT_REC keyRecord;
 } ICA_KEY_RSA_CRT;
-#define SZ_HEADER_CRT (sizeof(ICA_KEY_RSA_CRT) - sizeof(ICA_KEY_RSA_CRT_REC))
+# define SZ_HEADER_CRT (sizeof(ICA_KEY_RSA_CRT) - sizeof(ICA_KEY_RSA_CRT_REC))
 
 unsigned int
-icaOpenAdapter( unsigned int        adapterId,
-	        ICA_ADAPTER_HANDLE *pAdapterHandle );
+icaOpenAdapter(unsigned int adapterId, ICA_ADAPTER_HANDLE * pAdapterHandle);
 
-unsigned int
-icaCloseAdapter( ICA_ADAPTER_HANDLE adapterHandle );
+unsigned int icaCloseAdapter(ICA_ADAPTER_HANDLE adapterHandle);
 
 unsigned int
-icaRsaModExpo( ICA_ADAPTER_HANDLE    hAdapterHandle,
-	       unsigned int          inputDataLength,
-	       unsigned char        *pInputData,
-	       ICA_KEY_RSA_MODEXPO  *pKeyModExpo,
-	       unsigned int         *pOutputDataLength,
-	       unsigned char        *pOutputData );
+icaRsaModExpo(ICA_ADAPTER_HANDLE hAdapterHandle,
+              unsigned int inputDataLength,
+              unsigned char *pInputData,
+              ICA_KEY_RSA_MODEXPO *pKeyModExpo,
+              unsigned int *pOutputDataLength, unsigned char *pOutputData);
 
 unsigned int
-icaRsaCrt( ICA_ADAPTER_HANDLE     hAdapterHandle,
-	   unsigned int           inputDataLength,
-	   unsigned char         *pInputData,
-	   ICA_KEY_RSA_CRT       *pKeyCrt,
-	   unsigned int          *pOutputDataLength,
-	   unsigned char         *pOutputData );
+icaRsaCrt(ICA_ADAPTER_HANDLE hAdapterHandle,
+          unsigned int inputDataLength,
+          unsigned char *pInputData,
+          ICA_KEY_RSA_CRT *pKeyCrt,
+          unsigned int *pOutputDataLength, unsigned char *pOutputData);
 
 unsigned int
-icaRandomNumberGenerate( ICA_ADAPTER_HANDLE  hAdapterHandle,
-			 unsigned int        outputDataLength,
-			 unsigned char      *pOutputData );
+icaRandomNumberGenerate(ICA_ADAPTER_HANDLE hAdapterHandle,
+                        unsigned int outputDataLength,
+                        unsigned char *pOutputData);
 
-/* Specific macros and definitions to not have IFDEF;s all over the
-   main code */
+/*
+ * Specific macros and definitions to not have IFDEF;s all over the main code
+ */
 
-#if (_AIX)
+# if (_AIX)
 static const char *IBMCA_LIBNAME = "/lib/libica.a(shr.o)";
-#elif (WIN32)
+# elif (WIN32)
 static const char *IBMCA_LIBNAME = "cryptica";
-#else
+# else
 static const char *IBMCA_LIBNAME = "ica";
-#endif
+# endif
 
-#if (WIN32)
+# if (WIN32)
 /*
- The ICA_KEY_RSA_MODEXPO & ICA_KEY_RSA_CRT lengths and
- offsets must be in big-endian format.
-
-*/
-#define CORRECT_ENDIANNESS(b) (  \
+ * The ICA_KEY_RSA_MODEXPO & ICA_KEY_RSA_CRT lengths and offsets must be in
+ * big-endian format.
+ *
+ */
+#  define CORRECT_ENDIANNESS(b) (  \
                              (((unsigned long) (b) & 0x000000ff) << 24) |  \
                              (((unsigned long) (b) & 0x0000ff00) <<  8) |  \
                              (((unsigned long) (b) & 0x00ff0000) >>  8) |  \
                              (((unsigned long) (b) & 0xff000000) >> 24)    \
                              )
-#define CRT_KEY_TYPE   RSA_PKCS_PRIVATE_CHINESE_REMAINDER
-#define ME_KEY_TYPE    RSA_PUBLIC_MODULUS_EXPONENT
-#else
-#define CORRECT_ENDIANNESS(b) (b)
-#define CRT_KEY_TYPE       KEYTYPE_PKCSCRT
-#define ME_KEY_TYPE        KEYTYPE_MODEXPO
-#endif
-
-
-
-#endif   /* __ICA_OPENSSL_API_H__ */
+#  define CRT_KEY_TYPE   RSA_PKCS_PRIVATE_CHINESE_REMAINDER
+#  define ME_KEY_TYPE    RSA_PUBLIC_MODULUS_EXPONENT
+# else
+#  define CORRECT_ENDIANNESS(b) (b)
+#  define CRT_KEY_TYPE       KEYTYPE_PKCSCRT
+#  define ME_KEY_TYPE        KEYTYPE_MODEXPO
+# endif
+
+#endif                          /* __ICA_OPENSSL_API_H__ */
diff --git a/openssl/demos/engines/rsaref/rsaref.c b/openssl/demos/engines/rsaref/rsaref.c
index f97974fc4..498cc7098 100644
--- a/openssl/demos/engines/rsaref/rsaref.c
+++ b/openssl/demos/engines/rsaref/rsaref.c
@@ -1,6 +1,8 @@
-/* Demo of how to construct your own engine and using it.  The basis of this
-   engine is RSAref, an old reference of the RSA algorithm which can still
-   be found a little here and there. */
+/*
+ * Demo of how to construct your own engine and using it.  The basis of this
+ * engine is RSAref, an old reference of the RSA algorithm which can still be
+ * found a little here and there.
+ */
 
 #include <stdio.h>
 #include <string.h>
@@ -35,177 +37,172 @@ static int rsaref_destroy(ENGINE *e);
 static int rsaref_init(ENGINE *e);
 static int rsaref_finish(ENGINE *e);
 #if 0
-static int rsaref_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()); 
+static int rsaref_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ());
 #endif
 
 /*****************************************************************************
  * Engine commands
  **/
 static const ENGINE_CMD_DEFN rsaref_cmd_defns[] = {
-	{0, NULL, NULL, 0}
-	};
+    {0, NULL, NULL, 0}
+};
 
 /*****************************************************************************
  * RSA functions
  **/
 static int rsaref_private_decrypt(int len, const unsigned char *from,
-	unsigned char *to, RSA *rsa, int padding);
+                                  unsigned char *to, RSA *rsa, int padding);
 static int rsaref_private_encrypt(int len, const unsigned char *from,
-	unsigned char *to, RSA *rsa, int padding);
+                                  unsigned char *to, RSA *rsa, int padding);
 static int rsaref_public_encrypt(int len, const unsigned char *from,
-	unsigned char *to, RSA *rsa, int padding);
+                                 unsigned char *to, RSA *rsa, int padding);
 static int rsaref_public_decrypt(int len, const unsigned char *from,
-	unsigned char *to, RSA *rsa, int padding);
-static int bnref_mod_exp(BIGNUM *r,const BIGNUM *a,const BIGNUM *p,const BIGNUM *m,
-			  BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+                                 unsigned char *to, RSA *rsa, int padding);
+static int bnref_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                         const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
 static int rsaref_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
 
 /*****************************************************************************
  * Our RSA method
  **/
-static RSA_METHOD rsaref_rsa =
-{
-  "RSAref PKCS#1 RSA",
-  rsaref_public_encrypt,
-  rsaref_public_decrypt,
-  rsaref_private_encrypt,
-  rsaref_private_decrypt,
-  rsaref_mod_exp,
-  bnref_mod_exp,
-  NULL,
-  NULL,
-  0,
-  NULL,
-  NULL,
-  NULL
+static RSA_METHOD rsaref_rsa = {
+    "RSAref PKCS#1 RSA",
+    rsaref_public_encrypt,
+    rsaref_public_decrypt,
+    rsaref_private_encrypt,
+    rsaref_private_decrypt,
+    rsaref_mod_exp,
+    bnref_mod_exp,
+    NULL,
+    NULL,
+    0,
+    NULL,
+    NULL,
+    NULL
 };
 
 /*****************************************************************************
  * Symetric cipher and digest function registrars
  **/
 static int rsaref_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
-	const int **nids, int nid);
+                          const int **nids, int nid);
 static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
-	const int **nids, int nid);
+                          const int **nids, int nid);
 
 static int rsaref_cipher_nids[] =
-	{ NID_des_cbc, NID_des_ede3_cbc, NID_desx_cbc, 0 };
-static int rsaref_digest_nids[] =
-	{ NID_md2, NID_md5, 0 };
+    { NID_des_cbc, NID_des_ede3_cbc, NID_desx_cbc, 0 };
+static int rsaref_digest_nids[] = { NID_md2, NID_md5, 0 };
 
 /*****************************************************************************
  * DES functions
  **/
 static int cipher_des_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-	const unsigned char *iv, int enc);
+                               const unsigned char *iv, int enc);
 static int cipher_des_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	const unsigned char *in, unsigned int inl);
+                               const unsigned char *in, unsigned int inl);
 static int cipher_des_cbc_clean(EVP_CIPHER_CTX *);
-static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-	const unsigned char *iv, int enc);
+static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx,
+                                    const unsigned char *key,
+                                    const unsigned char *iv, int enc);
 static int cipher_des_ede3_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	const unsigned char *in, unsigned int inl);
+                                    const unsigned char *in,
+                                    unsigned int inl);
 static int cipher_des_ede3_cbc_clean(EVP_CIPHER_CTX *);
 static int cipher_desx_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-	const unsigned char *iv, int enc);
+                                const unsigned char *iv, int enc);
 static int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	const unsigned char *in, unsigned int inl);
+                                const unsigned char *in, unsigned int inl);
 static int cipher_desx_cbc_clean(EVP_CIPHER_CTX *);
 
 /*****************************************************************************
  * Our DES ciphers
  **/
-static const EVP_CIPHER cipher_des_cbc =
-	{
-	NID_des_cbc,
-	8, 8, 8,
-	0 | EVP_CIPH_CBC_MODE,
-	cipher_des_cbc_init,
-	cipher_des_cbc_code,
-	cipher_des_cbc_clean,
-	sizeof(DES_CBC_CTX),
-	NULL,
-	NULL,
-	NULL,
-	NULL
-	};
-
-static const EVP_CIPHER cipher_des_ede3_cbc =
-	{
-	NID_des_ede3_cbc,
-	8, 24, 8,
-	0 | EVP_CIPH_CBC_MODE,
-	cipher_des_ede3_cbc_init,
-	cipher_des_ede3_cbc_code,
-	cipher_des_ede3_cbc_clean,
-	sizeof(DES3_CBC_CTX),
-	NULL,
-	NULL,
-	NULL,
-	NULL
-	};
-
-static const EVP_CIPHER cipher_desx_cbc =
-	{
-	NID_desx_cbc,
-	8, 24, 8,
-	0 | EVP_CIPH_CBC_MODE,
-	cipher_desx_cbc_init,
-	cipher_desx_cbc_code,
-	cipher_desx_cbc_clean,
-	sizeof(DESX_CBC_CTX),
-	NULL,
-	NULL,
-	NULL,
-	NULL
-	};
+static const EVP_CIPHER cipher_des_cbc = {
+    NID_des_cbc,
+    8, 8, 8,
+    0 | EVP_CIPH_CBC_MODE,
+    cipher_des_cbc_init,
+    cipher_des_cbc_code,
+    cipher_des_cbc_clean,
+    sizeof(DES_CBC_CTX),
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+
+static const EVP_CIPHER cipher_des_ede3_cbc = {
+    NID_des_ede3_cbc,
+    8, 24, 8,
+    0 | EVP_CIPH_CBC_MODE,
+    cipher_des_ede3_cbc_init,
+    cipher_des_ede3_cbc_code,
+    cipher_des_ede3_cbc_clean,
+    sizeof(DES3_CBC_CTX),
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+
+static const EVP_CIPHER cipher_desx_cbc = {
+    NID_desx_cbc,
+    8, 24, 8,
+    0 | EVP_CIPH_CBC_MODE,
+    cipher_desx_cbc_init,
+    cipher_desx_cbc_code,
+    cipher_desx_cbc_clean,
+    sizeof(DESX_CBC_CTX),
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
 
 /*****************************************************************************
  * MD functions
  **/
 static int digest_md2_init(EVP_MD_CTX *ctx);
-static int digest_md2_update(EVP_MD_CTX *ctx,const void *data,
-	unsigned long count);
-static int digest_md2_final(EVP_MD_CTX *ctx,unsigned char *md);
+static int digest_md2_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count);
+static int digest_md2_final(EVP_MD_CTX *ctx, unsigned char *md);
 static int digest_md5_init(EVP_MD_CTX *ctx);
-static int digest_md5_update(EVP_MD_CTX *ctx,const void *data,
-	unsigned long count);
-static int digest_md5_final(EVP_MD_CTX *ctx,unsigned char *md);
+static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count);
+static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md);
 
 /*****************************************************************************
  * Our MD digests
  **/
-static const EVP_MD digest_md2 =
-	{
-	NID_md2,
-	NID_md2WithRSAEncryption,
-	16,
-	0,
-	digest_md2_init,
-	digest_md2_update,
-	digest_md2_final,
-	NULL,
-	NULL,
-	EVP_PKEY_RSA_method,
-	16,
-	sizeof(MD2_CTX)
-	};
-
-static const EVP_MD digest_md5 =
-	{
-	NID_md5,
-	NID_md5WithRSAEncryption,
-	16,
-	0,
-	digest_md5_init,
-	digest_md5_update,
-	digest_md5_final,
-	NULL,
-	NULL,
-	EVP_PKEY_RSA_method,
-	64,
-	sizeof(MD5_CTX)
-	};
+static const EVP_MD digest_md2 = {
+    NID_md2,
+    NID_md2WithRSAEncryption,
+    16,
+    0,
+    digest_md2_init,
+    digest_md2_update,
+    digest_md2_final,
+    NULL,
+    NULL,
+    EVP_PKEY_RSA_method,
+    16,
+    sizeof(MD2_CTX)
+};
+
+static const EVP_MD digest_md5 = {
+    NID_md5,
+    NID_md5WithRSAEncryption,
+    16,
+    0,
+    digest_md5_init,
+    digest_md5_update,
+    digest_md5_final,
+    NULL,
+    NULL,
+    EVP_PKEY_RSA_method,
+    64,
+    sizeof(MD5_CTX)
+};
 
 /*****************************************************************************
  *** Function definitions                                                  ***
@@ -216,337 +213,359 @@ static const EVP_MD digest_md5 =
  **/
 
 static int bind_rsaref(ENGINE *e)
-	{
-	const RSA_METHOD *meth1;
-	if(!ENGINE_set_id(e, engine_rsaref_id)
-		|| !ENGINE_set_name(e, engine_rsaref_name)
-		|| !ENGINE_set_RSA(e, &rsaref_rsa)
-		|| !ENGINE_set_ciphers(e, rsaref_ciphers)
-		|| !ENGINE_set_digests(e, rsaref_digests)
-		|| !ENGINE_set_destroy_function(e, rsaref_destroy)
-		|| !ENGINE_set_init_function(e, rsaref_init)
-		|| !ENGINE_set_finish_function(e, rsaref_finish)
-		/* || !ENGINE_set_ctrl_function(e, rsaref_ctrl) */
-		/* || !ENGINE_set_cmd_defns(e, rsaref_cmd_defns) */)
-		return 0;
-
-	/* Ensure the rsaref error handling is set up */
-	ERR_load_RSAREF_strings();
-	return 1;
-	}
+{
+    const RSA_METHOD *meth1;
+    if (!ENGINE_set_id(e, engine_rsaref_id)
+        || !ENGINE_set_name(e, engine_rsaref_name)
+        || !ENGINE_set_RSA(e, &rsaref_rsa)
+        || !ENGINE_set_ciphers(e, rsaref_ciphers)
+        || !ENGINE_set_digests(e, rsaref_digests)
+        || !ENGINE_set_destroy_function(e, rsaref_destroy)
+        || !ENGINE_set_init_function(e, rsaref_init)
+        || !ENGINE_set_finish_function(e, rsaref_finish)
+        /* || !ENGINE_set_ctrl_function(e, rsaref_ctrl) */
+        /*
+         * || !ENGINE_set_cmd_defns(e, rsaref_cmd_defns)
+         */ )
+        return 0;
+
+    /* Ensure the rsaref error handling is set up */
+    ERR_load_RSAREF_strings();
+    return 1;
+}
 
 #ifdef ENGINE_DYNAMIC_SUPPORT
 static int bind_helper(ENGINE *e, const char *id)
-	{
-	if(id && (strcmp(id, engine_rsaref_id) != 0))
-		return 0;
-	if(!bind_rsaref(e))
-		return 0;
-	return 1;
-	}       
+{
+    if (id && (strcmp(id, engine_rsaref_id) != 0))
+        return 0;
+    if (!bind_rsaref(e))
+        return 0;
+    return 1;
+}
+
 IMPLEMENT_DYNAMIC_CHECK_FN()
-IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
+    IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
 #else
 static ENGINE *engine_rsaref(void)
-	{
-	ENGINE *ret = ENGINE_new();
-	if(!ret)
-		return NULL;
-	if(!bind_rsaref(ret))
-		{
-		ENGINE_free(ret);
-		return NULL;
-		}
-	return ret;
-	}
+{
+    ENGINE *ret = ENGINE_new();
+    if (!ret)
+        return NULL;
+    if (!bind_rsaref(ret)) {
+        ENGINE_free(ret);
+        return NULL;
+    }
+    return ret;
+}
 
 void ENGINE_load_rsaref(void)
-	{
-	/* Copied from eng_[openssl|dyn].c */
-	ENGINE *toadd = engine_rsaref();
-	if(!toadd) return;
-	ENGINE_add(toadd);
-	ENGINE_free(toadd);
-	ERR_clear_error();
-	}
+{
+    /* Copied from eng_[openssl|dyn].c */
+    ENGINE *toadd = engine_rsaref();
+    if (!toadd)
+        return;
+    ENGINE_add(toadd);
+    ENGINE_free(toadd);
+    ERR_clear_error();
+}
 #endif
 
 /* Initiator which is only present to make sure this engine looks available */
 static int rsaref_init(ENGINE *e)
-	{
-	return 1;
-	}
+{
+    return 1;
+}
 
 /* Finisher which is only present to make sure this engine looks available */
 static int rsaref_finish(ENGINE *e)
-	{
-	return 1;
-	}
+{
+    return 1;
+}
 
 /* Destructor (complements the "ENGINE_ncipher()" constructor) */
 static int rsaref_destroy(ENGINE *e)
-	{
-	ERR_unload_RSAREF_strings();
-	return 1;
-	}
+{
+    ERR_unload_RSAREF_strings();
+    return 1;
+}
 
 /*****************************************************************************
  * RSA functions
  **/
 
 static int rsaref_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
-	{
-	RSAREFerr(RSAREF_F_RSAREF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
-	return(0);
-	}
+{
+    RSAREFerr(RSAREF_F_RSAREF_MOD_EXP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+    return (0);
+}
 
 static int bnref_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			  const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-	{
-	RSAREFerr(RSAREF_F_BNREF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
-	return(0);
-	}
+                         const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+    RSAREFerr(RSAREF_F_BNREF_MOD_EXP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+    return (0);
+}
 
 /* unsigned char *to:  [max]    */
 static int RSAref_bn2bin(BIGNUM *from, unsigned char *to, int max)
-	{
-	int i;
-
-	i=BN_num_bytes(from);
-	if (i > max)
-		{
-		RSAREFerr(RSAREF_F_RSAREF_BN2BIN,RSAREF_R_LEN);
-		return(0);
-		}
-
-	memset(to,0,(unsigned int)max);
-	if (!BN_bn2bin(from,&(to[max-i])))
-		return(0);
-	return(1);
-	}
+{
+    int i;
+
+    i = BN_num_bytes(from);
+    if (i > max) {
+        RSAREFerr(RSAREF_F_RSAREF_BN2BIN, RSAREF_R_LEN);
+        return (0);
+    }
+
+    memset(to, 0, (unsigned int)max);
+    if (!BN_bn2bin(from, &(to[max - i])))
+        return (0);
+    return (1);
+}
 
 #ifdef undef
 /* unsigned char *from:  [max]    */
 static BIGNUM *RSAref_bin2bn(unsigned char *from, BIGNUM *to, int max)
-	{
-	int i;
-	BIGNUM *ret;
-
-	for (i=0; i<max; i++)
-		if (from[i]) break;
-
-	ret=BN_bin2bn(&(from[i]),max-i,to);
-	return(ret);
-	}
-
-static int RSAref_Public_ref2eay(RSArefPublicKey *from, RSA *to)
-	{
-	to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN);
-	to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN);
-	if ((to->n == NULL) || (to->e == NULL)) return(0);
-	return(1);
-	}
+{
+    int i;
+    BIGNUM *ret;
+
+    for (i = 0; i < max; i++)
+        if (from[i])
+            break;
+
+    ret = BN_bin2bn(&(from[i]), max - i, to);
+    return (ret);
+}
+
+static int RSAref_Public_ref2eay(RSArefPublicKey * from, RSA *to)
+{
+    to->n = RSAref_bin2bn(from->m, NULL, RSAref_MAX_LEN);
+    to->e = RSAref_bin2bn(from->e, NULL, RSAref_MAX_LEN);
+    if ((to->n == NULL) || (to->e == NULL))
+        return (0);
+    return (1);
+}
 #endif
 
-static int RSAref_Public_eay2ref(RSA *from, R_RSA_PUBLIC_KEY *to)
-	{
-	to->bits=BN_num_bits(from->n);
-	if (!RSAref_bn2bin(from->n,to->modulus,MAX_RSA_MODULUS_LEN)) return(0);
-	if (!RSAref_bn2bin(from->e,to->exponent,MAX_RSA_MODULUS_LEN)) return(0);
-	return(1);
-	}
+static int RSAref_Public_eay2ref(RSA *from, R_RSA_PUBLIC_KEY * to)
+{
+    to->bits = BN_num_bits(from->n);
+    if (!RSAref_bn2bin(from->n, to->modulus, MAX_RSA_MODULUS_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->e, to->exponent, MAX_RSA_MODULUS_LEN))
+        return (0);
+    return (1);
+}
 
 #ifdef undef
-static int RSAref_Private_ref2eay(RSArefPrivateKey *from, RSA *to)
-	{
-	if ((to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN)) == NULL)
-		return(0);
-	if ((to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN)) == NULL)
-		return(0);
-	if ((to->d=RSAref_bin2bn(from->d,NULL,RSAref_MAX_LEN)) == NULL)
-		return(0);
-	if ((to->p=RSAref_bin2bn(from->prime[0],NULL,RSAref_MAX_PLEN)) == NULL)
-		return(0);
-	if ((to->q=RSAref_bin2bn(from->prime[1],NULL,RSAref_MAX_PLEN)) == NULL)
-		return(0);
-	if ((to->dmp1=RSAref_bin2bn(from->pexp[0],NULL,RSAref_MAX_PLEN))
-		== NULL)
-		return(0);
-	if ((to->dmq1=RSAref_bin2bn(from->pexp[1],NULL,RSAref_MAX_PLEN))
-		== NULL)
-		return(0);
-	if ((to->iqmp=RSAref_bin2bn(from->coef,NULL,RSAref_MAX_PLEN)) == NULL)
-		return(0);
-	return(1);
-	}
+static int RSAref_Private_ref2eay(RSArefPrivateKey * from, RSA *to)
+{
+    if ((to->n = RSAref_bin2bn(from->m, NULL, RSAref_MAX_LEN)) == NULL)
+        return (0);
+    if ((to->e = RSAref_bin2bn(from->e, NULL, RSAref_MAX_LEN)) == NULL)
+        return (0);
+    if ((to->d = RSAref_bin2bn(from->d, NULL, RSAref_MAX_LEN)) == NULL)
+        return (0);
+    if ((to->p =
+         RSAref_bin2bn(from->prime[0], NULL, RSAref_MAX_PLEN)) == NULL)
+        return (0);
+    if ((to->q =
+         RSAref_bin2bn(from->prime[1], NULL, RSAref_MAX_PLEN)) == NULL)
+        return (0);
+    if ((to->dmp1 = RSAref_bin2bn(from->pexp[0], NULL, RSAref_MAX_PLEN))
+        == NULL)
+        return (0);
+    if ((to->dmq1 = RSAref_bin2bn(from->pexp[1], NULL, RSAref_MAX_PLEN))
+        == NULL)
+        return (0);
+    if ((to->iqmp = RSAref_bin2bn(from->coef, NULL, RSAref_MAX_PLEN)) == NULL)
+        return (0);
+    return (1);
+}
 #endif
 
-static int RSAref_Private_eay2ref(RSA *from, R_RSA_PRIVATE_KEY *to)
-	{
-	to->bits=BN_num_bits(from->n);
-	if (!RSAref_bn2bin(from->n,to->modulus,MAX_RSA_MODULUS_LEN)) return(0);
-	if (!RSAref_bn2bin(from->e,to->publicExponent,MAX_RSA_MODULUS_LEN)) return(0);
-	if (!RSAref_bn2bin(from->d,to->exponent,MAX_RSA_MODULUS_LEN)) return(0);
-	if (!RSAref_bn2bin(from->p,to->prime[0],MAX_RSA_PRIME_LEN)) return(0);
-	if (!RSAref_bn2bin(from->q,to->prime[1],MAX_RSA_PRIME_LEN)) return(0);
-	if (!RSAref_bn2bin(from->dmp1,to->primeExponent[0],MAX_RSA_PRIME_LEN)) return(0);
-	if (!RSAref_bn2bin(from->dmq1,to->primeExponent[1],MAX_RSA_PRIME_LEN)) return(0);
-	if (!RSAref_bn2bin(from->iqmp,to->coefficient,MAX_RSA_PRIME_LEN)) return(0);
-	return(1);
-	}
-
-static int rsaref_private_decrypt(int len, const unsigned char *from, unsigned char *to,
-	     RSA *rsa, int padding)
-	{
-	int i,outlen= -1;
-	R_RSA_PRIVATE_KEY RSAkey;
-
-	if (!RSAref_Private_eay2ref(rsa,&RSAkey))
-		goto err;
-	if ((i=RSAPrivateDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
-		{
-		RSAREFerr(RSAREF_F_RSAREF_PRIVATE_DECRYPT,i);
-		outlen= -1;
-		}
-err:
-	memset(&RSAkey,0,sizeof(RSAkey));
-	return(outlen);
-	}
-
-static int rsaref_private_encrypt(int len, const unsigned char *from, unsigned char *to,
-	     RSA *rsa, int padding)
-	{
-	int i,outlen= -1;
-	R_RSA_PRIVATE_KEY RSAkey;
-
-	if (padding != RSA_PKCS1_PADDING)
-		{
-		RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
-		goto err;
-	}
-	if (!RSAref_Private_eay2ref(rsa,&RSAkey))
-		goto err;
-	if ((i=RSAPrivateEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
-		{
-		RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT,i);
-		outlen= -1;
-		}
-err:
-	memset(&RSAkey,0,sizeof(RSAkey));
-	return(outlen);
-	}
-
-static int rsaref_public_decrypt(int len, const unsigned char *from, unsigned char *to,
-	     RSA *rsa, int padding)
-	{
-	int i,outlen= -1;
-	R_RSA_PUBLIC_KEY RSAkey;
-
-	if (!RSAref_Public_eay2ref(rsa,&RSAkey))
-		goto err;
-	if ((i=RSAPublicDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
-		{
-		RSAREFerr(RSAREF_F_RSAREF_PUBLIC_DECRYPT,i);
-		outlen= -1;
-		}
-err:
-	memset(&RSAkey,0,sizeof(RSAkey));
-	return(outlen);
-	}
-
-static int rsaref_public_encrypt(int len, const unsigned char *from, unsigned char *to,
-	     RSA *rsa, int padding)
-	{
-	int outlen= -1;
-	int i;
-	R_RSA_PUBLIC_KEY RSAkey;
-	R_RANDOM_STRUCT rnd;
-	unsigned char buf[16];
-
-	if (padding != RSA_PKCS1_PADDING && padding != RSA_SSLV23_PADDING) 
-		{
-		RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
-		goto err;
-		}
-	
-	R_RandomInit(&rnd);
-	R_GetRandomBytesNeeded((unsigned int *)&i,&rnd);
-	while (i > 0)
-		{
-		if (RAND_bytes(buf,16) <= 0)
-			goto err;
-		R_RandomUpdate(&rnd,buf,(unsigned int)((i>16)?16:i));
-		i-=16;
-		}
-
-	if (!RSAref_Public_eay2ref(rsa,&RSAkey))
-		goto err;
-	if ((i=RSAPublicEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey,&rnd)) != 0)
-		{
-		RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT,i);
-		outlen= -1;
-		goto err;
-		}
-err:
-	memset(&RSAkey,0,sizeof(RSAkey));
-	R_RandomFinal(&rnd);
-	memset(&rnd,0,sizeof(rnd));
-	return(outlen);
-	}
+static int RSAref_Private_eay2ref(RSA *from, R_RSA_PRIVATE_KEY * to)
+{
+    to->bits = BN_num_bits(from->n);
+    if (!RSAref_bn2bin(from->n, to->modulus, MAX_RSA_MODULUS_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->e, to->publicExponent, MAX_RSA_MODULUS_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->d, to->exponent, MAX_RSA_MODULUS_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->p, to->prime[0], MAX_RSA_PRIME_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->q, to->prime[1], MAX_RSA_PRIME_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->dmp1, to->primeExponent[0], MAX_RSA_PRIME_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->dmq1, to->primeExponent[1], MAX_RSA_PRIME_LEN))
+        return (0);
+    if (!RSAref_bn2bin(from->iqmp, to->coefficient, MAX_RSA_PRIME_LEN))
+        return (0);
+    return (1);
+}
+
+static int rsaref_private_decrypt(int len, const unsigned char *from,
+                                  unsigned char *to, RSA *rsa, int padding)
+{
+    int i, outlen = -1;
+    R_RSA_PRIVATE_KEY RSAkey;
+
+    if (!RSAref_Private_eay2ref(rsa, &RSAkey))
+        goto err;
+    if ((i =
+         RSAPrivateDecrypt(to, (unsigned int *)&outlen, (unsigned char *)from,
+                           len, &RSAkey)) != 0) {
+        RSAREFerr(RSAREF_F_RSAREF_PRIVATE_DECRYPT, i);
+        outlen = -1;
+    }
+ err:
+    memset(&RSAkey, 0, sizeof(RSAkey));
+    return (outlen);
+}
+
+static int rsaref_private_encrypt(int len, const unsigned char *from,
+                                  unsigned char *to, RSA *rsa, int padding)
+{
+    int i, outlen = -1;
+    R_RSA_PRIVATE_KEY RSAkey;
+
+    if (padding != RSA_PKCS1_PADDING) {
+        RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT,
+                  RSA_R_UNKNOWN_PADDING_TYPE);
+        goto err;
+    }
+    if (!RSAref_Private_eay2ref(rsa, &RSAkey))
+        goto err;
+    if ((i =
+         RSAPrivateEncrypt(to, (unsigned int *)&outlen, (unsigned char *)from,
+                           len, &RSAkey)) != 0) {
+        RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT, i);
+        outlen = -1;
+    }
+ err:
+    memset(&RSAkey, 0, sizeof(RSAkey));
+    return (outlen);
+}
+
+static int rsaref_public_decrypt(int len, const unsigned char *from,
+                                 unsigned char *to, RSA *rsa, int padding)
+{
+    int i, outlen = -1;
+    R_RSA_PUBLIC_KEY RSAkey;
+
+    if (!RSAref_Public_eay2ref(rsa, &RSAkey))
+        goto err;
+    if ((i =
+         RSAPublicDecrypt(to, (unsigned int *)&outlen, (unsigned char *)from,
+                          len, &RSAkey)) != 0) {
+        RSAREFerr(RSAREF_F_RSAREF_PUBLIC_DECRYPT, i);
+        outlen = -1;
+    }
+ err:
+    memset(&RSAkey, 0, sizeof(RSAkey));
+    return (outlen);
+}
+
+static int rsaref_public_encrypt(int len, const unsigned char *from,
+                                 unsigned char *to, RSA *rsa, int padding)
+{
+    int outlen = -1;
+    int i;
+    R_RSA_PUBLIC_KEY RSAkey;
+    R_RANDOM_STRUCT rnd;
+    unsigned char buf[16];
+
+    if (padding != RSA_PKCS1_PADDING && padding != RSA_SSLV23_PADDING) {
+        RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
+        goto err;
+    }
+
+    R_RandomInit(&rnd);
+    R_GetRandomBytesNeeded((unsigned int *)&i, &rnd);
+    while (i > 0) {
+        if (RAND_bytes(buf, 16) <= 0)
+            goto err;
+        R_RandomUpdate(&rnd, buf, (unsigned int)((i > 16) ? 16 : i));
+        i -= 16;
+    }
+
+    if (!RSAref_Public_eay2ref(rsa, &RSAkey))
+        goto err;
+    if ((i =
+         RSAPublicEncrypt(to, (unsigned int *)&outlen, (unsigned char *)from,
+                          len, &RSAkey, &rnd)) != 0) {
+        RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT, i);
+        outlen = -1;
+        goto err;
+    }
+ err:
+    memset(&RSAkey, 0, sizeof(RSAkey));
+    R_RandomFinal(&rnd);
+    memset(&rnd, 0, sizeof(rnd));
+    return (outlen);
+}
 
 /*****************************************************************************
  * Symetric cipher and digest function registrars
  **/
 static int rsaref_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
-	const int **nids, int nid)
-	{
-	int ok = 1;
-	if(!cipher)
-		{
-		/* We are returning a list of supported nids */
-		*nids = rsaref_cipher_nids;
-		return (sizeof(rsaref_cipher_nids)-1)/sizeof(rsaref_cipher_nids[0]);
-		}
-	/* We are being asked for a specific cipher */
-	switch (nid)
-		{
-	case NID_des_cbc:
-		*cipher = &cipher_des_cbc; break;
-	case NID_des_ede3_cbc:
-		*cipher = &cipher_des_ede3_cbc; break;
-	case NID_desx_cbc:
-		*cipher = &cipher_desx_cbc; break;
-	default:
-		ok = 0;
-		*cipher = NULL;
-		break;
-		}
-	return ok;
-	}
+                          const int **nids, int nid)
+{
+    int ok = 1;
+    if (!cipher) {
+        /* We are returning a list of supported nids */
+        *nids = rsaref_cipher_nids;
+        return (sizeof(rsaref_cipher_nids) -
+                1) / sizeof(rsaref_cipher_nids[0]);
+    }
+    /* We are being asked for a specific cipher */
+    switch (nid) {
+    case NID_des_cbc:
+        *cipher = &cipher_des_cbc;
+        break;
+    case NID_des_ede3_cbc:
+        *cipher = &cipher_des_ede3_cbc;
+        break;
+    case NID_desx_cbc:
+        *cipher = &cipher_desx_cbc;
+        break;
+    default:
+        ok = 0;
+        *cipher = NULL;
+        break;
+    }
+    return ok;
+}
+
 static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
-	const int **nids, int nid)
-	{
-	int ok = 1;
-	if(!digest)
-		{
-		/* We are returning a list of supported nids */
-		*nids = rsaref_digest_nids;
-		return (sizeof(rsaref_digest_nids)-1)/sizeof(rsaref_digest_nids[0]);
-		}
-	/* We are being asked for a specific digest */
-	switch (nid)
-		{
-	case NID_md2:
-		*digest = &digest_md2; break;
-	case NID_md5:
-		*digest = &digest_md5; break;
-	default:
-		ok = 0;
-		*digest = NULL;
-		break;
-		}
-	return ok;
-	}
+                          const int **nids, int nid)
+{
+    int ok = 1;
+    if (!digest) {
+        /* We are returning a list of supported nids */
+        *nids = rsaref_digest_nids;
+        return (sizeof(rsaref_digest_nids) -
+                1) / sizeof(rsaref_digest_nids[0]);
+    }
+    /* We are being asked for a specific digest */
+    switch (nid) {
+    case NID_md2:
+        *digest = &digest_md2;
+        break;
+    case NID_md5:
+        *digest = &digest_md5;
+        break;
+    default:
+        ok = 0;
+        *digest = NULL;
+        break;
+    }
+    return ok;
+}
 
 /*****************************************************************************
  * DES functions
@@ -554,94 +573,99 @@ static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
 #undef data
 #define data(ctx) ((DES_CBC_CTX *)(ctx)->cipher_data)
 static int cipher_des_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-	const unsigned char *iv, int enc)
-	{
-	DES_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv, enc);
-	return 1;
-	}
+                               const unsigned char *iv, int enc)
+{
+    DES_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv, enc);
+    return 1;
+}
+
 static int cipher_des_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	const unsigned char *in, unsigned int inl)
-	{
-	int ret = DES_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
-	switch (ret)
-		{
-	case RE_LEN:
-		RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
-		break;
-	case 0:
-		break;
-	default:
-		RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
-		}
-	return !ret;
-	}
+                               const unsigned char *in, unsigned int inl)
+{
+    int ret = DES_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+    switch (ret) {
+    case RE_LEN:
+        RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,
+                  RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+        break;
+    case 0:
+        break;
+    default:
+        RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE, RSAREF_R_UNKNOWN_FAULT);
+    }
+    return !ret;
+}
+
 static int cipher_des_cbc_clean(EVP_CIPHER_CTX *ctx)
-	{
-	memset(data(ctx), 0, ctx->cipher->ctx_size);
-	return 1;
-	}
+{
+    memset(data(ctx), 0, ctx->cipher->ctx_size);
+    return 1;
+}
 
 #undef data
 #define data(ctx) ((DES3_CBC_CTX *)(ctx)->cipher_data)
-static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-	const unsigned char *iv, int enc)
-	{
-	DES3_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
-		enc);
-	return 1;
-	}
+static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx,
+                                    const unsigned char *key,
+                                    const unsigned char *iv, int enc)
+{
+    DES3_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv, enc);
+    return 1;
+}
+
 static int cipher_des_ede3_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	const unsigned char *in, unsigned int inl)
-	{
-	int ret = DES3_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
-	switch (ret)
-		{
-	case RE_LEN:
-		RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
-		break;
-	case 0:
-		break;
-	default:
-		RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
-		}
-	return !ret;
-	}
+                                    const unsigned char *in, unsigned int inl)
+{
+    int ret = DES3_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+    switch (ret) {
+    case RE_LEN:
+        RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,
+                  RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+        break;
+    case 0:
+        break;
+    default:
+        RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE, RSAREF_R_UNKNOWN_FAULT);
+    }
+    return !ret;
+}
+
 static int cipher_des_ede3_cbc_clean(EVP_CIPHER_CTX *ctx)
-	{
-	memset(data(ctx), 0, ctx->cipher->ctx_size);
-	return 1;
-	}
+{
+    memset(data(ctx), 0, ctx->cipher->ctx_size);
+    return 1;
+}
 
 #undef data
 #define data(ctx) ((DESX_CBC_CTX *)(ctx)->cipher_data)
 static int cipher_desx_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-	const unsigned char *iv, int enc)
-	{
-	DESX_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
-		enc);
-	return 1;
-	}
+                                const unsigned char *iv, int enc)
+{
+    DESX_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv, enc);
+    return 1;
+}
+
 static int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	const unsigned char *in, unsigned int inl)
-	{
-	int ret = DESX_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
-	switch (ret)
-		{
-	case RE_LEN:
-		RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
-		break;
-	case 0:
-		break;
-	default:
-		RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
-		}
-	return !ret;
-	}
+                                const unsigned char *in, unsigned int inl)
+{
+    int ret = DESX_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+    switch (ret) {
+    case RE_LEN:
+        RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,
+                  RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+        break;
+    case 0:
+        break;
+    default:
+        RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE, RSAREF_R_UNKNOWN_FAULT);
+    }
+    return !ret;
+}
+
 static int cipher_desx_cbc_clean(EVP_CIPHER_CTX *ctx)
-	{
-	memset(data(ctx), 0, ctx->cipher->ctx_size);
-	return 1;
-	}
+{
+    memset(data(ctx), 0, ctx->cipher->ctx_size);
+    return 1;
+}
 
 /*****************************************************************************
  * MD functions
@@ -649,37 +673,41 @@ static int cipher_desx_cbc_clean(EVP_CIPHER_CTX *ctx)
 #undef data
 #define data(ctx) ((MD2_CTX *)(ctx)->md_data)
 static int digest_md2_init(EVP_MD_CTX *ctx)
-	{
-	MD2Init(data(ctx));
-	return 1;
-	}
-static int digest_md2_update(EVP_MD_CTX *ctx,const void *data,
-	unsigned long count)
-	{
-	MD2Update(data(ctx), (unsigned char *)data, (unsigned int)count);
-	return 1;
-	}
-static int digest_md2_final(EVP_MD_CTX *ctx,unsigned char *md)
-	{
-	MD2Final(md, data(ctx));
-	return 1;
-	}
+{
+    MD2Init(data(ctx));
+    return 1;
+}
+
+static int digest_md2_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count)
+{
+    MD2Update(data(ctx), (unsigned char *)data, (unsigned int)count);
+    return 1;
+}
+
+static int digest_md2_final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+    MD2Final(md, data(ctx));
+    return 1;
+}
 
 #undef data
 #define data(ctx) ((MD5_CTX *)(ctx)->md_data)
 static int digest_md5_init(EVP_MD_CTX *ctx)
-	{
-	MD5Init(data(ctx));
-	return 1;
-	}
-static int digest_md5_update(EVP_MD_CTX *ctx,const void *data,
-	unsigned long count)
-	{
-	MD5Update(data(ctx), (unsigned char *)data, (unsigned int)count);
-	return 1;
-	}
-static int digest_md5_final(EVP_MD_CTX *ctx,unsigned char *md)
-	{
-	MD5Final(md, data(ctx));
-	return 1;
-	}
+{
+    MD5Init(data(ctx));
+    return 1;
+}
+
+static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count)
+{
+    MD5Update(data(ctx), (unsigned char *)data, (unsigned int)count);
+    return 1;
+}
+
+static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+    MD5Final(md, data(ctx));
+    return 1;
+}
diff --git a/openssl/demos/engines/rsaref/rsaref_err.c b/openssl/demos/engines/rsaref/rsaref_err.c
index ceaf05706..55df08c25 100644
--- a/openssl/demos/engines/rsaref/rsaref_err.c
+++ b/openssl/demos/engines/rsaref/rsaref_err.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,7 +53,8 @@
  *
  */
 
-/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
  * made to it will be overwritten when the script next updates this file,
  * only reason strings will be preserved.
  */
@@ -64,98 +65,94 @@
 
 /* BEGIN ERROR CODES */
 #ifndef OPENSSL_NO_ERR
-static ERR_STRING_DATA RSAREF_str_functs[]=
-	{
-{ERR_PACK(0,RSAREF_F_BNREF_MOD_EXP,0),	"BNREF_MOD_EXP"},
-{ERR_PACK(0,RSAREF_F_CIPHER_DES_CBC_CODE,0),	"CIPHER_DES_CBC_CODE"},
-{ERR_PACK(0,RSAREF_F_RSAREF_BN2BIN,0),	"RSAREF_BN2BIN"},
-{ERR_PACK(0,RSAREF_F_RSAREF_MOD_EXP,0),	"RSAREF_MOD_EXP"},
-{ERR_PACK(0,RSAREF_F_RSAREF_PRIVATE_DECRYPT,0),	"RSAREF_PRIVATE_DECRYPT"},
-{ERR_PACK(0,RSAREF_F_RSAREF_PRIVATE_ENCRYPT,0),	"RSAREF_PRIVATE_ENCRYPT"},
-{ERR_PACK(0,RSAREF_F_RSAREF_PUBLIC_DECRYPT,0),	"RSAREF_PUBLIC_DECRYPT"},
-{ERR_PACK(0,RSAREF_F_RSAREF_PUBLIC_ENCRYPT,0),	"RSAREF_PUBLIC_ENCRYPT"},
-{ERR_PACK(0,RSAREF_F_RSA_BN2BIN,0),	"RSA_BN2BIN"},
-{ERR_PACK(0,RSAREF_F_RSA_PRIVATE_DECRYPT,0),	"RSA_PRIVATE_DECRYPT"},
-{ERR_PACK(0,RSAREF_F_RSA_PRIVATE_ENCRYPT,0),	"RSA_PRIVATE_ENCRYPT"},
-{ERR_PACK(0,RSAREF_F_RSA_PUBLIC_DECRYPT,0),	"RSA_PUBLIC_DECRYPT"},
-{ERR_PACK(0,RSAREF_F_RSA_PUBLIC_ENCRYPT,0),	"RSA_PUBLIC_ENCRYPT"},
-{0,NULL}
-	};
+static ERR_STRING_DATA RSAREF_str_functs[] = {
+    {ERR_PACK(0, RSAREF_F_BNREF_MOD_EXP, 0), "BNREF_MOD_EXP"},
+    {ERR_PACK(0, RSAREF_F_CIPHER_DES_CBC_CODE, 0), "CIPHER_DES_CBC_CODE"},
+    {ERR_PACK(0, RSAREF_F_RSAREF_BN2BIN, 0), "RSAREF_BN2BIN"},
+    {ERR_PACK(0, RSAREF_F_RSAREF_MOD_EXP, 0), "RSAREF_MOD_EXP"},
+    {ERR_PACK(0, RSAREF_F_RSAREF_PRIVATE_DECRYPT, 0),
+     "RSAREF_PRIVATE_DECRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSAREF_PRIVATE_ENCRYPT, 0),
+     "RSAREF_PRIVATE_ENCRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSAREF_PUBLIC_DECRYPT, 0), "RSAREF_PUBLIC_DECRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSAREF_PUBLIC_ENCRYPT, 0), "RSAREF_PUBLIC_ENCRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSA_BN2BIN, 0), "RSA_BN2BIN"},
+    {ERR_PACK(0, RSAREF_F_RSA_PRIVATE_DECRYPT, 0), "RSA_PRIVATE_DECRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSA_PRIVATE_ENCRYPT, 0), "RSA_PRIVATE_ENCRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSA_PUBLIC_DECRYPT, 0), "RSA_PUBLIC_DECRYPT"},
+    {ERR_PACK(0, RSAREF_F_RSA_PUBLIC_ENCRYPT, 0), "RSA_PUBLIC_ENCRYPT"},
+    {0, NULL}
+};
 
-static ERR_STRING_DATA RSAREF_str_reasons[]=
-	{
-{RSAREF_R_CONTENT_ENCODING               ,"content encoding"},
-{RSAREF_R_DATA                           ,"data"},
-{RSAREF_R_DIGEST_ALGORITHM               ,"digest algorithm"},
-{RSAREF_R_ENCODING                       ,"encoding"},
-{RSAREF_R_ENCRYPTION_ALGORITHM           ,"encryption algorithm"},
-{RSAREF_R_KEY                            ,"key"},
-{RSAREF_R_KEY_ENCODING                   ,"key encoding"},
-{RSAREF_R_LEN                            ,"len"},
-{RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED       ,"length not block aligned"},
-{RSAREF_R_MODULUS_LEN                    ,"modulus len"},
-{RSAREF_R_NEED_RANDOM                    ,"need random"},
-{RSAREF_R_PRIVATE_KEY                    ,"private key"},
-{RSAREF_R_PUBLIC_KEY                     ,"public key"},
-{RSAREF_R_SIGNATURE                      ,"signature"},
-{RSAREF_R_SIGNATURE_ENCODING             ,"signature encoding"},
-{RSAREF_R_UNKNOWN_FAULT                  ,"unknown fault"},
-{0,NULL}
-	};
+static ERR_STRING_DATA RSAREF_str_reasons[] = {
+    {RSAREF_R_CONTENT_ENCODING, "content encoding"},
+    {RSAREF_R_DATA, "data"},
+    {RSAREF_R_DIGEST_ALGORITHM, "digest algorithm"},
+    {RSAREF_R_ENCODING, "encoding"},
+    {RSAREF_R_ENCRYPTION_ALGORITHM, "encryption algorithm"},
+    {RSAREF_R_KEY, "key"},
+    {RSAREF_R_KEY_ENCODING, "key encoding"},
+    {RSAREF_R_LEN, "len"},
+    {RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED, "length not block aligned"},
+    {RSAREF_R_MODULUS_LEN, "modulus len"},
+    {RSAREF_R_NEED_RANDOM, "need random"},
+    {RSAREF_R_PRIVATE_KEY, "private key"},
+    {RSAREF_R_PUBLIC_KEY, "public key"},
+    {RSAREF_R_SIGNATURE, "signature"},
+    {RSAREF_R_SIGNATURE_ENCODING, "signature encoding"},
+    {RSAREF_R_UNKNOWN_FAULT, "unknown fault"},
+    {0, NULL}
+};
 
 #endif
 
 #ifdef RSAREF_LIB_NAME
-static ERR_STRING_DATA RSAREF_lib_name[]=
-        {
-{0	,RSAREF_LIB_NAME},
-{0,NULL}
-	};
+static ERR_STRING_DATA RSAREF_lib_name[] = {
+    {0, RSAREF_LIB_NAME},
+    {0, NULL}
+};
 #endif
 
-
-static int RSAREF_lib_error_code=0;
-static int RSAREF_error_init=1;
+static int RSAREF_lib_error_code = 0;
+static int RSAREF_error_init = 1;
 
 static void ERR_load_RSAREF_strings(void)
-	{
-	if (RSAREF_lib_error_code == 0)
-		RSAREF_lib_error_code=ERR_get_next_error_library();
+{
+    if (RSAREF_lib_error_code == 0)
+        RSAREF_lib_error_code = ERR_get_next_error_library();
 
-	if (RSAREF_error_init)
-		{
-		RSAREF_error_init=0;
+    if (RSAREF_error_init) {
+        RSAREF_error_init = 0;
 #ifndef OPENSSL_NO_ERR
-		ERR_load_strings(RSAREF_lib_error_code,RSAREF_str_functs);
-		ERR_load_strings(RSAREF_lib_error_code,RSAREF_str_reasons);
+        ERR_load_strings(RSAREF_lib_error_code, RSAREF_str_functs);
+        ERR_load_strings(RSAREF_lib_error_code, RSAREF_str_reasons);
 #endif
 
 #ifdef RSAREF_LIB_NAME
-		RSAREF_lib_name->error = ERR_PACK(RSAREF_lib_error_code,0,0);
-		ERR_load_strings(0,RSAREF_lib_name);
+        RSAREF_lib_name->error = ERR_PACK(RSAREF_lib_error_code, 0, 0);
+        ERR_load_strings(0, RSAREF_lib_name);
 #endif
-		}
-	}
+    }
+}
 
 static void ERR_unload_RSAREF_strings(void)
-	{
-	if (RSAREF_error_init == 0)
-		{
+{
+    if (RSAREF_error_init == 0) {
 #ifndef OPENSSL_NO_ERR
-		ERR_unload_strings(RSAREF_lib_error_code,RSAREF_str_functs);
-		ERR_unload_strings(RSAREF_lib_error_code,RSAREF_str_reasons);
+        ERR_unload_strings(RSAREF_lib_error_code, RSAREF_str_functs);
+        ERR_unload_strings(RSAREF_lib_error_code, RSAREF_str_reasons);
 #endif
 
 #ifdef RSAREF_LIB_NAME
-		ERR_unload_strings(0,RSAREF_lib_name);
+        ERR_unload_strings(0, RSAREF_lib_name);
 #endif
-		RSAREF_error_init=1;
-		}
-	}
+        RSAREF_error_init = 1;
+    }
+}
 
 static void ERR_RSAREF_error(int function, int reason, char *file, int line)
-	{
-	if (RSAREF_lib_error_code == 0)
-		RSAREF_lib_error_code=ERR_get_next_error_library();
-	ERR_PUT_error(RSAREF_lib_error_code,function,reason,file,line);
-	}
+{
+    if (RSAREF_lib_error_code == 0)
+        RSAREF_lib_error_code = ERR_get_next_error_library();
+    ERR_PUT_error(RSAREF_lib_error_code, function, reason, file, line);
+}
diff --git a/openssl/demos/engines/rsaref/rsaref_err.h b/openssl/demos/engines/rsaref/rsaref_err.h
index 19759709b..4356815c4 100644
--- a/openssl/demos/engines/rsaref/rsaref_err.h
+++ b/openssl/demos/engines/rsaref/rsaref_err.h
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -54,54 +54,55 @@
  */
 
 #ifndef HEADER_RSAREF_ERR_H
-#define HEADER_RSAREF_ERR_H
+# define HEADER_RSAREF_ERR_H
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /* BEGIN ERROR CODES */
-/* The following lines are auto generated by the script mkerr.pl. Any changes
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
 static void ERR_load_RSAREF_strings(void);
 static void ERR_unload_RSAREF_strings(void);
 static void ERR_RSAREF_error(int function, int reason, char *file, int line);
-#define RSAREFerr(f,r) ERR_RSAREF_error((f),(r),__FILE__,__LINE__)
+# define RSAREFerr(f,r) ERR_RSAREF_error((f),(r),__FILE__,__LINE__)
 /* Error codes for the RSAREF functions. */
 
 /* Function codes. */
-#define RSAREF_F_BNREF_MOD_EXP				 100
-#define RSAREF_F_CIPHER_DES_CBC_CODE			 112
-#define RSAREF_F_RSAREF_BN2BIN				 101
-#define RSAREF_F_RSAREF_MOD_EXP				 102
-#define RSAREF_F_RSAREF_PRIVATE_DECRYPT			 103
-#define RSAREF_F_RSAREF_PRIVATE_ENCRYPT			 104
-#define RSAREF_F_RSAREF_PUBLIC_DECRYPT			 105
-#define RSAREF_F_RSAREF_PUBLIC_ENCRYPT			 106
-#define RSAREF_F_RSA_BN2BIN				 107
-#define RSAREF_F_RSA_PRIVATE_DECRYPT			 108
-#define RSAREF_F_RSA_PRIVATE_ENCRYPT			 109
-#define RSAREF_F_RSA_PUBLIC_DECRYPT			 110
-#define RSAREF_F_RSA_PUBLIC_ENCRYPT			 111
+# define RSAREF_F_BNREF_MOD_EXP                           100
+# define RSAREF_F_CIPHER_DES_CBC_CODE                     112
+# define RSAREF_F_RSAREF_BN2BIN                           101
+# define RSAREF_F_RSAREF_MOD_EXP                          102
+# define RSAREF_F_RSAREF_PRIVATE_DECRYPT                  103
+# define RSAREF_F_RSAREF_PRIVATE_ENCRYPT                  104
+# define RSAREF_F_RSAREF_PUBLIC_DECRYPT                   105
+# define RSAREF_F_RSAREF_PUBLIC_ENCRYPT                   106
+# define RSAREF_F_RSA_BN2BIN                              107
+# define RSAREF_F_RSA_PRIVATE_DECRYPT                     108
+# define RSAREF_F_RSA_PRIVATE_ENCRYPT                     109
+# define RSAREF_F_RSA_PUBLIC_DECRYPT                      110
+# define RSAREF_F_RSA_PUBLIC_ENCRYPT                      111
 
 /* Reason codes. */
-#define RSAREF_R_CONTENT_ENCODING			 100
-#define RSAREF_R_DATA					 101
-#define RSAREF_R_DIGEST_ALGORITHM			 102
-#define RSAREF_R_ENCODING				 103
-#define RSAREF_R_ENCRYPTION_ALGORITHM			 104
-#define RSAREF_R_KEY					 105
-#define RSAREF_R_KEY_ENCODING				 106
-#define RSAREF_R_LEN					 107
-#define RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED		 114
-#define RSAREF_R_MODULUS_LEN				 108
-#define RSAREF_R_NEED_RANDOM				 109
-#define RSAREF_R_PRIVATE_KEY				 110
-#define RSAREF_R_PUBLIC_KEY				 111
-#define RSAREF_R_SIGNATURE				 112
-#define RSAREF_R_SIGNATURE_ENCODING			 113
-#define RSAREF_R_UNKNOWN_FAULT				 115
+# define RSAREF_R_CONTENT_ENCODING                        100
+# define RSAREF_R_DATA                                    101
+# define RSAREF_R_DIGEST_ALGORITHM                        102
+# define RSAREF_R_ENCODING                                103
+# define RSAREF_R_ENCRYPTION_ALGORITHM                    104
+# define RSAREF_R_KEY                                     105
+# define RSAREF_R_KEY_ENCODING                            106
+# define RSAREF_R_LEN                                     107
+# define RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED                114
+# define RSAREF_R_MODULUS_LEN                             108
+# define RSAREF_R_NEED_RANDOM                             109
+# define RSAREF_R_PRIVATE_KEY                             110
+# define RSAREF_R_PUBLIC_KEY                              111
+# define RSAREF_R_SIGNATURE                               112
+# define RSAREF_R_SIGNATURE_ENCODING                      113
+# define RSAREF_R_UNKNOWN_FAULT                           115
 
 #ifdef  __cplusplus
 }
diff --git a/openssl/demos/engines/zencod/hw_zencod.c b/openssl/demos/engines/zencod/hw_zencod.c
index 4234b93cb..0c0f524d4 100644
--- a/openssl/demos/engines/zencod/hw_zencod.c
+++ b/openssl/demos/engines/zencod/hw_zencod.c
@@ -1,12 +1,10 @@
 /* crypto/engine/hw_zencod.c */
- /* Written by Fred Donnat (frederic.donnat@zencod.com) for "zencod"
- * engine integration in order to redirect crypto computing on a crypto
- * hardware accelerator zenssl32  ;-)
- *
- * Date : 25 jun 2002
- * Revision : 17 Ju7 2002
- * Version : zencod_engine-0.9.7
- */
+ /*
+  * Written by Fred Donnat (frederic.donnat@zencod.com) for "zencod" * engine
+  * integration in order to redirect crypto computing on a crypto * hardware
+  * accelerator zenssl32 ;-) * * Date : 25 jun 2002 * Revision : 17 Ju7 2002
+  * * Version : zencod_engine-0.9.7
+  */
 
 /* ====================================================================
  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
@@ -62,7 +60,6 @@
  *
  */
 
-
 /* ENGINE general include */
 #include <stdio.h>
 #include <openssl/crypto.h>
@@ -70,1670 +67,1743 @@
 #include <openssl/engine.h>
 
 #ifndef OPENSSL_NO_HW
-#ifndef OPENSSL_NO_HW_ZENCOD
-
-#ifdef FLAT_INC
-#  include "hw_zencod.h"
-#else
-#  include "vendor_defns/hw_zencod.h"
-#endif
+# ifndef OPENSSL_NO_HW_ZENCOD
 
-#define ZENCOD_LIB_NAME "zencod engine"
-#include "hw_zencod_err.c"
+#  ifdef FLAT_INC
+#   include "hw_zencod.h"
+#  else
+#   include "vendor_defns/hw_zencod.h"
+#  endif
 
-#define FAIL_TO_SOFTWARE		-15
+#  define ZENCOD_LIB_NAME "zencod engine"
+#  include "hw_zencod_err.c"
 
-#define	ZEN_LIBRARY	"zenbridge"
+#  define FAIL_TO_SOFTWARE                -15
 
-#if 0
-#  define PERROR(s)	perror(s)
-#  define CHEESE()	fputs("## [ZenEngine] ## " __FUNCTION__ "\n", stderr)
-#else
-#  define PERROR(s)
-#  define CHEESE()
-#endif
+#  define ZEN_LIBRARY     "zenbridge"
 
+#  if 0
+#   define PERROR(s)     perror(s)
+#   define CHEESE()      fputs("## [ZenEngine] ## " __FUNCTION__ "\n", stderr)
+#  else
+#   define PERROR(s)
+#   define CHEESE()
+#  endif
 
 /* Sorry ;) */
-#ifndef WIN32
-static inline void esrever ( unsigned char *d, int l )
+#  ifndef WIN32
+static inline void esrever(unsigned char *d, int l)
 {
-	for(;--l>0;--l,d++){*d^=*(d+l);*(d+l)^=*d;*d^=*(d+l);}
+    for (; --l > 0; --l, d++) {
+        *d ^= *(d + l);
+        *(d + l) ^= *d;
+        *d ^= *(d + l);
+    }
 }
 
-static inline void ypcmem ( unsigned char *d, const unsigned char *s, int l )
+static inline void ypcmem(unsigned char *d, const unsigned char *s, int l)
 {
-	for(d+=l;l--;)*--d=*s++;
+    for (d += l; l--;)
+        *--d = *s++;
 }
-#else
-static __inline void esrever ( unsigned char *d, int l )
+#  else
+static __inline void esrever(unsigned char *d, int l)
 {
-	for(;--l>0;--l,d++){*d^=*(d+l);*(d+l)^=*d;*d^=*(d+l);}
+    for (; --l > 0; --l, d++) {
+        *d ^= *(d + l);
+        *(d + l) ^= *d;
+        *d ^= *(d + l);
+    }
 }
 
-static __inline void ypcmem ( unsigned char *d, const unsigned char *s, int l )
+static __inline void ypcmem(unsigned char *d, const unsigned char *s, int l)
 {
-	for(d+=l;l--;)*--d=*s++;
+    for (d += l; l--;)
+        *--d = *s++;
 }
-#endif
+#  endif
 
+#  define BIGNUM2ZEN(n, bn)       (ptr_zencod_init_number((n), \
+                                        (unsigned long) ((bn)->top * BN_BITS2), \
+                                        (unsigned char *) ((bn)->d)))
 
-#define BIGNUM2ZEN(n, bn)	(ptr_zencod_init_number((n), \
-					(unsigned long) ((bn)->top * BN_BITS2), \
-					(unsigned char *) ((bn)->d)))
-
-#define ZEN_BITS(n, bytes)	(ptr_zencod_bytes2bits((unsigned char *) (n), (unsigned long) (bytes)))
-#define ZEN_BYTES(bits)	(ptr_zencod_bits2bytes((unsigned long) (bits)))
-
+#  define ZEN_BITS(n, bytes)      (ptr_zencod_bytes2bits((unsigned char *) (n), (unsigned long) (bytes)))
+#  define ZEN_BYTES(bits) (ptr_zencod_bits2bytes((unsigned long) (bits)))
 
 /* Function for ENGINE detection and control */
-static int zencod_destroy ( ENGINE *e ) ;
-static int zencod_init ( ENGINE *e ) ;
-static int zencod_finish ( ENGINE *e ) ;
-static int zencod_ctrl ( ENGINE *e, int cmd, long i, void *p, void (*f) () ) ;
+static int zencod_destroy(ENGINE *e);
+static int zencod_init(ENGINE *e);
+static int zencod_finish(ENGINE *e);
+static int zencod_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ());
 
 /* BIGNUM stuff */
-static int zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx ) ;
+static int zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                             const BIGNUM *m, BN_CTX *ctx);
 
 /* RSA stuff */
-#ifndef OPENSSL_NO_RSA
-static int RSA_zencod_rsa_mod_exp ( BIGNUM *r0, const BIGNUM *I, RSA *rsa ) ;
-static int RSA_zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx ) ;
-#endif
+#  ifndef OPENSSL_NO_RSA
+static int RSA_zencod_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
+static int RSA_zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                                 const BIGNUM *m, BN_CTX *ctx,
+                                 BN_MONT_CTX *m_ctx);
+#  endif
 
 /* DSA stuff */
-#ifndef OPENSSL_NO_DSA
-static int DSA_zencod_bn_mod_exp ( DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx ) ;
+#  ifndef OPENSSL_NO_DSA
+static int DSA_zencod_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a,
+                                 const BIGNUM *p, const BIGNUM *m,
+                                 BN_CTX *ctx, BN_MONT_CTX *m_ctx);
 
-static DSA_SIG *DSA_zencod_do_sign ( const unsigned char *dgst, int dlen, DSA *dsa ) ;
-static int DSA_zencod_do_verify ( const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
-		DSA *dsa ) ;
-#endif
+static DSA_SIG *DSA_zencod_do_sign(const unsigned char *dgst, int dlen,
+                                   DSA *dsa);
+static int DSA_zencod_do_verify(const unsigned char *dgst, int dgst_len,
+                                DSA_SIG *sig, DSA *dsa);
+#  endif
 
 /* DH stuff */
-#ifndef OPENSSL_NO_DH
-static int DH_zencod_bn_mod_exp ( const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx ) ;
-static int DH_zencod_generate_key ( DH *dh ) ;
-static int DH_zencod_compute_key ( unsigned char *key, const BIGNUM *pub_key, DH *dh ) ;
-#endif
+#  ifndef OPENSSL_NO_DH
+static int DH_zencod_bn_mod_exp(const DH *dh, BIGNUM *r, const BIGNUM *a,
+                                const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                                BN_MONT_CTX *m_ctx);
+static int DH_zencod_generate_key(DH *dh);
+static int DH_zencod_compute_key(unsigned char *key, const BIGNUM *pub_key,
+                                 DH *dh);
+#  endif
 
 /* Rand stuff */
-static void RAND_zencod_seed ( const void *buf, int num ) ;
-static int RAND_zencod_rand_bytes ( unsigned char *buf, int num ) ;
-static int RAND_zencod_rand_status ( void ) ;
+static void RAND_zencod_seed(const void *buf, int num);
+static int RAND_zencod_rand_bytes(unsigned char *buf, int num);
+static int RAND_zencod_rand_status(void);
 
 /* Digest Stuff */
-static int engine_digests ( ENGINE *e, const EVP_MD **digest, const int **nids, int nid ) ;
+static int engine_digests(ENGINE *e, const EVP_MD **digest, const int **nids,
+                          int nid);
 
 /* Cipher Stuff */
-static int engine_ciphers ( ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid ) ;
-
-
-#define ZENCOD_CMD_SO_PATH			ENGINE_CMD_BASE
-static const ENGINE_CMD_DEFN zencod_cmd_defns [ ] =
-{
-	{ ZENCOD_CMD_SO_PATH,
-	  "SO_PATH",
-	  "Specifies the path to the 'zenbridge' shared library",
-	  ENGINE_CMD_FLAG_STRING},
-	{ 0, NULL, NULL, 0 }
-} ;
-
-
-#ifndef OPENSSL_NO_RSA
-/* Our internal RSA_METHOD specific to zencod ENGINE providing pointers to our function */
-static RSA_METHOD zencod_rsa =
-{
-	"ZENCOD RSA method",
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	RSA_zencod_rsa_mod_exp,
-	RSA_zencod_bn_mod_exp,
-	NULL,
-	NULL,
-	0,
-	NULL,
-	NULL,
-	NULL
-} ;
-#endif
-
-#ifndef OPENSSL_NO_DSA
-/* Our internal DSA_METHOD specific to zencod ENGINE providing pointers to our function */
-static DSA_METHOD zencod_dsa =
-{
-	"ZENCOD DSA method",
-	DSA_zencod_do_sign,
-	NULL,
-	DSA_zencod_do_verify,
-	NULL,
-	DSA_zencod_bn_mod_exp,
-	NULL,
-	NULL,
-	0,
-	NULL
-} ;
-#endif
-
-#ifndef OPENSSL_NO_DH
-/* Our internal DH_METHOD specific to zencod ENGINE providing pointers to our function */
-static DH_METHOD zencod_dh =
-{
-	"ZENCOD DH method",
-	DH_zencod_generate_key,
-	DH_zencod_compute_key,
-	DH_zencod_bn_mod_exp,
-	NULL,
-	NULL,
-	0,
-	NULL
-} ;
-#endif
-
-/* Our internal RAND_meth specific to zencod ZNGINE providing pointers to  our function */
-static RAND_METHOD zencod_rand =
-{
-	RAND_zencod_seed,
-	RAND_zencod_rand_bytes,
-	NULL,
-	NULL,
-	RAND_zencod_rand_bytes,
-	RAND_zencod_rand_status
-} ;
+static int engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
+                          const int **nids, int nid);
+
+#  define ZENCOD_CMD_SO_PATH                      ENGINE_CMD_BASE
+static const ENGINE_CMD_DEFN zencod_cmd_defns[] = {
+    {ZENCOD_CMD_SO_PATH,
+     "SO_PATH",
+     "Specifies the path to the 'zenbridge' shared library",
+     ENGINE_CMD_FLAG_STRING},
+    {0, NULL, NULL, 0}
+};
+
+#  ifndef OPENSSL_NO_RSA
+/*
+ * Our internal RSA_METHOD specific to zencod ENGINE providing pointers to
+ * our function
+ */
+static RSA_METHOD zencod_rsa = {
+    "ZENCOD RSA method",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    RSA_zencod_rsa_mod_exp,
+    RSA_zencod_bn_mod_exp,
+    NULL,
+    NULL,
+    0,
+    NULL,
+    NULL,
+    NULL
+};
+#  endif
+
+#  ifndef OPENSSL_NO_DSA
+/*
+ * Our internal DSA_METHOD specific to zencod ENGINE providing pointers to
+ * our function
+ */
+static DSA_METHOD zencod_dsa = {
+    "ZENCOD DSA method",
+    DSA_zencod_do_sign,
+    NULL,
+    DSA_zencod_do_verify,
+    NULL,
+    DSA_zencod_bn_mod_exp,
+    NULL,
+    NULL,
+    0,
+    NULL
+};
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+/*
+ * Our internal DH_METHOD specific to zencod ENGINE providing pointers to our
+ * function
+ */
+static DH_METHOD zencod_dh = {
+    "ZENCOD DH method",
+    DH_zencod_generate_key,
+    DH_zencod_compute_key,
+    DH_zencod_bn_mod_exp,
+    NULL,
+    NULL,
+    0,
+    NULL
+};
+#  endif
 
+/*
+ * Our internal RAND_meth specific to zencod ZNGINE providing pointers to our
+ * function
+ */
+static RAND_METHOD zencod_rand = {
+    RAND_zencod_seed,
+    RAND_zencod_rand_bytes,
+    NULL,
+    NULL,
+    RAND_zencod_rand_bytes,
+    RAND_zencod_rand_status
+};
 
 /* Constants used when creating the ENGINE */
 static const char *engine_zencod_id = "zencod";
 static const char *engine_zencod_name = "ZENCOD hardware engine support";
 
-
-/* This internal function is used by ENGINE_zencod () and possibly by the
- * "dynamic" ENGINE support too   ;-)
+/*
+ * This internal function is used by ENGINE_zencod () and possibly by the
+ * "dynamic" ENGINE support too ;-)
  */
-static int bind_helper ( ENGINE *e )
+static int bind_helper(ENGINE *e)
 {
 
-#ifndef OPENSSL_NO_RSA
-	const RSA_METHOD *meth_rsa ;
-#endif
-#ifndef OPENSSL_NO_DSA
-	const DSA_METHOD *meth_dsa ;
-#endif
-#ifndef OPENSSL_NO_DH
-	const DH_METHOD *meth_dh ;
-#endif
-
-	const RAND_METHOD *meth_rand ;
-
-
-	if ( !ENGINE_set_id ( e, engine_zencod_id ) ||
-			!ENGINE_set_name ( e, engine_zencod_name ) ||
-#ifndef OPENSSL_NO_RSA
-			!ENGINE_set_RSA ( e, &zencod_rsa ) ||
-#endif
-#ifndef OPENSSL_NO_DSA
-			!ENGINE_set_DSA ( e, &zencod_dsa ) ||
-#endif
-#ifndef OPENSSL_NO_DH
-			!ENGINE_set_DH ( e, &zencod_dh ) ||
-#endif
-			!ENGINE_set_RAND ( e, &zencod_rand ) ||
-
-			!ENGINE_set_destroy_function ( e, zencod_destroy ) ||
-			!ENGINE_set_init_function ( e, zencod_init ) ||
-			!ENGINE_set_finish_function ( e, zencod_finish ) ||
-			!ENGINE_set_ctrl_function ( e, zencod_ctrl ) ||
-			!ENGINE_set_cmd_defns ( e, zencod_cmd_defns ) ||
-			!ENGINE_set_digests ( e, engine_digests ) ||
-			!ENGINE_set_ciphers ( e, engine_ciphers ) ) {
-		return 0 ;
-	}
-
-#ifndef OPENSSL_NO_RSA
-	/* We know that the "PKCS1_SSLeay()" functions hook properly
-	 * to the Zencod-specific mod_exp and mod_exp_crt so we use
-	 * those functions. NB: We don't use ENGINE_openssl() or
-	 * anything "more generic" because something like the RSAref
-	 * code may not hook properly, and if you own one of these
-	 * cards then you have the right to do RSA operations on it
-	 * anyway!
-	 */
-	meth_rsa = RSA_PKCS1_SSLeay () ;
-
-	zencod_rsa.rsa_pub_enc = meth_rsa->rsa_pub_enc ;
-	zencod_rsa.rsa_pub_dec = meth_rsa->rsa_pub_dec ;
-	zencod_rsa.rsa_priv_enc = meth_rsa->rsa_priv_enc ;
-	zencod_rsa.rsa_priv_dec = meth_rsa->rsa_priv_dec ;
-	/* meth_rsa->rsa_mod_exp */
-	/* meth_rsa->bn_mod_exp */
-	zencod_rsa.init = meth_rsa->init ;
-	zencod_rsa.finish = meth_rsa->finish ;
-#endif
-
-#ifndef OPENSSL_NO_DSA
-	/* We use OpenSSL meth to supply what we don't provide ;-*)
-	 */
-	meth_dsa = DSA_OpenSSL () ;
-
-	/* meth_dsa->dsa_do_sign */
-	zencod_dsa.dsa_sign_setup = meth_dsa->dsa_sign_setup ;
-	/* meth_dsa->dsa_do_verify */
-	zencod_dsa.dsa_mod_exp = meth_dsa->dsa_mod_exp ;
-	/* zencod_dsa.bn_mod_exp = meth_dsa->bn_mod_exp ; */
-	zencod_dsa.init = meth_dsa->init ;
-	zencod_dsa.finish = meth_dsa->finish ;
-#endif
-
-#ifndef OPENSSL_NO_DH
-	/* We use OpenSSL meth to supply what we don't provide ;-*)
-	 */
-	meth_dh = DH_OpenSSL () ;
-
-	/* zencod_dh.generate_key = meth_dh->generate_key ; */
-	/* zencod_dh.compute_key = meth_dh->compute_key ; */
-	/* zencod_dh.bn_mod_exp = meth_dh->bn_mod_exp ; */
-	zencod_dh.init = meth_dh->init ;
-	zencod_dh.finish = meth_dh->finish ;
-
-#endif
-
-	/* We use OpenSSL (SSLeay) meth to supply what we don't provide ;-*)
-	 */
-	meth_rand = RAND_SSLeay () ;
-
-	/* meth_rand->seed ; */
-	/* zencod_rand.seed = meth_rand->seed ; */
-	/* meth_rand->bytes ; */
-	/* zencod_rand.bytes = meth_rand->bytes ; */
-	zencod_rand.cleanup = meth_rand->cleanup ;
-	zencod_rand.add = meth_rand->add ;
-	/* meth_rand->pseudorand ; */
-	/* zencod_rand.pseudorand = meth_rand->pseudorand ; */
-	/* zencod_rand.status = meth_rand->status ; */
-	/* meth_rand->status ; */
-
-	/* Ensure the zencod error handling is set up */
-	ERR_load_ZENCOD_strings () ;
-	return 1 ;
+#  ifndef OPENSSL_NO_RSA
+    const RSA_METHOD *meth_rsa;
+#  endif
+#  ifndef OPENSSL_NO_DSA
+    const DSA_METHOD *meth_dsa;
+#  endif
+#  ifndef OPENSSL_NO_DH
+    const DH_METHOD *meth_dh;
+#  endif
+
+    const RAND_METHOD *meth_rand;
+
+    if (!ENGINE_set_id(e, engine_zencod_id) ||
+        !ENGINE_set_name(e, engine_zencod_name) ||
+#  ifndef OPENSSL_NO_RSA
+        !ENGINE_set_RSA(e, &zencod_rsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DSA
+        !ENGINE_set_DSA(e, &zencod_dsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DH
+        !ENGINE_set_DH(e, &zencod_dh) ||
+#  endif
+        !ENGINE_set_RAND(e, &zencod_rand) ||
+        !ENGINE_set_destroy_function(e, zencod_destroy) ||
+        !ENGINE_set_init_function(e, zencod_init) ||
+        !ENGINE_set_finish_function(e, zencod_finish) ||
+        !ENGINE_set_ctrl_function(e, zencod_ctrl) ||
+        !ENGINE_set_cmd_defns(e, zencod_cmd_defns) ||
+        !ENGINE_set_digests(e, engine_digests) ||
+        !ENGINE_set_ciphers(e, engine_ciphers)) {
+        return 0;
+    }
+#  ifndef OPENSSL_NO_RSA
+    /*
+     * We know that the "PKCS1_SSLeay()" functions hook properly to the
+     * Zencod-specific mod_exp and mod_exp_crt so we use those functions. NB:
+     * We don't use ENGINE_openssl() or anything "more generic" because
+     * something like the RSAref code may not hook properly, and if you own
+     * one of these cards then you have the right to do RSA operations on it
+     * anyway!
+     */
+    meth_rsa = RSA_PKCS1_SSLeay();
+
+    zencod_rsa.rsa_pub_enc = meth_rsa->rsa_pub_enc;
+    zencod_rsa.rsa_pub_dec = meth_rsa->rsa_pub_dec;
+    zencod_rsa.rsa_priv_enc = meth_rsa->rsa_priv_enc;
+    zencod_rsa.rsa_priv_dec = meth_rsa->rsa_priv_dec;
+    /* meth_rsa->rsa_mod_exp */
+    /* meth_rsa->bn_mod_exp */
+    zencod_rsa.init = meth_rsa->init;
+    zencod_rsa.finish = meth_rsa->finish;
+#  endif
+
+#  ifndef OPENSSL_NO_DSA
+    /*
+     * We use OpenSSL meth to supply what we don't provide ;-*)
+     */
+    meth_dsa = DSA_OpenSSL();
+
+    /* meth_dsa->dsa_do_sign */
+    zencod_dsa.dsa_sign_setup = meth_dsa->dsa_sign_setup;
+    /* meth_dsa->dsa_do_verify */
+    zencod_dsa.dsa_mod_exp = meth_dsa->dsa_mod_exp;
+    /* zencod_dsa.bn_mod_exp = meth_dsa->bn_mod_exp ; */
+    zencod_dsa.init = meth_dsa->init;
+    zencod_dsa.finish = meth_dsa->finish;
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+    /*
+     * We use OpenSSL meth to supply what we don't provide ;-*)
+     */
+    meth_dh = DH_OpenSSL();
+
+    /* zencod_dh.generate_key = meth_dh->generate_key ; */
+    /* zencod_dh.compute_key = meth_dh->compute_key ; */
+    /* zencod_dh.bn_mod_exp = meth_dh->bn_mod_exp ; */
+    zencod_dh.init = meth_dh->init;
+    zencod_dh.finish = meth_dh->finish;
+
+#  endif
+
+    /*
+     * We use OpenSSL (SSLeay) meth to supply what we don't provide ;-*)
+     */
+    meth_rand = RAND_SSLeay();
+
+    /* meth_rand->seed ; */
+    /* zencod_rand.seed = meth_rand->seed ; */
+    /* meth_rand->bytes ; */
+    /* zencod_rand.bytes = meth_rand->bytes ; */
+    zencod_rand.cleanup = meth_rand->cleanup;
+    zencod_rand.add = meth_rand->add;
+    /* meth_rand->pseudorand ; */
+    /* zencod_rand.pseudorand = meth_rand->pseudorand ; */
+    /* zencod_rand.status = meth_rand->status ; */
+    /* meth_rand->status ; */
+
+    /* Ensure the zencod error handling is set up */
+    ERR_load_ZENCOD_strings();
+    return 1;
 }
 
-
-/* As this is only ever called once, there's no need for locking
- * (indeed - the lock will already be held by our caller!!!)
+/*
+ * As this is only ever called once, there's no need for locking (indeed -
+ * the lock will already be held by our caller!!!)
  */
-static ENGINE *ENGINE_zencod ( void )
+static ENGINE *ENGINE_zencod(void)
 {
 
-	ENGINE *eng = ENGINE_new () ;
+    ENGINE *eng = ENGINE_new();
 
-	if ( !eng ) {
-		return NULL ;
-	}
-	if ( !bind_helper ( eng ) ) {
-		ENGINE_free ( eng ) ;
-		return NULL ;
-	}
+    if (!eng) {
+        return NULL;
+    }
+    if (!bind_helper(eng)) {
+        ENGINE_free(eng);
+        return NULL;
+    }
 
-	return eng ;
+    return eng;
 }
 
-
-#ifdef ENGINE_DYNAMIC_SUPPORT
+#  ifdef ENGINE_DYNAMIC_SUPPORT
 static
-#endif
-void ENGINE_load_zencod ( void )
+#  endif
+void ENGINE_load_zencod(void)
 {
-	/* Copied from eng_[openssl|dyn].c */
-	ENGINE *toadd = ENGINE_zencod ( ) ;
-	if ( !toadd ) return ;
-	ENGINE_add ( toadd ) ;
-	ENGINE_free ( toadd ) ;
-	ERR_clear_error ( ) ;
+    /* Copied from eng_[openssl|dyn].c */
+    ENGINE *toadd = ENGINE_zencod();
+    if (!toadd)
+        return;
+    ENGINE_add(toadd);
+    ENGINE_free(toadd);
+    ERR_clear_error();
 }
 
-
-/* This is a process-global DSO handle used for loading and unloading
- * the ZENBRIDGE library.
- * NB: This is only set (or unset) during an * init () or finish () call
- * (reference counts permitting) and they're  * operating with global locks,
- * so this should be thread-safe * implicitly.
+/*
+ * This is a process-global DSO handle used for loading and unloading the
+ * ZENBRIDGE library. NB: This is only set (or unset) during an * init () or
+ * finish () call (reference counts permitting) and they're * operating with
+ * global locks, so this should be thread-safe * implicitly.
  */
-static DSO *zencod_dso = NULL ;
-
-static t_zencod_test *ptr_zencod_test = NULL ;
-static t_zencod_bytes2bits *ptr_zencod_bytes2bits = NULL ;
-static t_zencod_bits2bytes *ptr_zencod_bits2bytes = NULL ;
-static t_zencod_new_number *ptr_zencod_new_number = NULL ;
-static t_zencod_init_number *ptr_zencod_init_number = NULL ;
-
-static t_zencod_rsa_mod_exp *ptr_zencod_rsa_mod_exp = NULL ;
-static t_zencod_rsa_mod_exp_crt *ptr_zencod_rsa_mod_exp_crt = NULL ;
-static t_zencod_dsa_do_sign *ptr_zencod_dsa_do_sign = NULL ;
-static t_zencod_dsa_do_verify *ptr_zencod_dsa_do_verify = NULL ;
-static t_zencod_dh_generate_key *ptr_zencod_dh_generate_key = NULL ;
-static t_zencod_dh_compute_key *ptr_zencod_dh_compute_key = NULL ;
-static t_zencod_rand_bytes *ptr_zencod_rand_bytes = NULL ;
-static t_zencod_math_mod_exp *ptr_zencod_math_mod_exp = NULL ;
-
-static t_zencod_md5_init *ptr_zencod_md5_init = NULL ;
-static t_zencod_md5_update *ptr_zencod_md5_update = NULL ;
-static t_zencod_md5_do_final *ptr_zencod_md5_do_final = NULL ;
-static t_zencod_sha1_init *ptr_zencod_sha1_init = NULL ;
-static t_zencod_sha1_update *ptr_zencod_sha1_update = NULL ;
-static t_zencod_sha1_do_final *ptr_zencod_sha1_do_final = NULL ;
-
-static t_zencod_xdes_cipher *ptr_zencod_xdes_cipher = NULL ;
-static t_zencod_rc4_cipher *ptr_zencod_rc4_cipher = NULL ;
-
-/* These are the static string constants for the DSO file name and the function
- * symbol names to bind to.
+static DSO *zencod_dso = NULL;
+
+static t_zencod_test *ptr_zencod_test = NULL;
+static t_zencod_bytes2bits *ptr_zencod_bytes2bits = NULL;
+static t_zencod_bits2bytes *ptr_zencod_bits2bytes = NULL;
+static t_zencod_new_number *ptr_zencod_new_number = NULL;
+static t_zencod_init_number *ptr_zencod_init_number = NULL;
+
+static t_zencod_rsa_mod_exp *ptr_zencod_rsa_mod_exp = NULL;
+static t_zencod_rsa_mod_exp_crt *ptr_zencod_rsa_mod_exp_crt = NULL;
+static t_zencod_dsa_do_sign *ptr_zencod_dsa_do_sign = NULL;
+static t_zencod_dsa_do_verify *ptr_zencod_dsa_do_verify = NULL;
+static t_zencod_dh_generate_key *ptr_zencod_dh_generate_key = NULL;
+static t_zencod_dh_compute_key *ptr_zencod_dh_compute_key = NULL;
+static t_zencod_rand_bytes *ptr_zencod_rand_bytes = NULL;
+static t_zencod_math_mod_exp *ptr_zencod_math_mod_exp = NULL;
+
+static t_zencod_md5_init *ptr_zencod_md5_init = NULL;
+static t_zencod_md5_update *ptr_zencod_md5_update = NULL;
+static t_zencod_md5_do_final *ptr_zencod_md5_do_final = NULL;
+static t_zencod_sha1_init *ptr_zencod_sha1_init = NULL;
+static t_zencod_sha1_update *ptr_zencod_sha1_update = NULL;
+static t_zencod_sha1_do_final *ptr_zencod_sha1_do_final = NULL;
+
+static t_zencod_xdes_cipher *ptr_zencod_xdes_cipher = NULL;
+static t_zencod_rc4_cipher *ptr_zencod_rc4_cipher = NULL;
+
+/*
+ * These are the static string constants for the DSO file name and the
+ * function symbol names to bind to.
  */
-static const char *ZENCOD_LIBNAME = ZEN_LIBRARY ;
-
-static const char *ZENCOD_Fct_0 = "test_device" ;
-static const char *ZENCOD_Fct_1 = "zenbridge_bytes2bits" ;
-static const char *ZENCOD_Fct_2 = "zenbridge_bits2bytes" ;
-static const char *ZENCOD_Fct_3 = "zenbridge_new_number" ;
-static const char *ZENCOD_Fct_4 = "zenbridge_init_number" ;
-
-static const char *ZENCOD_Fct_exp_1 = "zenbridge_rsa_mod_exp" ;
-static const char *ZENCOD_Fct_exp_2 = "zenbridge_rsa_mod_exp_crt" ;
-static const char *ZENCOD_Fct_dsa_1 = "zenbridge_dsa_do_sign" ;
-static const char *ZENCOD_Fct_dsa_2 = "zenbridge_dsa_do_verify" ;
-static const char *ZENCOD_Fct_dh_1 = "zenbridge_dh_generate_key" ;
-static const char *ZENCOD_Fct_dh_2 = "zenbridge_dh_compute_key" ;
-static const char *ZENCOD_Fct_rand_1 = "zenbridge_rand_bytes" ;
-static const char *ZENCOD_Fct_math_1 = "zenbridge_math_mod_exp" ;
-
-static const char *ZENCOD_Fct_md5_1 = "zenbridge_md5_init" ;
-static const char *ZENCOD_Fct_md5_2 = "zenbridge_md5_update" ;
-static const char *ZENCOD_Fct_md5_3 = "zenbridge_md5_do_final" ;
-static const char *ZENCOD_Fct_sha1_1 = "zenbridge_sha1_init" ;
-static const char *ZENCOD_Fct_sha1_2 = "zenbridge_sha1_update" ;
-static const char *ZENCOD_Fct_sha1_3 = "zenbridge_sha1_do_final" ;
-
-static const char *ZENCOD_Fct_xdes_1 = "zenbridge_xdes_cipher" ;
-static const char *ZENCOD_Fct_rc4_1 = "zenbridge_rc4_cipher" ;
-
-/* Destructor (complements the "ENGINE_zencod ()" constructor)
+static const char *ZENCOD_LIBNAME = ZEN_LIBRARY;
+
+static const char *ZENCOD_Fct_0 = "test_device";
+static const char *ZENCOD_Fct_1 = "zenbridge_bytes2bits";
+static const char *ZENCOD_Fct_2 = "zenbridge_bits2bytes";
+static const char *ZENCOD_Fct_3 = "zenbridge_new_number";
+static const char *ZENCOD_Fct_4 = "zenbridge_init_number";
+
+static const char *ZENCOD_Fct_exp_1 = "zenbridge_rsa_mod_exp";
+static const char *ZENCOD_Fct_exp_2 = "zenbridge_rsa_mod_exp_crt";
+static const char *ZENCOD_Fct_dsa_1 = "zenbridge_dsa_do_sign";
+static const char *ZENCOD_Fct_dsa_2 = "zenbridge_dsa_do_verify";
+static const char *ZENCOD_Fct_dh_1 = "zenbridge_dh_generate_key";
+static const char *ZENCOD_Fct_dh_2 = "zenbridge_dh_compute_key";
+static const char *ZENCOD_Fct_rand_1 = "zenbridge_rand_bytes";
+static const char *ZENCOD_Fct_math_1 = "zenbridge_math_mod_exp";
+
+static const char *ZENCOD_Fct_md5_1 = "zenbridge_md5_init";
+static const char *ZENCOD_Fct_md5_2 = "zenbridge_md5_update";
+static const char *ZENCOD_Fct_md5_3 = "zenbridge_md5_do_final";
+static const char *ZENCOD_Fct_sha1_1 = "zenbridge_sha1_init";
+static const char *ZENCOD_Fct_sha1_2 = "zenbridge_sha1_update";
+static const char *ZENCOD_Fct_sha1_3 = "zenbridge_sha1_do_final";
+
+static const char *ZENCOD_Fct_xdes_1 = "zenbridge_xdes_cipher";
+static const char *ZENCOD_Fct_rc4_1 = "zenbridge_rc4_cipher";
+
+/*
+ * Destructor (complements the "ENGINE_zencod ()" constructor)
  */
-static int zencod_destroy (ENGINE *e )
+static int zencod_destroy(ENGINE *e)
 {
 
-	ERR_unload_ZENCOD_strings () ;
+    ERR_unload_ZENCOD_strings();
 
-	return 1 ;
+    return 1;
 }
 
-
-/* (de)initialisation functions. Control Function
+/*
+ * (de)initialisation functions. Control Function
  */
-static int zencod_init ( ENGINE *e )
+static int zencod_init(ENGINE *e)
 {
 
-	t_zencod_test *ptr_0 ;
-	t_zencod_bytes2bits *ptr_1 ;
-	t_zencod_bits2bytes *ptr_2 ;
-	t_zencod_new_number *ptr_3 ;
-	t_zencod_init_number *ptr_4 ;
-	t_zencod_rsa_mod_exp *ptr_exp_1 ;
-	t_zencod_rsa_mod_exp_crt *ptr_exp_2 ;
-	t_zencod_dsa_do_sign *ptr_dsa_1 ;
-	t_zencod_dsa_do_verify *ptr_dsa_2 ;
-	t_zencod_dh_generate_key *ptr_dh_1 ;
-	t_zencod_dh_compute_key *ptr_dh_2 ;
-	t_zencod_rand_bytes *ptr_rand_1 ;
-	t_zencod_math_mod_exp *ptr_math_1 ;
-	t_zencod_md5_init *ptr_md5_1 ;
-	t_zencod_md5_update *ptr_md5_2 ;
-	t_zencod_md5_do_final *ptr_md5_3 ;
-	t_zencod_sha1_init *ptr_sha1_1 ;
-	t_zencod_sha1_update *ptr_sha1_2 ;
-	t_zencod_sha1_do_final *ptr_sha1_3 ;
-	t_zencod_xdes_cipher *ptr_xdes_1 ;
-	t_zencod_rc4_cipher *ptr_rc4_1 ;
-
-	CHEESE () ;
-
-	/*
-	 * We Should add some tests for non NULL parameters or bad value !!
-	 * Stuff to be done ...
-	 */
-
-	if ( zencod_dso != NULL ) {
-		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_ALREADY_LOADED ) ;
-		goto err ;
-	}
-	/* Trying to load the Library "cryptozen"
-	 */
-	zencod_dso = DSO_load ( NULL, ZENCOD_LIBNAME, NULL, 0 ) ;
-	if ( zencod_dso == NULL ) {
-		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE ) ;
-		goto err ;
-	}
-
-	/* Trying to load Function from the Library
-	 */
-	if ( ! ( ptr_1 = (t_zencod_bytes2bits*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_1 ) ) ||
-			! ( ptr_2 = (t_zencod_bits2bytes*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_2 ) ) ||
-			! ( ptr_3 = (t_zencod_new_number*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_3 ) ) ||
-			! ( ptr_4 = (t_zencod_init_number*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_4 ) ) ||
-			! ( ptr_exp_1 = (t_zencod_rsa_mod_exp*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_exp_1 ) ) ||
-			! ( ptr_exp_2 = (t_zencod_rsa_mod_exp_crt*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_exp_2 ) ) ||
-			! ( ptr_dsa_1 = (t_zencod_dsa_do_sign*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dsa_1 ) ) ||
-			! ( ptr_dsa_2 = (t_zencod_dsa_do_verify*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dsa_2 ) ) ||
-			! ( ptr_dh_1 = (t_zencod_dh_generate_key*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dh_1 ) ) ||
-			! ( ptr_dh_2 = (t_zencod_dh_compute_key*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dh_2 ) ) ||
-			! ( ptr_rand_1 = (t_zencod_rand_bytes*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_rand_1 ) ) ||
-			! ( ptr_math_1 = (t_zencod_math_mod_exp*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_math_1 ) ) ||
-			! ( ptr_0 = (t_zencod_test *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_0 ) ) ||
-			! ( ptr_md5_1 = (t_zencod_md5_init *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_1 ) ) ||
-			! ( ptr_md5_2 = (t_zencod_md5_update *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_2 ) ) ||
-			! ( ptr_md5_3 = (t_zencod_md5_do_final *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_3 ) ) ||
-			! ( ptr_sha1_1 = (t_zencod_sha1_init *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_1 ) ) ||
-			! ( ptr_sha1_2 = (t_zencod_sha1_update *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_2 ) ) ||
-			! ( ptr_sha1_3 = (t_zencod_sha1_do_final *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_3 ) ) ||
-			! ( ptr_xdes_1 = (t_zencod_xdes_cipher *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_xdes_1 ) ) ||
-			! ( ptr_rc4_1 = (t_zencod_rc4_cipher *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_rc4_1 ) ) ) {
-
-		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE ) ;
-		goto err ;
-	}
-
-	/* The function from "cryptozen" Library have been correctly loaded so copy them
-	 */
-	ptr_zencod_test = ptr_0 ;
-	ptr_zencod_bytes2bits = ptr_1 ;
-	ptr_zencod_bits2bytes = ptr_2 ;
-	ptr_zencod_new_number = ptr_3 ;
-	ptr_zencod_init_number = ptr_4 ;
-	ptr_zencod_rsa_mod_exp = ptr_exp_1 ;
-	ptr_zencod_rsa_mod_exp_crt = ptr_exp_2 ;
-	ptr_zencod_dsa_do_sign = ptr_dsa_1 ;
-	ptr_zencod_dsa_do_verify = ptr_dsa_2 ;
-	ptr_zencod_dh_generate_key = ptr_dh_1 ;
-	ptr_zencod_dh_compute_key = ptr_dh_2 ;
-	ptr_zencod_rand_bytes = ptr_rand_1 ;
-	ptr_zencod_math_mod_exp = ptr_math_1 ;
-	ptr_zencod_test = ptr_0 ;
-	ptr_zencod_md5_init = ptr_md5_1 ;
-	ptr_zencod_md5_update = ptr_md5_2 ;
-	ptr_zencod_md5_do_final = ptr_md5_3 ;
-	ptr_zencod_sha1_init = ptr_sha1_1 ;
-	ptr_zencod_sha1_update = ptr_sha1_2 ;
-	ptr_zencod_sha1_do_final = ptr_sha1_3 ;
-	ptr_zencod_xdes_cipher = ptr_xdes_1 ;
-	ptr_zencod_rc4_cipher = ptr_rc4_1 ;
-
-	/* We should peform a test to see if there is actually any unit runnig on the system ...
-	 * Even if the cryptozen library is loaded the module coul not be loaded on the system ...
-	 * For now we may just open and close the device !!
-	 */
-
-	if ( ptr_zencod_test () != 0 ) {
-		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_UNIT_FAILURE ) ;
-		goto err ;
-	}
-
-	return 1 ;
-err :
-	if ( zencod_dso ) {
-		DSO_free ( zencod_dso ) ;
-	}
-	zencod_dso = NULL ;
-	ptr_zencod_bytes2bits = NULL ;
-	ptr_zencod_bits2bytes = NULL ;
-	ptr_zencod_new_number = NULL ;
-	ptr_zencod_init_number = NULL ;
-	ptr_zencod_rsa_mod_exp = NULL ;
-	ptr_zencod_rsa_mod_exp_crt = NULL ;
-	ptr_zencod_dsa_do_sign = NULL ;
-	ptr_zencod_dsa_do_verify = NULL ;
-	ptr_zencod_dh_generate_key = NULL ;
-	ptr_zencod_dh_compute_key = NULL ;
-	ptr_zencod_rand_bytes = NULL ;
-	ptr_zencod_math_mod_exp = NULL ;
-	ptr_zencod_test = NULL ;
-	ptr_zencod_md5_init = NULL ;
-	ptr_zencod_md5_update = NULL ;
-	ptr_zencod_md5_do_final = NULL ;
-	ptr_zencod_sha1_init = NULL ;
-	ptr_zencod_sha1_update = NULL ;
-	ptr_zencod_sha1_do_final = NULL ;
-	ptr_zencod_xdes_cipher = NULL ;
-	ptr_zencod_rc4_cipher = NULL ;
-
-	return 0 ;
+    t_zencod_test *ptr_0;
+    t_zencod_bytes2bits *ptr_1;
+    t_zencod_bits2bytes *ptr_2;
+    t_zencod_new_number *ptr_3;
+    t_zencod_init_number *ptr_4;
+    t_zencod_rsa_mod_exp *ptr_exp_1;
+    t_zencod_rsa_mod_exp_crt *ptr_exp_2;
+    t_zencod_dsa_do_sign *ptr_dsa_1;
+    t_zencod_dsa_do_verify *ptr_dsa_2;
+    t_zencod_dh_generate_key *ptr_dh_1;
+    t_zencod_dh_compute_key *ptr_dh_2;
+    t_zencod_rand_bytes *ptr_rand_1;
+    t_zencod_math_mod_exp *ptr_math_1;
+    t_zencod_md5_init *ptr_md5_1;
+    t_zencod_md5_update *ptr_md5_2;
+    t_zencod_md5_do_final *ptr_md5_3;
+    t_zencod_sha1_init *ptr_sha1_1;
+    t_zencod_sha1_update *ptr_sha1_2;
+    t_zencod_sha1_do_final *ptr_sha1_3;
+    t_zencod_xdes_cipher *ptr_xdes_1;
+    t_zencod_rc4_cipher *ptr_rc4_1;
+
+    CHEESE();
+
+    /*
+     * We Should add some tests for non NULL parameters or bad value !!
+     * Stuff to be done ...
+     */
+
+    if (zencod_dso != NULL) {
+        ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_ALREADY_LOADED);
+        goto err;
+    }
+    /*
+     * Trying to load the Library "cryptozen"
+     */
+    zencod_dso = DSO_load(NULL, ZENCOD_LIBNAME, NULL, 0);
+    if (zencod_dso == NULL) {
+        ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE);
+        goto err;
+    }
+
+    /*
+     * Trying to load Function from the Library
+     */
+    if (!
+        (ptr_1 =
+         (t_zencod_bytes2bits *) DSO_bind_func(zencod_dso, ZENCOD_Fct_1))
+|| !(ptr_2 = (t_zencod_bits2bytes *) DSO_bind_func(zencod_dso, ZENCOD_Fct_2))
+|| !(ptr_3 = (t_zencod_new_number *) DSO_bind_func(zencod_dso, ZENCOD_Fct_3))
+|| !(ptr_4 = (t_zencod_init_number *) DSO_bind_func(zencod_dso, ZENCOD_Fct_4))
+|| !(ptr_exp_1 =
+     (t_zencod_rsa_mod_exp *) DSO_bind_func(zencod_dso, ZENCOD_Fct_exp_1))
+|| !(ptr_exp_2 =
+     (t_zencod_rsa_mod_exp_crt *) DSO_bind_func(zencod_dso, ZENCOD_Fct_exp_2))
+|| !(ptr_dsa_1 =
+     (t_zencod_dsa_do_sign *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dsa_1))
+|| !(ptr_dsa_2 =
+     (t_zencod_dsa_do_verify *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dsa_2))
+|| !(ptr_dh_1 =
+     (t_zencod_dh_generate_key *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dh_1))
+|| !(ptr_dh_2 =
+     (t_zencod_dh_compute_key *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dh_2))
+|| !(ptr_rand_1 =
+     (t_zencod_rand_bytes *) DSO_bind_func(zencod_dso, ZENCOD_Fct_rand_1))
+|| !(ptr_math_1 =
+     (t_zencod_math_mod_exp *) DSO_bind_func(zencod_dso, ZENCOD_Fct_math_1))
+|| !(ptr_0 = (t_zencod_test *) DSO_bind_func(zencod_dso, ZENCOD_Fct_0))
+|| !(ptr_md5_1 =
+     (t_zencod_md5_init *) DSO_bind_func(zencod_dso, ZENCOD_Fct_md5_1))
+|| !(ptr_md5_2 =
+     (t_zencod_md5_update *) DSO_bind_func(zencod_dso, ZENCOD_Fct_md5_2))
+|| !(ptr_md5_3 =
+     (t_zencod_md5_do_final *) DSO_bind_func(zencod_dso, ZENCOD_Fct_md5_3))
+|| !(ptr_sha1_1 =
+     (t_zencod_sha1_init *) DSO_bind_func(zencod_dso, ZENCOD_Fct_sha1_1))
+|| !(ptr_sha1_2 =
+     (t_zencod_sha1_update *) DSO_bind_func(zencod_dso, ZENCOD_Fct_sha1_2))
+|| !(ptr_sha1_3 =
+     (t_zencod_sha1_do_final *) DSO_bind_func(zencod_dso, ZENCOD_Fct_sha1_3))
+|| !(ptr_xdes_1 =
+     (t_zencod_xdes_cipher *) DSO_bind_func(zencod_dso, ZENCOD_Fct_xdes_1))
+|| !(ptr_rc4_1 =
+     (t_zencod_rc4_cipher *) DSO_bind_func(zencod_dso, ZENCOD_Fct_rc4_1))) {
+
+        ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE);
+        goto err;
+    }
+
+    /*
+     * The function from "cryptozen" Library have been correctly loaded so
+     * copy them
+     */
+    ptr_zencod_test = ptr_0;
+    ptr_zencod_bytes2bits = ptr_1;
+    ptr_zencod_bits2bytes = ptr_2;
+    ptr_zencod_new_number = ptr_3;
+    ptr_zencod_init_number = ptr_4;
+    ptr_zencod_rsa_mod_exp = ptr_exp_1;
+    ptr_zencod_rsa_mod_exp_crt = ptr_exp_2;
+    ptr_zencod_dsa_do_sign = ptr_dsa_1;
+    ptr_zencod_dsa_do_verify = ptr_dsa_2;
+    ptr_zencod_dh_generate_key = ptr_dh_1;
+    ptr_zencod_dh_compute_key = ptr_dh_2;
+    ptr_zencod_rand_bytes = ptr_rand_1;
+    ptr_zencod_math_mod_exp = ptr_math_1;
+    ptr_zencod_test = ptr_0;
+    ptr_zencod_md5_init = ptr_md5_1;
+    ptr_zencod_md5_update = ptr_md5_2;
+    ptr_zencod_md5_do_final = ptr_md5_3;
+    ptr_zencod_sha1_init = ptr_sha1_1;
+    ptr_zencod_sha1_update = ptr_sha1_2;
+    ptr_zencod_sha1_do_final = ptr_sha1_3;
+    ptr_zencod_xdes_cipher = ptr_xdes_1;
+    ptr_zencod_rc4_cipher = ptr_rc4_1;
+
+    /*
+     * We should peform a test to see if there is actually any unit runnig on
+     * the system ... Even if the cryptozen library is loaded the module coul
+     * not be loaded on the system ... For now we may just open and close the
+     * device !!
+     */
+
+    if (ptr_zencod_test() != 0) {
+        ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_UNIT_FAILURE);
+        goto err;
+    }
+
+    return 1;
+ err:
+    if (zencod_dso) {
+        DSO_free(zencod_dso);
+    }
+    zencod_dso = NULL;
+    ptr_zencod_bytes2bits = NULL;
+    ptr_zencod_bits2bytes = NULL;
+    ptr_zencod_new_number = NULL;
+    ptr_zencod_init_number = NULL;
+    ptr_zencod_rsa_mod_exp = NULL;
+    ptr_zencod_rsa_mod_exp_crt = NULL;
+    ptr_zencod_dsa_do_sign = NULL;
+    ptr_zencod_dsa_do_verify = NULL;
+    ptr_zencod_dh_generate_key = NULL;
+    ptr_zencod_dh_compute_key = NULL;
+    ptr_zencod_rand_bytes = NULL;
+    ptr_zencod_math_mod_exp = NULL;
+    ptr_zencod_test = NULL;
+    ptr_zencod_md5_init = NULL;
+    ptr_zencod_md5_update = NULL;
+    ptr_zencod_md5_do_final = NULL;
+    ptr_zencod_sha1_init = NULL;
+    ptr_zencod_sha1_update = NULL;
+    ptr_zencod_sha1_do_final = NULL;
+    ptr_zencod_xdes_cipher = NULL;
+    ptr_zencod_rc4_cipher = NULL;
+
+    return 0;
 }
 
-
-static int zencod_finish ( ENGINE *e )
+static int zencod_finish(ENGINE *e)
 {
 
-	CHEESE () ;
-
-	/*
-	 * We Should add some tests for non NULL parameters or bad value !!
-	 * Stuff to be done ...
-	 */
-	if ( zencod_dso == NULL ) {
-		ZENCODerr ( ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_NOT_LOADED ) ;
-		return 0 ;
-	}
-	if ( !DSO_free ( zencod_dso ) ) {
-		ZENCODerr ( ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_DSO_FAILURE ) ;
-		return 0 ;
-	}
-
-	zencod_dso = NULL ;
-
-	ptr_zencod_bytes2bits = NULL ;
-	ptr_zencod_bits2bytes = NULL ;
-	ptr_zencod_new_number = NULL ;
-	ptr_zencod_init_number = NULL ;
-	ptr_zencod_rsa_mod_exp = NULL ;
-	ptr_zencod_rsa_mod_exp_crt = NULL ;
-	ptr_zencod_dsa_do_sign = NULL ;
-	ptr_zencod_dsa_do_verify = NULL ;
-	ptr_zencod_dh_generate_key = NULL ;
-	ptr_zencod_dh_compute_key = NULL ;
-	ptr_zencod_rand_bytes = NULL ;
-	ptr_zencod_math_mod_exp = NULL ;
-	ptr_zencod_test = NULL ;
-	ptr_zencod_md5_init = NULL ;
-	ptr_zencod_md5_update = NULL ;
-	ptr_zencod_md5_do_final = NULL ;
-	ptr_zencod_sha1_init = NULL ;
-	ptr_zencod_sha1_update = NULL ;
-	ptr_zencod_sha1_do_final = NULL ;
-	ptr_zencod_xdes_cipher = NULL ;
-	ptr_zencod_rc4_cipher = NULL ;
-
-	return 1 ;
+    CHEESE();
+
+    /*
+     * We Should add some tests for non NULL parameters or bad value !!
+     * Stuff to be done ...
+     */
+    if (zencod_dso == NULL) {
+        ZENCODerr(ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
+    if (!DSO_free(zencod_dso)) {
+        ZENCODerr(ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_DSO_FAILURE);
+        return 0;
+    }
+
+    zencod_dso = NULL;
+
+    ptr_zencod_bytes2bits = NULL;
+    ptr_zencod_bits2bytes = NULL;
+    ptr_zencod_new_number = NULL;
+    ptr_zencod_init_number = NULL;
+    ptr_zencod_rsa_mod_exp = NULL;
+    ptr_zencod_rsa_mod_exp_crt = NULL;
+    ptr_zencod_dsa_do_sign = NULL;
+    ptr_zencod_dsa_do_verify = NULL;
+    ptr_zencod_dh_generate_key = NULL;
+    ptr_zencod_dh_compute_key = NULL;
+    ptr_zencod_rand_bytes = NULL;
+    ptr_zencod_math_mod_exp = NULL;
+    ptr_zencod_test = NULL;
+    ptr_zencod_md5_init = NULL;
+    ptr_zencod_md5_update = NULL;
+    ptr_zencod_md5_do_final = NULL;
+    ptr_zencod_sha1_init = NULL;
+    ptr_zencod_sha1_update = NULL;
+    ptr_zencod_sha1_do_final = NULL;
+    ptr_zencod_xdes_cipher = NULL;
+    ptr_zencod_rc4_cipher = NULL;
+
+    return 1;
 }
 
-
-static int zencod_ctrl ( ENGINE *e, int cmd, long i, void *p, void (*f) () )
+static int zencod_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ())
 {
 
-	int initialised = ( ( zencod_dso == NULL ) ? 0 : 1 ) ;
-
-	CHEESE () ;
-
-	/*
-	 * We Should add some tests for non NULL parameters or bad value !!
-	 * Stuff to be done ...
-	 */
-	switch ( cmd ) {
-	case ZENCOD_CMD_SO_PATH :
-		if ( p == NULL ) {
-			ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ERR_R_PASSED_NULL_PARAMETER ) ;
-			return 0 ;
-		}
-		if ( initialised ) {
-			ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_ALREADY_LOADED ) ;
-			return 0 ;
-		}
-		ZENCOD_LIBNAME = (const char *) p ;
-		return 1 ;
-	default :
-		break ;
-	}
-
-	ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED ) ;
-
-	return 0 ;
+    int initialised = ((zencod_dso == NULL) ? 0 : 1);
+
+    CHEESE();
+
+    /*
+     * We Should add some tests for non NULL parameters or bad value !!
+     * Stuff to be done ...
+     */
+    switch (cmd) {
+    case ZENCOD_CMD_SO_PATH:
+        if (p == NULL) {
+            ZENCODerr(ZENCOD_F_ZENCOD_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+            return 0;
+        }
+        if (initialised) {
+            ZENCODerr(ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_ALREADY_LOADED);
+            return 0;
+        }
+        ZENCOD_LIBNAME = (const char *)p;
+        return 1;
+    default:
+        break;
+    }
+
+    ZENCODerr(ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+
+    return 0;
 }
 
-
-/* BIGNUM stuff Functions
+/*
+ * BIGNUM stuff Functions
  */
-static int zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx )
+static int zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                             const BIGNUM *m, BN_CTX *ctx)
 {
-	zen_nb_t y, x, e, n;
-	int ret;
+    zen_nb_t y, x, e, n;
+    int ret;
 
-	CHEESE () ;
+    CHEESE();
 
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
 
-	if ( !bn_wexpand(r, m->top + 1) ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL);
-		return 0;
-	}
+    if (!bn_wexpand(r, m->top + 1)) {
+        ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL);
+        return 0;
+    }
 
-	memset(r->d, 0, BN_num_bytes(m));
+    memset(r->d, 0, BN_num_bytes(m));
 
-	ptr_zencod_init_number ( &y, (r->dmax - 1) * sizeof (BN_ULONG) * 8, (unsigned char *) r->d ) ;
-	BIGNUM2ZEN ( &x, a ) ;
-	BIGNUM2ZEN ( &e, p ) ;
-	BIGNUM2ZEN ( &n, m ) ;
+    ptr_zencod_init_number(&y, (r->dmax - 1) * sizeof(BN_ULONG) * 8,
+                           (unsigned char *)r->d);
+    BIGNUM2ZEN(&x, a);
+    BIGNUM2ZEN(&e, p);
+    BIGNUM2ZEN(&n, m);
 
-	/* Must invert x and e parameter due to BN mod exp prototype ... */
-	ret = ptr_zencod_math_mod_exp ( &y, &e, &x, &n ) ;
+    /* Must invert x and e parameter due to BN mod exp prototype ... */
+    ret = ptr_zencod_math_mod_exp(&y, &e, &x, &n);
 
-	if ( ret )  {
-		PERROR("zenbridge_math_mod_exp");
-		ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_REQUEST_FAILED);
-		return 0;
-	}
+    if (ret) {
+        PERROR("zenbridge_math_mod_exp");
+        ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_REQUEST_FAILED);
+        return 0;
+    }
 
-	r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
+    r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
 
-	return 1;
+    return 1;
 }
 
-
-/* RSA stuff Functions
+/*
+ * RSA stuff Functions
  */
-#ifndef OPENSSL_NO_RSA
-static int RSA_zencod_rsa_mod_exp ( BIGNUM *r0, const BIGNUM *i, RSA *rsa )
+#  ifndef OPENSSL_NO_RSA
+static int RSA_zencod_rsa_mod_exp(BIGNUM *r0, const BIGNUM *i, RSA *rsa)
 {
 
-	CHEESE () ;
-
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
-
-	if ( !rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_BAD_KEY_COMPONENTS);
-		return 0;
-	}
-
-	/* Do in software if argument is too large for hardware */
-	if ( RSA_size(rsa) * 8 > ZENBRIDGE_MAX_KEYSIZE_RSA_CRT ) {
-		const RSA_METHOD *meth;
-
-		meth = RSA_PKCS1_SSLeay();
-		return meth->rsa_mod_exp(r0, i, rsa);
-	} else {
-		zen_nb_t y, x, p, q, dmp1, dmq1, iqmp;
-
-		if ( !bn_expand(r0, RSA_size(rsa) * 8) ) {
-			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_BN_EXPAND_FAIL);
-			return 0;
-		}
-		r0->top = (RSA_size(rsa) * 8 + BN_BITS2 - 1) / BN_BITS2;
-
-		BIGNUM2ZEN ( &x, i ) ;
-		BIGNUM2ZEN ( &y, r0 ) ;
-		BIGNUM2ZEN ( &p, rsa->p ) ;
-		BIGNUM2ZEN ( &q, rsa->q ) ;
-		BIGNUM2ZEN ( &dmp1, rsa->dmp1 ) ;
-		BIGNUM2ZEN ( &dmq1, rsa->dmq1 ) ;
-		BIGNUM2ZEN ( &iqmp, rsa->iqmp ) ;
-
-		if ( ptr_zencod_rsa_mod_exp_crt ( &y, &x, &p, &q, &dmp1, &dmq1, &iqmp ) < 0 ) {
-			PERROR("zenbridge_rsa_mod_exp_crt");
-			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_REQUEST_FAILED);
-			return 0;
-		}
-
-		return 1;
-	}
+    CHEESE();
+
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
+
+    if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
+        ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT,
+                  ZENCOD_R_BAD_KEY_COMPONENTS);
+        return 0;
+    }
+
+    /* Do in software if argument is too large for hardware */
+    if (RSA_size(rsa) * 8 > ZENBRIDGE_MAX_KEYSIZE_RSA_CRT) {
+        const RSA_METHOD *meth;
+
+        meth = RSA_PKCS1_SSLeay();
+        return meth->rsa_mod_exp(r0, i, rsa);
+    } else {
+        zen_nb_t y, x, p, q, dmp1, dmq1, iqmp;
+
+        if (!bn_expand(r0, RSA_size(rsa) * 8)) {
+            ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT,
+                      ZENCOD_R_BN_EXPAND_FAIL);
+            return 0;
+        }
+        r0->top = (RSA_size(rsa) * 8 + BN_BITS2 - 1) / BN_BITS2;
+
+        BIGNUM2ZEN(&x, i);
+        BIGNUM2ZEN(&y, r0);
+        BIGNUM2ZEN(&p, rsa->p);
+        BIGNUM2ZEN(&q, rsa->q);
+        BIGNUM2ZEN(&dmp1, rsa->dmp1);
+        BIGNUM2ZEN(&dmq1, rsa->dmq1);
+        BIGNUM2ZEN(&iqmp, rsa->iqmp);
+
+        if (ptr_zencod_rsa_mod_exp_crt(&y, &x, &p, &q, &dmp1, &dmq1, &iqmp) <
+            0) {
+            PERROR("zenbridge_rsa_mod_exp_crt");
+            ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT,
+                      ZENCOD_R_REQUEST_FAILED);
+            return 0;
+        }
+
+        return 1;
+    }
 }
 
-
-/* This function is aliased to RSA_mod_exp (with the mont stuff dropped).
+/*
+ * This function is aliased to RSA_mod_exp (with the mont stuff dropped).
  */
-static int RSA_zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx )
+static int RSA_zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                                 const BIGNUM *m, BN_CTX *ctx,
+                                 BN_MONT_CTX *m_ctx)
 {
 
-	CHEESE () ;
-
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
-
-	/* Do in software if argument is too large for hardware */
-	if ( BN_num_bits(m) > ZENBRIDGE_MAX_KEYSIZE_RSA ) {
-		const RSA_METHOD *meth;
-
-		meth = RSA_PKCS1_SSLeay();
-		return meth->bn_mod_exp(r, a, p, m, ctx, m_ctx);
-	} else {
-		zen_nb_t y, x, e, n;
-
-		if ( !bn_expand(r, BN_num_bits(m)) ) {
-			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL);
-			return 0;
-		}
-		r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
-
-		BIGNUM2ZEN ( &x, a ) ;
-		BIGNUM2ZEN ( &y, r ) ;
-		BIGNUM2ZEN ( &e, p ) ;
-		BIGNUM2ZEN ( &n, m ) ;
-
-		if ( ptr_zencod_rsa_mod_exp ( &y, &x, &n, &e ) < 0 ) {
-			PERROR("zenbridge_rsa_mod_exp");
-			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_REQUEST_FAILED);
-			return 0;
-		}
-
-		return 1;
-	}
+    CHEESE();
+
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
+
+    /* Do in software if argument is too large for hardware */
+    if (BN_num_bits(m) > ZENBRIDGE_MAX_KEYSIZE_RSA) {
+        const RSA_METHOD *meth;
+
+        meth = RSA_PKCS1_SSLeay();
+        return meth->bn_mod_exp(r, a, p, m, ctx, m_ctx);
+    } else {
+        zen_nb_t y, x, e, n;
+
+        if (!bn_expand(r, BN_num_bits(m))) {
+            ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL);
+            return 0;
+        }
+        r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
+
+        BIGNUM2ZEN(&x, a);
+        BIGNUM2ZEN(&y, r);
+        BIGNUM2ZEN(&e, p);
+        BIGNUM2ZEN(&n, m);
+
+        if (ptr_zencod_rsa_mod_exp(&y, &x, &n, &e) < 0) {
+            PERROR("zenbridge_rsa_mod_exp");
+            ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_REQUEST_FAILED);
+            return 0;
+        }
+
+        return 1;
+    }
 }
-#endif /* !OPENSSL_NO_RSA */
-
+#  endif                        /* !OPENSSL_NO_RSA */
 
-#ifndef OPENSSL_NO_DSA
-/* DSA stuff Functions
+#  ifndef OPENSSL_NO_DSA
+/*
+ * DSA stuff Functions
  */
-static DSA_SIG *DSA_zencod_do_sign ( const unsigned char *dgst, int dlen, DSA *dsa )
+static DSA_SIG *DSA_zencod_do_sign(const unsigned char *dgst, int dlen,
+                                   DSA *dsa)
 {
-	zen_nb_t p, q, g, x, y, r, s, data;
-	DSA_SIG *sig;
-	BIGNUM *bn_r = NULL;
-	BIGNUM *bn_s = NULL;
-	char msg[20];
-
-	CHEESE();
-
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_NOT_LOADED);
-		goto FAILED;
-	}
-
-	if ( dlen > 160 ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
-		goto FAILED;
-	}
-
-	/* Do in software if argument is too large for hardware */
-	if ( BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ||
-		BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ) {
-		const DSA_METHOD *meth;
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
-		meth = DSA_OpenSSL();
-		return meth->dsa_do_sign(dgst, dlen, dsa);
-	}
-
-	if ( !(bn_s = BN_new()) || !(bn_r = BN_new()) ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
-		goto FAILED;
-	}
-
-	if ( !bn_expand(bn_r, 160) || !bn_expand(bn_s, 160) ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BN_EXPAND_FAIL);
-		goto FAILED;
-	}
-
-	bn_r->top = bn_s->top = (160 + BN_BITS2 - 1) / BN_BITS2;
-	BIGNUM2ZEN ( &p, dsa->p ) ;
-	BIGNUM2ZEN ( &q, dsa->q ) ;
-	BIGNUM2ZEN ( &g, dsa->g ) ;
-	BIGNUM2ZEN ( &x, dsa->priv_key ) ;
-	BIGNUM2ZEN ( &y, dsa->pub_key ) ;
-	BIGNUM2ZEN ( &r, bn_r ) ;
-	BIGNUM2ZEN ( &s, bn_s ) ;
-	q.len = x.len = 160;
-
-	ypcmem(msg, dgst, 20);
-	ptr_zencod_init_number ( &data, 160, msg ) ;
-
-	if ( ptr_zencod_dsa_do_sign ( 0, &data, &y, &p, &q, &g, &x, &r, &s ) < 0 ) {
-		PERROR("zenbridge_dsa_do_sign");
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
-		goto FAILED;
-	}
-
-	if ( !( sig = DSA_SIG_new () ) ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
-		goto FAILED;
-	}
-	sig->r = bn_r;
-	sig->s = bn_s;
-	return sig;
+    zen_nb_t p, q, g, x, y, r, s, data;
+    DSA_SIG *sig;
+    BIGNUM *bn_r = NULL;
+    BIGNUM *bn_s = NULL;
+    char msg[20];
+
+    CHEESE();
+
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_NOT_LOADED);
+        goto FAILED;
+    }
+
+    if (dlen > 160) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+        goto FAILED;
+    }
+
+    /* Do in software if argument is too large for hardware */
+    if (BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ||
+        BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN) {
+        const DSA_METHOD *meth;
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
+        meth = DSA_OpenSSL();
+        return meth->dsa_do_sign(dgst, dlen, dsa);
+    }
+
+    if (!(bn_s = BN_new()) || !(bn_r = BN_new())) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
+        goto FAILED;
+    }
+
+    if (!bn_expand(bn_r, 160) || !bn_expand(bn_s, 160)) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BN_EXPAND_FAIL);
+        goto FAILED;
+    }
+
+    bn_r->top = bn_s->top = (160 + BN_BITS2 - 1) / BN_BITS2;
+    BIGNUM2ZEN(&p, dsa->p);
+    BIGNUM2ZEN(&q, dsa->q);
+    BIGNUM2ZEN(&g, dsa->g);
+    BIGNUM2ZEN(&x, dsa->priv_key);
+    BIGNUM2ZEN(&y, dsa->pub_key);
+    BIGNUM2ZEN(&r, bn_r);
+    BIGNUM2ZEN(&s, bn_s);
+    q.len = x.len = 160;
+
+    ypcmem(msg, dgst, 20);
+    ptr_zencod_init_number(&data, 160, msg);
+
+    if (ptr_zencod_dsa_do_sign(0, &data, &y, &p, &q, &g, &x, &r, &s) < 0) {
+        PERROR("zenbridge_dsa_do_sign");
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+        goto FAILED;
+    }
+
+    if (!(sig = DSA_SIG_new())) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+        goto FAILED;
+    }
+    sig->r = bn_r;
+    sig->s = bn_s;
+    return sig;
 
  FAILED:
-	if (bn_r)
-		BN_free(bn_r);
-	if (bn_s)
-		BN_free(bn_s);
-	return NULL;
+    if (bn_r)
+        BN_free(bn_r);
+    if (bn_s)
+        BN_free(bn_s);
+    return NULL;
 }
 
-
-static int DSA_zencod_do_verify ( const unsigned char *dgst, int dlen, DSA_SIG *sig, DSA *dsa )
+static int DSA_zencod_do_verify(const unsigned char *dgst, int dlen,
+                                DSA_SIG *sig, DSA *dsa)
 {
-	zen_nb_t data, p, q, g, y, r, s, v;
-	char msg[20];
-	char v_data[20];
-	int ret;
-
-	CHEESE();
-
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
-
-	if ( dlen > 160 ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
-		return 0;
-	}
-
-	/* Do in software if argument is too large for hardware */
-	if ( BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ||
-		BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ) {
-		const DSA_METHOD *meth;
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
-		meth = DSA_OpenSSL();
-		return meth->dsa_do_verify(dgst, dlen, sig, dsa);
-	}
-
-	BIGNUM2ZEN ( &p, dsa->p ) ;
-	BIGNUM2ZEN ( &q, dsa->q ) ;
-	BIGNUM2ZEN ( &g, dsa->g ) ;
-	BIGNUM2ZEN ( &y, dsa->pub_key ) ;
-	BIGNUM2ZEN ( &r, sig->r ) ;
-	BIGNUM2ZEN ( &s, sig->s ) ;
-	ptr_zencod_init_number ( &v, 160, v_data ) ;
-	ypcmem(msg, dgst, 20);
-	ptr_zencod_init_number ( &data, 160, msg ) ;
-
-	if ( ( ret = ptr_zencod_dsa_do_verify ( 0, &data, &p, &q, &g, &y, &r, &s, &v ) ) < 0 ) {
-		PERROR("zenbridge_dsa_do_verify");
-		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_REQUEST_FAILED);
-		return 0;
-	}
-
-	return ( ( ret == 0 ) ? 1 : ret ) ;
+    zen_nb_t data, p, q, g, y, r, s, v;
+    char msg[20];
+    char v_data[20];
+    int ret;
+
+    CHEESE();
+
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
+
+    if (dlen > 160) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+        return 0;
+    }
+
+    /* Do in software if argument is too large for hardware */
+    if (BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ||
+        BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN) {
+        const DSA_METHOD *meth;
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
+        meth = DSA_OpenSSL();
+        return meth->dsa_do_verify(dgst, dlen, sig, dsa);
+    }
+
+    BIGNUM2ZEN(&p, dsa->p);
+    BIGNUM2ZEN(&q, dsa->q);
+    BIGNUM2ZEN(&g, dsa->g);
+    BIGNUM2ZEN(&y, dsa->pub_key);
+    BIGNUM2ZEN(&r, sig->r);
+    BIGNUM2ZEN(&s, sig->s);
+    ptr_zencod_init_number(&v, 160, v_data);
+    ypcmem(msg, dgst, 20);
+    ptr_zencod_init_number(&data, 160, msg);
+
+    if ((ret =
+         ptr_zencod_dsa_do_verify(0, &data, &p, &q, &g, &y, &r, &s,
+                                  &v)) < 0) {
+        PERROR("zenbridge_dsa_do_verify");
+        ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_REQUEST_FAILED);
+        return 0;
+    }
+
+    return ((ret == 0) ? 1 : ret);
 }
 
-
-static int DSA_zencod_bn_mod_exp ( DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
-			     BN_CTX *ctx, BN_MONT_CTX *m_ctx )
+static int DSA_zencod_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a,
+                                 const BIGNUM *p, const BIGNUM *m,
+                                 BN_CTX *ctx, BN_MONT_CTX *m_ctx)
 {
-	CHEESE () ;
+    CHEESE();
 
-	return zencod_bn_mod_exp ( r, a, p, m, ctx ) ;
+    return zencod_bn_mod_exp(r, a, p, m, ctx);
 }
-#endif /* !OPENSSL_NO_DSA */
+#  endif                        /* !OPENSSL_NO_DSA */
 
-
-#ifndef OPENSSl_NO_DH
-/* DH stuff Functions
+#  ifndef OPENSSl_NO_DH
+/*
+ * DH stuff Functions
  */
-static int DH_zencod_generate_key ( DH *dh )
+static int DH_zencod_generate_key(DH *dh)
 {
-	BIGNUM *bn_prv = NULL;
-	BIGNUM *bn_pub = NULL;
-	zen_nb_t y, x, g, p;
-	int generate_x;
-
-	CHEESE();
-
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
-
-	/* Private key */
-	if ( dh->priv_key ) {
-		bn_prv = dh->priv_key;
-		generate_x = 0;
-	} else {
-		if (!(bn_prv = BN_new())) {
-			ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
-			goto FAILED;
-		}
-		generate_x = 1;
-	}
-
-	/* Public key */
-	if ( dh->pub_key )
-		bn_pub = dh->pub_key;
-	else
-		if ( !( bn_pub = BN_new () ) ) {
-			ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
-			goto FAILED;
-		}
-
-	/* Expand */
-	if ( !bn_wexpand ( bn_prv, dh->p->dmax ) ||
-	    !bn_wexpand ( bn_pub, dh->p->dmax ) ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
-		goto FAILED;
-	}
-	bn_prv->top = dh->p->top;
-	bn_pub->top = dh->p->top;
-
-	/* Convert all keys */
-	BIGNUM2ZEN ( &p, dh->p ) ;
-	BIGNUM2ZEN ( &g, dh->g ) ;
-	BIGNUM2ZEN ( &y, bn_pub ) ;
-	BIGNUM2ZEN ( &x, bn_prv ) ;
-	x.len = DH_size(dh) * 8;
-
-	/* Adjust the lengths of P and G */
-	p.len = ptr_zencod_bytes2bits ( p.data, ZEN_BYTES ( p.len ) ) ;
-	g.len = ptr_zencod_bytes2bits ( g.data, ZEN_BYTES ( g.len ) ) ;
-
-	/* Send the request to the driver */
-	if ( ptr_zencod_dh_generate_key ( &y, &x, &g, &p, generate_x ) < 0 ) {
-		perror("zenbridge_dh_generate_key");
-		ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_REQUEST_FAILED);
-		goto FAILED;
-	}
-
-	dh->priv_key = bn_prv;
-	dh->pub_key  = bn_pub;
-
-	return 1;
+    BIGNUM *bn_prv = NULL;
+    BIGNUM *bn_pub = NULL;
+    zen_nb_t y, x, g, p;
+    int generate_x;
+
+    CHEESE();
+
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
+
+    /* Private key */
+    if (dh->priv_key) {
+        bn_prv = dh->priv_key;
+        generate_x = 0;
+    } else {
+        if (!(bn_prv = BN_new())) {
+            ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
+            goto FAILED;
+        }
+        generate_x = 1;
+    }
+
+    /* Public key */
+    if (dh->pub_key)
+        bn_pub = dh->pub_key;
+    else if (!(bn_pub = BN_new())) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
+        goto FAILED;
+    }
+
+    /* Expand */
+    if (!bn_wexpand(bn_prv, dh->p->dmax) || !bn_wexpand(bn_pub, dh->p->dmax)) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
+        goto FAILED;
+    }
+    bn_prv->top = dh->p->top;
+    bn_pub->top = dh->p->top;
+
+    /* Convert all keys */
+    BIGNUM2ZEN(&p, dh->p);
+    BIGNUM2ZEN(&g, dh->g);
+    BIGNUM2ZEN(&y, bn_pub);
+    BIGNUM2ZEN(&x, bn_prv);
+    x.len = DH_size(dh) * 8;
+
+    /* Adjust the lengths of P and G */
+    p.len = ptr_zencod_bytes2bits(p.data, ZEN_BYTES(p.len));
+    g.len = ptr_zencod_bytes2bits(g.data, ZEN_BYTES(g.len));
+
+    /* Send the request to the driver */
+    if (ptr_zencod_dh_generate_key(&y, &x, &g, &p, generate_x) < 0) {
+        perror("zenbridge_dh_generate_key");
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_REQUEST_FAILED);
+        goto FAILED;
+    }
+
+    dh->priv_key = bn_prv;
+    dh->pub_key = bn_pub;
+
+    return 1;
 
  FAILED:
-	if (!dh->priv_key && bn_prv)
-		BN_free(bn_prv);
-	if (!dh->pub_key && bn_pub)
-		BN_free(bn_pub);
+    if (!dh->priv_key && bn_prv)
+        BN_free(bn_prv);
+    if (!dh->pub_key && bn_pub)
+        BN_free(bn_pub);
 
-	return 0;
+    return 0;
 }
 
-
-static int DH_zencod_compute_key ( unsigned char *key, const BIGNUM *pub_key, DH *dh )
+static int DH_zencod_compute_key(unsigned char *key, const BIGNUM *pub_key,
+                                 DH *dh)
 {
-	zen_nb_t y, x, p, k;
-
-	CHEESE();
-
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
-
-	if ( !dh->priv_key ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_BAD_KEY_COMPONENTS);
-		return 0;
-	}
-
-	/* Convert all keys */
-	BIGNUM2ZEN ( &y, pub_key ) ;
-	BIGNUM2ZEN ( &x, dh->priv_key ) ;
-	BIGNUM2ZEN ( &p, dh->p ) ;
-	ptr_zencod_init_number ( &k, p.len, key ) ;
-
-	/* Adjust the lengths */
-	p.len = ptr_zencod_bytes2bits ( p.data, ZEN_BYTES ( p.len ) ) ;
-	y.len = ptr_zencod_bytes2bits ( y.data, ZEN_BYTES ( y.len ) ) ;
-	x.len = ptr_zencod_bytes2bits ( x.data, ZEN_BYTES ( x.len ) ) ;
-
-	/* Call the hardware */
-	if ( ptr_zencod_dh_compute_key ( &k, &y, &x, &p ) < 0 ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_REQUEST_FAILED);
-		return 0;
-	}
-
-	/* The key must be written MSB -> LSB */
-	k.len = ptr_zencod_bytes2bits ( k.data, ZEN_BYTES ( k.len ) ) ;
-	esrever ( key, ZEN_BYTES ( k.len ) ) ;
-
-	return ZEN_BYTES ( k.len ) ;
+    zen_nb_t y, x, p, k;
+
+    CHEESE();
+
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
+
+    if (!dh->priv_key) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_BAD_KEY_COMPONENTS);
+        return 0;
+    }
+
+    /* Convert all keys */
+    BIGNUM2ZEN(&y, pub_key);
+    BIGNUM2ZEN(&x, dh->priv_key);
+    BIGNUM2ZEN(&p, dh->p);
+    ptr_zencod_init_number(&k, p.len, key);
+
+    /* Adjust the lengths */
+    p.len = ptr_zencod_bytes2bits(p.data, ZEN_BYTES(p.len));
+    y.len = ptr_zencod_bytes2bits(y.data, ZEN_BYTES(y.len));
+    x.len = ptr_zencod_bytes2bits(x.data, ZEN_BYTES(x.len));
+
+    /* Call the hardware */
+    if (ptr_zencod_dh_compute_key(&k, &y, &x, &p) < 0) {
+        ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_REQUEST_FAILED);
+        return 0;
+    }
+
+    /* The key must be written MSB -> LSB */
+    k.len = ptr_zencod_bytes2bits(k.data, ZEN_BYTES(k.len));
+    esrever(key, ZEN_BYTES(k.len));
+
+    return ZEN_BYTES(k.len);
 }
 
-
-static int DH_zencod_bn_mod_exp ( const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx )
+static int DH_zencod_bn_mod_exp(const DH *dh, BIGNUM *r, const BIGNUM *a,
+                                const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                                BN_MONT_CTX *m_ctx)
 {
-	CHEESE () ;
+    CHEESE();
 
-	return zencod_bn_mod_exp ( r, a, p, m, ctx ) ;
+    return zencod_bn_mod_exp(r, a, p, m, ctx);
 }
-#endif	/* !OPENSSL_NO_DH */
-
+#  endif                        /* !OPENSSL_NO_DH */
 
-/* RAND stuff Functions
+/*
+ * RAND stuff Functions
  */
-static void RAND_zencod_seed ( const void *buf, int num )
+static void RAND_zencod_seed(const void *buf, int num)
 {
-	/* Nothing to do cause our crypto accelerator provide a true random generator */
+    /*
+     * Nothing to do cause our crypto accelerator provide a true random
+     * generator
+     */
 }
 
-
-static int RAND_zencod_rand_bytes ( unsigned char *buf, int num )
+static int RAND_zencod_rand_bytes(unsigned char *buf, int num)
 {
-	zen_nb_t r;
+    zen_nb_t r;
 
-	CHEESE();
+    CHEESE();
 
-	if ( !zencod_dso ) {
-		ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_NOT_LOADED);
-		return 0;
-	}
+    if (!zencod_dso) {
+        ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_NOT_LOADED);
+        return 0;
+    }
 
-	ptr_zencod_init_number ( &r, num * 8, buf ) ;
+    ptr_zencod_init_number(&r, num * 8, buf);
 
-	if ( ptr_zencod_rand_bytes ( &r, ZENBRIDGE_RNG_DIRECT ) < 0 ) {
-		PERROR("zenbridge_rand_bytes");
-		ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_REQUEST_FAILED);
-		return 0;
-	}
+    if (ptr_zencod_rand_bytes(&r, ZENBRIDGE_RNG_DIRECT) < 0) {
+        PERROR("zenbridge_rand_bytes");
+        ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_REQUEST_FAILED);
+        return 0;
+    }
 
-	return 1;
+    return 1;
 }
 
-
-static int RAND_zencod_rand_status ( void )
+static int RAND_zencod_rand_status(void)
 {
-	CHEESE () ;
+    CHEESE();
 
-	return 1;
+    return 1;
 }
 
-
-/* This stuff is needed if this ENGINE is being compiled into a self-contained
- * shared-library.
+/*
+ * This stuff is needed if this ENGINE is being compiled into a
+ * self-contained shared-library.
  */
-#ifdef ENGINE_DYNAMIC_SUPPORT
-static int bind_fn ( ENGINE *e, const char *id )
+#  ifdef ENGINE_DYNAMIC_SUPPORT
+static int bind_fn(ENGINE *e, const char *id)
 {
 
-	if ( id && ( strcmp ( id, engine_zencod_id ) != 0 ) ) {
-		return 0 ;
-	}
-	if ( !bind_helper ( e ) )  {
-		return 0 ;
-	}
+    if (id && (strcmp(id, engine_zencod_id) != 0)) {
+        return 0;
+    }
+    if (!bind_helper(e)) {
+        return 0;
+    }
 
-	return 1 ;
+    return 1;
 }
 
-IMPLEMENT_DYNAMIC_CHECK_FN ()
-IMPLEMENT_DYNAMIC_BIND_FN ( bind_fn )
-#endif /* ENGINE_DYNAMIC_SUPPORT */
-
-
-
-
-/*
- * Adding "Digest" and "Cipher" tools ...
- * This is in development ... ;-)
- * In orfer to code this, i refer to hw_openbsd_dev_crypto and openssl engine made by Geoff Thorpe (if i'm rigth),
- * and evp, sha md5 definitions etc ...
- */
+IMPLEMENT_DYNAMIC_CHECK_FN()
+    IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+#  endif                        /* ENGINE_DYNAMIC_SUPPORT */
+    /*
+     * Adding "Digest" and "Cipher" tools ...
+     * This is in development ... ;-)
+     * In orfer to code this, i refer to hw_openbsd_dev_crypto and openssl engine made by Geoff Thorpe (if i'm rigth),
+     * and evp, sha md5 definitions etc ...
+     */
 /* First add some include ... */
-#include <openssl/evp.h>
-#include <openssl/sha.h>
-#include <openssl/md5.h>
-#include <openssl/rc4.h>
-#include <openssl/des.h>
-
-
+#  include <openssl/evp.h>
+#  include <openssl/sha.h>
+#  include <openssl/md5.h>
+#  include <openssl/rc4.h>
+#  include <openssl/des.h>
 /* Some variables declaration ... */
-/* DONS:
- * Disable symetric computation except DES and 3DES, but let part of the code
- */
+    /*
+     * DONS: Disable symetric computation except DES and 3DES, but let part
+     * of the code
+     */
 /* static int engine_digest_nids [ ] = { NID_sha1, NID_md5 } ; */
-static int engine_digest_nids [ ] = {  } ;
-static int engine_digest_nids_num = 0 ;
-/* static int engine_cipher_nids [ ] = { NID_rc4, NID_rc4_40, NID_des_cbc, NID_des_ede3_cbc } ; */
-static int engine_cipher_nids [ ] = { NID_des_cbc, NID_des_ede3_cbc } ;
-static int engine_cipher_nids_num = 2 ;
+static int engine_digest_nids[] = { };
 
+static int engine_digest_nids_num = 0;
+/*
+ * static int engine_cipher_nids [ ] = { NID_rc4, NID_rc4_40, NID_des_cbc,
+ * NID_des_ede3_cbc } ;
+ */
+static int engine_cipher_nids[] = { NID_des_cbc, NID_des_ede3_cbc };
+
+static int engine_cipher_nids_num = 2;
 
 /* Function prototype ... */
 /*  SHA stuff */
-static int engine_sha1_init ( EVP_MD_CTX *ctx ) ;
-static int engine_sha1_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) ;
-static int engine_sha1_final ( EVP_MD_CTX *ctx, unsigned char *md ) ;
+static int engine_sha1_init(EVP_MD_CTX *ctx);
+static int engine_sha1_update(EVP_MD_CTX *ctx, const void *data,
+                              unsigned long count);
+static int engine_sha1_final(EVP_MD_CTX *ctx, unsigned char *md);
 
 /*  MD5 stuff */
-static int engine_md5_init ( EVP_MD_CTX *ctx ) ;
-static int engine_md5_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) ;
-static int engine_md5_final ( EVP_MD_CTX *ctx, unsigned char *md ) ;
-
-static int engine_md_cleanup ( EVP_MD_CTX *ctx ) ;
-static int engine_md_copy ( EVP_MD_CTX *to, const EVP_MD_CTX *from ) ;
+static int engine_md5_init(EVP_MD_CTX *ctx);
+static int engine_md5_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count);
+static int engine_md5_final(EVP_MD_CTX *ctx, unsigned char *md);
 
+static int engine_md_cleanup(EVP_MD_CTX *ctx);
+static int engine_md_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from);
 
 /* RC4 Stuff */
-static int engine_rc4_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ;
-static int engine_rc4_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) ;
+static int engine_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                               const unsigned char *iv, int enc);
+static int engine_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                             const unsigned char *in, unsigned int inl);
 
 /* DES Stuff */
-static int engine_des_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ;
-static int engine_des_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) ;
+static int engine_des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                               const unsigned char *iv, int enc);
+static int engine_des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                                 const unsigned char *in, unsigned int inl);
 
 /*  3DES Stuff */
-static int engine_des_ede3_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ;
-static int engine_des_ede3_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out,const unsigned char *in, unsigned int inl ) ;
-
-static int engine_cipher_cleanup ( EVP_CIPHER_CTX *ctx ) ;	/* cleanup ctx */
+static int engine_des_ede3_init_key(EVP_CIPHER_CTX *ctx,
+                                    const unsigned char *key,
+                                    const unsigned char *iv, int enc);
+static int engine_des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                                      const unsigned char *in,
+                                      unsigned int inl);
 
+static int engine_cipher_cleanup(EVP_CIPHER_CTX *ctx); /* cleanup ctx */
 
 /* The one for SHA ... */
-static const EVP_MD engine_sha1_md =
-{
-	NID_sha1,
-	NID_sha1WithRSAEncryption,
-	SHA_DIGEST_LENGTH,
-	EVP_MD_FLAG_ONESHOT,
-	/* 0, */			/* EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block
-				* XXX: set according to device info ... */
-	engine_sha1_init,
-	engine_sha1_update,
-	engine_sha1_final,
-	engine_md_copy,		/* dev_crypto_sha_copy */
-	engine_md_cleanup,		/* dev_crypto_sha_cleanup */
-	EVP_PKEY_RSA_method,
-	SHA_CBLOCK,
-	/* sizeof ( EVP_MD * ) + sizeof ( SHA_CTX ) */
-	sizeof ( ZEN_MD_DATA )
-	/* sizeof ( MD_CTX_DATA )	The message digest data structure ... */
-} ;
+static const EVP_MD engine_sha1_md = {
+    NID_sha1,
+    NID_sha1WithRSAEncryption,
+    SHA_DIGEST_LENGTH,
+    EVP_MD_FLAG_ONESHOT,
+    /*
+     * 0,
+     *//*
+     * EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block *
+     * XXX: set according to device info ...
+     */
+    engine_sha1_init,
+    engine_sha1_update,
+    engine_sha1_final,
+    engine_md_copy,             /* dev_crypto_sha_copy */
+    engine_md_cleanup,          /* dev_crypto_sha_cleanup */
+    EVP_PKEY_RSA_method,
+    SHA_CBLOCK,
+    /* sizeof ( EVP_MD * ) + sizeof ( SHA_CTX ) */
+    sizeof(ZEN_MD_DATA)
+        /*
+         * sizeof ( MD_CTX_DATA ) The message digest data structure ...
+         */
+};
 
 /* The one for MD5 ... */
-static const EVP_MD engine_md5_md =
-{
-	NID_md5,
-	NID_md5WithRSAEncryption,
-	MD5_DIGEST_LENGTH,
-	EVP_MD_FLAG_ONESHOT,
-	/* 0, */			/* EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block
-				* XXX: set according to device info ... */
-	engine_md5_init,
-	engine_md5_update,
-	engine_md5_final,
-	engine_md_copy,		/* dev_crypto_md5_copy */
-	engine_md_cleanup,		/* dev_crypto_md5_cleanup */
-	EVP_PKEY_RSA_method,
-	MD5_CBLOCK,
-	/* sizeof ( EVP_MD * ) + sizeof ( MD5_CTX ) */
-	sizeof ( ZEN_MD_DATA )
-	/* sizeof ( MD_CTX_DATA )	The message digest data structure ... */
-} ;
-
+static const EVP_MD engine_md5_md = {
+    NID_md5,
+    NID_md5WithRSAEncryption,
+    MD5_DIGEST_LENGTH,
+    EVP_MD_FLAG_ONESHOT,
+    /*
+     * 0,
+     *//*
+     * EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block *
+     * XXX: set according to device info ...
+     */
+    engine_md5_init,
+    engine_md5_update,
+    engine_md5_final,
+    engine_md_copy,             /* dev_crypto_md5_copy */
+    engine_md_cleanup,          /* dev_crypto_md5_cleanup */
+    EVP_PKEY_RSA_method,
+    MD5_CBLOCK,
+    /* sizeof ( EVP_MD * ) + sizeof ( MD5_CTX ) */
+    sizeof(ZEN_MD_DATA)
+        /*
+         * sizeof ( MD_CTX_DATA ) The message digest data structure ...
+         */
+};
 
 /* The one for RC4 ... */
-#define EVP_RC4_KEY_SIZE			16
+#  define EVP_RC4_KEY_SIZE                        16
 
 /* Try something static ... */
-typedef struct
-{
-	unsigned int len ;
-	unsigned int first ;
-	unsigned char rc4_state [ 260 ] ;
-} NEW_ZEN_RC4_KEY ;
-
-#define rc4_data(ctx)				( (EVP_RC4_KEY *) ( ctx )->cipher_data )
-
-static const EVP_CIPHER engine_rc4 =
-{
-	NID_rc4,
-	1,
-	16,				/* EVP_RC4_KEY_SIZE should be 128 bits */
-	0,				/* FIXME: key should be up to 256 bytes */
-	EVP_CIPH_VARIABLE_LENGTH,
-	engine_rc4_init_key,
-	engine_rc4_cipher,
-	engine_cipher_cleanup,
-	sizeof ( NEW_ZEN_RC4_KEY ),
-	NULL,
-	NULL,
-	NULL
-} ;
+typedef struct {
+    unsigned int len;
+    unsigned int first;
+    unsigned char rc4_state[260];
+} NEW_ZEN_RC4_KEY;
+
+#  define rc4_data(ctx)                           ( (EVP_RC4_KEY *) ( ctx )->cipher_data )
+
+static const EVP_CIPHER engine_rc4 = {
+    NID_rc4,
+    1,
+    16,                         /* EVP_RC4_KEY_SIZE should be 128 bits */
+    0,                          /* FIXME: key should be up to 256 bytes */
+    EVP_CIPH_VARIABLE_LENGTH,
+    engine_rc4_init_key,
+    engine_rc4_cipher,
+    engine_cipher_cleanup,
+    sizeof(NEW_ZEN_RC4_KEY),
+    NULL,
+    NULL,
+    NULL
+};
 
 /* The one for RC4_40 ... */
-static const EVP_CIPHER engine_rc4_40 =
-{
-	NID_rc4_40,
-	1,
-	5,				/* 40 bits */
-	0,
-	EVP_CIPH_VARIABLE_LENGTH,
-	engine_rc4_init_key,
-	engine_rc4_cipher,
-	engine_cipher_cleanup,
-	sizeof ( NEW_ZEN_RC4_KEY ),
-	NULL,
-	NULL,
-	NULL
-} ;
+static const EVP_CIPHER engine_rc4_40 = {
+    NID_rc4_40,
+    1,
+    5,                          /* 40 bits */
+    0,
+    EVP_CIPH_VARIABLE_LENGTH,
+    engine_rc4_init_key,
+    engine_rc4_cipher,
+    engine_cipher_cleanup,
+    sizeof(NEW_ZEN_RC4_KEY),
+    NULL,
+    NULL,
+    NULL
+};
 
 /* The one for DES ... */
 
 /* Try something static ... */
-typedef struct
-{
-	unsigned char des_key [ 24 ] ;
-	unsigned char des_iv [ 8 ] ;
-} ZEN_DES_KEY ;
-
-static const EVP_CIPHER engine_des_cbc =
-	{
-	NID_des_cbc,
-	8, 8, 8,
-	0 | EVP_CIPH_CBC_MODE,
-	engine_des_init_key,
-	engine_des_cbc_cipher,
-	engine_cipher_cleanup,
-	sizeof(ZEN_DES_KEY),
-	EVP_CIPHER_set_asn1_iv,
-	EVP_CIPHER_get_asn1_iv,
-	NULL,
-	NULL
-	};
+typedef struct {
+    unsigned char des_key[24];
+    unsigned char des_iv[8];
+} ZEN_DES_KEY;
+
+static const EVP_CIPHER engine_des_cbc = {
+    NID_des_cbc,
+    8, 8, 8,
+    0 | EVP_CIPH_CBC_MODE,
+    engine_des_init_key,
+    engine_des_cbc_cipher,
+    engine_cipher_cleanup,
+    sizeof(ZEN_DES_KEY),
+    EVP_CIPHER_set_asn1_iv,
+    EVP_CIPHER_get_asn1_iv,
+    NULL,
+    NULL
+};
 
 /* The one for 3DES ... */
 
 /* Try something static ... */
-typedef struct
-{
-	unsigned char des3_key [ 24 ] ;
-	unsigned char des3_iv [ 8 ] ;
-} ZEN_3DES_KEY ;
-
-#define des_data(ctx)				 ( (DES_EDE_KEY *) ( ctx )->cipher_data )
-
-static const EVP_CIPHER engine_des_ede3_cbc =
-	{
-	NID_des_ede3_cbc,
-	8, 8, 8,
-	0 | EVP_CIPH_CBC_MODE,
-	engine_des_ede3_init_key,
-	engine_des_ede3_cbc_cipher,
-	engine_cipher_cleanup,
-	sizeof(ZEN_3DES_KEY),
-	EVP_CIPHER_set_asn1_iv,
-	EVP_CIPHER_get_asn1_iv,
-	NULL,
-	NULL
-	};
-
+typedef struct {
+    unsigned char des3_key[24];
+    unsigned char des3_iv[8];
+} ZEN_3DES_KEY;
+
+#  define des_data(ctx)                            ( (DES_EDE_KEY *) ( ctx )->cipher_data )
+
+static const EVP_CIPHER engine_des_ede3_cbc = {
+    NID_des_ede3_cbc,
+    8, 8, 8,
+    0 | EVP_CIPH_CBC_MODE,
+    engine_des_ede3_init_key,
+    engine_des_ede3_cbc_cipher,
+    engine_cipher_cleanup,
+    sizeof(ZEN_3DES_KEY),
+    EVP_CIPHER_set_asn1_iv,
+    EVP_CIPHER_get_asn1_iv,
+    NULL,
+    NULL
+};
 
 /* General function cloned on hw_openbsd_dev_crypto one ... */
-static int engine_digests ( ENGINE *e, const EVP_MD **digest, const int **nids, int nid )
+static int engine_digests(ENGINE *e, const EVP_MD **digest, const int **nids,
+                          int nid)
 {
 
-#ifdef DEBUG_ZENCOD_MD
-	fprintf ( stderr, "\t=>Function : static int engine_digests () called !\n" ) ;
-#endif
-
-	if ( !digest ) {
-		/* We are returning a list of supported nids */
-		*nids = engine_digest_nids ;
-		return engine_digest_nids_num ;
-	}
-	/* We are being asked for a specific digest */
-	if ( nid == NID_md5 ) {
-		*digest = &engine_md5_md ;
-	}
-	else if ( nid == NID_sha1 ) {
-		*digest = &engine_sha1_md ;
-	}
-	else {
-		*digest = NULL ;
-		return 0 ;
-	}
-	return 1 ;
+#  ifdef DEBUG_ZENCOD_MD
+    fprintf(stderr, "\t=>Function : static int engine_digests () called !\n");
+#  endif
+
+    if (!digest) {
+        /* We are returning a list of supported nids */
+        *nids = engine_digest_nids;
+        return engine_digest_nids_num;
+    }
+    /* We are being asked for a specific digest */
+    if (nid == NID_md5) {
+        *digest = &engine_md5_md;
+    } else if (nid == NID_sha1) {
+        *digest = &engine_sha1_md;
+    } else {
+        *digest = NULL;
+        return 0;
+    }
+    return 1;
 }
 
-
-/* SHA stuff Functions
+/*
+ * SHA stuff Functions
  */
-static int engine_sha1_init ( EVP_MD_CTX *ctx )
+static int engine_sha1_init(EVP_MD_CTX *ctx)
 {
 
-	int to_return = 0 ;
+    int to_return = 0;
 
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_sha1_init ( (ZEN_MD_DATA *) ctx->md_data ) ;
-	to_return = !to_return ;
+    /* Test with zenbridge library ... */
+    to_return = ptr_zencod_sha1_init((ZEN_MD_DATA *)ctx->md_data);
+    to_return = !to_return;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_sha1_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count )
+static int engine_sha1_update(EVP_MD_CTX *ctx, const void *data,
+                              unsigned long count)
 {
 
-	zen_nb_t input ;
-	int to_return = 0 ;
+    zen_nb_t input;
+    int to_return = 0;
 
-	/* Convert parameters ... */
-	input.len = count ;
-	input.data = (unsigned char *) data ;
+    /* Convert parameters ... */
+    input.len = count;
+    input.data = (unsigned char *)data;
 
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_sha1_update ( (ZEN_MD_DATA *) ctx->md_data, (const zen_nb_t *) &input ) ;
-	to_return = !to_return ;
+    /* Test with zenbridge library ... */
+    to_return =
+        ptr_zencod_sha1_update((ZEN_MD_DATA *)ctx->md_data,
+                               (const zen_nb_t *)&input);
+    to_return = !to_return;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_sha1_final ( EVP_MD_CTX *ctx, unsigned char *md )
+static int engine_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
 {
 
-	zen_nb_t output ;
-	int to_return = 0 ;
+    zen_nb_t output;
+    int to_return = 0;
 
-	/* Convert parameters ... */
-	output.len = SHA_DIGEST_LENGTH ;
-	output.data = md ;
+    /* Convert parameters ... */
+    output.len = SHA_DIGEST_LENGTH;
+    output.data = md;
 
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_sha1_do_final ( (ZEN_MD_DATA *) ctx->md_data, (zen_nb_t *) &output ) ;
-	to_return = !to_return ;
+    /* Test with zenbridge library ... */
+    to_return =
+        ptr_zencod_sha1_do_final((ZEN_MD_DATA *)ctx->md_data,
+                                 (zen_nb_t *) & output);
+    to_return = !to_return;
 
-	return to_return ;
+    return to_return;
 }
 
-
-
-/* MD5 stuff Functions
+/*
+ * MD5 stuff Functions
  */
-static int engine_md5_init ( EVP_MD_CTX *ctx )
+static int engine_md5_init(EVP_MD_CTX *ctx)
 {
 
-	int to_return = 0 ;
+    int to_return = 0;
 
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_md5_init ( (ZEN_MD_DATA *) ctx->md_data ) ;
-	to_return = !to_return ;
+    /* Test with zenbridge library ... */
+    to_return = ptr_zencod_md5_init((ZEN_MD_DATA *)ctx->md_data);
+    to_return = !to_return;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_md5_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count )
+static int engine_md5_update(EVP_MD_CTX *ctx, const void *data,
+                             unsigned long count)
 {
 
-	zen_nb_t input ;
-	int to_return = 0 ;
+    zen_nb_t input;
+    int to_return = 0;
 
-	/* Convert parameters ... */
-	input.len = count ;
-	input.data = (unsigned char *) data ;
+    /* Convert parameters ... */
+    input.len = count;
+    input.data = (unsigned char *)data;
 
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_md5_update ( (ZEN_MD_DATA *) ctx->md_data, (const zen_nb_t *) &input ) ;
-	to_return = !to_return ;
+    /* Test with zenbridge library ... */
+    to_return =
+        ptr_zencod_md5_update((ZEN_MD_DATA *)ctx->md_data,
+                              (const zen_nb_t *)&input);
+    to_return = !to_return;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_md5_final ( EVP_MD_CTX *ctx, unsigned char *md )
+static int engine_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
 {
 
-	zen_nb_t output ;
-	int to_return = 0 ;
+    zen_nb_t output;
+    int to_return = 0;
 
-	/* Convert parameters ... */
-	output.len = MD5_DIGEST_LENGTH ;
-	output.data = md ;
+    /* Convert parameters ... */
+    output.len = MD5_DIGEST_LENGTH;
+    output.data = md;
 
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_md5_do_final ( (ZEN_MD_DATA *) ctx->md_data, (zen_nb_t *) &output ) ;
-	to_return = !to_return ;
+    /* Test with zenbridge library ... */
+    to_return =
+        ptr_zencod_md5_do_final((ZEN_MD_DATA *)ctx->md_data,
+                                (zen_nb_t *) & output);
+    to_return = !to_return;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_md_cleanup ( EVP_MD_CTX *ctx )
+static int engine_md_cleanup(EVP_MD_CTX *ctx)
 {
 
-	ZEN_MD_DATA *zen_md_data = (ZEN_MD_DATA *) ctx->md_data ;
+    ZEN_MD_DATA *zen_md_data = (ZEN_MD_DATA *)ctx->md_data;
 
-	if ( zen_md_data->HashBuffer != NULL ) {
-		OPENSSL_free ( zen_md_data->HashBuffer ) ;
-		zen_md_data->HashBufferSize = 0 ;
-		ctx->md_data = NULL ;
-	}
+    if (zen_md_data->HashBuffer != NULL) {
+        OPENSSL_free(zen_md_data->HashBuffer);
+        zen_md_data->HashBufferSize = 0;
+        ctx->md_data = NULL;
+    }
 
-	return 1 ;
+    return 1;
 }
 
-
-static int engine_md_copy ( EVP_MD_CTX *to, const EVP_MD_CTX *from )
+static int engine_md_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
 {
-	const ZEN_MD_DATA *from_md = (ZEN_MD_DATA *) from->md_data ;
-	ZEN_MD_DATA *to_md = (ZEN_MD_DATA *) to->md_data ;
+    const ZEN_MD_DATA *from_md = (ZEN_MD_DATA *)from->md_data;
+    ZEN_MD_DATA *to_md = (ZEN_MD_DATA *)to->md_data;
 
-	to_md->HashBuffer = OPENSSL_malloc ( from_md->HashBufferSize ) ;
-	memcpy ( to_md->HashBuffer, from_md->HashBuffer, from_md->HashBufferSize ) ;
+    to_md->HashBuffer = OPENSSL_malloc(from_md->HashBufferSize);
+    memcpy(to_md->HashBuffer, from_md->HashBuffer, from_md->HashBufferSize);
 
-	return 1;
+    return 1;
 }
 
-
 /* General function cloned on hw_openbsd_dev_crypto one ... */
-static int engine_ciphers ( ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid )
+static int engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
+                          const int **nids, int nid)
 {
 
-	if ( !cipher ) {
-		/* We are returning a list of supported nids */
-		*nids = engine_cipher_nids ;
-		return engine_cipher_nids_num ;
-	}
-	/* We are being asked for a specific cipher */
-	if ( nid == NID_rc4 ) {
-		*cipher = &engine_rc4 ;
-	}
-	else if ( nid == NID_rc4_40 ) {
-		*cipher = &engine_rc4_40 ;
-	}
-	else if ( nid == NID_des_cbc ) {
-		*cipher = &engine_des_cbc ;
-	}
-	else if ( nid == NID_des_ede3_cbc ) {
-		*cipher = &engine_des_ede3_cbc ;
-	}
-	else {
-		*cipher = NULL ;
-		return 0 ;
-	}
-
-	return 1 ;
+    if (!cipher) {
+        /* We are returning a list of supported nids */
+        *nids = engine_cipher_nids;
+        return engine_cipher_nids_num;
+    }
+    /* We are being asked for a specific cipher */
+    if (nid == NID_rc4) {
+        *cipher = &engine_rc4;
+    } else if (nid == NID_rc4_40) {
+        *cipher = &engine_rc4_40;
+    } else if (nid == NID_des_cbc) {
+        *cipher = &engine_des_cbc;
+    } else if (nid == NID_des_ede3_cbc) {
+        *cipher = &engine_des_ede3_cbc;
+    } else {
+        *cipher = NULL;
+        return 0;
+    }
+
+    return 1;
 }
 
-
-static int engine_rc4_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc )
+static int engine_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                               const unsigned char *iv, int enc)
 {
-	int to_return = 0 ;
-	int i = 0 ;
-	int nb = 0 ;
-	NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL ;
-
-	tmp_rc4_key = (NEW_ZEN_RC4_KEY *) ( ctx->cipher_data ) ;
-	tmp_rc4_key->first = 0 ;
-	tmp_rc4_key->len = ctx->key_len ;
-	tmp_rc4_key->rc4_state [ 0 ] = 0x00 ;
-	tmp_rc4_key->rc4_state [ 2 ] = 0x00 ;
-	nb = 256 / ctx->key_len ;
-	for ( i = 0; i < nb ; i++ ) {
-		memcpy ( &( tmp_rc4_key->rc4_state [ 4 + i*ctx->key_len ] ), key, ctx->key_len ) ;
-	}
-
-	to_return = 1 ;
-
-	return to_return ;
+    int to_return = 0;
+    int i = 0;
+    int nb = 0;
+    NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL;
+
+    tmp_rc4_key = (NEW_ZEN_RC4_KEY *) (ctx->cipher_data);
+    tmp_rc4_key->first = 0;
+    tmp_rc4_key->len = ctx->key_len;
+    tmp_rc4_key->rc4_state[0] = 0x00;
+    tmp_rc4_key->rc4_state[2] = 0x00;
+    nb = 256 / ctx->key_len;
+    for (i = 0; i < nb; i++) {
+        memcpy(&(tmp_rc4_key->rc4_state[4 + i * ctx->key_len]), key,
+               ctx->key_len);
+    }
+
+    to_return = 1;
+
+    return to_return;
 }
 
-
-static int engine_rc4_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int in_len )
+static int engine_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                             const unsigned char *in, unsigned int in_len)
 {
 
-	zen_nb_t output, input ;
-	zen_nb_t rc4key ;
-	int to_return = 0 ;
-	NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL ;
-
-	/* Convert parameters ... */
-	input.len = in_len ;
-	input.data = (unsigned char *) in ;
-	output.len = in_len ;
-	output.data = (unsigned char *) out ;
-
-	tmp_rc4_key = ( (NEW_ZEN_RC4_KEY *) ( ctx->cipher_data ) ) ;
-	rc4key.len = 260 ;
-	rc4key.data = &( tmp_rc4_key->rc4_state [ 0 ] ) ;
-
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_rc4_cipher ( &output, &input, (const zen_nb_t *) &rc4key, &( tmp_rc4_key->rc4_state [0] ), &( tmp_rc4_key->rc4_state [3] ), !tmp_rc4_key->first ) ;
-	to_return = !to_return ;
-
-	/* Update encryption state ... */
-	tmp_rc4_key->first = 1 ;
-	tmp_rc4_key = NULL ;
-
-	return to_return ;
+    zen_nb_t output, input;
+    zen_nb_t rc4key;
+    int to_return = 0;
+    NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL;
+
+    /* Convert parameters ... */
+    input.len = in_len;
+    input.data = (unsigned char *)in;
+    output.len = in_len;
+    output.data = (unsigned char *)out;
+
+    tmp_rc4_key = ((NEW_ZEN_RC4_KEY *) (ctx->cipher_data));
+    rc4key.len = 260;
+    rc4key.data = &(tmp_rc4_key->rc4_state[0]);
+
+    /* Test with zenbridge library ... */
+    to_return =
+        ptr_zencod_rc4_cipher(&output, &input, (const zen_nb_t *)&rc4key,
+                              &(tmp_rc4_key->rc4_state[0]),
+                              &(tmp_rc4_key->rc4_state[3]),
+                              !tmp_rc4_key->first);
+    to_return = !to_return;
+
+    /* Update encryption state ... */
+    tmp_rc4_key->first = 1;
+    tmp_rc4_key = NULL;
+
+    return to_return;
 }
 
-
-static int engine_des_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc )
+static int engine_des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                               const unsigned char *iv, int enc)
 {
 
-	ZEN_DES_KEY *tmp_des_key = NULL ;
-	int to_return = 0 ;
+    ZEN_DES_KEY *tmp_des_key = NULL;
+    int to_return = 0;
 
-	tmp_des_key = (ZEN_DES_KEY *) ( ctx->cipher_data ) ;
-	memcpy ( &( tmp_des_key->des_key [ 0 ] ), key, 8 ) ;
-	memcpy ( &( tmp_des_key->des_key [ 8 ] ), key, 8 ) ;
-	memcpy ( &( tmp_des_key->des_key [ 16 ] ), key, 8 ) ;
-	memcpy ( &( tmp_des_key->des_iv [ 0 ] ), iv, 8 ) ;
+    tmp_des_key = (ZEN_DES_KEY *) (ctx->cipher_data);
+    memcpy(&(tmp_des_key->des_key[0]), key, 8);
+    memcpy(&(tmp_des_key->des_key[8]), key, 8);
+    memcpy(&(tmp_des_key->des_key[16]), key, 8);
+    memcpy(&(tmp_des_key->des_iv[0]), iv, 8);
 
-	to_return = 1 ;
+    to_return = 1;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_des_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl )
+static int engine_des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                                 const unsigned char *in, unsigned int inl)
 {
 
-	zen_nb_t output, input ;
-	zen_nb_t deskey_1, deskey_2, deskey_3, iv ;
-	int to_return = 0 ;
-
-	/* Convert parameters ... */
-	input.len = inl ;
-	input.data = (unsigned char *) in ;
-	output.len = inl ;
-	output.data = out ;
-
-	/* Set key parameters ... */
-	deskey_1.len = 8 ;
-	deskey_2.len = 8 ;
-	deskey_3.len = 8 ;
-	deskey_1.data = (unsigned char *) ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key ;
-	deskey_2.data =  (unsigned char *) &( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key [ 8 ] ;
-	deskey_3.data =  (unsigned char *) &( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key [ 16 ] ;
-
-	/* Key correct iv ... */
-	memcpy ( ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_iv, ctx->iv, 8 ) ;
-	iv.len = 8 ;
-	iv.data = (unsigned char *) ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_iv ;
-
-	if ( ctx->encrypt == 0 ) {
-		memcpy ( ctx->iv, &( input.data [ input.len - 8 ] ), 8 ) ;
-	}
-
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_xdes_cipher ( &output, &input,
-			(zen_nb_t *) &deskey_1, (zen_nb_t *) &deskey_2, (zen_nb_t *) &deskey_3, &iv, ctx->encrypt ) ;
-	to_return = !to_return ;
-
-	/* But we need to set up the rigth iv ...
-	 * Test ENCRYPT or DECRYPT mode to set iv ... */
-	if ( ctx->encrypt == 1 ) {
-		memcpy ( ctx->iv, &( output.data [ output.len - 8 ] ), 8 ) ;
-	}
-
-	return to_return ;
+    zen_nb_t output, input;
+    zen_nb_t deskey_1, deskey_2, deskey_3, iv;
+    int to_return = 0;
+
+    /* Convert parameters ... */
+    input.len = inl;
+    input.data = (unsigned char *)in;
+    output.len = inl;
+    output.data = out;
+
+    /* Set key parameters ... */
+    deskey_1.len = 8;
+    deskey_2.len = 8;
+    deskey_3.len = 8;
+    deskey_1.data =
+        (unsigned char *)((ZEN_DES_KEY *) (ctx->cipher_data))->des_key;
+    deskey_2.data =
+        (unsigned char *)&((ZEN_DES_KEY *) (ctx->cipher_data))->des_key[8];
+    deskey_3.data =
+        (unsigned char *)&((ZEN_DES_KEY *) (ctx->cipher_data))->des_key[16];
+
+    /* Key correct iv ... */
+    memcpy(((ZEN_DES_KEY *) (ctx->cipher_data))->des_iv, ctx->iv, 8);
+    iv.len = 8;
+    iv.data = (unsigned char *)((ZEN_DES_KEY *) (ctx->cipher_data))->des_iv;
+
+    if (ctx->encrypt == 0) {
+        memcpy(ctx->iv, &(input.data[input.len - 8]), 8);
+    }
+
+    /* Test with zenbridge library ... */
+    to_return = ptr_zencod_xdes_cipher(&output, &input,
+                                       (zen_nb_t *) & deskey_1,
+                                       (zen_nb_t *) & deskey_2,
+                                       (zen_nb_t *) & deskey_3, &iv,
+                                       ctx->encrypt);
+    to_return = !to_return;
+
+    /*
+     * But we need to set up the rigth iv ... Test ENCRYPT or DECRYPT mode to
+     * set iv ...
+     */
+    if (ctx->encrypt == 1) {
+        memcpy(ctx->iv, &(output.data[output.len - 8]), 8);
+    }
+
+    return to_return;
 }
 
-
-static int engine_des_ede3_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc )
+static int engine_des_ede3_init_key(EVP_CIPHER_CTX *ctx,
+                                    const unsigned char *key,
+                                    const unsigned char *iv, int enc)
 {
 
-	ZEN_3DES_KEY *tmp_3des_key = NULL ;
-	int to_return = 0 ;
+    ZEN_3DES_KEY *tmp_3des_key = NULL;
+    int to_return = 0;
 
-	tmp_3des_key = (ZEN_3DES_KEY *) ( ctx->cipher_data ) ;
-	memcpy ( &( tmp_3des_key->des3_key [ 0 ] ), key, 24 ) ;
-	memcpy ( &( tmp_3des_key->des3_iv [ 0 ] ), iv, 8 ) ;
+    tmp_3des_key = (ZEN_3DES_KEY *) (ctx->cipher_data);
+    memcpy(&(tmp_3des_key->des3_key[0]), key, 24);
+    memcpy(&(tmp_3des_key->des3_iv[0]), iv, 8);
 
-	to_return = 1;
+    to_return = 1;
 
-	return to_return ;
+    return to_return;
 }
 
-
-static int engine_des_ede3_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
-	unsigned int in_len )
+static int engine_des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                                      const unsigned char *in,
+                                      unsigned int in_len)
 {
 
-	zen_nb_t output, input ;
-	zen_nb_t deskey_1, deskey_2, deskey_3, iv ;
-	int to_return = 0 ;
-
-	/* Convert parameters ... */
-	input.len = in_len ;
-	input.data = (unsigned char *) in ;
-	output.len = in_len ;
-	output.data = out ;
-
-	/* Set key ... */
-	deskey_1.len = 8 ;
-	deskey_2.len = 8 ;
-	deskey_3.len = 8 ;
-	deskey_1.data =  (unsigned char *) ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key ;
-	deskey_2.data =  (unsigned char *) &( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key [ 8 ] ;
-	deskey_3.data =  (unsigned char *) &( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key [ 16 ] ;
-
-	/* Key correct iv ... */
-	memcpy ( ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_iv, ctx->iv, 8 ) ;
-	iv.len = 8 ;
-	iv.data = (unsigned char *) ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_iv ;
-
-	if ( ctx->encrypt == 0 ) {
-		memcpy ( ctx->iv, &( input.data [ input.len - 8 ] ), 8 ) ;
-	}
-
-	/* Test with zenbridge library ... */
-	to_return = ptr_zencod_xdes_cipher ( &output, &input,
-			(zen_nb_t *) &deskey_1, (zen_nb_t *) &deskey_2, (zen_nb_t *) &deskey_3, &iv, ctx->encrypt ) ;
-	to_return = !to_return ;
-
-	if ( ctx->encrypt == 1 ) {
-		memcpy ( ctx->iv, &( output.data [ output.len - 8 ] ), 8 ) ;
-	}
-
-	return to_return ;
+    zen_nb_t output, input;
+    zen_nb_t deskey_1, deskey_2, deskey_3, iv;
+    int to_return = 0;
+
+    /* Convert parameters ... */
+    input.len = in_len;
+    input.data = (unsigned char *)in;
+    output.len = in_len;
+    output.data = out;
+
+    /* Set key ... */
+    deskey_1.len = 8;
+    deskey_2.len = 8;
+    deskey_3.len = 8;
+    deskey_1.data =
+        (unsigned char *)((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_key;
+    deskey_2.data =
+        (unsigned char *)&((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_key[8];
+    deskey_3.data =
+        (unsigned char *)&((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_key[16];
+
+    /* Key correct iv ... */
+    memcpy(((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_iv, ctx->iv, 8);
+    iv.len = 8;
+    iv.data = (unsigned char *)((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_iv;
+
+    if (ctx->encrypt == 0) {
+        memcpy(ctx->iv, &(input.data[input.len - 8]), 8);
+    }
+
+    /* Test with zenbridge library ... */
+    to_return = ptr_zencod_xdes_cipher(&output, &input,
+                                       (zen_nb_t *) & deskey_1,
+                                       (zen_nb_t *) & deskey_2,
+                                       (zen_nb_t *) & deskey_3, &iv,
+                                       ctx->encrypt);
+    to_return = !to_return;
+
+    if (ctx->encrypt == 1) {
+        memcpy(ctx->iv, &(output.data[output.len - 8]), 8);
+    }
+
+    return to_return;
 }
 
-
-static int engine_cipher_cleanup ( EVP_CIPHER_CTX *ctx )
+static int engine_cipher_cleanup(EVP_CIPHER_CTX *ctx)
 {
 
-	/* Set the key pointer ... */
-	if ( ctx->cipher->nid == NID_rc4 || ctx->cipher->nid == NID_rc4_40 ) {
-	}
-	else if ( ctx->cipher->nid == NID_des_cbc ) {
-	}
-	else if ( ctx->cipher->nid == NID_des_ede3_cbc ) {
-	}
+    /* Set the key pointer ... */
+    if (ctx->cipher->nid == NID_rc4 || ctx->cipher->nid == NID_rc4_40) {
+    } else if (ctx->cipher->nid == NID_des_cbc) {
+    } else if (ctx->cipher->nid == NID_des_ede3_cbc) {
+    }
 
-	return 1 ;
+    return 1;
 }
 
-
-#endif /* !OPENSSL_NO_HW_ZENCOD */
-#endif /* !OPENSSL_NO_HW */
+# endif                         /* !OPENSSL_NO_HW_ZENCOD */
+#endif                          /* !OPENSSL_NO_HW */
diff --git a/openssl/demos/engines/zencod/hw_zencod.h b/openssl/demos/engines/zencod/hw_zencod.h
index 415c9a6be..a2510453a 100644
--- a/openssl/demos/engines/zencod/hw_zencod.h
+++ b/openssl/demos/engines/zencod/hw_zencod.h
@@ -4,140 +4,139 @@
  * for "zencod" ENGINE integration in OpenSSL project.
  */
 
+#ifndef        _HW_ZENCOD_H_
+# define _HW_ZENCOD_H_
 
- #ifndef	_HW_ZENCOD_H_
-#define	_HW_ZENCOD_H_
+# include <stdio.h>
 
-#include <stdio.h>
-
-#ifdef	__cplusplus
+# ifdef  __cplusplus
 extern "C" {
-#endif	/* __cplusplus */
+# endif                         /* __cplusplus */
 
-#define ZENBRIDGE_MAX_KEYSIZE_RSA	2048
-#define ZENBRIDGE_MAX_KEYSIZE_RSA_CRT	1024
-#define ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN	1024
-#define ZENBRIDGE_MAX_KEYSIZE_DSA_VRFY	1024
+# define ZENBRIDGE_MAX_KEYSIZE_RSA       2048
+# define ZENBRIDGE_MAX_KEYSIZE_RSA_CRT   1024
+# define ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN  1024
+# define ZENBRIDGE_MAX_KEYSIZE_DSA_VRFY  1024
 
 /* Library version computation */
-#define	ZENBRIDGE_VERSION_MAJOR(x)	(((x) >> 16) | 0xff)
-#define	ZENBRIDGE_VERSION_MINOR(x)	(((x) >>  8) | 0xff)
-#define	ZENBRIDGE_VERSION_PATCH(x)	(((x) >>  0) | 0xff)
-#define	ZENBRIDGE_VERSION(x, y, z)		((x) << 16 | (y) << 8 | (z))
-
-/*
- * Memory type
- */
-typedef struct zencod_number_s {
-	unsigned long len;
-	unsigned char *data;
-} zen_nb_t;
-
-#define KEY	zen_nb_t
-
-
-/*
- * Misc
- */
-typedef int t_zencod_lib_version (void);
-typedef int t_zencod_hw_version (void);
-typedef int t_zencod_test (void);
-typedef int t_zencod_dump_key (FILE *stream, char *msg, KEY *key);
-
-
-/*
- * Key management tools
- */
-typedef KEY *t_zencod_new_number (unsigned long len, unsigned char *data);
-typedef int t_zencod_init_number (KEY *n, unsigned long len, unsigned char *data);
-typedef unsigned long t_zencod_bytes2bits (unsigned char *n, unsigned long bytes);
-typedef unsigned long t_zencod_bits2bytes (unsigned long bits);
-
-
-/*
- * RSA API
- */
+# define ZENBRIDGE_VERSION_MAJOR(x)      (((x) >> 16) | 0xff)
+# define ZENBRIDGE_VERSION_MINOR(x)      (((x) >>  8) | 0xff)
+# define ZENBRIDGE_VERSION_PATCH(x)      (((x) >>  0) | 0xff)
+# define ZENBRIDGE_VERSION(x, y, z)              ((x) << 16 | (y) << 8 | (z))
+
+    /*
+     * Memory type
+     */
+    typedef struct zencod_number_s {
+        unsigned long len;
+        unsigned char *data;
+    } zen_nb_t;
+
+# define KEY     zen_nb_t
+
+    /*
+     * Misc
+     */
+    typedef int t_zencod_lib_version(void);
+    typedef int t_zencod_hw_version(void);
+    typedef int t_zencod_test(void);
+    typedef int t_zencod_dump_key(FILE *stream, char *msg, KEY * key);
+
+    /*
+     * Key management tools
+     */
+    typedef KEY *t_zencod_new_number(unsigned long len, unsigned char *data);
+    typedef int t_zencod_init_number(KEY * n, unsigned long len,
+                                     unsigned char *data);
+    typedef unsigned long t_zencod_bytes2bits(unsigned char *n,
+                                              unsigned long bytes);
+    typedef unsigned long t_zencod_bits2bytes(unsigned long bits);
+
+    /*
+     * RSA API
+     */
 /* Compute modular exponential : y = x**e | n */
-typedef int t_zencod_rsa_mod_exp (KEY *y, KEY *x, KEY *n, KEY *e);
-/* Compute modular exponential : y1 = (x | p)**edp | p, y2 = (x | p)**edp | p, y = y2 + (qinv * (y1 - y2) | p) * q */
-typedef int t_zencod_rsa_mod_exp_crt (KEY *y, KEY *x, KEY *p, KEY *q,
-					KEY *edp, KEY *edq, KEY *qinv);
-
-
-/*
- * DSA API
- */
-typedef int t_zencod_dsa_do_sign (unsigned int hash, KEY *data, KEY *random,
-				    KEY *p, KEY *q, KEY *g, KEY *x, KEY *r, KEY *s);
-typedef int t_zencod_dsa_do_verify (unsigned int hash, KEY *data,
-				      KEY *p, KEY *q, KEY *g, KEY *y,
-				      KEY *r, KEY *s, KEY *v);
-
-
-/*
- * DH API
- */
- /* Key generation : compute public value y = g**x | n */
-typedef int t_zencod_dh_generate_key (KEY *y, KEY *x, KEY *g, KEY *n, int gen_x);
-typedef int t_zencod_dh_compute_key (KEY *k, KEY *y, KEY *x, KEY *n);
-
-
-/*
- * RNG API
- */
-#define ZENBRIDGE_RNG_DIRECT		0
-#define ZENBRIDGE_RNG_SHA1		1
-typedef int t_zencod_rand_bytes (KEY *rand, unsigned int flags);
-
-
-/*
- * Math API
- */
-typedef int t_zencod_math_mod_exp (KEY *r, KEY *a, KEY *e, KEY *n);
-
-
-
-
-/*
- * Symetric API
- */
+    typedef int t_zencod_rsa_mod_exp(KEY * y, KEY * x, KEY * n, KEY * e);
+    /*
+     * Compute modular exponential : y1 = (x | p)**edp | p, y2 = (x | p)**edp
+     * | p, y = y2 + (qinv * (y1 - y2) | p) * q
+     */
+    typedef int t_zencod_rsa_mod_exp_crt(KEY * y, KEY * x, KEY * p, KEY * q,
+                                         KEY * edp, KEY * edq, KEY * qinv);
+
+    /*
+     * DSA API
+     */
+    typedef int t_zencod_dsa_do_sign(unsigned int hash, KEY * data,
+                                     KEY * random, KEY * p, KEY * q, KEY * g,
+                                     KEY * x, KEY * r, KEY * s);
+    typedef int t_zencod_dsa_do_verify(unsigned int hash, KEY * data, KEY * p,
+                                       KEY * q, KEY * g, KEY * y, KEY * r,
+                                       KEY * s, KEY * v);
+
+    /*
+     * DH API
+     */
+    /* Key generation : compute public value y = g**x | n */
+    typedef int t_zencod_dh_generate_key(KEY * y, KEY * x, KEY * g, KEY * n,
+                                         int gen_x);
+    typedef int t_zencod_dh_compute_key(KEY * k, KEY * y, KEY * x, KEY * n);
+
+    /*
+     * RNG API
+     */
+# define ZENBRIDGE_RNG_DIRECT            0
+# define ZENBRIDGE_RNG_SHA1              1
+    typedef int t_zencod_rand_bytes(KEY * rand, unsigned int flags);
+
+    /*
+     * Math API
+     */
+    typedef int t_zencod_math_mod_exp(KEY * r, KEY * a, KEY * e, KEY * n);
+
+    /*
+     * Symetric API
+     */
 /* Define a data structure for digests operations */
-typedef struct ZEN_data_st
-{
-	unsigned int HashBufferSize ;
-	unsigned char *HashBuffer ;
-} ZEN_MD_DATA ;
-
-/*
- * Functions for Digest (MD5, SHA1) stuff
- */
-/* output : output data buffer */
-/* input : input data buffer */
-/* algo : hash algorithm, MD5 or SHA1 */
-/* typedef int t_zencod_hash ( KEY *output, const KEY *input, int algo ) ;
- * typedef int t_zencod_sha_hash ( KEY *output, const KEY *input, int algo ) ;
- */
-/* For now separate this stuff that mad it easier to test */
-typedef int t_zencod_md5_init ( ZEN_MD_DATA *data ) ;
-typedef int t_zencod_md5_update ( ZEN_MD_DATA *data, const KEY *input ) ;
-typedef int t_zencod_md5_do_final ( ZEN_MD_DATA *data, KEY *output ) ;
-
-typedef int t_zencod_sha1_init ( ZEN_MD_DATA *data ) ;
-typedef int t_zencod_sha1_update ( ZEN_MD_DATA *data, const KEY *input ) ;
-typedef int t_zencod_sha1_do_final ( ZEN_MD_DATA *data, KEY *output ) ;
-
-
-/*
- * Functions for Cipher (RC4, DES, 3DES) stuff
- */
+    typedef struct ZEN_data_st {
+        unsigned int HashBufferSize;
+        unsigned char *HashBuffer;
+    } ZEN_MD_DATA;
+
+    /*
+     * Functions for Digest (MD5, SHA1) stuff
+     */
+    /* output : output data buffer */
+    /* input : input data buffer */
+    /* algo : hash algorithm, MD5 or SHA1 */
+    /*-
+     * typedef int t_zencod_hash ( KEY *output, const KEY *input, int algo ) ;
+     * typedef int t_zencod_sha_hash ( KEY *output, const KEY *input, int algo ) ;
+     */
+    /* For now separate this stuff that mad it easier to test */
+    typedef int t_zencod_md5_init(ZEN_MD_DATA *data);
+    typedef int t_zencod_md5_update(ZEN_MD_DATA *data, const KEY * input);
+    typedef int t_zencod_md5_do_final(ZEN_MD_DATA *data, KEY * output);
+
+    typedef int t_zencod_sha1_init(ZEN_MD_DATA *data);
+    typedef int t_zencod_sha1_update(ZEN_MD_DATA *data, const KEY * input);
+    typedef int t_zencod_sha1_do_final(ZEN_MD_DATA *data, KEY * output);
+
+    /*
+     * Functions for Cipher (RC4, DES, 3DES) stuff
+     */
 /* output : output data buffer */
 /* input : input data buffer */
 /* key : rc4 key data */
 /* index_1 : value of index x from RC4 key structure */
 /* index_2 : value of index y from RC4 key structure */
-/* Be carefull : RC4 key should be expanded before calling this method (Should we provide an expand function ??) */
-typedef int t_zencod_rc4_cipher ( KEY *output, const KEY *input, const KEY *key,
-		unsigned char *index_1, unsigned char *index_2, int mode ) ;
+    /*
+     * Be carefull : RC4 key should be expanded before calling this method
+     * (Should we provide an expand function ??)
+     */
+    typedef int t_zencod_rc4_cipher(KEY * output, const KEY * input,
+                                    const KEY * key, unsigned char *index_1,
+                                    unsigned char *index_2, int mode);
 
 /* output : output data buffer */
 /* input : input data buffer */
@@ -147,14 +146,14 @@ typedef int t_zencod_rc4_cipher ( KEY *output, const KEY *input, const KEY *key,
 /* iv : initial vector */
 /* mode : xdes mode (encrypt or decrypt) */
 /* Be carefull : In DES mode key_1 = key_2 = key_3 (as far as i can see !!) */
-typedef int t_zencod_xdes_cipher ( KEY *output, const KEY *input, const KEY *key_1,
-		const KEY *key_2, const KEY *key_3, const KEY *iv, int mode ) ;
+    typedef int t_zencod_xdes_cipher(KEY * output, const KEY * input,
+                                     const KEY * key_1, const KEY * key_2,
+                                     const KEY * key_3, const KEY * iv,
+                                     int mode);
 
+# undef KEY
 
-#undef KEY
-
-#ifdef	__cplusplus
+# ifdef  __cplusplus
 }
-#endif	/* __cplusplus */
-
-#endif	/* !_HW_ZENCOD_H_ */
+# endif                         /* __cplusplus */
+#endif                          /* !_HW_ZENCOD_H_ */
diff --git a/openssl/demos/engines/zencod/hw_zencod_err.c b/openssl/demos/engines/zencod/hw_zencod_err.c
index 8ed0fffc9..ff2b592d7 100644
--- a/openssl/demos/engines/zencod/hw_zencod_err.c
+++ b/openssl/demos/engines/zencod/hw_zencod_err.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,7 +53,8 @@
  *
  */
 
-/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
  * made to it will be overwritten when the script next updates this file,
  * only reason strings will be preserved.
  */
@@ -64,88 +65,83 @@
 
 /* BEGIN ERROR CODES */
 #ifndef OPENSSL_NO_ERR
-static ERR_STRING_DATA ZENCOD_str_functs[]=
-	{
-{ERR_PACK(0,ZENCOD_F_ZENCOD_BN_MOD_EXP,0),	"ZENCOD_BN_MOD_EXP"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_CTRL,0),	"ZENCOD_CTRL"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_DH_COMPUTE,0),	"ZENCOD_DH_COMPUTE"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_DH_GENERATE,0),	"ZENCOD_DH_GENERATE"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_DSA_DO_SIGN,0),	"ZENCOD_DSA_DO_SIGN"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_DSA_DO_VERIFY,0),	"ZENCOD_DSA_DO_VERIFY"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_FINISH,0),	"ZENCOD_FINISH"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_INIT,0),	"ZENCOD_INIT"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_RAND,0),	"ZENCOD_RAND"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_RSA_MOD_EXP,0),	"ZENCOD_RSA_MOD_EXP"},
-{ERR_PACK(0,ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT,0),	"ZENCOD_RSA_MOD_EXP_CRT"},
-{0,NULL}
-	};
+static ERR_STRING_DATA ZENCOD_str_functs[] = {
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_BN_MOD_EXP, 0), "ZENCOD_BN_MOD_EXP"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_CTRL, 0), "ZENCOD_CTRL"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_DH_COMPUTE, 0), "ZENCOD_DH_COMPUTE"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_DH_GENERATE, 0), "ZENCOD_DH_GENERATE"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_DSA_DO_SIGN, 0), "ZENCOD_DSA_DO_SIGN"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_DSA_DO_VERIFY, 0), "ZENCOD_DSA_DO_VERIFY"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_FINISH, 0), "ZENCOD_FINISH"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_INIT, 0), "ZENCOD_INIT"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_RAND, 0), "ZENCOD_RAND"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_RSA_MOD_EXP, 0), "ZENCOD_RSA_MOD_EXP"},
+    {ERR_PACK(0, ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, 0),
+     "ZENCOD_RSA_MOD_EXP_CRT"},
+    {0, NULL}
+};
 
-static ERR_STRING_DATA ZENCOD_str_reasons[]=
-	{
-{ZENCOD_R_ALREADY_LOADED                 ,"already loaded"},
-{ZENCOD_R_BAD_KEY_COMPONENTS             ,"bad key components"},
-{ZENCOD_R_BN_EXPAND_FAIL                 ,"bn expand fail"},
-{ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED   ,"ctrl command not implemented"},
-{ZENCOD_R_DSO_FAILURE                    ,"dso failure"},
-{ZENCOD_R_NOT_LOADED                     ,"not loaded"},
-{ZENCOD_R_REQUEST_FAILED                 ,"request failed"},
-{ZENCOD_R_UNIT_FAILURE                   ,"unit failure"},
-{0,NULL}
-	};
+static ERR_STRING_DATA ZENCOD_str_reasons[] = {
+    {ZENCOD_R_ALREADY_LOADED, "already loaded"},
+    {ZENCOD_R_BAD_KEY_COMPONENTS, "bad key components"},
+    {ZENCOD_R_BN_EXPAND_FAIL, "bn expand fail"},
+    {ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED, "ctrl command not implemented"},
+    {ZENCOD_R_DSO_FAILURE, "dso failure"},
+    {ZENCOD_R_NOT_LOADED, "not loaded"},
+    {ZENCOD_R_REQUEST_FAILED, "request failed"},
+    {ZENCOD_R_UNIT_FAILURE, "unit failure"},
+    {0, NULL}
+};
 
 #endif
 
 #ifdef ZENCOD_LIB_NAME
-static ERR_STRING_DATA ZENCOD_lib_name[]=
-        {
-{0	,ZENCOD_LIB_NAME},
-{0,NULL}
-	};
+static ERR_STRING_DATA ZENCOD_lib_name[] = {
+    {0, ZENCOD_LIB_NAME},
+    {0, NULL}
+};
 #endif
 
-
-static int ZENCOD_lib_error_code=0;
-static int ZENCOD_error_init=1;
+static int ZENCOD_lib_error_code = 0;
+static int ZENCOD_error_init = 1;
 
 static void ERR_load_ZENCOD_strings(void)
-	{
-	if (ZENCOD_lib_error_code == 0)
-		ZENCOD_lib_error_code=ERR_get_next_error_library();
+{
+    if (ZENCOD_lib_error_code == 0)
+        ZENCOD_lib_error_code = ERR_get_next_error_library();
 
-	if (ZENCOD_error_init)
-		{
-		ZENCOD_error_init=0;
+    if (ZENCOD_error_init) {
+        ZENCOD_error_init = 0;
 #ifndef OPENSSL_NO_ERR
-		ERR_load_strings(ZENCOD_lib_error_code,ZENCOD_str_functs);
-		ERR_load_strings(ZENCOD_lib_error_code,ZENCOD_str_reasons);
+        ERR_load_strings(ZENCOD_lib_error_code, ZENCOD_str_functs);
+        ERR_load_strings(ZENCOD_lib_error_code, ZENCOD_str_reasons);
 #endif
 
 #ifdef ZENCOD_LIB_NAME
-		ZENCOD_lib_name->error = ERR_PACK(ZENCOD_lib_error_code,0,0);
-		ERR_load_strings(0,ZENCOD_lib_name);
+        ZENCOD_lib_name->error = ERR_PACK(ZENCOD_lib_error_code, 0, 0);
+        ERR_load_strings(0, ZENCOD_lib_name);
 #endif
-		}
-	}
+    }
+}
 
 static void ERR_unload_ZENCOD_strings(void)
-	{
-	if (ZENCOD_error_init == 0)
-		{
+{
+    if (ZENCOD_error_init == 0) {
 #ifndef OPENSSL_NO_ERR
-		ERR_unload_strings(ZENCOD_lib_error_code,ZENCOD_str_functs);
-		ERR_unload_strings(ZENCOD_lib_error_code,ZENCOD_str_reasons);
+        ERR_unload_strings(ZENCOD_lib_error_code, ZENCOD_str_functs);
+        ERR_unload_strings(ZENCOD_lib_error_code, ZENCOD_str_reasons);
 #endif
 
 #ifdef ZENCOD_LIB_NAME
-		ERR_unload_strings(0,ZENCOD_lib_name);
+        ERR_unload_strings(0, ZENCOD_lib_name);
 #endif
-		ZENCOD_error_init=1;
-		}
-	}
+        ZENCOD_error_init = 1;
+    }
+}
 
 static void ERR_ZENCOD_error(int function, int reason, char *file, int line)
-	{
-	if (ZENCOD_lib_error_code == 0)
-		ZENCOD_lib_error_code=ERR_get_next_error_library();
-	ERR_PUT_error(ZENCOD_lib_error_code,function,reason,file,line);
-	}
+{
+    if (ZENCOD_lib_error_code == 0)
+        ZENCOD_lib_error_code = ERR_get_next_error_library();
+    ERR_PUT_error(ZENCOD_lib_error_code, function, reason, file, line);
+}
diff --git a/openssl/demos/engines/zencod/hw_zencod_err.h b/openssl/demos/engines/zencod/hw_zencod_err.h
index 60e923fd8..f4a835881 100644
--- a/openssl/demos/engines/zencod/hw_zencod_err.h
+++ b/openssl/demos/engines/zencod/hw_zencod_err.h
@@ -6,7 +6,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -53,45 +53,46 @@
  */
 
 #ifndef HEADER_ZENCOD_ERR_H
-#define HEADER_ZENCOD_ERR_H
+# define HEADER_ZENCOD_ERR_H
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /* BEGIN ERROR CODES */
-/* The following lines are auto generated by the script mkerr.pl. Any changes
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
 static void ERR_load_ZENCOD_strings(void);
 static void ERR_unload_ZENCOD_strings(void);
 static void ERR_ZENCOD_error(int function, int reason, char *file, int line);
-#define ZENCODerr(f,r) ERR_ZENCOD_error((f),(r),__FILE__,__LINE__)
+# define ZENCODerr(f,r) ERR_ZENCOD_error((f),(r),__FILE__,__LINE__)
 
 /* Error codes for the ZENCOD functions. */
 
 /* Function codes. */
-#define ZENCOD_F_ZENCOD_BN_MOD_EXP			 100
-#define ZENCOD_F_ZENCOD_CTRL				 101
-#define ZENCOD_F_ZENCOD_DH_COMPUTE			 102
-#define ZENCOD_F_ZENCOD_DH_GENERATE			 103
-#define ZENCOD_F_ZENCOD_DSA_DO_SIGN			 104
-#define ZENCOD_F_ZENCOD_DSA_DO_VERIFY			 105
-#define ZENCOD_F_ZENCOD_FINISH				 106
-#define ZENCOD_F_ZENCOD_INIT				 107
-#define ZENCOD_F_ZENCOD_RAND				 108
-#define ZENCOD_F_ZENCOD_RSA_MOD_EXP			 109
-#define ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT			 110
+# define ZENCOD_F_ZENCOD_BN_MOD_EXP                       100
+# define ZENCOD_F_ZENCOD_CTRL                             101
+# define ZENCOD_F_ZENCOD_DH_COMPUTE                       102
+# define ZENCOD_F_ZENCOD_DH_GENERATE                      103
+# define ZENCOD_F_ZENCOD_DSA_DO_SIGN                      104
+# define ZENCOD_F_ZENCOD_DSA_DO_VERIFY                    105
+# define ZENCOD_F_ZENCOD_FINISH                           106
+# define ZENCOD_F_ZENCOD_INIT                             107
+# define ZENCOD_F_ZENCOD_RAND                             108
+# define ZENCOD_F_ZENCOD_RSA_MOD_EXP                      109
+# define ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT                  110
 
 /* Reason codes. */
-#define ZENCOD_R_ALREADY_LOADED				 100
-#define ZENCOD_R_BAD_KEY_COMPONENTS			 101
-#define ZENCOD_R_BN_EXPAND_FAIL				 102
-#define ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED		 103
-#define ZENCOD_R_DSO_FAILURE				 104
-#define ZENCOD_R_NOT_LOADED				 105
-#define ZENCOD_R_REQUEST_FAILED				 106
-#define ZENCOD_R_UNIT_FAILURE				 107
+# define ZENCOD_R_ALREADY_LOADED                          100
+# define ZENCOD_R_BAD_KEY_COMPONENTS                      101
+# define ZENCOD_R_BN_EXPAND_FAIL                          102
+# define ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED            103
+# define ZENCOD_R_DSO_FAILURE                             104
+# define ZENCOD_R_NOT_LOADED                              105
+# define ZENCOD_R_REQUEST_FAILED                          106
+# define ZENCOD_R_UNIT_FAILURE                            107
 
 #ifdef  __cplusplus
 }
diff --git a/openssl/demos/pkcs12/pkread.c b/openssl/demos/pkcs12/pkread.c
index fa8f50923..f4a3df407 100644
--- a/openssl/demos/pkcs12/pkread.c
+++ b/openssl/demos/pkcs12/pkread.c
@@ -10,52 +10,52 @@
 
 int main(int argc, char **argv)
 {
-	FILE *fp;
-	EVP_PKEY *pkey;
-	X509 *cert;
-	STACK_OF(X509) *ca = NULL;
-	PKCS12 *p12;
-	int i;
-	if (argc != 4) {
-		fprintf(stderr, "Usage: pkread p12file password opfile\n");
-		exit (1);
-	}
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
-	if (!(fp = fopen(argv[1], "rb"))) {
-		fprintf(stderr, "Error opening file %s\n", argv[1]);
-		exit(1);
-	}
-	p12 = d2i_PKCS12_fp(fp, NULL);
-	fclose (fp);
-	if (!p12) {
-		fprintf(stderr, "Error reading PKCS#12 file\n");
-		ERR_print_errors_fp(stderr);
-		exit (1);
-	}
-	if (!PKCS12_parse(p12, argv[2], &pkey, &cert, &ca)) {
-		fprintf(stderr, "Error parsing PKCS#12 file\n");
-		ERR_print_errors_fp(stderr);
-		exit (1);
-	}
-	PKCS12_free(p12);
-	if (!(fp = fopen(argv[3], "w"))) {
-		fprintf(stderr, "Error opening file %s\n", argv[1]);
-		exit(1);
-	}
-	if (pkey) {
-		fprintf(fp, "***Private Key***\n");
-		PEM_write_PrivateKey(fp, pkey, NULL, NULL, 0, NULL, NULL);
-	}
-	if (cert) {
-		fprintf(fp, "***User Certificate***\n");
-		PEM_write_X509_AUX(fp, cert);
-	}
-	if (ca && sk_X509_num(ca)) {
-		fprintf(fp, "***Other Certificates***\n");
-		for (i = 0; i < sk_X509_num(ca); i++) 
-		    PEM_write_X509_AUX(fp, sk_X509_value(ca, i));
-	}
-	fclose(fp);
-	return 0;
+    FILE *fp;
+    EVP_PKEY *pkey;
+    X509 *cert;
+    STACK_OF(X509) *ca = NULL;
+    PKCS12 *p12;
+    int i;
+    if (argc != 4) {
+        fprintf(stderr, "Usage: pkread p12file password opfile\n");
+        exit(1);
+    }
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
+    if (!(fp = fopen(argv[1], "rb"))) {
+        fprintf(stderr, "Error opening file %s\n", argv[1]);
+        exit(1);
+    }
+    p12 = d2i_PKCS12_fp(fp, NULL);
+    fclose(fp);
+    if (!p12) {
+        fprintf(stderr, "Error reading PKCS#12 file\n");
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+    if (!PKCS12_parse(p12, argv[2], &pkey, &cert, &ca)) {
+        fprintf(stderr, "Error parsing PKCS#12 file\n");
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+    PKCS12_free(p12);
+    if (!(fp = fopen(argv[3], "w"))) {
+        fprintf(stderr, "Error opening file %s\n", argv[1]);
+        exit(1);
+    }
+    if (pkey) {
+        fprintf(fp, "***Private Key***\n");
+        PEM_write_PrivateKey(fp, pkey, NULL, NULL, 0, NULL, NULL);
+    }
+    if (cert) {
+        fprintf(fp, "***User Certificate***\n");
+        PEM_write_X509_AUX(fp, cert);
+    }
+    if (ca && sk_X509_num(ca)) {
+        fprintf(fp, "***Other Certificates***\n");
+        for (i = 0; i < sk_X509_num(ca); i++)
+            PEM_write_X509_AUX(fp, sk_X509_value(ca, i));
+    }
+    fclose(fp);
+    return 0;
 }
diff --git a/openssl/demos/pkcs12/pkwrite.c b/openssl/demos/pkcs12/pkwrite.c
index 15f839d1e..fed773ea7 100644
--- a/openssl/demos/pkcs12/pkwrite.c
+++ b/openssl/demos/pkcs12/pkwrite.c
@@ -10,37 +10,37 @@
 
 int main(int argc, char **argv)
 {
-	FILE *fp;
-	EVP_PKEY *pkey;
-	X509 *cert;
-	PKCS12 *p12;
-	if (argc != 5) {
-		fprintf(stderr, "Usage: pkwrite infile password name p12file\n");
-		exit(1);
-	}
-	SSLeay_add_all_algorithms();
-	ERR_load_crypto_strings();
-	if (!(fp = fopen(argv[1], "r"))) {
-		fprintf(stderr, "Error opening file %s\n", argv[1]);
-		exit(1);
-	}
-	cert = PEM_read_X509(fp, NULL, NULL, NULL);
-	rewind(fp);
-	pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
-	fclose(fp);
-	p12 = PKCS12_create(argv[2], argv[3], pkey, cert, NULL, 0,0,0,0,0);
-	if(!p12) {
-		fprintf(stderr, "Error creating PKCS#12 structure\n");
-		ERR_print_errors_fp(stderr);
-		exit(1);
-	}
-	if (!(fp = fopen(argv[4], "wb"))) {
-		fprintf(stderr, "Error opening file %s\n", argv[1]);
-		ERR_print_errors_fp(stderr);
-		exit(1);
-	}
-	i2d_PKCS12_fp(fp, p12);
-	PKCS12_free(p12);
-	fclose(fp);
-	return 0;
+    FILE *fp;
+    EVP_PKEY *pkey;
+    X509 *cert;
+    PKCS12 *p12;
+    if (argc != 5) {
+        fprintf(stderr, "Usage: pkwrite infile password name p12file\n");
+        exit(1);
+    }
+    SSLeay_add_all_algorithms();
+    ERR_load_crypto_strings();
+    if (!(fp = fopen(argv[1], "r"))) {
+        fprintf(stderr, "Error opening file %s\n", argv[1]);
+        exit(1);
+    }
+    cert = PEM_read_X509(fp, NULL, NULL, NULL);
+    rewind(fp);
+    pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
+    fclose(fp);
+    p12 = PKCS12_create(argv[2], argv[3], pkey, cert, NULL, 0, 0, 0, 0, 0);
+    if (!p12) {
+        fprintf(stderr, "Error creating PKCS#12 structure\n");
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+    if (!(fp = fopen(argv[4], "wb"))) {
+        fprintf(stderr, "Error opening file %s\n", argv[1]);
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+    i2d_PKCS12_fp(fp, p12);
+    PKCS12_free(p12);
+    fclose(fp);
+    return 0;
 }
diff --git a/openssl/demos/prime/prime.c b/openssl/demos/prime/prime.c
index 103e0efc0..6dd022886 100644
--- a/openssl/demos/prime/prime.c
+++ b/openssl/demos/prime/prime.c
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -58,44 +58,45 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <openssl/bn.h>    
+#include <openssl/bn.h>
 
-void callback(type,num)
-int type,num;
-	{
-	if (type == 0)
-		fprintf(stderr,".");
-	else if (type == 1)
-		fprintf(stderr,"+");
-	else if (type == 2)
-		fprintf(stderr,"*");
-	fflush(stderr);
-	}
+void callback(type, num)
+int type, num;
+{
+    if (type == 0)
+        fprintf(stderr, ".");
+    else if (type == 1)
+        fprintf(stderr, "+");
+    else if (type == 2)
+        fprintf(stderr, "*");
+    fflush(stderr);
+}
 
-int main(argc,argv)
+int main(argc, argv)
 int argc;
 char *argv[];
-	{
-	BIGNUM *rand;
-	int num=256;
-
-	/* we should really call RAND_seed(char *bytes,int num);
-	 * to fully initalise the random number generator */
-	if (argc >= 2)
-		{
-		num=atoi(argv[1]);
-		if (num == 0) num=256;
-		}
+{
+    BIGNUM *rand;
+    int num = 256;
 
-	fprintf(stderr,"generate a strong prime\n");
-        rand=BN_generate_prime(NULL,num,1,NULL,NULL,callback,NULL);
-	/* change the third parameter to 1 for a strong prime */
-	fprintf(stderr,"\n");
+    /*
+     * we should really call RAND_seed(char *bytes,int num); to fully
+     * initalise the random number generator
+     */
+    if (argc >= 2) {
+        num = atoi(argv[1]);
+        if (num == 0)
+            num = 256;
+    }
 
-	BN_print_fp(stdout,rand);           
-	fprintf(stdout,"\n");
-	BN_free(rand); 
-	exit(0);
-	return(0);
-	}
+    fprintf(stderr, "generate a strong prime\n");
+    rand = BN_generate_prime(NULL, num, 1, NULL, NULL, callback, NULL);
+    /* change the third parameter to 1 for a strong prime */
+    fprintf(stderr, "\n");
 
+    BN_print_fp(stdout, rand);
+    fprintf(stdout, "\n");
+    BN_free(rand);
+    exit(0);
+    return (0);
+}
diff --git a/openssl/demos/selfsign.c b/openssl/demos/selfsign.c
index 68904c611..d61133411 100644
--- a/openssl/demos/selfsign.c
+++ b/openssl/demos/selfsign.c
@@ -11,170 +11,166 @@
 int mkit(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
 
 int main()
-	{
-	BIO *bio_err;
-	X509 *x509=NULL;
-	EVP_PKEY *pkey=NULL;
+{
+    BIO *bio_err;
+    X509 *x509 = NULL;
+    EVP_PKEY *pkey = NULL;
 
-	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 
-	bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
+    bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
 
-	mkit(&x509,&pkey,512,0,365);
+    mkit(&x509, &pkey, 512, 0, 365);
 
-	RSA_print_fp(stdout,pkey->pkey.rsa,0);
-	X509_print_fp(stdout,x509);
+    RSA_print_fp(stdout, pkey->pkey.rsa, 0);
+    X509_print_fp(stdout, x509);
 
-	PEM_write_PrivateKey(stdout,pkey,NULL,NULL,0,NULL, NULL);
-	PEM_write_X509(stdout,x509);
+    PEM_write_PrivateKey(stdout, pkey, NULL, NULL, 0, NULL, NULL);
+    PEM_write_X509(stdout, x509);
 
-	X509_free(x509);
-	EVP_PKEY_free(pkey);
+    X509_free(x509);
+    EVP_PKEY_free(pkey);
 
 #ifdef CUSTOM_EXT
-	/* Only needed if we add objects or custom extensions */
-	X509V3_EXT_cleanup();
-	OBJ_cleanup();
+    /* Only needed if we add objects or custom extensions */
+    X509V3_EXT_cleanup();
+    OBJ_cleanup();
 #endif
 
-	CRYPTO_mem_leaks(bio_err);
-	BIO_free(bio_err);
-	return(0);
-	}
+    CRYPTO_mem_leaks(bio_err);
+    BIO_free(bio_err);
+    return (0);
+}
 
 #ifdef WIN16
-#  define MS_CALLBACK   _far _loadds
-#  define MS_FAR        _far
+# define MS_CALLBACK   _far _loadds
+# define MS_FAR        _far
 #else
-#  define MS_CALLBACK
-#  define MS_FAR
+# define MS_CALLBACK
+# define MS_FAR
 #endif
 
 static void MS_CALLBACK callback(p, n, arg)
 int p;
 int n;
 void *arg;
-	{
-	char c='B';
-
-	if (p == 0) c='.';
-	if (p == 1) c='+';
-	if (p == 2) c='*';
-	if (p == 3) c='\n';
-	fputc(c,stderr);
-	}
-
-int mkit(x509p,pkeyp,bits,serial,days)
+{
+    char c = 'B';
+
+    if (p == 0)
+        c = '.';
+    if (p == 1)
+        c = '+';
+    if (p == 2)
+        c = '*';
+    if (p == 3)
+        c = '\n';
+    fputc(c, stderr);
+}
+
+int mkit(x509p, pkeyp, bits, serial, days)
 X509 **x509p;
 EVP_PKEY **pkeyp;
 int bits;
 int serial;
 int days;
-	{
-	X509 *x;
-	EVP_PKEY *pk;
-	RSA *rsa;
-	X509_NAME *name=NULL;
-	X509_NAME_ENTRY *ne=NULL;
-	X509_EXTENSION *ex=NULL;
-
-	
-	if ((pkeyp == NULL) || (*pkeyp == NULL))
-		{
-		if ((pk=EVP_PKEY_new()) == NULL)
-			{
-			abort(); 
-			return(0);
-			}
-		}
-	else
-		pk= *pkeyp;
-
-	if ((x509p == NULL) || (*x509p == NULL))
-		{
-		if ((x=X509_new()) == NULL)
-			goto err;
-		}
-	else
-		x= *x509p;
-
-	rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
-	if (!EVP_PKEY_assign_RSA(pk,rsa))
-		{
-		abort();
-		goto err;
-		}
-	rsa=NULL;
-
-	X509_set_version(x,3);
-	ASN1_INTEGER_set(X509_get_serialNumber(x),serial);
-	X509_gmtime_adj(X509_get_notBefore(x),0);
-	X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
-	X509_set_pubkey(x,pk);
-
-	name=X509_get_subject_name(x);
-
-	/* This function creates and adds the entry, working out the
-	 * correct string type and performing checks on its length.
-	 * Normally we'd check the return value for errors...
-	 */
-	X509_NAME_add_entry_by_txt(name,"C",
-				MBSTRING_ASC, "UK", -1, -1, 0);
-	X509_NAME_add_entry_by_txt(name,"CN",
-				MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
-
-	X509_set_issuer_name(x,name);
-
-	/* Add extension using V3 code: we can set the config file as NULL
-	 * because we wont reference any other sections. We can also set
-         * the context to NULL because none of these extensions below will need
-	 * to access it.
-	 */
-
-	ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
-	X509_add_ext(x,ex,-1);
-	X509_EXTENSION_free(ex);
-
-	ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
-						"example comment extension");
-	X509_add_ext(x,ex,-1);
-	X509_EXTENSION_free(ex);
-
-	ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
-							"www.openssl.org");
-
-	X509_add_ext(x,ex,-1);
-	X509_EXTENSION_free(ex);
+{
+    X509 *x;
+    EVP_PKEY *pk;
+    RSA *rsa;
+    X509_NAME *name = NULL;
+    X509_NAME_ENTRY *ne = NULL;
+    X509_EXTENSION *ex = NULL;
+
+    if ((pkeyp == NULL) || (*pkeyp == NULL)) {
+        if ((pk = EVP_PKEY_new()) == NULL) {
+            abort();
+            return (0);
+        }
+    } else
+        pk = *pkeyp;
+
+    if ((x509p == NULL) || (*x509p == NULL)) {
+        if ((x = X509_new()) == NULL)
+            goto err;
+    } else
+        x = *x509p;
+
+    rsa = RSA_generate_key(bits, RSA_F4, callback, NULL);
+    if (!EVP_PKEY_assign_RSA(pk, rsa)) {
+        abort();
+        goto err;
+    }
+    rsa = NULL;
+
+    X509_set_version(x, 3);
+    ASN1_INTEGER_set(X509_get_serialNumber(x), serial);
+    X509_gmtime_adj(X509_get_notBefore(x), 0);
+    X509_gmtime_adj(X509_get_notAfter(x), (long)60 * 60 * 24 * days);
+    X509_set_pubkey(x, pk);
+
+    name = X509_get_subject_name(x);
+
+    /*
+     * This function creates and adds the entry, working out the correct
+     * string type and performing checks on its length. Normally we'd check
+     * the return value for errors...
+     */
+    X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, "UK", -1, -1, 0);
+    X509_NAME_add_entry_by_txt(name, "CN",
+                               MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
+
+    X509_set_issuer_name(x, name);
+
+    /*
+     * Add extension using V3 code: we can set the config file as NULL
+     * because we wont reference any other sections. We can also set the
+     * context to NULL because none of these extensions below will need to
+     * access it.
+     */
+
+    ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_cert_type, "server");
+    X509_add_ext(x, ex, -1);
+    X509_EXTENSION_free(ex);
+
+    ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_comment,
+                             "example comment extension");
+    X509_add_ext(x, ex, -1);
+    X509_EXTENSION_free(ex);
+
+    ex = X509V3_EXT_conf_nid(NULL, NULL, NID_netscape_ssl_server_name,
+                             "www.openssl.org");
+
+    X509_add_ext(x, ex, -1);
+    X509_EXTENSION_free(ex);
 
 #if 0
-	/* might want something like this too.... */
-	ex = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints,
-							"critical,CA:TRUE");
-
+    /* might want something like this too.... */
+    ex = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints,
+                             "critical,CA:TRUE");
 
-	X509_add_ext(x,ex,-1);
-	X509_EXTENSION_free(ex);
+    X509_add_ext(x, ex, -1);
+    X509_EXTENSION_free(ex);
 #endif
 
 #ifdef CUSTOM_EXT
-	/* Maybe even add our own extension based on existing */
-	{
-		int nid;
-		nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
-		X509V3_EXT_add_alias(nid, NID_netscape_comment);
-		ex = X509V3_EXT_conf_nid(NULL, NULL, nid,
-						"example comment alias");
-		X509_add_ext(x,ex,-1);
-		X509_EXTENSION_free(ex);
-	}
+    /* Maybe even add our own extension based on existing */
+    {
+        int nid;
+        nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
+        X509V3_EXT_add_alias(nid, NID_netscape_comment);
+        ex = X509V3_EXT_conf_nid(NULL, NULL, nid, "example comment alias");
+        X509_add_ext(x, ex, -1);
+        X509_EXTENSION_free(ex);
+    }
 #endif
-	
-	if (!X509_sign(x,pk,EVP_md5()))
-		goto err;
-
-	*x509p=x;
-	*pkeyp=pk;
-	return(1);
-err:
-	return(0);
-	}
+
+    if (!X509_sign(x, pk, EVP_md5()))
+        goto err;
+
+    *x509p = x;
+    *pkeyp = pk;
+    return (1);
+ err:
+    return (0);
+}
diff --git a/openssl/demos/sign/sign.c b/openssl/demos/sign/sign.c
index a6c66e17c..22f53fb60 100644
--- a/openssl/demos/sign/sign.c
+++ b/openssl/demos/sign/sign.c
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,19 +49,22 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
 
-/* sign-it.cpp  -  Simple test app using SSLeay envelopes to sign data
-   29.9.1996, Sampo Kellomaki <sampo@iki.fi> */
+/*
+ * sign-it.cpp - Simple test app using SSLeay envelopes to sign data
+ * 29.9.1996, Sampo Kellomaki <sampo@iki.fi>
+ */
 
 /* converted to C - eay :-) */
 
-/* reformated a bit and converted to use the more common functions: this was
+/*
+ * reformated a bit and converted to use the more common functions: this was
  * initially written at the dawn of time :-) - Steve.
  */
 
@@ -74,80 +77,84 @@
 #include <openssl/pem.h>
 #include <openssl/ssl.h>
 
-int main ()
+int main()
 {
-  int err;
-  int sig_len;
-  unsigned char sig_buf [4096];
-  static char certfile[] = "cert.pem";
-  static char keyfile[]  = "key.pem";
-  static char data[]     = "I owe you...";
-  EVP_MD_CTX     md_ctx;
-  EVP_PKEY *      pkey;
-  FILE *          fp;
-  X509 *	x509;
-
-  /* Just load the crypto library error strings,
-   * SSL_load_error_strings() loads the crypto AND the SSL ones */
-  /* SSL_load_error_strings();*/
-  ERR_load_crypto_strings();
-  
-  /* Read private key */
-  
-  fp = fopen (keyfile, "r");
-  if (fp == NULL) exit (1);
-  pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
-  fclose (fp);
-
-  if (pkey == NULL) { 
-	ERR_print_errors_fp (stderr);
-	exit (1);
-  }
-  
-  /* Do the signature */
-  
-  EVP_SignInit   (&md_ctx, EVP_sha1());
-  EVP_SignUpdate (&md_ctx, data, strlen(data));
-  sig_len = sizeof(sig_buf);
-  err = EVP_SignFinal (&md_ctx, sig_buf, &sig_len, pkey);
-
-  if (err != 1) {
-	ERR_print_errors_fp(stderr);
-	exit (1);
-  }
-
-  EVP_PKEY_free (pkey);
-  
-  /* Read public key */
-  
-  fp = fopen (certfile, "r");
-  if (fp == NULL) exit (1);
-  x509 = PEM_read_X509(fp, NULL, NULL, NULL);
-  fclose (fp);
-
-  if (x509 == NULL) {
-	ERR_print_errors_fp (stderr);
-	exit (1);
-  }
-  
-  /* Get public key - eay */
-  pkey=X509_get_pubkey(x509);
-  if (pkey == NULL) {
-	ERR_print_errors_fp (stderr);
-	exit (1);
-  }
-
-  /* Verify the signature */
-  
-  EVP_VerifyInit   (&md_ctx, EVP_sha1());
-  EVP_VerifyUpdate (&md_ctx, data, strlen((char*)data));
-  err = EVP_VerifyFinal (&md_ctx, sig_buf, sig_len, pkey);
-  EVP_PKEY_free (pkey);
-
-  if (err != 1) {
-	ERR_print_errors_fp (stderr);
-	exit (1);
-  }
-  printf ("Signature Verified Ok.\n");
-  return(0);
+    int err;
+    int sig_len;
+    unsigned char sig_buf[4096];
+    static char certfile[] = "cert.pem";
+    static char keyfile[] = "key.pem";
+    static char data[] = "I owe you...";
+    EVP_MD_CTX md_ctx;
+    EVP_PKEY *pkey;
+    FILE *fp;
+    X509 *x509;
+
+    /*
+     * Just load the crypto library error strings, SSL_load_error_strings()
+     * loads the crypto AND the SSL ones
+     */
+    /* SSL_load_error_strings(); */
+    ERR_load_crypto_strings();
+
+    /* Read private key */
+
+    fp = fopen(keyfile, "r");
+    if (fp == NULL)
+        exit(1);
+    pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
+    fclose(fp);
+
+    if (pkey == NULL) {
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+
+    /* Do the signature */
+
+    EVP_SignInit(&md_ctx, EVP_sha1());
+    EVP_SignUpdate(&md_ctx, data, strlen(data));
+    sig_len = sizeof(sig_buf);
+    err = EVP_SignFinal(&md_ctx, sig_buf, &sig_len, pkey);
+
+    if (err != 1) {
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+
+    EVP_PKEY_free(pkey);
+
+    /* Read public key */
+
+    fp = fopen(certfile, "r");
+    if (fp == NULL)
+        exit(1);
+    x509 = PEM_read_X509(fp, NULL, NULL, NULL);
+    fclose(fp);
+
+    if (x509 == NULL) {
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+
+    /* Get public key - eay */
+    pkey = X509_get_pubkey(x509);
+    if (pkey == NULL) {
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+
+    /* Verify the signature */
+
+    EVP_VerifyInit(&md_ctx, EVP_sha1());
+    EVP_VerifyUpdate(&md_ctx, data, strlen((char *)data));
+    err = EVP_VerifyFinal(&md_ctx, sig_buf, sig_len, pkey);
+    EVP_PKEY_free(pkey);
+
+    if (err != 1) {
+        ERR_print_errors_fp(stderr);
+        exit(1);
+    }
+    printf("Signature Verified Ok.\n");
+    return (0);
 }
diff --git a/openssl/demos/smime/smdec.c b/openssl/demos/smime/smdec.c
index 8b1a8545a..6814d5199 100644
--- a/openssl/demos/smime/smdec.c
+++ b/openssl/demos/smime/smdec.c
@@ -4,80 +4,75 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *rcert = NULL;
-	EVP_PKEY *rkey = NULL;
-	PKCS7 *p7 = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *rcert = NULL;
+    EVP_PKEY *rkey = NULL;
+    PKCS7 *p7 = NULL;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in recipient certificate and private key */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in recipient certificate and private key */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!rcert || !rkey)
-		goto err;
+    if (!rcert || !rkey)
+        goto err;
 
-	/* Open content being signed */
+    /* Open content being signed */
 
-	in = BIO_new_file("smencr.txt", "r");
+    in = BIO_new_file("smencr.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Sign content */
-	p7 = SMIME_read_PKCS7(in, NULL);
+    /* Sign content */
+    p7 = SMIME_read_PKCS7(in, NULL);
 
-	if (!p7)
-		goto err;
+    if (!p7)
+        goto err;
 
-	out = BIO_new_file("encrout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("encrout.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Decrypt S/MIME message */
-	if (!PKCS7_decrypt(p7, rkey, rcert, out, 0))
-		goto err;
+    /* Decrypt S/MIME message */
+    if (!PKCS7_decrypt(p7, rkey, rcert, out, 0))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Signing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
-
-	if (p7)
-		PKCS7_free(p7);
-	if (rcert)
-		X509_free(rcert);
-	if (rkey)
-		EVP_PKEY_free(rkey);
-
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
-
-	return ret;
-
-	}
+    if (ret) {
+        fprintf(stderr, "Error Signing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
+    if (p7)
+        PKCS7_free(p7);
+    if (rcert)
+        X509_free(rcert);
+    if (rkey)
+        EVP_PKEY_free(rkey);
 
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
+    return ret;
 
+}
diff --git a/openssl/demos/smime/smenc.c b/openssl/demos/smime/smenc.c
index 77dd732fc..18bf7b161 100644
--- a/openssl/demos/smime/smenc.c
+++ b/openssl/demos/smime/smenc.c
@@ -4,89 +4,89 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *rcert = NULL;
-	STACK_OF(X509) *recips = NULL;
-	PKCS7 *p7 = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *rcert = NULL;
+    STACK_OF(X509) *recips = NULL;
+    PKCS7 *p7 = NULL;
+    int ret = 1;
 
-	/*
-	 * On OpenSSL 0.9.9 only:
-	 * for streaming set PKCS7_STREAM
-	 */
-	int flags = PKCS7_STREAM;
+    /*
+     * On OpenSSL 0.9.9 only:
+     * for streaming set PKCS7_STREAM
+     */
+    int flags = PKCS7_STREAM;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in recipient certificate */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in recipient certificate */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	if (!rcert)
-		goto err;
+    if (!rcert)
+        goto err;
 
-	/* Create recipient STACK and add recipient cert to it */
-	recips = sk_X509_new_null();
+    /* Create recipient STACK and add recipient cert to it */
+    recips = sk_X509_new_null();
 
-	if (!recips || !sk_X509_push(recips, rcert))
-		goto err;
+    if (!recips || !sk_X509_push(recips, rcert))
+        goto err;
 
-	/* sk_X509_pop_free will free up recipient STACK and its contents
-	 * so set rcert to NULL so it isn't freed up twice.
-	 */
-	rcert = NULL;
+    /*
+     * sk_X509_pop_free will free up recipient STACK and its contents so set
+     * rcert to NULL so it isn't freed up twice.
+     */
+    rcert = NULL;
 
-	/* Open content being encrypted */
+    /* Open content being encrypted */
 
-	in = BIO_new_file("encr.txt", "r");
+    in = BIO_new_file("encr.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* encrypt content */
-	p7 = PKCS7_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
+    /* encrypt content */
+    p7 = PKCS7_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
 
-	if (!p7)
-		goto err;
+    if (!p7)
+        goto err;
 
-	out = BIO_new_file("smencr.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smencr.txt", "w");
+    if (!out)
+        goto err;
 
-	/* Write out S/MIME message */
-	if (!SMIME_write_PKCS7(out, p7, in, flags))
-		goto err;
+    /* Write out S/MIME message */
+    if (!SMIME_write_PKCS7(out, p7, in, flags))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Encrypting Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Encrypting Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (p7)
-		PKCS7_free(p7);
-	if (rcert)
-		X509_free(rcert);
-	if (recips)
-		sk_X509_pop_free(recips, X509_free);
+    if (p7)
+        PKCS7_free(p7);
+    if (rcert)
+        X509_free(rcert);
+    if (recips)
+        sk_X509_pop_free(recips, X509_free);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/smime/smsign.c b/openssl/demos/smime/smsign.c
index ba78830cf..c7bf86d37 100644
--- a/openssl/demos/smime/smsign.c
+++ b/openssl/demos/smime/smsign.c
@@ -4,86 +4,85 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *scert = NULL;
-	EVP_PKEY *skey = NULL;
-	PKCS7 *p7 = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *scert = NULL;
+    EVP_PKEY *skey = NULL;
+    PKCS7 *p7 = NULL;
+    int ret = 1;
 
-	/* For simple S/MIME signing use PKCS7_DETACHED.
-	 * On OpenSSL 0.9.9 only:
-	 * for streaming detached set PKCS7_DETACHED|PKCS7_STREAM
-	 * for streaming non-detached set PKCS7_STREAM
-	 */
-	int flags = PKCS7_DETACHED|PKCS7_STREAM;
+    /*
+     * For simple S/MIME signing use PKCS7_DETACHED. On OpenSSL 0.9.9 only:
+     * for streaming detached set PKCS7_DETACHED|PKCS7_STREAM for streaming
+     * non-detached set PKCS7_STREAM
+     */
+    int flags = PKCS7_DETACHED | PKCS7_STREAM;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Read in signer certificate and private key */
-	tbio = BIO_new_file("signer.pem", "r");
+    /* Read in signer certificate and private key */
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!scert || !skey)
-		goto err;
+    if (!scert || !skey)
+        goto err;
 
-	/* Open content being signed */
+    /* Open content being signed */
 
-	in = BIO_new_file("sign.txt", "r");
+    in = BIO_new_file("sign.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Sign content */
-	p7 = PKCS7_sign(scert, skey, NULL, in, flags);
+    /* Sign content */
+    p7 = PKCS7_sign(scert, skey, NULL, in, flags);
 
-	if (!p7)
-		goto err;
+    if (!p7)
+        goto err;
 
-	out = BIO_new_file("smout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smout.txt", "w");
+    if (!out)
+        goto err;
 
-	if (!(flags & PKCS7_STREAM))
-		BIO_reset(in);
+    if (!(flags & PKCS7_STREAM))
+        BIO_reset(in);
 
-	/* Write out S/MIME message */
-	if (!SMIME_write_PKCS7(out, p7, in, flags))
-		goto err;
+    /* Write out S/MIME message */
+    if (!SMIME_write_PKCS7(out, p7, in, flags))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Signing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Signing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (p7)
-		PKCS7_free(p7);
-	if (scert)
-		X509_free(scert);
-	if (skey)
-		EVP_PKEY_free(skey);
+    if (p7)
+        PKCS7_free(p7);
+    if (scert)
+        X509_free(scert);
+    if (skey)
+        EVP_PKEY_free(skey);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/smime/smsign2.c b/openssl/demos/smime/smsign2.c
index ff835c568..a11609434 100644
--- a/openssl/demos/smime/smsign2.c
+++ b/openssl/demos/smime/smsign2.c
@@ -4,104 +4,99 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL;
-	X509 *scert = NULL, *scert2 = NULL;
-	EVP_PKEY *skey = NULL, *skey2 = NULL;
-	PKCS7 *p7 = NULL;
-	int ret = 1;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL;
+    X509 *scert = NULL, *scert2 = NULL;
+    EVP_PKEY *skey = NULL, *skey2 = NULL;
+    PKCS7 *p7 = NULL;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	tbio = BIO_new_file("signer.pem", "r");
+    tbio = BIO_new_file("signer.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	BIO_free(tbio);
+    BIO_free(tbio);
 
-	tbio = BIO_new_file("signer2.pem", "r");
+    tbio = BIO_new_file("signer2.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	scert2 = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    scert2 = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	BIO_reset(tbio);
+    BIO_reset(tbio);
 
-	skey2 = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
+    skey2 = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);
 
-	if (!scert2 || !skey2)
-		goto err;
+    if (!scert2 || !skey2)
+        goto err;
 
-	in = BIO_new_file("sign.txt", "r");
+    in = BIO_new_file("sign.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	p7 = PKCS7_sign(NULL, NULL, NULL, in, PKCS7_STREAM|PKCS7_PARTIAL);
+    p7 = PKCS7_sign(NULL, NULL, NULL, in, PKCS7_STREAM | PKCS7_PARTIAL);
 
-	if (!p7)
-		goto err;
+    if (!p7)
+        goto err;
 
-	/* Add each signer in turn */
+    /* Add each signer in turn */
 
-	if (!PKCS7_sign_add_signer(p7, scert, skey, NULL, 0))
-		goto err;
+    if (!PKCS7_sign_add_signer(p7, scert, skey, NULL, 0))
+        goto err;
 
-	if (!PKCS7_sign_add_signer(p7, scert2, skey2, NULL, 0))
-		goto err;
+    if (!PKCS7_sign_add_signer(p7, scert2, skey2, NULL, 0))
+        goto err;
 
-	out = BIO_new_file("smout.txt", "w");
-	if (!out)
-		goto err;
+    out = BIO_new_file("smout.txt", "w");
+    if (!out)
+        goto err;
 
-	/* NB: content included and finalized by SMIME_write_PKCS7 */
+    /* NB: content included and finalized by SMIME_write_PKCS7 */
 
-	if (!SMIME_write_PKCS7(out, p7, in, PKCS7_STREAM))
-		goto err;
+    if (!SMIME_write_PKCS7(out, p7, in, PKCS7_STREAM))
+        goto err;
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Signing Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Signing Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (p7)
-		PKCS7_free(p7);
+    if (p7)
+        PKCS7_free(p7);
 
-	if (scert)
-		X509_free(scert);
-	if (skey)
-		EVP_PKEY_free(skey);
-
-	if (scert2)
-		X509_free(scert2);
-	if (skey)
-		EVP_PKEY_free(skey2);
-
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
-
-	return ret;
-
-	}
+    if (scert)
+        X509_free(scert);
+    if (skey)
+        EVP_PKEY_free(skey);
 
+    if (scert2)
+        X509_free(scert2);
+    if (skey)
+        EVP_PKEY_free(skey2);
 
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
+    return ret;
 
+}
diff --git a/openssl/demos/smime/smver.c b/openssl/demos/smime/smver.c
index 9d360c273..21937df30 100644
--- a/openssl/demos/smime/smver.c
+++ b/openssl/demos/smime/smver.c
@@ -4,84 +4,82 @@
 #include <openssl/err.h>
 
 int main(int argc, char **argv)
-	{
-	BIO *in = NULL, *out = NULL, *tbio = NULL, *cont = NULL;
-	X509_STORE *st = NULL;
-	X509 *cacert = NULL;
-	PKCS7 *p7 = NULL;
+{
+    BIO *in = NULL, *out = NULL, *tbio = NULL, *cont = NULL;
+    X509_STORE *st = NULL;
+    X509 *cacert = NULL;
+    PKCS7 *p7 = NULL;
 
-	int ret = 1;
+    int ret = 1;
 
-	OpenSSL_add_all_algorithms();
-	ERR_load_crypto_strings();
+    OpenSSL_add_all_algorithms();
+    ERR_load_crypto_strings();
 
-	/* Set up trusted CA certificate store */
+    /* Set up trusted CA certificate store */
 
-	st = X509_STORE_new();
+    st = X509_STORE_new();
 
-	/* Read in signer certificate and private key */
-	tbio = BIO_new_file("cacert.pem", "r");
+    /* Read in signer certificate and private key */
+    tbio = BIO_new_file("cacert.pem", "r");
 
-	if (!tbio)
-		goto err;
+    if (!tbio)
+        goto err;
 
-	cacert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+    cacert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
 
-	if (!cacert)
-		goto err;
+    if (!cacert)
+        goto err;
 
-	if (!X509_STORE_add_cert(st, cacert))
-		goto err;
+    if (!X509_STORE_add_cert(st, cacert))
+        goto err;
 
-	/* Open content being signed */
+    /* Open content being signed */
 
-	in = BIO_new_file("smout.txt", "r");
+    in = BIO_new_file("smout.txt", "r");
 
-	if (!in)
-		goto err;
+    if (!in)
+        goto err;
 
-	/* Sign content */
-	p7 = SMIME_read_PKCS7(in, &cont);
+    /* Sign content */
+    p7 = SMIME_read_PKCS7(in, &cont);
 
-	if (!p7)
-		goto err;
+    if (!p7)
+        goto err;
 
-	/* File to output verified content to */
-	out = BIO_new_file("smver.txt", "w");
-	if (!out)
-		goto err;
+    /* File to output verified content to */
+    out = BIO_new_file("smver.txt", "w");
+    if (!out)
+        goto err;
 
-	if (!PKCS7_verify(p7, NULL, st, cont, out, 0))
-		{
-		fprintf(stderr, "Verification Failure\n");
-		goto err;
-		}
+    if (!PKCS7_verify(p7, NULL, st, cont, out, 0)) {
+        fprintf(stderr, "Verification Failure\n");
+        goto err;
+    }
 
-	fprintf(stderr, "Verification Successful\n");
+    fprintf(stderr, "Verification Successful\n");
 
-	ret = 0;
+    ret = 0;
 
-	err:
+ err:
 
-	if (ret)
-		{
-		fprintf(stderr, "Error Verifying Data\n");
-		ERR_print_errors_fp(stderr);
-		}
+    if (ret) {
+        fprintf(stderr, "Error Verifying Data\n");
+        ERR_print_errors_fp(stderr);
+    }
 
-	if (p7)
-		PKCS7_free(p7);
+    if (p7)
+        PKCS7_free(p7);
 
-	if (cacert)
-		X509_free(cacert);
+    if (cacert)
+        X509_free(cacert);
 
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free(out);
-	if (tbio)
-		BIO_free(tbio);
+    if (in)
+        BIO_free(in);
+    if (out)
+        BIO_free(out);
+    if (tbio)
+        BIO_free(tbio);
 
-	return ret;
+    return ret;
 
-	}
+}
diff --git a/openssl/demos/spkigen.c b/openssl/demos/spkigen.c
index 2cd5dfea9..c272a8c22 100644
--- a/openssl/demos/spkigen.c
+++ b/openssl/demos/spkigen.c
@@ -1,8 +1,9 @@
 /* NOCW */
-/* demos/spkigen.c
- * 18-Mar-1997 - eay - A quick hack :-) 
- * 		version 1.1, it would probably help to save or load the
- *		private key :-)
+/*-
+ * demos/spkigen.c
+ * 18-Mar-1997 - eay - A quick hack :-)
+ *              version 1.1, it would probably help to save or load the
+ *              private key :-)
  */
 #include <stdio.h>
 #include <stdlib.h>
@@ -13,149 +14,159 @@
 #include <openssl/x509.h>
 #include <openssl/pem.h>
 
-/* The following two don't exist in SSLeay but they are in here as
- * examples */
+/*
+ * The following two don't exist in SSLeay but they are in here as examples
+ */
 #define PEM_write_SPKI(fp,x) \
-	PEM_ASN1_write((int (*)())i2d_NETSCAPE_SPKI,"SPKI",fp,\
-			(char *)x,NULL,NULL,0,NULL)
+        PEM_ASN1_write((int (*)())i2d_NETSCAPE_SPKI,"SPKI",fp,\
+                        (char *)x,NULL,NULL,0,NULL)
 int SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey);
 
 /* These are defined in the next version of SSLeay */
-int EVP_PKEY_assign(EVP_PKEY *pkey, int type,char *key);
-#define RSA_F4	0x10001
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key);
+#define RSA_F4  0x10001
 #define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
-					(char *)(rsa))
+                                        (char *)(rsa))
 
-int main(argc,argv)
+int main(argc, argv)
 int argc;
 char *argv[];
-	{
-	RSA *rsa=NULL;
-	NETSCAPE_SPKI *spki=NULL;
-	EVP_PKEY *pkey=NULL;
-	char buf[128];
-	int ok=0,i;
-	FILE *fp;
-
-	pkey=EVP_PKEY_new();
-	 
-	if (argc < 2)
-		{
-		/* Generate an RSA key, the random state should have been seeded
-		 * with lots of calls to RAND_seed(....) */
-		fprintf(stderr,"generating RSA key, could take some time...\n");
-		if ((rsa=RSA_generate_key(512,RSA_F4,NULL)) == NULL) goto err;
-		}
-	else
-		{
-		if ((fp=fopen(argv[1],"r")) == NULL)
-			{ perror(argv[1]); goto err; }
-		if ((rsa=PEM_read_RSAPrivateKey(fp,NULL,NULL)) == NULL)
-			goto err;
-		fclose(fp);
-		}
-	
-	if (!EVP_PKEY_assign_RSA(pkey,rsa)) goto err;
-	rsa=NULL;
-
-	/* lets make the spki and set the public key and challenge */
-	if ((spki=NETSCAPE_SPKI_new()) == NULL) goto err;
-
-	if (!SPKI_set_pubkey(spki,pkey)) goto err;
-
-	fprintf(stderr,"please enter challenge string:");
-	fflush(stderr);
-	buf[0]='\0';
-	fgets(buf,sizeof buf,stdin);
-	i=strlen(buf);
-	if (i > 0) buf[--i]='\0';
-	if (!ASN1_STRING_set((ASN1_STRING *)spki->spkac->challenge,
-		buf,i)) goto err;
-
-	if (!NETSCAPE_SPKI_sign(spki,pkey,EVP_md5())) goto err;
-	PEM_write_SPKI(stdout,spki);
-	if (argc < 2)
-		PEM_write_RSAPrivateKey(stdout,pkey->pkey.rsa,NULL,NULL,0,NULL);
-
-	ok=1;
-err:
-	if (!ok)
-		{
-		fprintf(stderr,"something bad happened....");
-		ERR_print_errors_fp(stderr);
-		}
-	NETSCAPE_SPKI_free(spki);
-	EVP_PKEY_free(pkey);
-	exit(!ok);
-	}
+{
+    RSA *rsa = NULL;
+    NETSCAPE_SPKI *spki = NULL;
+    EVP_PKEY *pkey = NULL;
+    char buf[128];
+    int ok = 0, i;
+    FILE *fp;
+
+    pkey = EVP_PKEY_new();
+
+    if (argc < 2) {
+        /*
+         * Generate an RSA key, the random state should have been seeded with
+         * lots of calls to RAND_seed(....)
+         */
+        fprintf(stderr, "generating RSA key, could take some time...\n");
+        if ((rsa = RSA_generate_key(512, RSA_F4, NULL)) == NULL)
+            goto err;
+    } else {
+        if ((fp = fopen(argv[1], "r")) == NULL) {
+            perror(argv[1]);
+            goto err;
+        }
+        if ((rsa = PEM_read_RSAPrivateKey(fp, NULL, NULL)) == NULL)
+            goto err;
+        fclose(fp);
+    }
+
+    if (!EVP_PKEY_assign_RSA(pkey, rsa))
+        goto err;
+    rsa = NULL;
+
+    /* lets make the spki and set the public key and challenge */
+    if ((spki = NETSCAPE_SPKI_new()) == NULL)
+        goto err;
+
+    if (!SPKI_set_pubkey(spki, pkey))
+        goto err;
+
+    fprintf(stderr, "please enter challenge string:");
+    fflush(stderr);
+    buf[0] = '\0';
+    fgets(buf, sizeof buf, stdin);
+    i = strlen(buf);
+    if (i > 0)
+        buf[--i] = '\0';
+    if (!ASN1_STRING_set((ASN1_STRING *)spki->spkac->challenge, buf, i))
+        goto err;
+
+    if (!NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()))
+        goto err;
+    PEM_write_SPKI(stdout, spki);
+    if (argc < 2)
+        PEM_write_RSAPrivateKey(stdout, pkey->pkey.rsa, NULL, NULL, 0, NULL);
+
+    ok = 1;
+ err:
+    if (!ok) {
+        fprintf(stderr, "something bad happened....");
+        ERR_print_errors_fp(stderr);
+    }
+    NETSCAPE_SPKI_free(spki);
+    EVP_PKEY_free(pkey);
+    exit(!ok);
+}
 
 /* This function is in the next version of SSLeay */
-int EVP_PKEY_assign(pkey,type,key)
+int EVP_PKEY_assign(pkey, type, key)
 EVP_PKEY *pkey;
 int type;
 char *key;
-	{
-	if (pkey == NULL) return(0);
-	if (pkey->pkey.ptr != NULL)
-		{
-		if (pkey->type == EVP_PKEY_RSA)
-			RSA_free(pkey->pkey.rsa);
-		/* else memory leak */
-		}
-	pkey->type=type;
-	pkey->pkey.ptr=key;
-	return(1);
-	}
-
-/* While I have a 
- * X509_set_pubkey() and X509_REQ_set_pubkey(), SPKI_set_pubkey() does
- * not currently exist so here is a version of it.
- * The next SSLeay release will probably have
- * X509_set_pubkey(),
- * X509_REQ_set_pubkey() and
- * NETSCAPE_SPKI_set_pubkey()
- * as macros calling the same function */
-int SPKI_set_pubkey(x,pkey)
+{
+    if (pkey == NULL)
+        return (0);
+    if (pkey->pkey.ptr != NULL) {
+        if (pkey->type == EVP_PKEY_RSA)
+            RSA_free(pkey->pkey.rsa);
+        /* else memory leak */
+    }
+    pkey->type = type;
+    pkey->pkey.ptr = key;
+    return (1);
+}
+
+/*
+ * While I have a X509_set_pubkey() and X509_REQ_set_pubkey(),
+ * SPKI_set_pubkey() does not currently exist so here is a version of it. The
+ * next SSLeay release will probably have X509_set_pubkey(),
+ * X509_REQ_set_pubkey() and NETSCAPE_SPKI_set_pubkey() as macros calling the
+ * same function
+ */
+int SPKI_set_pubkey(x, pkey)
 NETSCAPE_SPKI *x;
 EVP_PKEY *pkey;
-	{
-	int ok=0;
-	X509_PUBKEY *pk;
-	X509_ALGOR *a;
-	ASN1_OBJECT *o;
-	unsigned char *s,*p;
-	int i;
-
-	if (x == NULL) return(0);
-
-	if ((pk=X509_PUBKEY_new()) == NULL) goto err;
-	a=pk->algor;
-
-	/* set the algorithm id */
-	if ((o=OBJ_nid2obj(pkey->type)) == NULL) goto err;
-	ASN1_OBJECT_free(a->algorithm);
-	a->algorithm=o;
-
-	/* Set the parameter list */
-	if ((a->parameter == NULL) || (a->parameter->type != V_ASN1_NULL))
-		{
-		ASN1_TYPE_free(a->parameter);
-		a->parameter=ASN1_TYPE_new();
-		a->parameter->type=V_ASN1_NULL;
-		}
-	i=i2d_PublicKey(pkey,NULL);
-	if ((s=(unsigned char *)malloc(i+1)) == NULL) goto err;
-	p=s;
-	i2d_PublicKey(pkey,&p);
-	if (!ASN1_BIT_STRING_set(pk->public_key,s,i)) goto err;
-	free(s);
-
-	X509_PUBKEY_free(x->spkac->pubkey);
-	x->spkac->pubkey=pk;
-	pk=NULL;
-	ok=1;
-err:
-	if (pk != NULL) X509_PUBKEY_free(pk);
-	return(ok);
-	}
-
+{
+    int ok = 0;
+    X509_PUBKEY *pk;
+    X509_ALGOR *a;
+    ASN1_OBJECT *o;
+    unsigned char *s, *p;
+    int i;
+
+    if (x == NULL)
+        return (0);
+
+    if ((pk = X509_PUBKEY_new()) == NULL)
+        goto err;
+    a = pk->algor;
+
+    /* set the algorithm id */
+    if ((o = OBJ_nid2obj(pkey->type)) == NULL)
+        goto err;
+    ASN1_OBJECT_free(a->algorithm);
+    a->algorithm = o;
+
+    /* Set the parameter list */
+    if ((a->parameter == NULL) || (a->parameter->type != V_ASN1_NULL)) {
+        ASN1_TYPE_free(a->parameter);
+        a->parameter = ASN1_TYPE_new();
+        a->parameter->type = V_ASN1_NULL;
+    }
+    i = i2d_PublicKey(pkey, NULL);
+    if ((s = (unsigned char *)malloc(i + 1)) == NULL)
+        goto err;
+    p = s;
+    i2d_PublicKey(pkey, &p);
+    if (!ASN1_BIT_STRING_set(pk->public_key, s, i))
+        goto err;
+    free(s);
+
+    X509_PUBKEY_free(x->spkac->pubkey);
+    x->spkac->pubkey = pk;
+    pk = NULL;
+    ok = 1;
+ err:
+    if (pk != NULL)
+        X509_PUBKEY_free(pk);
+    return (ok);
+}
diff --git a/openssl/demos/state_machine/state_machine.c b/openssl/demos/state_machine/state_machine.c
index fef3f3e3d..2ec196aff 100644
--- a/openssl/demos/state_machine/state_machine.c
+++ b/openssl/demos/state_machine/state_machine.c
@@ -6,7 +6,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -83,334 +83,325 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 
-/* die_unless is intended to work like assert, except that it happens
-   always, even if NDEBUG is defined. Use assert as a stopgap. */
+/*
+ * die_unless is intended to work like assert, except that it happens always,
+ * even if NDEBUG is defined. Use assert as a stopgap.
+ */
 
-#define die_unless(x)	assert(x)
+#define die_unless(x)   assert(x)
 
-typedef struct
-    {
+typedef struct {
     SSL_CTX *pCtx;
     BIO *pbioRead;
     BIO *pbioWrite;
     SSL *pSSL;
-    } SSLStateMachine;
+} SSLStateMachine;
 
-void SSLStateMachine_print_error(SSLStateMachine *pMachine,const char *szErr)
-    {
+void SSLStateMachine_print_error(SSLStateMachine * pMachine,
+                                 const char *szErr)
+{
     unsigned long l;
 
-    fprintf(stderr,"%s\n",szErr);
-    while((l=ERR_get_error()))
-	{
-	char buf[1024];
+    fprintf(stderr, "%s\n", szErr);
+    while ((l = ERR_get_error())) {
+        char buf[1024];
 
-	ERR_error_string_n(l,buf,sizeof buf);
-	fprintf(stderr,"Error %lx: %s\n",l,buf);
-	}
+        ERR_error_string_n(l, buf, sizeof buf);
+        fprintf(stderr, "Error %lx: %s\n", l, buf);
     }
+}
 
 SSLStateMachine *SSLStateMachine_new(const char *szCertificateFile,
-				     const char *szKeyFile)
-    {
-    SSLStateMachine *pMachine=malloc(sizeof *pMachine);
+                                     const char *szKeyFile)
+{
+    SSLStateMachine *pMachine = malloc(sizeof *pMachine);
     int n;
 
     die_unless(pMachine);
 
-    pMachine->pCtx=SSL_CTX_new(SSLv23_server_method());
+    pMachine->pCtx = SSL_CTX_new(SSLv23_server_method());
     die_unless(pMachine->pCtx);
 
-    n=SSL_CTX_use_certificate_file(pMachine->pCtx,szCertificateFile,
-				   SSL_FILETYPE_PEM);
+    n = SSL_CTX_use_certificate_file(pMachine->pCtx, szCertificateFile,
+                                     SSL_FILETYPE_PEM);
     die_unless(n > 0);
 
-    n=SSL_CTX_use_PrivateKey_file(pMachine->pCtx,szKeyFile,SSL_FILETYPE_PEM);
+    n = SSL_CTX_use_PrivateKey_file(pMachine->pCtx, szKeyFile,
+                                    SSL_FILETYPE_PEM);
     die_unless(n > 0);
 
-    pMachine->pSSL=SSL_new(pMachine->pCtx);
+    pMachine->pSSL = SSL_new(pMachine->pCtx);
     die_unless(pMachine->pSSL);
 
-    pMachine->pbioRead=BIO_new(BIO_s_mem());
+    pMachine->pbioRead = BIO_new(BIO_s_mem());
 
-    pMachine->pbioWrite=BIO_new(BIO_s_mem());
+    pMachine->pbioWrite = BIO_new(BIO_s_mem());
 
-    SSL_set_bio(pMachine->pSSL,pMachine->pbioRead,pMachine->pbioWrite);
+    SSL_set_bio(pMachine->pSSL, pMachine->pbioRead, pMachine->pbioWrite);
 
     SSL_set_accept_state(pMachine->pSSL);
 
     return pMachine;
-    }
-
-void SSLStateMachine_read_inject(SSLStateMachine *pMachine,
-				 const unsigned char *aucBuf,int nBuf)
-    {
-    int n=BIO_write(pMachine->pbioRead,aucBuf,nBuf);
-    /* If it turns out this assert fails, then buffer the data here
-     * and just feed it in in churn instead. Seems to me that it
-     * should be guaranteed to succeed, though.
+}
+
+void SSLStateMachine_read_inject(SSLStateMachine * pMachine,
+                                 const unsigned char *aucBuf, int nBuf)
+{
+    int n = BIO_write(pMachine->pbioRead, aucBuf, nBuf);
+    /*
+     * If it turns out this assert fails, then buffer the data here and just
+     * feed it in in churn instead. Seems to me that it should be guaranteed
+     * to succeed, though.
      */
     assert(n == nBuf);
-    fprintf(stderr,"%d bytes of encrypted data fed to state machine\n",n);
-    }
+    fprintf(stderr, "%d bytes of encrypted data fed to state machine\n", n);
+}
 
-int SSLStateMachine_read_extract(SSLStateMachine *pMachine,
-				 unsigned char *aucBuf,int nBuf)
-    {
+int SSLStateMachine_read_extract(SSLStateMachine * pMachine,
+                                 unsigned char *aucBuf, int nBuf)
+{
     int n;
 
-    if(!SSL_is_init_finished(pMachine->pSSL))
-	{
-	fprintf(stderr,"Doing SSL_accept\n");
-	n=SSL_accept(pMachine->pSSL);
-	if(n == 0)
-	    fprintf(stderr,"SSL_accept returned zero\n");
-	if(n < 0)
-	    {
-	    int err;
-
-	    if((err=SSL_get_error(pMachine->pSSL,n)) == SSL_ERROR_WANT_READ)
-		{
-		fprintf(stderr,"SSL_accept wants more data\n");
-		return 0;
-		}
-
-	    SSLStateMachine_print_error(pMachine,"SSL_accept error");
-	    exit(7);
-	    }
-	return 0;
-	}
-
-    n=SSL_read(pMachine->pSSL,aucBuf,nBuf);
-    if(n < 0)
-	{
-	int err=SSL_get_error(pMachine->pSSL,n);
-
-	if(err == SSL_ERROR_WANT_READ)
-	    {
-	    fprintf(stderr,"SSL_read wants more data\n");
-	    return 0;
-	    }
-
-	SSLStateMachine_print_error(pMachine,"SSL_read error");
-	exit(8);
-	}
-
-    fprintf(stderr,"%d bytes of decrypted data read from state machine\n",n);
-    return n;
+    if (!SSL_is_init_finished(pMachine->pSSL)) {
+        fprintf(stderr, "Doing SSL_accept\n");
+        n = SSL_accept(pMachine->pSSL);
+        if (n == 0)
+            fprintf(stderr, "SSL_accept returned zero\n");
+        if (n < 0) {
+            int err;
+
+            if ((err =
+                 SSL_get_error(pMachine->pSSL, n)) == SSL_ERROR_WANT_READ) {
+                fprintf(stderr, "SSL_accept wants more data\n");
+                return 0;
+            }
+
+            SSLStateMachine_print_error(pMachine, "SSL_accept error");
+            exit(7);
+        }
+        return 0;
     }
 
-int SSLStateMachine_write_can_extract(SSLStateMachine *pMachine)
-    {
-    int n=BIO_pending(pMachine->pbioWrite);
-    if(n)
-	fprintf(stderr,"There is encrypted data available to write\n");
+    n = SSL_read(pMachine->pSSL, aucBuf, nBuf);
+    if (n < 0) {
+        int err = SSL_get_error(pMachine->pSSL, n);
+
+        if (err == SSL_ERROR_WANT_READ) {
+            fprintf(stderr, "SSL_read wants more data\n");
+            return 0;
+        }
+
+        SSLStateMachine_print_error(pMachine, "SSL_read error");
+        exit(8);
+    }
+
+    fprintf(stderr, "%d bytes of decrypted data read from state machine\n",
+            n);
+    return n;
+}
+
+int SSLStateMachine_write_can_extract(SSLStateMachine * pMachine)
+{
+    int n = BIO_pending(pMachine->pbioWrite);
+    if (n)
+        fprintf(stderr, "There is encrypted data available to write\n");
     else
-	fprintf(stderr,"There is no encrypted data available to write\n");
+        fprintf(stderr, "There is no encrypted data available to write\n");
 
     return n;
-    }
+}
 
-int SSLStateMachine_write_extract(SSLStateMachine *pMachine,
-				  unsigned char *aucBuf,int nBuf)
-    {
+int SSLStateMachine_write_extract(SSLStateMachine * pMachine,
+                                  unsigned char *aucBuf, int nBuf)
+{
     int n;
 
-    n=BIO_read(pMachine->pbioWrite,aucBuf,nBuf);
-    fprintf(stderr,"%d bytes of encrypted data read from state machine\n",n);
+    n = BIO_read(pMachine->pbioWrite, aucBuf, nBuf);
+    fprintf(stderr, "%d bytes of encrypted data read from state machine\n",
+            n);
     return n;
-    }
-
-void SSLStateMachine_write_inject(SSLStateMachine *pMachine,
-				  const unsigned char *aucBuf,int nBuf)
-    {
-    int n=SSL_write(pMachine->pSSL,aucBuf,nBuf);
-    /* If it turns out this assert fails, then buffer the data here
-     * and just feed it in in churn instead. Seems to me that it
-     * should be guaranteed to succeed, though.
+}
+
+void SSLStateMachine_write_inject(SSLStateMachine * pMachine,
+                                  const unsigned char *aucBuf, int nBuf)
+{
+    int n = SSL_write(pMachine->pSSL, aucBuf, nBuf);
+    /*
+     * If it turns out this assert fails, then buffer the data here and just
+     * feed it in in churn instead. Seems to me that it should be guaranteed
+     * to succeed, though.
      */
     assert(n == nBuf);
-    fprintf(stderr,"%d bytes of unencrypted data fed to state machine\n",n);
-    }
+    fprintf(stderr, "%d bytes of unencrypted data fed to state machine\n", n);
+}
 
 int OpenSocket(int nPort)
-    {
+{
     int nSocket;
     struct sockaddr_in saServer;
     struct sockaddr_in saClient;
-    int one=1;
+    int one = 1;
     int nSize;
     int nFD;
     int nLen;
 
-    nSocket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
-    if(nSocket < 0)
-	{
-	perror("socket");
-	exit(1);
-	}
+    nSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    if (nSocket < 0) {
+        perror("socket");
+        exit(1);
+    }
 
-    if(setsockopt(nSocket,SOL_SOCKET,SO_REUSEADDR,(char *)&one,sizeof one) < 0)
-	{
-	perror("setsockopt");
+    if (setsockopt
+        (nSocket, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof one) < 0) {
+        perror("setsockopt");
         exit(2);
-	}
-
-    memset(&saServer,0,sizeof saServer);
-    saServer.sin_family=AF_INET;
-    saServer.sin_port=htons(nPort);
-    nSize=sizeof saServer;
-    if(bind(nSocket,(struct sockaddr *)&saServer,nSize) < 0)
-	{
-	perror("bind");
-	exit(3);
-	}
-
-    if(listen(nSocket,512) < 0)
-	{
-	perror("listen");
-	exit(4);
-	}
-
-    nLen=sizeof saClient;
-    nFD=accept(nSocket,(struct sockaddr *)&saClient,&nLen);
-    if(nFD < 0)
-	{
-	perror("accept");
-	exit(5);
-	}
-
-    fprintf(stderr,"Incoming accepted on port %d\n",nPort);
+    }
 
-    return nFD;
+    memset(&saServer, 0, sizeof saServer);
+    saServer.sin_family = AF_INET;
+    saServer.sin_port = htons(nPort);
+    nSize = sizeof saServer;
+    if (bind(nSocket, (struct sockaddr *)&saServer, nSize) < 0) {
+        perror("bind");
+        exit(3);
+    }
+
+    if (listen(nSocket, 512) < 0) {
+        perror("listen");
+        exit(4);
+    }
+
+    nLen = sizeof saClient;
+    nFD = accept(nSocket, (struct sockaddr *)&saClient, &nLen);
+    if (nFD < 0) {
+        perror("accept");
+        exit(5);
     }
 
-int main(int argc,char **argv)
-    {
+    fprintf(stderr, "Incoming accepted on port %d\n", nPort);
+
+    return nFD;
+}
+
+int main(int argc, char **argv)
+{
     SSLStateMachine *pMachine;
     int nPort;
     int nFD;
     const char *szCertificateFile;
     const char *szKeyFile;
     char rbuf[1];
-    int nrbuf=0;
+    int nrbuf = 0;
 
-    if(argc != 4)
-	{
-	fprintf(stderr,"%s <port> <certificate file> <key file>\n",argv[0]);
-	exit(6);
-	}
+    if (argc != 4) {
+        fprintf(stderr, "%s <port> <certificate file> <key file>\n", argv[0]);
+        exit(6);
+    }
 
-    nPort=atoi(argv[1]);
-    szCertificateFile=argv[2];
-    szKeyFile=argv[3];
+    nPort = atoi(argv[1]);
+    szCertificateFile = argv[2];
+    szKeyFile = argv[3];
 
     SSL_library_init();
     OpenSSL_add_ssl_algorithms();
     SSL_load_error_strings();
     ERR_load_crypto_strings();
 
-    nFD=OpenSocket(nPort);
-
-    pMachine=SSLStateMachine_new(szCertificateFile,szKeyFile);
-
-    for( ; ; )
-	{
-	fd_set rfds,wfds;
-	unsigned char buf[1024];
-	int n;
-
-	FD_ZERO(&rfds);
-	FD_ZERO(&wfds);
-
-	/* Select socket for input */
-	FD_SET(nFD,&rfds);
-
-	/* check whether there's decrypted data */
-	if(!nrbuf)
-	    nrbuf=SSLStateMachine_read_extract(pMachine,rbuf,1);
-
-	/* if there's decrypted data, check whether we can write it */
-	if(nrbuf)
-	    FD_SET(1,&wfds);
-
-	/* Select socket for output */
-	if(SSLStateMachine_write_can_extract(pMachine))
-	    FD_SET(nFD,&wfds);
-
-	/* Select stdin for input */
-	FD_SET(0,&rfds);
-
-	/* Wait for something to do something */
-	n=select(nFD+1,&rfds,&wfds,NULL,NULL);
-	assert(n > 0);
-
-	/* Socket is ready for input */
-	if(FD_ISSET(nFD,&rfds))
-	    {
-	    n=read(nFD,buf,sizeof buf);
-	    if(n == 0)
-		{
-		fprintf(stderr,"Got EOF on socket\n");
-		exit(0);
-		}
-	    assert(n > 0);
-
-	    SSLStateMachine_read_inject(pMachine,buf,n);
-	    }
-
-	/* stdout is ready for output (and hence we have some to send it) */
-	if(FD_ISSET(1,&wfds))
-	    {
-	    assert(nrbuf == 1);
-	    buf[0]=rbuf[0];
-	    nrbuf=0;
-
-	    n=SSLStateMachine_read_extract(pMachine,buf+1,sizeof buf-1);
-	    if(n < 0)
-		{
-		SSLStateMachine_print_error(pMachine,"read extract failed");
-		break;
-		}
-	    assert(n >= 0);
-	    ++n;
-	    if(n > 0) /* FIXME: has to be true now */
-		{
-		int w;
-		
-		w=write(1,buf,n);
-		/* FIXME: we should push back any unwritten data */
-		assert(w == n);
-		}
-	    }
-
-	/* Socket is ready for output (and therefore we have output to send) */
-	if(FD_ISSET(nFD,&wfds))
-	    {
-	    int w;
-
-	    n=SSLStateMachine_write_extract(pMachine,buf,sizeof buf);
-	    assert(n > 0);
-
-	    w=write(nFD,buf,n);
-	    /* FIXME: we should push back any unwritten data */
-	    assert(w == n);
-	    }
-
-	/* Stdin is ready for input */
-	if(FD_ISSET(0,&rfds))
-	    {
-	    n=read(0,buf,sizeof buf);
-	    if(n == 0)
-		{
-		fprintf(stderr,"Got EOF on stdin\n");
-		exit(0);
-		}
-	    assert(n > 0);
-
-	    SSLStateMachine_write_inject(pMachine,buf,n);
-	    }
-	}
+    nFD = OpenSocket(nPort);
+
+    pMachine = SSLStateMachine_new(szCertificateFile, szKeyFile);
+
+    for (;;) {
+        fd_set rfds, wfds;
+        unsigned char buf[1024];
+        int n;
+
+        FD_ZERO(&rfds);
+        FD_ZERO(&wfds);
+
+        /* Select socket for input */
+        FD_SET(nFD, &rfds);
+
+        /* check whether there's decrypted data */
+        if (!nrbuf)
+            nrbuf = SSLStateMachine_read_extract(pMachine, rbuf, 1);
+
+        /* if there's decrypted data, check whether we can write it */
+        if (nrbuf)
+            FD_SET(1, &wfds);
+
+        /* Select socket for output */
+        if (SSLStateMachine_write_can_extract(pMachine))
+            FD_SET(nFD, &wfds);
+
+        /* Select stdin for input */
+        FD_SET(0, &rfds);
+
+        /* Wait for something to do something */
+        n = select(nFD + 1, &rfds, &wfds, NULL, NULL);
+        assert(n > 0);
+
+        /* Socket is ready for input */
+        if (FD_ISSET(nFD, &rfds)) {
+            n = read(nFD, buf, sizeof buf);
+            if (n == 0) {
+                fprintf(stderr, "Got EOF on socket\n");
+                exit(0);
+            }
+            assert(n > 0);
+
+            SSLStateMachine_read_inject(pMachine, buf, n);
+        }
+
+        /* stdout is ready for output (and hence we have some to send it) */
+        if (FD_ISSET(1, &wfds)) {
+            assert(nrbuf == 1);
+            buf[0] = rbuf[0];
+            nrbuf = 0;
+
+            n = SSLStateMachine_read_extract(pMachine, buf + 1,
+                                             sizeof buf - 1);
+            if (n < 0) {
+                SSLStateMachine_print_error(pMachine, "read extract failed");
+                break;
+            }
+            assert(n >= 0);
+            ++n;
+            if (n > 0) {        /* FIXME: has to be true now */
+                int w;
+
+                w = write(1, buf, n);
+                /* FIXME: we should push back any unwritten data */
+                assert(w == n);
+            }
+        }
+
+        /*
+         * Socket is ready for output (and therefore we have output to send)
+         */
+        if (FD_ISSET(nFD, &wfds)) {
+            int w;
+
+            n = SSLStateMachine_write_extract(pMachine, buf, sizeof buf);
+            assert(n > 0);
+
+            w = write(nFD, buf, n);
+            /* FIXME: we should push back any unwritten data */
+            assert(w == n);
+        }
+
+        /* Stdin is ready for input */
+        if (FD_ISSET(0, &rfds)) {
+            n = read(0, buf, sizeof buf);
+            if (n == 0) {
+                fprintf(stderr, "Got EOF on stdin\n");
+                exit(0);
+            }
+            assert(n > 0);
+
+            SSLStateMachine_write_inject(pMachine, buf, n);
+        }
+    }
     /* not reached */
     return 0;
-    }
+}
diff --git a/openssl/demos/tunala/breakage.c b/openssl/demos/tunala/breakage.c
index dcdd64b0e..16a3b9e0c 100644
--- a/openssl/demos/tunala/breakage.c
+++ b/openssl/demos/tunala/breakage.c
@@ -3,64 +3,66 @@
 int int_strtoul(const char *str, unsigned long *val)
 {
 #ifdef HAVE_STRTOUL
-	char *tmp;
-	unsigned long ret = strtoul(str, &tmp, 10);
-	if((str == tmp) || (*tmp != '\0'))
-		/* The value didn't parse cleanly */
-		return 0;
-	if(ret == ULONG_MAX)
-		/* We hit a limit */
-		return 0;
-	*val = ret;
-	return 1;
+    char *tmp;
+    unsigned long ret = strtoul(str, &tmp, 10);
+    if ((str == tmp) || (*tmp != '\0'))
+        /* The value didn't parse cleanly */
+        return 0;
+    if (ret == ULONG_MAX)
+        /* We hit a limit */
+        return 0;
+    *val = ret;
+    return 1;
 #else
-	char buf[2];
-	unsigned long ret = 0;
-	buf[1] = '\0';
-	if(str == '\0')
-		/* An empty string ... */
-		return 0;
-	while(*str != '\0') {
-		/* We have to multiply 'ret' by 10 before absorbing the next
-		 * digit. If this will overflow, catch it now. */
-		if(ret && (((ULONG_MAX + 10) / ret) < 10))
-			return 0;
-		ret *= 10;
-		if(!isdigit(*str))
-			return 0;
-		buf[0] = *str;
-		ret += atoi(buf);
-		str++;
-	}
-	*val = ret;
-	return 1;
+    char buf[2];
+    unsigned long ret = 0;
+    buf[1] = '\0';
+    if (str == '\0')
+        /* An empty string ... */
+        return 0;
+    while (*str != '\0') {
+        /*
+         * We have to multiply 'ret' by 10 before absorbing the next digit.
+         * If this will overflow, catch it now.
+         */
+        if (ret && (((ULONG_MAX + 10) / ret) < 10))
+            return 0;
+        ret *= 10;
+        if (!isdigit(*str))
+            return 0;
+        buf[0] = *str;
+        ret += atoi(buf);
+        str++;
+    }
+    *val = ret;
+    return 1;
 #endif
 }
 
 #ifndef HAVE_STRSTR
 char *int_strstr(const char *haystack, const char *needle)
 {
-	const char *sub_haystack = haystack, *sub_needle = needle;
-	unsigned int offset = 0;
-	if(!needle)
-		return haystack;
-	if(!haystack)
-		return NULL;
-	while((*sub_haystack != '\0') && (*sub_needle != '\0')) {
-		if(sub_haystack[offset] == sub_needle) {
-			/* sub_haystack is still a candidate */
-			offset++;
-			sub_needle++;
-		} else {
-			/* sub_haystack is no longer a possibility */
-			sub_haystack++;
-			offset = 0;
-			sub_needle = needle;
-		}
-	}
-	if(*sub_haystack == '\0')
-		/* Found nothing */
-		return NULL;
-	return sub_haystack;
+    const char *sub_haystack = haystack, *sub_needle = needle;
+    unsigned int offset = 0;
+    if (!needle)
+        return haystack;
+    if (!haystack)
+        return NULL;
+    while ((*sub_haystack != '\0') && (*sub_needle != '\0')) {
+        if (sub_haystack[offset] == sub_needle) {
+            /* sub_haystack is still a candidate */
+            offset++;
+            sub_needle++;
+        } else {
+            /* sub_haystack is no longer a possibility */
+            sub_haystack++;
+            offset = 0;
+            sub_needle = needle;
+        }
+    }
+    if (*sub_haystack == '\0')
+        /* Found nothing */
+        return NULL;
+    return sub_haystack;
 }
 #endif
diff --git a/openssl/demos/tunala/buffer.c b/openssl/demos/tunala/buffer.c
index c5cd00420..8e2cc9d20 100644
--- a/openssl/demos/tunala/buffer.c
+++ b/openssl/demos/tunala/buffer.c
@@ -2,204 +2,235 @@
 
 #ifndef NO_BUFFER
 
-void buffer_init(buffer_t *buf)
+void buffer_init(buffer_t * buf)
 {
-	buf->used = 0;
-	buf->total_in = buf->total_out = 0;
+    buf->used = 0;
+    buf->total_in = buf->total_out = 0;
 }
 
-void buffer_close(buffer_t *buf)
+void buffer_close(buffer_t * buf)
 {
-	/* Our data is static - nothing needs "release", just reset it */
-	buf->used = 0;
+    /* Our data is static - nothing needs "release", just reset it */
+    buf->used = 0;
 }
 
 /* Code these simple ones in compact form */
-unsigned int buffer_used(buffer_t *buf) {
-	return buf->used; }
-unsigned int buffer_unused(buffer_t *buf) {
-	return (MAX_DATA_SIZE - buf->used); }
-int buffer_full(buffer_t *buf) {
-	return (buf->used == MAX_DATA_SIZE ? 1 : 0); }
-int buffer_notfull(buffer_t *buf) {
-	return (buf->used < MAX_DATA_SIZE ? 1 : 0); }
-int buffer_empty(buffer_t *buf) {
-	return (buf->used == 0 ? 1 : 0); }
-int buffer_notempty(buffer_t *buf) {
-	return (buf->used > 0 ? 1 : 0); }
-unsigned long buffer_total_in(buffer_t *buf) {
-	return buf->total_in; }
-unsigned long buffer_total_out(buffer_t *buf) {
-	return buf->total_out; }
-
-/* These 3 static (internal) functions don't adjust the "total" variables as
+unsigned int buffer_used(buffer_t * buf)
+{
+    return buf->used;
+}
+
+unsigned int buffer_unused(buffer_t * buf)
+{
+    return (MAX_DATA_SIZE - buf->used);
+}
+
+int buffer_full(buffer_t * buf)
+{
+    return (buf->used == MAX_DATA_SIZE ? 1 : 0);
+}
+
+int buffer_notfull(buffer_t * buf)
+{
+    return (buf->used < MAX_DATA_SIZE ? 1 : 0);
+}
+
+int buffer_empty(buffer_t * buf)
+{
+    return (buf->used == 0 ? 1 : 0);
+}
+
+int buffer_notempty(buffer_t * buf)
+{
+    return (buf->used > 0 ? 1 : 0);
+}
+
+unsigned long buffer_total_in(buffer_t * buf)
+{
+    return buf->total_in;
+}
+
+unsigned long buffer_total_out(buffer_t * buf)
+{
+    return buf->total_out;
+}
+
+/*
+ * These 3 static (internal) functions don't adjust the "total" variables as
  * it's not sure when they're called how it should be interpreted. Only the
  * higher-level "buffer_[to|from]_[fd|SSL|BIO]" functions should alter these
- * values. */
-#if 0 /* To avoid "unused" warnings */
-static unsigned int buffer_adddata(buffer_t *buf, const unsigned char *ptr,
-		unsigned int size)
-{
-	unsigned int added = MAX_DATA_SIZE - buf->used;
-	if(added > size)
-		added = size;
-	if(added == 0)
-		return 0;
-	memcpy(buf->data + buf->used, ptr, added);
-	buf->used += added;
-	buf->total_in += added;
-	return added;
-}
-
-static unsigned int buffer_tobuffer(buffer_t *to, buffer_t *from, int cap)
-{
-	unsigned int moved, tomove = from->used;
-	if((int)tomove > cap)
-		tomove = cap;
-	if(tomove == 0)
-		return 0;
-	moved = buffer_adddata(to, from->data, tomove);
-	if(moved == 0)
-		return 0;
-	buffer_takedata(from, NULL, moved);
-	return moved;
-}
-#endif
-
-static unsigned int buffer_takedata(buffer_t *buf, unsigned char *ptr,
-		unsigned int size)
-{
-	unsigned int taken = buf->used;
-	if(taken > size)
-		taken = size;
-	if(taken == 0)
-		return 0;
-	if(ptr)
-		memcpy(ptr, buf->data, taken);
-	buf->used -= taken;
-	/* Do we have to scroll? */
-	if(buf->used > 0)
-		memmove(buf->data, buf->data + taken, buf->used);
-	return taken;
-}
-
-#ifndef NO_IP
-
-int buffer_from_fd(buffer_t *buf, int fd)
-{
-	int toread = buffer_unused(buf);
-	if(toread == 0)
-		/* Shouldn't be called in this case! */
-		abort();
-	toread = read(fd, buf->data + buf->used, toread);
-	if(toread > 0) {
-		buf->used += toread;
-		buf->total_in += toread;
-	}
-	return toread;
-}
-
-int buffer_to_fd(buffer_t *buf, int fd)
-{
-	int towrite = buffer_used(buf);
-	if(towrite == 0)
-		/* Shouldn't be called in this case! */
-		abort();
-	towrite = write(fd, buf->data, towrite);
-	if(towrite > 0) {
-		buffer_takedata(buf, NULL, towrite);
-		buf->total_out += towrite;
-	}
-	return towrite;
-}
-
-#endif /* !defined(NO_IP) */
-
-#ifndef NO_OPENSSL
+ * values.
+ */
+# if 0                          /* To avoid "unused" warnings */
+static unsigned int buffer_adddata(buffer_t * buf, const unsigned char *ptr,
+                                   unsigned int size)
+{
+    unsigned int added = MAX_DATA_SIZE - buf->used;
+    if (added > size)
+        added = size;
+    if (added == 0)
+        return 0;
+    memcpy(buf->data + buf->used, ptr, added);
+    buf->used += added;
+    buf->total_in += added;
+    return added;
+}
+
+static unsigned int buffer_tobuffer(buffer_t * to, buffer_t * from, int cap)
+{
+    unsigned int moved, tomove = from->used;
+    if ((int)tomove > cap)
+        tomove = cap;
+    if (tomove == 0)
+        return 0;
+    moved = buffer_adddata(to, from->data, tomove);
+    if (moved == 0)
+        return 0;
+    buffer_takedata(from, NULL, moved);
+    return moved;
+}
+# endif
+
+static unsigned int buffer_takedata(buffer_t * buf, unsigned char *ptr,
+                                    unsigned int size)
+{
+    unsigned int taken = buf->used;
+    if (taken > size)
+        taken = size;
+    if (taken == 0)
+        return 0;
+    if (ptr)
+        memcpy(ptr, buf->data, taken);
+    buf->used -= taken;
+    /* Do we have to scroll? */
+    if (buf->used > 0)
+        memmove(buf->data, buf->data + taken, buf->used);
+    return taken;
+}
+
+# ifndef NO_IP
+
+int buffer_from_fd(buffer_t * buf, int fd)
+{
+    int toread = buffer_unused(buf);
+    if (toread == 0)
+        /* Shouldn't be called in this case! */
+        abort();
+    toread = read(fd, buf->data + buf->used, toread);
+    if (toread > 0) {
+        buf->used += toread;
+        buf->total_in += toread;
+    }
+    return toread;
+}
+
+int buffer_to_fd(buffer_t * buf, int fd)
+{
+    int towrite = buffer_used(buf);
+    if (towrite == 0)
+        /* Shouldn't be called in this case! */
+        abort();
+    towrite = write(fd, buf->data, towrite);
+    if (towrite > 0) {
+        buffer_takedata(buf, NULL, towrite);
+        buf->total_out += towrite;
+    }
+    return towrite;
+}
+
+# endif                         /* !defined(NO_IP) */
+
+# ifndef NO_OPENSSL
 
 static void int_ssl_check(SSL *s, int ret)
 {
-	int e = SSL_get_error(s, ret);
-	switch(e) {
-		/* These seem to be harmless and already "dealt with" by our
-		 * non-blocking environment. NB: "ZERO_RETURN" is the clean
-		 * "error" indicating a successfully closed SSL tunnel. We let
-		 * this happen because our IO loop should not appear to have
-		 * broken on this condition - and outside the IO loop, the
-		 * "shutdown" state is checked. */
-	case SSL_ERROR_NONE:
-	case SSL_ERROR_WANT_READ:
-	case SSL_ERROR_WANT_WRITE:
-	case SSL_ERROR_WANT_X509_LOOKUP:
-	case SSL_ERROR_ZERO_RETURN:
-		return;
-		/* These seem to be indications of a genuine error that should
-		 * result in the SSL tunnel being regarded as "dead". */
-	case SSL_ERROR_SYSCALL:
-	case SSL_ERROR_SSL:
-		SSL_set_app_data(s, (char *)1);
-		return;
-	default:
-		break;
-	}
-	/* For any other errors that (a) exist, and (b) crop up - we need to
-	 * interpret what to do with them - so "politely inform" the caller that
-	 * the code needs updating here. */
-	abort();
-}
-
-void buffer_from_SSL(buffer_t *buf, SSL *ssl)
-{
-	int ret;
-	if(!ssl || buffer_full(buf))
-		return;
-	ret = SSL_read(ssl, buf->data + buf->used, buffer_unused(buf));
-	if(ret > 0) {
-		buf->used += ret;
-		buf->total_in += ret;
-	}
-	if(ret < 0)
-		int_ssl_check(ssl, ret);
-}
-
-void buffer_to_SSL(buffer_t *buf, SSL *ssl)
-{
-	int ret;
-	if(!ssl || buffer_empty(buf))
-		return;
-	ret = SSL_write(ssl, buf->data, buf->used);
-	if(ret > 0) {
-		buffer_takedata(buf, NULL, ret);
-		buf->total_out += ret;
-	}
-	if(ret < 0)
-		int_ssl_check(ssl, ret);
-}
-
-void buffer_from_BIO(buffer_t *buf, BIO *bio)
-{
-	int ret;
-	if(!bio || buffer_full(buf))
-		return;
-	ret = BIO_read(bio, buf->data + buf->used, buffer_unused(buf));
-	if(ret > 0) {
-		buf->used += ret;
-		buf->total_in += ret;
-	}
-}
-
-void buffer_to_BIO(buffer_t *buf, BIO *bio)
-{
-	int ret;
-	if(!bio || buffer_empty(buf))
-		return;
-	ret = BIO_write(bio, buf->data, buf->used);
-	if(ret > 0) {
-		buffer_takedata(buf, NULL, ret);
-		buf->total_out += ret;
-	}
-}
-
-#endif /* !defined(NO_OPENSSL) */
-
-#endif /* !defined(NO_BUFFER) */
+    int e = SSL_get_error(s, ret);
+    switch (e) {
+        /*
+         * These seem to be harmless and already "dealt with" by our
+         * non-blocking environment. NB: "ZERO_RETURN" is the clean "error"
+         * indicating a successfully closed SSL tunnel. We let this happen
+         * because our IO loop should not appear to have broken on this
+         * condition - and outside the IO loop, the "shutdown" state is
+         * checked.
+         */
+    case SSL_ERROR_NONE:
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+    case SSL_ERROR_WANT_X509_LOOKUP:
+    case SSL_ERROR_ZERO_RETURN:
+        return;
+        /*
+         * These seem to be indications of a genuine error that should result
+         * in the SSL tunnel being regarded as "dead".
+         */
+    case SSL_ERROR_SYSCALL:
+    case SSL_ERROR_SSL:
+        SSL_set_app_data(s, (char *)1);
+        return;
+    default:
+        break;
+    }
+    /*
+     * For any other errors that (a) exist, and (b) crop up - we need to
+     * interpret what to do with them - so "politely inform" the caller that
+     * the code needs updating here.
+     */
+    abort();
+}
+
+void buffer_from_SSL(buffer_t * buf, SSL *ssl)
+{
+    int ret;
+    if (!ssl || buffer_full(buf))
+        return;
+    ret = SSL_read(ssl, buf->data + buf->used, buffer_unused(buf));
+    if (ret > 0) {
+        buf->used += ret;
+        buf->total_in += ret;
+    }
+    if (ret < 0)
+        int_ssl_check(ssl, ret);
+}
+
+void buffer_to_SSL(buffer_t * buf, SSL *ssl)
+{
+    int ret;
+    if (!ssl || buffer_empty(buf))
+        return;
+    ret = SSL_write(ssl, buf->data, buf->used);
+    if (ret > 0) {
+        buffer_takedata(buf, NULL, ret);
+        buf->total_out += ret;
+    }
+    if (ret < 0)
+        int_ssl_check(ssl, ret);
+}
+
+void buffer_from_BIO(buffer_t * buf, BIO *bio)
+{
+    int ret;
+    if (!bio || buffer_full(buf))
+        return;
+    ret = BIO_read(bio, buf->data + buf->used, buffer_unused(buf));
+    if (ret > 0) {
+        buf->used += ret;
+        buf->total_in += ret;
+    }
+}
+
+void buffer_to_BIO(buffer_t * buf, BIO *bio)
+{
+    int ret;
+    if (!bio || buffer_empty(buf))
+        return;
+    ret = BIO_write(bio, buf->data, buf->used);
+    if (ret > 0) {
+        buffer_takedata(buf, NULL, ret);
+        buf->total_out += ret;
+    }
+}
+
+# endif                         /* !defined(NO_OPENSSL) */
+
+#endif                          /* !defined(NO_BUFFER) */
diff --git a/openssl/demos/tunala/cb.c b/openssl/demos/tunala/cb.c
index f6e452ae9..684a07f08 100644
--- a/openssl/demos/tunala/cb.c
+++ b/openssl/demos/tunala/cb.c
@@ -5,7 +5,8 @@
 /* For callbacks generating output, here are their file-descriptors. */
 static FILE *fp_cb_ssl_info = NULL;
 static FILE *fp_cb_ssl_verify = NULL;
-/* Output level:
+/*-
+ * Output level:
  *     0 = nothing,
  *     1 = minimal, just errors,
  *     2 = minimal, all steps,
@@ -15,148 +16,158 @@ static unsigned int cb_ssl_verify_level = 1;
 /* Other static rubbish (to mirror s_cb.c where required) */
 static int int_verify_depth = 10;
 
-/* This function is largely borrowed from the one used in OpenSSL's "s_client"
- * and "s_server" utilities. */
+/*
+ * This function is largely borrowed from the one used in OpenSSL's
+ * "s_client" and "s_server" utilities.
+ */
 void cb_ssl_info(const SSL *s, int where, int ret)
 {
-	const char *str1, *str2;
-	int w;
-
-	if(!fp_cb_ssl_info)
-		return;
-
-	w = where & ~SSL_ST_MASK;
-	str1 = (w & SSL_ST_CONNECT ? "SSL_connect" : (w & SSL_ST_ACCEPT ?
-				"SSL_accept" : "undefined")),
-	str2 = SSL_state_string_long(s);
-
-	if (where & SSL_CB_LOOP)
-		fprintf(fp_cb_ssl_info, "(%s) %s\n", str1, str2);
-	else if (where & SSL_CB_EXIT) {
-		if (ret == 0)
-			fprintf(fp_cb_ssl_info, "(%s) failed in %s\n", str1, str2);
-/* In a non-blocking model, we get a few of these "error"s simply because we're
- * calling "reads" and "writes" on the state-machine that are virtual NOPs
- * simply to avoid wasting the time seeing if we *should* call them. Removing
- * this case makes the "-out_state" output a lot easier on the eye. */
-#if 0
-		else if (ret < 0)
-			fprintf(fp_cb_ssl_info, "%s:error in %s\n", str1, str2);
-#endif
-	}
+    const char *str1, *str2;
+    int w;
+
+    if (!fp_cb_ssl_info)
+        return;
+
+    w = where & ~SSL_ST_MASK;
+    str1 = (w & SSL_ST_CONNECT ? "SSL_connect" : (w & SSL_ST_ACCEPT ?
+                                                  "SSL_accept" :
+                                                  "undefined")), str2 =
+        SSL_state_string_long(s);
+
+    if (where & SSL_CB_LOOP)
+        fprintf(fp_cb_ssl_info, "(%s) %s\n", str1, str2);
+    else if (where & SSL_CB_EXIT) {
+        if (ret == 0)
+            fprintf(fp_cb_ssl_info, "(%s) failed in %s\n", str1, str2);
+        /*
+         * In a non-blocking model, we get a few of these "error"s simply
+         * because we're calling "reads" and "writes" on the state-machine
+         * that are virtual NOPs simply to avoid wasting the time seeing if
+         * we *should* call them. Removing this case makes the "-out_state"
+         * output a lot easier on the eye.
+         */
+# if 0
+        else if (ret < 0)
+            fprintf(fp_cb_ssl_info, "%s:error in %s\n", str1, str2);
+# endif
+    }
 }
 
 void cb_ssl_info_set_output(FILE *fp)
 {
-	fp_cb_ssl_info = fp;
+    fp_cb_ssl_info = fp;
 }
 
-static const char *int_reason_no_issuer = "X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT";
+static const char *int_reason_no_issuer =
+    "X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT";
 static const char *int_reason_not_yet = "X509_V_ERR_CERT_NOT_YET_VALID";
-static const char *int_reason_before = "X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD";
+static const char *int_reason_before =
+    "X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD";
 static const char *int_reason_expired = "X509_V_ERR_CERT_HAS_EXPIRED";
-static const char *int_reason_after = "X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD";
+static const char *int_reason_after =
+    "X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD";
 
 /* Stolen wholesale from apps/s_cb.c :-) And since then, mutilated ... */
 int cb_ssl_verify(int ok, X509_STORE_CTX *ctx)
 {
-	char buf1[256]; /* Used for the subject name */
-	char buf2[256]; /* Used for the issuer name */
-	const char *reason = NULL; /* Error reason (if any) */
-	X509 *err_cert;
-	int err, depth;
-
-	if(!fp_cb_ssl_verify || (cb_ssl_verify_level == 0))
-		return ok;
-	err_cert = X509_STORE_CTX_get_current_cert(ctx);
-	err = X509_STORE_CTX_get_error(ctx);
-	depth = X509_STORE_CTX_get_error_depth(ctx);
-
-	buf1[0] = buf2[0] = '\0';
-	/* Fill buf1 */
-	X509_NAME_oneline(X509_get_subject_name(err_cert), buf1, 256);
-	/* Fill buf2 */
-	X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert), buf2, 256);
-	switch (ctx->error) {
-	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
-		reason = int_reason_no_issuer;
-		break;
-	case X509_V_ERR_CERT_NOT_YET_VALID:
-		reason = int_reason_not_yet;
-		break;
-	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
-		reason = int_reason_before;
-		break;
-	case X509_V_ERR_CERT_HAS_EXPIRED:
-		reason = int_reason_expired;
-		break;
-	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
-		reason = int_reason_after;
-		break;
-	}
-
-	if((cb_ssl_verify_level == 1) && ok)
-		return ok;
-	fprintf(fp_cb_ssl_verify, "chain-depth=%d, ", depth);
-	if(reason)
-		fprintf(fp_cb_ssl_verify, "error=%s\n", reason);
-	else
-		fprintf(fp_cb_ssl_verify, "error=%d\n", err);
-	if(cb_ssl_verify_level < 3)
-		return ok;
-	fprintf(fp_cb_ssl_verify, "--> subject = %s\n", buf1);
-	fprintf(fp_cb_ssl_verify, "--> issuer  = %s\n", buf2);
-	if(!ok)
-		fprintf(fp_cb_ssl_verify,"--> verify error:num=%d:%s\n",err,
-			X509_verify_cert_error_string(err));
-	fprintf(fp_cb_ssl_verify, "--> verify return:%d\n",ok);
-	return ok;
+    char buf1[256];             /* Used for the subject name */
+    char buf2[256];             /* Used for the issuer name */
+    const char *reason = NULL;  /* Error reason (if any) */
+    X509 *err_cert;
+    int err, depth;
+
+    if (!fp_cb_ssl_verify || (cb_ssl_verify_level == 0))
+        return ok;
+    err_cert = X509_STORE_CTX_get_current_cert(ctx);
+    err = X509_STORE_CTX_get_error(ctx);
+    depth = X509_STORE_CTX_get_error_depth(ctx);
+
+    buf1[0] = buf2[0] = '\0';
+    /* Fill buf1 */
+    X509_NAME_oneline(X509_get_subject_name(err_cert), buf1, 256);
+    /* Fill buf2 */
+    X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert), buf2, 256);
+    switch (ctx->error) {
+    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
+        reason = int_reason_no_issuer;
+        break;
+    case X509_V_ERR_CERT_NOT_YET_VALID:
+        reason = int_reason_not_yet;
+        break;
+    case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
+        reason = int_reason_before;
+        break;
+    case X509_V_ERR_CERT_HAS_EXPIRED:
+        reason = int_reason_expired;
+        break;
+    case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
+        reason = int_reason_after;
+        break;
+    }
+
+    if ((cb_ssl_verify_level == 1) && ok)
+        return ok;
+    fprintf(fp_cb_ssl_verify, "chain-depth=%d, ", depth);
+    if (reason)
+        fprintf(fp_cb_ssl_verify, "error=%s\n", reason);
+    else
+        fprintf(fp_cb_ssl_verify, "error=%d\n", err);
+    if (cb_ssl_verify_level < 3)
+        return ok;
+    fprintf(fp_cb_ssl_verify, "--> subject = %s\n", buf1);
+    fprintf(fp_cb_ssl_verify, "--> issuer  = %s\n", buf2);
+    if (!ok)
+        fprintf(fp_cb_ssl_verify, "--> verify error:num=%d:%s\n", err,
+                X509_verify_cert_error_string(err));
+    fprintf(fp_cb_ssl_verify, "--> verify return:%d\n", ok);
+    return ok;
 }
 
 void cb_ssl_verify_set_output(FILE *fp)
 {
-	fp_cb_ssl_verify = fp;
+    fp_cb_ssl_verify = fp;
 }
 
 void cb_ssl_verify_set_depth(unsigned int verify_depth)
 {
-	int_verify_depth = verify_depth;
+    int_verify_depth = verify_depth;
 }
 
 void cb_ssl_verify_set_level(unsigned int level)
 {
-	if(level < 4)
-		cb_ssl_verify_level = level;
+    if (level < 4)
+        cb_ssl_verify_level = level;
 }
 
 RSA *cb_generate_tmp_rsa(SSL *s, int is_export, int keylength)
 {
-	/* TODO: Perhaps make it so our global key can be generated on-the-fly
-	 * after certain intervals? */
-	static RSA *rsa_tmp = NULL;
-	BIGNUM *bn = NULL;
-	int ok = 1;
-	if(!rsa_tmp) {
-		ok = 0;
-		if(!(bn = BN_new()))
-			goto end;
-		if(!BN_set_word(bn, RSA_F4))
-			goto end;
-		if(!(rsa_tmp = RSA_new()))
-			goto end;
-		if(!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
-			goto end;
-		ok = 1;
-	}
-end:
-	if(bn)
-		BN_free(bn);
-	if(!ok) {
-		RSA_free(rsa_tmp);
-		rsa_tmp = NULL;
-	}
-	return rsa_tmp;
+    /*
+     * TODO: Perhaps make it so our global key can be generated on-the-fly
+     * after certain intervals?
+     */
+    static RSA *rsa_tmp = NULL;
+    BIGNUM *bn = NULL;
+    int ok = 1;
+    if (!rsa_tmp) {
+        ok = 0;
+        if (!(bn = BN_new()))
+            goto end;
+        if (!BN_set_word(bn, RSA_F4))
+            goto end;
+        if (!(rsa_tmp = RSA_new()))
+            goto end;
+        if (!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
+            goto end;
+        ok = 1;
+    }
+ end:
+    if (bn)
+        BN_free(bn);
+    if (!ok) {
+        RSA_free(rsa_tmp);
+        rsa_tmp = NULL;
+    }
+    return rsa_tmp;
 }
 
-#endif /* !defined(NO_OPENSSL) */
-
+#endif                          /* !defined(NO_OPENSSL) */
diff --git a/openssl/demos/tunala/ip.c b/openssl/demos/tunala/ip.c
index 96ef4e653..b172d2e4e 100644
--- a/openssl/demos/tunala/ip.c
+++ b/openssl/demos/tunala/ip.c
@@ -2,145 +2,148 @@
 
 #ifndef NO_IP
 
-#define IP_LISTENER_BACKLOG 511 /* So if it gets masked by 256 or some other
-				   such value it'll still be respectable */
+# define IP_LISTENER_BACKLOG 511/* So if it gets masked by 256 or some other
+                                 * such value it'll still be respectable */
 
 /* Any IP-related initialisations. For now, this means blocking SIGPIPE */
 int ip_initialise(void)
 {
-	struct sigaction sa;
-
-	sa.sa_handler = SIG_IGN;
-	sa.sa_flags = 0;
-	sigemptyset(&sa.sa_mask);
-	if(sigaction(SIGPIPE, &sa, NULL) != 0)
-		return 0;
-	return 1;
+    struct sigaction sa;
+
+    sa.sa_handler = SIG_IGN;
+    sa.sa_flags = 0;
+    sigemptyset(&sa.sa_mask);
+    if (sigaction(SIGPIPE, &sa, NULL) != 0)
+        return 0;
+    return 1;
 }
 
 int ip_create_listener_split(const char *ip, unsigned short port)
 {
-	struct sockaddr_in in_addr;
-	int fd = -1;
-	int reuseVal = 1;
-
-	/* Create the socket */
-	if((fd = socket(PF_INET, SOCK_STREAM, 0)) == -1)
-		goto err;
-	/* Set the SO_REUSEADDR flag - servers act weird without it */
-	if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)(&reuseVal),
-				sizeof(reuseVal)) != 0)
-		goto err;
-	/* Prepare the listen address stuff */
-	in_addr.sin_family = AF_INET;
-	memcpy(&in_addr.sin_addr.s_addr, ip, 4);
-	in_addr.sin_port = htons(port);
-	/* Bind to the required port/address/interface */
-	if(bind(fd, (struct sockaddr *)&in_addr, sizeof(struct sockaddr_in)) != 0)
-		goto err;
-	/* Start "listening" */
-	if(listen(fd, IP_LISTENER_BACKLOG) != 0)
-		goto err;
-	return fd;
-err:
-	if(fd != -1)
-		close(fd);
-	return -1;
+    struct sockaddr_in in_addr;
+    int fd = -1;
+    int reuseVal = 1;
+
+    /* Create the socket */
+    if ((fd = socket(PF_INET, SOCK_STREAM, 0)) == -1)
+        goto err;
+    /* Set the SO_REUSEADDR flag - servers act weird without it */
+    if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)(&reuseVal),
+                   sizeof(reuseVal)) != 0)
+        goto err;
+    /* Prepare the listen address stuff */
+    in_addr.sin_family = AF_INET;
+    memcpy(&in_addr.sin_addr.s_addr, ip, 4);
+    in_addr.sin_port = htons(port);
+    /* Bind to the required port/address/interface */
+    if (bind(fd, (struct sockaddr *)&in_addr, sizeof(struct sockaddr_in)) !=
+        0)
+        goto err;
+    /* Start "listening" */
+    if (listen(fd, IP_LISTENER_BACKLOG) != 0)
+        goto err;
+    return fd;
+ err:
+    if (fd != -1)
+        close(fd);
+    return -1;
 }
 
 int ip_create_connection_split(const char *ip, unsigned short port)
 {
-	struct sockaddr_in in_addr;
-	int flags, fd = -1;
-
-	/* Create the socket */
-	if((fd = socket(PF_INET, SOCK_STREAM, 0)) == -1)
-		goto err;
-	/* Make it non-blocking */
-	if(((flags = fcntl(fd, F_GETFL, 0)) < 0) ||
-			(fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0))
-		goto err;
-	/* Prepare the connection address stuff */
-	in_addr.sin_family = AF_INET;
-	memcpy(&in_addr.sin_addr.s_addr, ip, 4);
-	in_addr.sin_port = htons(port);
-	/* Start a connect (non-blocking, in all likelihood) */
-	if((connect(fd, (struct sockaddr *)&in_addr,
-			sizeof(struct sockaddr_in)) != 0) &&
-			(errno != EINPROGRESS))
-		goto err;
-	return fd;
-err:
-	if(fd != -1)
-		close(fd);
-	return -1;
+    struct sockaddr_in in_addr;
+    int flags, fd = -1;
+
+    /* Create the socket */
+    if ((fd = socket(PF_INET, SOCK_STREAM, 0)) == -1)
+        goto err;
+    /* Make it non-blocking */
+    if (((flags = fcntl(fd, F_GETFL, 0)) < 0) ||
+        (fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0))
+        goto err;
+    /* Prepare the connection address stuff */
+    in_addr.sin_family = AF_INET;
+    memcpy(&in_addr.sin_addr.s_addr, ip, 4);
+    in_addr.sin_port = htons(port);
+    /* Start a connect (non-blocking, in all likelihood) */
+    if ((connect(fd, (struct sockaddr *)&in_addr,
+                 sizeof(struct sockaddr_in)) != 0) && (errno != EINPROGRESS))
+        goto err;
+    return fd;
+ err:
+    if (fd != -1)
+        close(fd);
+    return -1;
 }
 
-static char all_local_ip[] = {0x00,0x00,0x00,0x00};
+static char all_local_ip[] = { 0x00, 0x00, 0x00, 0x00 };
 
 int ip_parse_address(const char *address, const char **parsed_ip,
-		unsigned short *parsed_port, int accept_all_ip)
+                     unsigned short *parsed_port, int accept_all_ip)
 {
-	char buf[256];
-	struct hostent *lookup;
-	unsigned long port;
-	const char *ptr = strstr(address, ":");
-	const char *ip = all_local_ip;
-
-	if(!ptr) {
-		/* We assume we're listening on all local interfaces and have
-		 * only specified a port. */
-		if(!accept_all_ip)
-			return 0;
-		ptr = address;
-		goto determine_port;
-	}
-	if((ptr - address) > 255)
-		return 0;
-	memset(buf, 0, 256);
-	memcpy(buf, address, ptr - address);
-	ptr++;
-	if((lookup = gethostbyname(buf)) == NULL) {
-		/* Spit a message to differentiate between lookup failures and
-		 * bad strings. */
-		fprintf(stderr, "hostname lookup for '%s' failed\n", buf);
-		return 0;
-	}
-	ip = lookup->h_addr_list[0];
-determine_port:
-	if(strlen(ptr) < 1)
-		return 0;
-	if(!int_strtoul(ptr, &port) || (port > 65535))
-		return 0;
-	*parsed_ip = ip;
-	*parsed_port = (unsigned short)port;
-	return 1;
+    char buf[256];
+    struct hostent *lookup;
+    unsigned long port;
+    const char *ptr = strstr(address, ":");
+    const char *ip = all_local_ip;
+
+    if (!ptr) {
+        /*
+         * We assume we're listening on all local interfaces and have only
+         * specified a port.
+         */
+        if (!accept_all_ip)
+            return 0;
+        ptr = address;
+        goto determine_port;
+    }
+    if ((ptr - address) > 255)
+        return 0;
+    memset(buf, 0, 256);
+    memcpy(buf, address, ptr - address);
+    ptr++;
+    if ((lookup = gethostbyname(buf)) == NULL) {
+        /*
+         * Spit a message to differentiate between lookup failures and bad
+         * strings.
+         */
+        fprintf(stderr, "hostname lookup for '%s' failed\n", buf);
+        return 0;
+    }
+    ip = lookup->h_addr_list[0];
+ determine_port:
+    if (strlen(ptr) < 1)
+        return 0;
+    if (!int_strtoul(ptr, &port) || (port > 65535))
+        return 0;
+    *parsed_ip = ip;
+    *parsed_port = (unsigned short)port;
+    return 1;
 }
 
 int ip_create_listener(const char *address)
 {
-	const char *ip;
-	unsigned short port;
+    const char *ip;
+    unsigned short port;
 
-	if(!ip_parse_address(address, &ip, &port, 1))
-		return -1;
-	return ip_create_listener_split(ip, port);
+    if (!ip_parse_address(address, &ip, &port, 1))
+        return -1;
+    return ip_create_listener_split(ip, port);
 }
 
 int ip_create_connection(const char *address)
 {
-	const char *ip;
-	unsigned short port;
+    const char *ip;
+    unsigned short port;
 
-	if(!ip_parse_address(address, &ip, &port, 0))
-		return -1;
-	return ip_create_connection_split(ip, port);
+    if (!ip_parse_address(address, &ip, &port, 0))
+        return -1;
+    return ip_create_connection_split(ip, port);
 }
 
 int ip_accept_connection(int listen_fd)
 {
-	return accept(listen_fd, NULL, NULL);
+    return accept(listen_fd, NULL, NULL);
 }
 
-#endif /* !defined(NO_IP) */
-
+#endif                          /* !defined(NO_IP) */
diff --git a/openssl/demos/tunala/sm.c b/openssl/demos/tunala/sm.c
index 25359e67e..5658dfff2 100644
--- a/openssl/demos/tunala/sm.c
+++ b/openssl/demos/tunala/sm.c
@@ -2,150 +2,163 @@
 
 #ifndef NO_TUNALA
 
-void state_machine_init(state_machine_t *machine)
+void state_machine_init(state_machine_t * machine)
 {
-	machine->ssl = NULL;
-	machine->bio_intossl = machine->bio_fromssl = NULL;
-	buffer_init(&machine->clean_in);
-	buffer_init(&machine->clean_out);
-	buffer_init(&machine->dirty_in);
-	buffer_init(&machine->dirty_out);
+    machine->ssl = NULL;
+    machine->bio_intossl = machine->bio_fromssl = NULL;
+    buffer_init(&machine->clean_in);
+    buffer_init(&machine->clean_out);
+    buffer_init(&machine->dirty_in);
+    buffer_init(&machine->dirty_out);
 }
 
-void state_machine_close(state_machine_t *machine)
+void state_machine_close(state_machine_t * machine)
 {
-	if(machine->ssl)
-		SSL_free(machine->ssl);
-/* SSL_free seems to decrement the reference counts already so doing this goes
- * kaboom. */
-#if 0
-	if(machine->bio_intossl)
-		BIO_free(machine->bio_intossl);
-	if(machine->bio_fromssl)
-		BIO_free(machine->bio_fromssl);
-#endif
-	buffer_close(&machine->clean_in);
-	buffer_close(&machine->clean_out);
-	buffer_close(&machine->dirty_in);
-	buffer_close(&machine->dirty_out);
-	state_machine_init(machine);
+    if (machine->ssl)
+        SSL_free(machine->ssl);
+    /*
+     * SSL_free seems to decrement the reference counts already so doing this
+     * goes kaboom.
+     */
+# if 0
+    if (machine->bio_intossl)
+        BIO_free(machine->bio_intossl);
+    if (machine->bio_fromssl)
+        BIO_free(machine->bio_fromssl);
+# endif
+    buffer_close(&machine->clean_in);
+    buffer_close(&machine->clean_out);
+    buffer_close(&machine->dirty_in);
+    buffer_close(&machine->dirty_out);
+    state_machine_init(machine);
 }
 
-buffer_t *state_machine_get_buffer(state_machine_t *machine, sm_buffer_t type)
+buffer_t *state_machine_get_buffer(state_machine_t * machine,
+                                   sm_buffer_t type)
 {
-	switch(type) {
-	case SM_CLEAN_IN:
-		return &machine->clean_in;
-	case SM_CLEAN_OUT:
-		return &machine->clean_out;
-	case SM_DIRTY_IN:
-		return &machine->dirty_in;
-	case SM_DIRTY_OUT:
-		return &machine->dirty_out;
-	default:
-		break;
-	}
-	/* Should never get here */
-	abort();
-	return NULL;
+    switch (type) {
+    case SM_CLEAN_IN:
+        return &machine->clean_in;
+    case SM_CLEAN_OUT:
+        return &machine->clean_out;
+    case SM_DIRTY_IN:
+        return &machine->dirty_in;
+    case SM_DIRTY_OUT:
+        return &machine->dirty_out;
+    default:
+        break;
+    }
+    /* Should never get here */
+    abort();
+    return NULL;
 }
 
-SSL *state_machine_get_SSL(state_machine_t *machine)
+SSL *state_machine_get_SSL(state_machine_t * machine)
 {
-	return machine->ssl;
+    return machine->ssl;
 }
 
-int state_machine_set_SSL(state_machine_t *machine, SSL *ssl, int is_server)
+int state_machine_set_SSL(state_machine_t * machine, SSL *ssl, int is_server)
 {
-	if(machine->ssl)
-		/* Shouldn't ever be set twice */
-		abort();
-	machine->ssl = ssl;
-	/* Create the BIOs to handle the dirty side of the SSL */
-	if((machine->bio_intossl = BIO_new(BIO_s_mem())) == NULL)
-		abort();
-	if((machine->bio_fromssl = BIO_new(BIO_s_mem())) == NULL)
-		abort();
-	/* Hook up the BIOs on the dirty side of the SSL */
-	SSL_set_bio(machine->ssl, machine->bio_intossl, machine->bio_fromssl);
-	if(is_server)
-		SSL_set_accept_state(machine->ssl);
-	else
-		SSL_set_connect_state(machine->ssl);
-	/* If we're the first one to generate traffic - do it now otherwise we
-	 * go into the next select empty-handed and our peer will not send data
-	 * but will similarly wait for us. */
-	return state_machine_churn(machine);
+    if (machine->ssl)
+        /* Shouldn't ever be set twice */
+        abort();
+    machine->ssl = ssl;
+    /* Create the BIOs to handle the dirty side of the SSL */
+    if ((machine->bio_intossl = BIO_new(BIO_s_mem())) == NULL)
+        abort();
+    if ((machine->bio_fromssl = BIO_new(BIO_s_mem())) == NULL)
+        abort();
+    /* Hook up the BIOs on the dirty side of the SSL */
+    SSL_set_bio(machine->ssl, machine->bio_intossl, machine->bio_fromssl);
+    if (is_server)
+        SSL_set_accept_state(machine->ssl);
+    else
+        SSL_set_connect_state(machine->ssl);
+    /*
+     * If we're the first one to generate traffic - do it now otherwise we go
+     * into the next select empty-handed and our peer will not send data but
+     * will similarly wait for us.
+     */
+    return state_machine_churn(machine);
 }
 
 /* Performs the data-IO loop and returns zero if the machine should close */
-int state_machine_churn(state_machine_t *machine)
+int state_machine_churn(state_machine_t * machine)
 {
-	unsigned int loop;
-	if(machine->ssl == NULL) {
-		if(buffer_empty(&machine->clean_out))
-			/* Time to close this state-machine altogether */
-			return 0;
-		else
-			/* Still buffered data on the clean side to go out */
-			return 1;
-	}
-	/* Do this loop twice to cover any dependencies about which precise
-	 * order of reads and writes is required. */
-	for(loop = 0; loop < 2; loop++) {
-		buffer_to_SSL(&machine->clean_in, machine->ssl);
-		buffer_to_BIO(&machine->dirty_in, machine->bio_intossl);
-		buffer_from_SSL(&machine->clean_out, machine->ssl);
-		buffer_from_BIO(&machine->dirty_out, machine->bio_fromssl);
-	}
-	/* We close on the SSL side if the info callback noticed some problems
-	 * or an SSL shutdown was underway and shutdown traffic had all been
-	 * sent. */
-	if(SSL_get_app_data(machine->ssl) || (SSL_get_shutdown(machine->ssl) &&
-				buffer_empty(&machine->dirty_out))) {
-		/* Great, we can seal off the dirty side completely */
-		if(!state_machine_close_dirty(machine))
-			return 0;
-	}
-	/* Either the SSL is alive and well, or the closing process still has
-	 * outgoing data waiting to be sent */
-	return 1;
+    unsigned int loop;
+    if (machine->ssl == NULL) {
+        if (buffer_empty(&machine->clean_out))
+            /* Time to close this state-machine altogether */
+            return 0;
+        else
+            /* Still buffered data on the clean side to go out */
+            return 1;
+    }
+    /*
+     * Do this loop twice to cover any dependencies about which precise order
+     * of reads and writes is required.
+     */
+    for (loop = 0; loop < 2; loop++) {
+        buffer_to_SSL(&machine->clean_in, machine->ssl);
+        buffer_to_BIO(&machine->dirty_in, machine->bio_intossl);
+        buffer_from_SSL(&machine->clean_out, machine->ssl);
+        buffer_from_BIO(&machine->dirty_out, machine->bio_fromssl);
+    }
+    /*
+     * We close on the SSL side if the info callback noticed some problems or
+     * an SSL shutdown was underway and shutdown traffic had all been sent.
+     */
+    if (SSL_get_app_data(machine->ssl) || (SSL_get_shutdown(machine->ssl) &&
+                                           buffer_empty(&machine->dirty_out)))
+    {
+        /* Great, we can seal off the dirty side completely */
+        if (!state_machine_close_dirty(machine))
+            return 0;
+    }
+    /*
+     * Either the SSL is alive and well, or the closing process still has
+     * outgoing data waiting to be sent
+     */
+    return 1;
 }
 
 /* Called when the clean side of the SSL has lost its connection */
-int state_machine_close_clean(state_machine_t *machine)
+int state_machine_close_clean(state_machine_t * machine)
 {
-	/* Well, first thing to do is null out the clean-side buffers - they're
-	 * no use any more. */
-	buffer_close(&machine->clean_in);
-	buffer_close(&machine->clean_out);
-	/* And start an SSL shutdown */
-	if(machine->ssl)
-		SSL_shutdown(machine->ssl);
-	/* This is an "event", so flush the SSL of any generated traffic */
-	state_machine_churn(machine);
-	if(buffer_empty(&machine->dirty_in) &&
-			buffer_empty(&machine->dirty_out))
-		return 0;
-	return 1;
+    /*
+     * Well, first thing to do is null out the clean-side buffers - they're
+     * no use any more.
+     */
+    buffer_close(&machine->clean_in);
+    buffer_close(&machine->clean_out);
+    /* And start an SSL shutdown */
+    if (machine->ssl)
+        SSL_shutdown(machine->ssl);
+    /* This is an "event", so flush the SSL of any generated traffic */
+    state_machine_churn(machine);
+    if (buffer_empty(&machine->dirty_in) && buffer_empty(&machine->dirty_out))
+        return 0;
+    return 1;
 }
 
-/* Called when the dirty side of the SSL has lost its connection. This is pretty
- * terminal as all that can be left to do is send any buffered output on the
- * clean side - after that, we're done. */
-int state_machine_close_dirty(state_machine_t *machine)
+/*
+ * Called when the dirty side of the SSL has lost its connection. This is
+ * pretty terminal as all that can be left to do is send any buffered output
+ * on the clean side - after that, we're done.
+ */
+int state_machine_close_dirty(state_machine_t * machine)
 {
-	buffer_close(&machine->dirty_in);
-	buffer_close(&machine->dirty_out);
-	buffer_close(&machine->clean_in);
-	if(machine->ssl)
-		SSL_free(machine->ssl);
-	machine->ssl = NULL;
-	machine->bio_intossl = machine->bio_fromssl = NULL;
-	if(buffer_empty(&machine->clean_out))
-		return 0;
-	return 1;
+    buffer_close(&machine->dirty_in);
+    buffer_close(&machine->dirty_out);
+    buffer_close(&machine->clean_in);
+    if (machine->ssl)
+        SSL_free(machine->ssl);
+    machine->ssl = NULL;
+    machine->bio_intossl = machine->bio_fromssl = NULL;
+    if (buffer_empty(&machine->clean_out))
+        return 0;
+    return 1;
 }
 
-#endif /* !defined(NO_TUNALA) */
-
+#endif                          /* !defined(NO_TUNALA) */
diff --git a/openssl/demos/tunala/tunala.c b/openssl/demos/tunala/tunala.c
index ec49d3e94..11a7c5bb1 100644
--- a/openssl/demos/tunala/tunala.c
+++ b/openssl/demos/tunala/tunala.c
@@ -1,65 +1,81 @@
 #if defined(NO_BUFFER) || defined(NO_IP) || defined(NO_OPENSSL)
-#error "Badness, NO_BUFFER, NO_IP or NO_OPENSSL is defined, turn them *off*"
+# error "Badness, NO_BUFFER, NO_IP or NO_OPENSSL is defined, turn them *off*"
 #endif
 
 /* Include our bits'n'pieces */
 #include "tunala.h"
 
-
 /********************************************/
 /* Our local types that specify our "world" */
 /********************************************/
 
-/* These represent running "tunnels". Eg. if you wanted to do SSL in a
- * "message-passing" scanario, the "int" file-descriptors might be replaced by
- * thread or process IDs, and the "select" code might be replaced by message
- * handling code. Whatever. */
+/*
+ * These represent running "tunnels". Eg. if you wanted to do SSL in a
+ * "message-passing" scanario, the "int" file-descriptors might be replaced
+ * by thread or process IDs, and the "select" code might be replaced by
+ * message handling code. Whatever.
+ */
 typedef struct _tunala_item_t {
-	/* The underlying SSL state machine. This is a data-only processing unit
-	 * and we communicate with it by talking to its four "buffers". */
-	state_machine_t sm;
-	/* The file-descriptors for the "dirty" (encrypted) side of the SSL
-	 * setup. In actuality, this is typically a socket and both values are
-	 * identical. */
-	int dirty_read, dirty_send;
-	/* The file-descriptors for the "clean" (unencrypted) side of the SSL
-	 * setup. These could be stdin/stdout, a socket (both values the same),
-	 * or whatever you like. */
-	int clean_read, clean_send;
+    /*
+     * The underlying SSL state machine. This is a data-only processing unit
+     * and we communicate with it by talking to its four "buffers".
+     */
+    state_machine_t sm;
+    /*
+     * The file-descriptors for the "dirty" (encrypted) side of the SSL
+     * setup. In actuality, this is typically a socket and both values are
+     * identical.
+     */
+    int dirty_read, dirty_send;
+    /*
+     * The file-descriptors for the "clean" (unencrypted) side of the SSL
+     * setup. These could be stdin/stdout, a socket (both values the same),
+     * or whatever you like.
+     */
+    int clean_read, clean_send;
 } tunala_item_t;
 
-/* This structure is used as the data for running the main loop. Namely, in a
+/*
+ * This structure is used as the data for running the main loop. Namely, in a
  * network format such as this, it is stuff for select() - but as pointed out,
  * when moving the real-world to somewhere else, this might be replaced by
  * something entirely different. It's basically the stuff that controls when
- * it's time to do some "work". */
+ * it's time to do some "work".
+ */
 typedef struct _select_sets_t {
-	int max; /* As required as the first argument to select() */
-	fd_set reads, sends, excepts; /* As passed to select() */
+    int max;                    /* As required as the first argument to
+                                 * select() */
+    fd_set reads, sends, excepts; /* As passed to select() */
 } select_sets_t;
 typedef struct _tunala_selector_t {
-	select_sets_t last_selected; /* Results of the last select() */
-	select_sets_t next_select; /* What we'll next select on */
+    select_sets_t last_selected; /* Results of the last select() */
+    select_sets_t next_select;  /* What we'll next select on */
 } tunala_selector_t;
 
-/* This structure is *everything*. We do it to avoid the use of globals so that,
- * for example, it would be easier to shift things around between async-IO,
- * thread-based, or multi-fork()ed (or combinations thereof). */
+/*
+ * This structure is *everything*. We do it to avoid the use of globals so
+ * that, for example, it would be easier to shift things around between
+ * async-IO, thread-based, or multi-fork()ed (or combinations thereof).
+ */
 typedef struct _tunala_world_t {
-	/* The file-descriptor we "listen" on for new connections */
-	int listen_fd;
-	/* The array of tunnels */
-	tunala_item_t *tunnels;
-	/* the number of tunnels in use and allocated, respectively */
-	unsigned int tunnels_used, tunnels_size;
-	/* Our outside "loop" context stuff */
-	tunala_selector_t selector;
-	/* Our SSL_CTX, which is configured as the SSL client or server and has
-	 * the various cert-settings and callbacks configured. */
-	SSL_CTX *ssl_ctx;
-	/* Simple flag with complex logic :-) Indicates whether we're an SSL
-	 * server or an SSL client. */
-	int server_mode;
+    /* The file-descriptor we "listen" on for new connections */
+    int listen_fd;
+    /* The array of tunnels */
+    tunala_item_t *tunnels;
+    /* the number of tunnels in use and allocated, respectively */
+    unsigned int tunnels_used, tunnels_size;
+    /* Our outside "loop" context stuff */
+    tunala_selector_t selector;
+    /*
+     * Our SSL_CTX, which is configured as the SSL client or server and has
+     * the various cert-settings and callbacks configured.
+     */
+    SSL_CTX *ssl_ctx;
+    /*
+     * Simple flag with complex logic :-) Indicates whether we're an SSL
+     * server or an SSL client.
+     */
+    int server_mode;
 } tunala_world_t;
 
 /*****************************/
@@ -67,22 +83,30 @@ typedef struct _tunala_world_t {
 /*****************************/
 
 static SSL_CTX *initialise_ssl_ctx(int server_mode, const char *engine_id,
-		const char *CAfile, const char *cert, const char *key,
-		const char *dcert, const char *dkey, const char *cipher_list,
-		const char *dh_file, const char *dh_special, int tmp_rsa,
-		int ctx_options, int out_state, int out_verify, int verify_mode,
-		unsigned int verify_depth);
-static void selector_init(tunala_selector_t *selector);
-static void selector_add_listener(tunala_selector_t *selector, int fd);
-static void selector_add_tunala(tunala_selector_t *selector, tunala_item_t *t);
-static int selector_select(tunala_selector_t *selector);
-/* This returns -1 for error, 0 for no new connections, or 1 for success, in
- * which case *newfd is populated. */
-static int selector_get_listener(tunala_selector_t *selector, int fd, int *newfd);
-static int tunala_world_new_item(tunala_world_t *world, int fd,
-		const char *ip, unsigned short port, int flipped);
-static void tunala_world_del_item(tunala_world_t *world, unsigned int idx);
-static int tunala_item_io(tunala_selector_t *selector, tunala_item_t *item);
+                                   const char *CAfile, const char *cert,
+                                   const char *key, const char *dcert,
+                                   const char *dkey, const char *cipher_list,
+                                   const char *dh_file,
+                                   const char *dh_special, int tmp_rsa,
+                                   int ctx_options, int out_state,
+                                   int out_verify, int verify_mode,
+                                   unsigned int verify_depth);
+static void selector_init(tunala_selector_t * selector);
+static void selector_add_listener(tunala_selector_t * selector, int fd);
+static void selector_add_tunala(tunala_selector_t * selector,
+                                tunala_item_t * t);
+static int selector_select(tunala_selector_t * selector);
+/*
+ * This returns -1 for error, 0 for no new connections, or 1 for success, in
+ * which case *newfd is populated.
+ */
+static int selector_get_listener(tunala_selector_t * selector, int fd,
+                                 int *newfd);
+static int tunala_world_new_item(tunala_world_t * world, int fd,
+                                 const char *ip, unsigned short port,
+                                 int flipped);
+static void tunala_world_del_item(tunala_world_t * world, unsigned int idx);
+static int tunala_item_io(tunala_selector_t * selector, tunala_item_t * item);
 
 /*********************************************/
 /* MAIN FUNCTION (and its utility functions) */
@@ -112,492 +136,518 @@ static int def_out_totals = 0;
 static int def_out_conns = 0;
 
 static const char *helpstring =
-"\n'Tunala' (A tunneler with a New Zealand accent)\n"
-"Usage: tunala [options], where options are from;\n"
-" -listen [host:]<port>  (default = 127.0.0.1:8080)\n"
-" -proxy <host>:<port>   (default = 127.0.0.1:443)\n"
-" -maxtunnels <num>      (default = 50)\n"
-" -cacert <path|NULL>    (default = NULL)\n"
-" -cert <path|NULL>      (default = NULL)\n"
-" -key <path|NULL>       (default = whatever '-cert' is)\n"
-" -dcert <path|NULL>     (usually for DSA, default = NULL)\n"
-" -dkey <path|NULL>      (usually for DSA, default = whatever '-dcert' is)\n"
-" -engine <id|NULL>      (default = NULL)\n"
-" -server <0|1>          (default = 0, ie. an SSL client)\n"
-" -flipped <0|1>         (makes SSL servers be network clients, and vice versa)\n"
-" -cipher <list>         (specifies cipher list to use)\n"
-" -dh_file <path>        (a PEM file containing DH parameters to use)\n"
-" -dh_special <NULL|generate|standard> (see below: def=NULL)\n"
-" -no_tmp_rsa            (don't generate temporary RSA keys)\n"
-" -no_ssl2               (disable SSLv2)\n"
-" -no_ssl3               (disable SSLv3)\n"
-" -no_tls1               (disable TLSv1)\n"
-" -v_peer                (verify the peer certificate)\n"
-" -v_strict              (do not continue if peer doesn't authenticate)\n"
-" -v_once                (no verification in renegotiates)\n"
-" -v_depth <num>         (limit certificate chain depth, default = 10)\n"
-" -out_conns             (prints client connections and disconnections)\n"
-" -out_state             (prints SSL handshake states)\n"
-" -out_verify <0|1|2|3>  (prints certificate verification states: def=1)\n"
-" -out_totals            (prints out byte-totals when a tunnel closes)\n"
-" -<h|help|?>            (displays this help screen)\n"
-"Notes:\n"
-"(1) It is recommended to specify a cert+key when operating as an SSL server.\n"
-"    If you only specify '-cert', the same file must contain a matching\n"
-"    private key.\n"
-"(2) Either dh_file or dh_special can be used to specify where DH parameters\n"
-"    will be obtained from (or '-dh_special NULL' for the default choice) but\n"
-"    you cannot specify both. For dh_special, 'generate' will create new DH\n"
-"    parameters on startup, and 'standard' will use embedded parameters\n"
-"    instead.\n"
-"(3) Normally an ssl client connects to an ssl server - so that an 'ssl client\n"
-"    tunala' listens for 'clean' client connections and proxies ssl, and an\n"
-"    'ssl server tunala' listens for ssl connections and proxies 'clean'. With\n"
-"    '-flipped 1', this behaviour is reversed so that an 'ssl server tunala'\n"
-"    listens for clean client connections and proxies ssl (but participating\n"
-"    as an ssl *server* in the SSL/TLS protocol), and an 'ssl client tunala'\n"
-"    listens for ssl connections (participating as an ssl *client* in the\n"
-"    SSL/TLS protocol) and proxies 'clean' to the end destination. This can\n"
-"    be useful for allowing network access to 'servers' where only the server\n"
-"    needs to authenticate the client (ie. the other way is not required).\n"
-"    Even with client and server authentication, this 'technique' mitigates\n"
-"    some DoS (denial-of-service) potential as it will be the network client\n"
-"    having to perform the first private key operation rather than the other\n"
-"    way round.\n"
-"(4) The 'technique' used by setting '-flipped 1' is probably compatible with\n"
-"    absolutely nothing except another complimentary instance of 'tunala'\n"
-"    running with '-flipped 1'. :-)\n";
+    "\n'Tunala' (A tunneler with a New Zealand accent)\n"
+    "Usage: tunala [options], where options are from;\n"
+    " -listen [host:]<port>  (default = 127.0.0.1:8080)\n"
+    " -proxy <host>:<port>   (default = 127.0.0.1:443)\n"
+    " -maxtunnels <num>      (default = 50)\n"
+    " -cacert <path|NULL>    (default = NULL)\n"
+    " -cert <path|NULL>      (default = NULL)\n"
+    " -key <path|NULL>       (default = whatever '-cert' is)\n"
+    " -dcert <path|NULL>     (usually for DSA, default = NULL)\n"
+    " -dkey <path|NULL>      (usually for DSA, default = whatever '-dcert' is)\n"
+    " -engine <id|NULL>      (default = NULL)\n"
+    " -server <0|1>          (default = 0, ie. an SSL client)\n"
+    " -flipped <0|1>         (makes SSL servers be network clients, and vice versa)\n"
+    " -cipher <list>         (specifies cipher list to use)\n"
+    " -dh_file <path>        (a PEM file containing DH parameters to use)\n"
+    " -dh_special <NULL|generate|standard> (see below: def=NULL)\n"
+    " -no_tmp_rsa            (don't generate temporary RSA keys)\n"
+    " -no_ssl2               (disable SSLv2)\n"
+    " -no_ssl3               (disable SSLv3)\n"
+    " -no_tls1               (disable TLSv1)\n"
+    " -v_peer                (verify the peer certificate)\n"
+    " -v_strict              (do not continue if peer doesn't authenticate)\n"
+    " -v_once                (no verification in renegotiates)\n"
+    " -v_depth <num>         (limit certificate chain depth, default = 10)\n"
+    " -out_conns             (prints client connections and disconnections)\n"
+    " -out_state             (prints SSL handshake states)\n"
+    " -out_verify <0|1|2|3>  (prints certificate verification states: def=1)\n"
+    " -out_totals            (prints out byte-totals when a tunnel closes)\n"
+    " -<h|help|?>            (displays this help screen)\n"
+    "Notes:\n"
+    "(1) It is recommended to specify a cert+key when operating as an SSL server.\n"
+    "    If you only specify '-cert', the same file must contain a matching\n"
+    "    private key.\n"
+    "(2) Either dh_file or dh_special can be used to specify where DH parameters\n"
+    "    will be obtained from (or '-dh_special NULL' for the default choice) but\n"
+    "    you cannot specify both. For dh_special, 'generate' will create new DH\n"
+    "    parameters on startup, and 'standard' will use embedded parameters\n"
+    "    instead.\n"
+    "(3) Normally an ssl client connects to an ssl server - so that an 'ssl client\n"
+    "    tunala' listens for 'clean' client connections and proxies ssl, and an\n"
+    "    'ssl server tunala' listens for ssl connections and proxies 'clean'. With\n"
+    "    '-flipped 1', this behaviour is reversed so that an 'ssl server tunala'\n"
+    "    listens for clean client connections and proxies ssl (but participating\n"
+    "    as an ssl *server* in the SSL/TLS protocol), and an 'ssl client tunala'\n"
+    "    listens for ssl connections (participating as an ssl *client* in the\n"
+    "    SSL/TLS protocol) and proxies 'clean' to the end destination. This can\n"
+    "    be useful for allowing network access to 'servers' where only the server\n"
+    "    needs to authenticate the client (ie. the other way is not required).\n"
+    "    Even with client and server authentication, this 'technique' mitigates\n"
+    "    some DoS (denial-of-service) potential as it will be the network client\n"
+    "    having to perform the first private key operation rather than the other\n"
+    "    way round.\n"
+    "(4) The 'technique' used by setting '-flipped 1' is probably compatible with\n"
+    "    absolutely nothing except another complimentary instance of 'tunala'\n"
+    "    running with '-flipped 1'. :-)\n";
+
+/*
+ * Default DH parameters for use with "-dh_special standard" ... stolen
+ * striaght from s_server.
+ */
+static unsigned char dh512_p[] = {
+    0xDA, 0x58, 0x3C, 0x16, 0xD9, 0x85, 0x22, 0x89, 0xD0, 0xE4, 0xAF, 0x75,
+    0x6F, 0x4C, 0xCA, 0x92, 0xDD, 0x4B, 0xE5, 0x33, 0xB8, 0x04, 0xFB, 0x0F,
+    0xED, 0x94, 0xEF, 0x9C, 0x8A, 0x44, 0x03, 0xED, 0x57, 0x46, 0x50, 0xD3,
+    0x69, 0x99, 0xDB, 0x29, 0xD7, 0x76, 0x27, 0x6B, 0xA2, 0xD3, 0xD4, 0x12,
+    0xE2, 0x18, 0xF4, 0xDD, 0x1E, 0x08, 0x4C, 0xF6, 0xD8, 0x00, 0x3E, 0x7C,
+    0x47, 0x74, 0xE8, 0x33,
+};
 
-/* Default DH parameters for use with "-dh_special standard" ... stolen striaght
- * from s_server. */
-static unsigned char dh512_p[]={
-	0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
-	0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
-	0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
-	0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
-	0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
-	0x47,0x74,0xE8,0x33,
-	};
-static unsigned char dh512_g[]={
-	0x02,
-	};
+static unsigned char dh512_g[] = {
+    0x02,
+};
 
-/* And the function that parses the above "standard" parameters, again, straight
- * out of s_server. */
+/*
+ * And the function that parses the above "standard" parameters, again,
+ * straight out of s_server.
+ */
 static DH *get_dh512(void)
-	{
-	DH *dh=NULL;
+{
+    DH *dh = NULL;
 
-	if ((dh=DH_new()) == NULL) return(NULL);
-	dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
-	dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
-	if ((dh->p == NULL) || (dh->g == NULL))
-		return(NULL);
-	return(dh);
-	}
+    if ((dh = DH_new()) == NULL)
+        return (NULL);
+    dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
+    dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
+    if ((dh->p == NULL) || (dh->g == NULL))
+        return (NULL);
+    return (dh);
+}
 
 /* Various help/error messages used by main() */
 static int usage(const char *errstr, int isunknownarg)
 {
-	if(isunknownarg)
-		fprintf(stderr, "Error: unknown argument '%s'\n", errstr);
-	else
-		fprintf(stderr, "Error: %s\n", errstr);
-	fprintf(stderr, "%s\n", helpstring);
-	return 1;
+    if (isunknownarg)
+        fprintf(stderr, "Error: unknown argument '%s'\n", errstr);
+    else
+        fprintf(stderr, "Error: %s\n", errstr);
+    fprintf(stderr, "%s\n", helpstring);
+    return 1;
 }
 
 static int err_str0(const char *str0)
 {
-	fprintf(stderr, "%s\n", str0);
-	return 1;
+    fprintf(stderr, "%s\n", str0);
+    return 1;
 }
 
 static int err_str1(const char *fmt, const char *str1)
 {
-	fprintf(stderr, fmt, str1);
-	fprintf(stderr, "\n");
-	return 1;
+    fprintf(stderr, fmt, str1);
+    fprintf(stderr, "\n");
+    return 1;
 }
 
 static int parse_max_tunnels(const char *s, unsigned int *maxtunnels)
 {
-	unsigned long l;
-	if(!int_strtoul(s, &l) || (l < 1) || (l > 1024)) {
-		fprintf(stderr, "Error, '%s' is an invalid value for "
-				"maxtunnels\n", s);
-		return 0;
-	}
-	*maxtunnels = (unsigned int)l;
-	return 1;
+    unsigned long l;
+    if (!int_strtoul(s, &l) || (l < 1) || (l > 1024)) {
+        fprintf(stderr, "Error, '%s' is an invalid value for "
+                "maxtunnels\n", s);
+        return 0;
+    }
+    *maxtunnels = (unsigned int)l;
+    return 1;
 }
 
 static int parse_server_mode(const char *s, int *servermode)
 {
-	unsigned long l;
-	if(!int_strtoul(s, &l) || (l > 1)) {
-		fprintf(stderr, "Error, '%s' is an invalid value for the "
-				"server mode\n", s);
-		return 0;
-	}
-	*servermode = (int)l;
-	return 1;
+    unsigned long l;
+    if (!int_strtoul(s, &l) || (l > 1)) {
+        fprintf(stderr, "Error, '%s' is an invalid value for the "
+                "server mode\n", s);
+        return 0;
+    }
+    *servermode = (int)l;
+    return 1;
 }
 
 static int parse_dh_special(const char *s, const char **dh_special)
 {
-	if((strcmp(s, "NULL") == 0) || (strcmp(s, "generate") == 0) ||
-			(strcmp(s, "standard") == 0)) {
-		*dh_special = s;
-		return 1;
-	}
-	fprintf(stderr, "Error, '%s' is an invalid value for 'dh_special'\n", s);
-	return 0;
+    if ((strcmp(s, "NULL") == 0) || (strcmp(s, "generate") == 0) ||
+        (strcmp(s, "standard") == 0)) {
+        *dh_special = s;
+        return 1;
+    }
+    fprintf(stderr, "Error, '%s' is an invalid value for 'dh_special'\n", s);
+    return 0;
 }
 
 static int parse_verify_level(const char *s, unsigned int *verify_level)
 {
-	unsigned long l;
-	if(!int_strtoul(s, &l) || (l > 3)) {
-		fprintf(stderr, "Error, '%s' is an invalid value for "
-				"out_verify\n", s);
-		return 0;
-	}
-	*verify_level = (unsigned int)l;
-	return 1;
+    unsigned long l;
+    if (!int_strtoul(s, &l) || (l > 3)) {
+        fprintf(stderr, "Error, '%s' is an invalid value for "
+                "out_verify\n", s);
+        return 0;
+    }
+    *verify_level = (unsigned int)l;
+    return 1;
 }
 
 static int parse_verify_depth(const char *s, unsigned int *verify_depth)
 {
-	unsigned long l;
-	if(!int_strtoul(s, &l) || (l < 1) || (l > 50)) {
-		fprintf(stderr, "Error, '%s' is an invalid value for "
-				"verify_depth\n", s);
-		return 0;
-	}
-	*verify_depth = (unsigned int)l;
-	return 1;
+    unsigned long l;
+    if (!int_strtoul(s, &l) || (l < 1) || (l > 50)) {
+        fprintf(stderr, "Error, '%s' is an invalid value for "
+                "verify_depth\n", s);
+        return 0;
+    }
+    *verify_depth = (unsigned int)l;
+    return 1;
 }
 
 /* Some fprintf format strings used when tunnels close */
 static const char *io_stats_dirty =
-"    SSL traffic;   %8lu bytes in, %8lu bytes out\n";
+    "    SSL traffic;   %8lu bytes in, %8lu bytes out\n";
 static const char *io_stats_clean =
-"    clear traffic; %8lu bytes in, %8lu bytes out\n";
+    "    clear traffic; %8lu bytes in, %8lu bytes out\n";
 
 int main(int argc, char *argv[])
 {
-	unsigned int loop;
-	int newfd;
-	tunala_world_t world;
-	tunala_item_t *t_item;
-	const char *proxy_ip;
-	unsigned short proxy_port;
-	/* Overridables */
-	const char *proxyhost = def_proxyhost;
-	const char *listenhost = def_listenhost;
-	unsigned int max_tunnels = def_max_tunnels;
-	const char *cacert = def_cacert;
-	const char *cert = def_cert;
-	const char *key = def_key;
-	const char *dcert = def_dcert;
-	const char *dkey = def_dkey;
-	const char *engine_id = def_engine_id;
-	int server_mode = def_server_mode;
-	int flipped = def_flipped;
-	const char *cipher_list = def_cipher_list;
-	const char *dh_file = def_dh_file;
-	const char *dh_special = def_dh_special;
-	int tmp_rsa = def_tmp_rsa;
-	int ctx_options = def_ctx_options;
-	int verify_mode = def_verify_mode;
-	unsigned int verify_depth = def_verify_depth;
-	int out_state = def_out_state;
-	unsigned int out_verify = def_out_verify;
-	int out_totals = def_out_totals;
-	int out_conns = def_out_conns;
+    unsigned int loop;
+    int newfd;
+    tunala_world_t world;
+    tunala_item_t *t_item;
+    const char *proxy_ip;
+    unsigned short proxy_port;
+    /* Overridables */
+    const char *proxyhost = def_proxyhost;
+    const char *listenhost = def_listenhost;
+    unsigned int max_tunnels = def_max_tunnels;
+    const char *cacert = def_cacert;
+    const char *cert = def_cert;
+    const char *key = def_key;
+    const char *dcert = def_dcert;
+    const char *dkey = def_dkey;
+    const char *engine_id = def_engine_id;
+    int server_mode = def_server_mode;
+    int flipped = def_flipped;
+    const char *cipher_list = def_cipher_list;
+    const char *dh_file = def_dh_file;
+    const char *dh_special = def_dh_special;
+    int tmp_rsa = def_tmp_rsa;
+    int ctx_options = def_ctx_options;
+    int verify_mode = def_verify_mode;
+    unsigned int verify_depth = def_verify_depth;
+    int out_state = def_out_state;
+    unsigned int out_verify = def_out_verify;
+    int out_totals = def_out_totals;
+    int out_conns = def_out_conns;
 
 /* Parse command-line arguments */
-next_arg:
-	argc--; argv++;
-	if(argc > 0) {
-		if(strcmp(*argv, "-listen") == 0) {
-			if(argc < 2)
-				return usage("-listen requires an argument", 0);
-			argc--; argv++;
-			listenhost = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-proxy") == 0) {
-			if(argc < 2)
-				return usage("-proxy requires an argument", 0);
-			argc--; argv++;
-			proxyhost = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-maxtunnels") == 0) {
-			if(argc < 2)
-				return usage("-maxtunnels requires an argument", 0);
-			argc--; argv++;
-			if(!parse_max_tunnels(*argv, &max_tunnels))
-				return 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-cacert") == 0) {
-			if(argc < 2)
-				return usage("-cacert requires an argument", 0);
-			argc--; argv++;
-			if(strcmp(*argv, "NULL") == 0)
-				cacert = NULL;
-			else
-				cacert = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-cert") == 0) {
-			if(argc < 2)
-				return usage("-cert requires an argument", 0);
-			argc--; argv++;
-			if(strcmp(*argv, "NULL") == 0)
-				cert = NULL;
-			else
-				cert = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-key") == 0) {
-			if(argc < 2)
-				return usage("-key requires an argument", 0);
-			argc--; argv++;
-			if(strcmp(*argv, "NULL") == 0)
-				key = NULL;
-			else
-				key = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-dcert") == 0) {
-			if(argc < 2)
-				return usage("-dcert requires an argument", 0);
-			argc--; argv++;
-			if(strcmp(*argv, "NULL") == 0)
-				dcert = NULL;
-			else
-				dcert = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-dkey") == 0) {
-			if(argc < 2)
-				return usage("-dkey requires an argument", 0);
-			argc--; argv++;
-			if(strcmp(*argv, "NULL") == 0)
-				dkey = NULL;
-			else
-				dkey = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-engine") == 0) {
-			if(argc < 2)
-				return usage("-engine requires an argument", 0);
-			argc--; argv++;
-			engine_id = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-server") == 0) {
-			if(argc < 2)
-				return usage("-server requires an argument", 0);
-			argc--; argv++;
-			if(!parse_server_mode(*argv, &server_mode))
-				return 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-flipped") == 0) {
-			if(argc < 2)
-				return usage("-flipped requires an argument", 0);
-			argc--; argv++;
-			if(!parse_server_mode(*argv, &flipped))
-				return 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-cipher") == 0) {
-			if(argc < 2)
-				return usage("-cipher requires an argument", 0);
-			argc--; argv++;
-			cipher_list = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-dh_file") == 0) {
-			if(argc < 2)
-				return usage("-dh_file requires an argument", 0);
-			if(dh_special)
-				return usage("cannot mix -dh_file with "
-						"-dh_special", 0);
-			argc--; argv++;
-			dh_file = *argv;
-			goto next_arg;
-		} else if(strcmp(*argv, "-dh_special") == 0) {
-			if(argc < 2)
-				return usage("-dh_special requires an argument", 0);
-			if(dh_file)
-				return usage("cannot mix -dh_file with "
-						"-dh_special", 0);
-			argc--; argv++;
-			if(!parse_dh_special(*argv, &dh_special))
-				return 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-no_tmp_rsa") == 0) {
-			tmp_rsa = 0;
-			goto next_arg;
-		} else if(strcmp(*argv, "-no_ssl2") == 0) {
-			ctx_options |= SSL_OP_NO_SSLv2;
-			goto next_arg;
-		} else if(strcmp(*argv, "-no_ssl3") == 0) {
-			ctx_options |= SSL_OP_NO_SSLv3;
-			goto next_arg;
-		} else if(strcmp(*argv, "-no_tls1") == 0) {
-			ctx_options |= SSL_OP_NO_TLSv1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-v_peer") == 0) {
-			verify_mode |= SSL_VERIFY_PEER;
-			goto next_arg;
-		} else if(strcmp(*argv, "-v_strict") == 0) {
-			verify_mode |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
-			goto next_arg;
-		} else if(strcmp(*argv, "-v_once") == 0) {
-			verify_mode |= SSL_VERIFY_CLIENT_ONCE;
-			goto next_arg;
-		} else if(strcmp(*argv, "-v_depth") == 0) {
-			if(argc < 2)
-				return usage("-v_depth requires an argument", 0);
-			argc--; argv++;
-			if(!parse_verify_depth(*argv, &verify_depth))
-				return 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-out_state") == 0) {
-			out_state = 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-out_verify") == 0) {
-			if(argc < 2)
-				return usage("-out_verify requires an argument", 0);
-			argc--; argv++;
-			if(!parse_verify_level(*argv, &out_verify))
-				return 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-out_totals") == 0) {
-			out_totals = 1;
-			goto next_arg;
-		} else if(strcmp(*argv, "-out_conns") == 0) {
-			out_conns = 1;
-			goto next_arg;
-		} else if((strcmp(*argv, "-h") == 0) ||
-				(strcmp(*argv, "-help") == 0) ||
-				(strcmp(*argv, "-?") == 0)) {
-			fprintf(stderr, "%s\n", helpstring);
-			return 0;
-		} else
-			return usage(*argv, 1);
-	}
-	/* Run any sanity checks we want here */
-	if(!cert && !dcert && server_mode)
-		fprintf(stderr, "WARNING: you are running an SSL server without "
-				"a certificate - this may not work!\n");
+ next_arg:
+    argc--;
+    argv++;
+    if (argc > 0) {
+        if (strcmp(*argv, "-listen") == 0) {
+            if (argc < 2)
+                return usage("-listen requires an argument", 0);
+            argc--;
+            argv++;
+            listenhost = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-proxy") == 0) {
+            if (argc < 2)
+                return usage("-proxy requires an argument", 0);
+            argc--;
+            argv++;
+            proxyhost = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-maxtunnels") == 0) {
+            if (argc < 2)
+                return usage("-maxtunnels requires an argument", 0);
+            argc--;
+            argv++;
+            if (!parse_max_tunnels(*argv, &max_tunnels))
+                return 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-cacert") == 0) {
+            if (argc < 2)
+                return usage("-cacert requires an argument", 0);
+            argc--;
+            argv++;
+            if (strcmp(*argv, "NULL") == 0)
+                cacert = NULL;
+            else
+                cacert = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-cert") == 0) {
+            if (argc < 2)
+                return usage("-cert requires an argument", 0);
+            argc--;
+            argv++;
+            if (strcmp(*argv, "NULL") == 0)
+                cert = NULL;
+            else
+                cert = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-key") == 0) {
+            if (argc < 2)
+                return usage("-key requires an argument", 0);
+            argc--;
+            argv++;
+            if (strcmp(*argv, "NULL") == 0)
+                key = NULL;
+            else
+                key = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-dcert") == 0) {
+            if (argc < 2)
+                return usage("-dcert requires an argument", 0);
+            argc--;
+            argv++;
+            if (strcmp(*argv, "NULL") == 0)
+                dcert = NULL;
+            else
+                dcert = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-dkey") == 0) {
+            if (argc < 2)
+                return usage("-dkey requires an argument", 0);
+            argc--;
+            argv++;
+            if (strcmp(*argv, "NULL") == 0)
+                dkey = NULL;
+            else
+                dkey = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-engine") == 0) {
+            if (argc < 2)
+                return usage("-engine requires an argument", 0);
+            argc--;
+            argv++;
+            engine_id = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-server") == 0) {
+            if (argc < 2)
+                return usage("-server requires an argument", 0);
+            argc--;
+            argv++;
+            if (!parse_server_mode(*argv, &server_mode))
+                return 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-flipped") == 0) {
+            if (argc < 2)
+                return usage("-flipped requires an argument", 0);
+            argc--;
+            argv++;
+            if (!parse_server_mode(*argv, &flipped))
+                return 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-cipher") == 0) {
+            if (argc < 2)
+                return usage("-cipher requires an argument", 0);
+            argc--;
+            argv++;
+            cipher_list = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-dh_file") == 0) {
+            if (argc < 2)
+                return usage("-dh_file requires an argument", 0);
+            if (dh_special)
+                return usage("cannot mix -dh_file with " "-dh_special", 0);
+            argc--;
+            argv++;
+            dh_file = *argv;
+            goto next_arg;
+        } else if (strcmp(*argv, "-dh_special") == 0) {
+            if (argc < 2)
+                return usage("-dh_special requires an argument", 0);
+            if (dh_file)
+                return usage("cannot mix -dh_file with " "-dh_special", 0);
+            argc--;
+            argv++;
+            if (!parse_dh_special(*argv, &dh_special))
+                return 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
+            tmp_rsa = 0;
+            goto next_arg;
+        } else if (strcmp(*argv, "-no_ssl2") == 0) {
+            ctx_options |= SSL_OP_NO_SSLv2;
+            goto next_arg;
+        } else if (strcmp(*argv, "-no_ssl3") == 0) {
+            ctx_options |= SSL_OP_NO_SSLv3;
+            goto next_arg;
+        } else if (strcmp(*argv, "-no_tls1") == 0) {
+            ctx_options |= SSL_OP_NO_TLSv1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-v_peer") == 0) {
+            verify_mode |= SSL_VERIFY_PEER;
+            goto next_arg;
+        } else if (strcmp(*argv, "-v_strict") == 0) {
+            verify_mode |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
+            goto next_arg;
+        } else if (strcmp(*argv, "-v_once") == 0) {
+            verify_mode |= SSL_VERIFY_CLIENT_ONCE;
+            goto next_arg;
+        } else if (strcmp(*argv, "-v_depth") == 0) {
+            if (argc < 2)
+                return usage("-v_depth requires an argument", 0);
+            argc--;
+            argv++;
+            if (!parse_verify_depth(*argv, &verify_depth))
+                return 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-out_state") == 0) {
+            out_state = 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-out_verify") == 0) {
+            if (argc < 2)
+                return usage("-out_verify requires an argument", 0);
+            argc--;
+            argv++;
+            if (!parse_verify_level(*argv, &out_verify))
+                return 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-out_totals") == 0) {
+            out_totals = 1;
+            goto next_arg;
+        } else if (strcmp(*argv, "-out_conns") == 0) {
+            out_conns = 1;
+            goto next_arg;
+        } else if ((strcmp(*argv, "-h") == 0) ||
+                   (strcmp(*argv, "-help") == 0) ||
+                   (strcmp(*argv, "-?") == 0)) {
+            fprintf(stderr, "%s\n", helpstring);
+            return 0;
+        } else
+            return usage(*argv, 1);
+    }
+    /* Run any sanity checks we want here */
+    if (!cert && !dcert && server_mode)
+        fprintf(stderr, "WARNING: you are running an SSL server without "
+                "a certificate - this may not work!\n");
 
-	/* Initialise network stuff */
-	if(!ip_initialise())
-		return err_str0("ip_initialise failed");
-	/* Create the SSL_CTX */
-	if((world.ssl_ctx = initialise_ssl_ctx(server_mode, engine_id,
-			cacert, cert, key, dcert, dkey, cipher_list, dh_file,
-			dh_special, tmp_rsa, ctx_options, out_state, out_verify,
-			verify_mode, verify_depth)) == NULL)
-		return err_str1("initialise_ssl_ctx(engine_id=%s) failed",
-			(engine_id == NULL) ? "NULL" : engine_id);
-	if(engine_id)
-		fprintf(stderr, "Info, engine '%s' initialised\n", engine_id);
-	/* Create the listener */
-	if((world.listen_fd = ip_create_listener(listenhost)) == -1)
-		return err_str1("ip_create_listener(%s) failed", listenhost);
-	fprintf(stderr, "Info, listening on '%s'\n", listenhost);
-	if(!ip_parse_address(proxyhost, &proxy_ip, &proxy_port, 0))
-		return err_str1("ip_parse_address(%s) failed", proxyhost);
-	fprintf(stderr, "Info, proxying to '%s' (%d.%d.%d.%d:%d)\n", proxyhost,
-			(int)proxy_ip[0], (int)proxy_ip[1],
-			(int)proxy_ip[2], (int)proxy_ip[3], (int)proxy_port);
-	fprintf(stderr, "Info, set maxtunnels to %d\n", (int)max_tunnels);
-	fprintf(stderr, "Info, set to operate as an SSL %s\n",
-			(server_mode ? "server" : "client"));
-	/* Initialise the rest of the stuff */
-	world.tunnels_used = world.tunnels_size = 0;
-	world.tunnels = NULL;
-	world.server_mode = server_mode;
-	selector_init(&world.selector);
+    /* Initialise network stuff */
+    if (!ip_initialise())
+        return err_str0("ip_initialise failed");
+    /* Create the SSL_CTX */
+    if ((world.ssl_ctx = initialise_ssl_ctx(server_mode, engine_id,
+                                            cacert, cert, key, dcert, dkey,
+                                            cipher_list, dh_file, dh_special,
+                                            tmp_rsa, ctx_options, out_state,
+                                            out_verify, verify_mode,
+                                            verify_depth)) == NULL)
+        return err_str1("initialise_ssl_ctx(engine_id=%s) failed",
+                        (engine_id == NULL) ? "NULL" : engine_id);
+    if (engine_id)
+        fprintf(stderr, "Info, engine '%s' initialised\n", engine_id);
+    /* Create the listener */
+    if ((world.listen_fd = ip_create_listener(listenhost)) == -1)
+        return err_str1("ip_create_listener(%s) failed", listenhost);
+    fprintf(stderr, "Info, listening on '%s'\n", listenhost);
+    if (!ip_parse_address(proxyhost, &proxy_ip, &proxy_port, 0))
+        return err_str1("ip_parse_address(%s) failed", proxyhost);
+    fprintf(stderr, "Info, proxying to '%s' (%d.%d.%d.%d:%d)\n", proxyhost,
+            (int)proxy_ip[0], (int)proxy_ip[1],
+            (int)proxy_ip[2], (int)proxy_ip[3], (int)proxy_port);
+    fprintf(stderr, "Info, set maxtunnels to %d\n", (int)max_tunnels);
+    fprintf(stderr, "Info, set to operate as an SSL %s\n",
+            (server_mode ? "server" : "client"));
+    /* Initialise the rest of the stuff */
+    world.tunnels_used = world.tunnels_size = 0;
+    world.tunnels = NULL;
+    world.server_mode = server_mode;
+    selector_init(&world.selector);
 
 /* We're ready to loop */
-main_loop:
-	/* Should we listen for *new* tunnels? */
-	if(world.tunnels_used < max_tunnels)
-		selector_add_listener(&world.selector, world.listen_fd);
-	/* We should add in our existing tunnels */
-	for(loop = 0; loop < world.tunnels_used; loop++)
-		selector_add_tunala(&world.selector, world.tunnels + loop);
-	/* Now do the select */
-	switch(selector_select(&world.selector)) {
-	case -1:
-		if(errno != EINTR) {
-			fprintf(stderr, "selector_select returned a "
-					"badness error.\n");
-			goto shouldnt_happen;
-		}
-		fprintf(stderr, "Warn, selector interrupted by a signal\n");
-		goto main_loop;
-	case 0:
-		fprintf(stderr, "Warn, selector_select returned 0 - signal?""?\n");
-		goto main_loop;
-	default:
-		break;
-	}
-	/* Accept new connection if we should and can */
-	if((world.tunnels_used < max_tunnels) && (selector_get_listener(
-					&world.selector, world.listen_fd,
-					&newfd) == 1)) {
-		/* We have a new connection */
-		if(!tunala_world_new_item(&world, newfd, proxy_ip,
-						proxy_port, flipped))
-			fprintf(stderr, "tunala_world_new_item failed\n");
-		else if(out_conns)
-			fprintf(stderr, "Info, new tunnel opened, now up to "
-					"%d\n", world.tunnels_used);
-	}
-	/* Give each tunnel its moment, note the while loop is because it makes
-	 * the logic easier than with "for" to deal with an array that may shift
-	 * because of deletes. */
-	loop = 0;
-	t_item = world.tunnels;
-	while(loop < world.tunnels_used) {
-		if(!tunala_item_io(&world.selector, t_item)) {
-			/* We're closing whether for reasons of an error or a
-			 * natural close. Don't increment loop or t_item because
-			 * the next item is moving to us! */
-			if(!out_totals)
-				goto skip_totals;
-			fprintf(stderr, "Tunnel closing, traffic stats follow\n");
-			/* Display the encrypted (over the network) stats */
-			fprintf(stderr, io_stats_dirty,
-				buffer_total_in(state_machine_get_buffer(
-						&t_item->sm,SM_DIRTY_IN)),
-				buffer_total_out(state_machine_get_buffer(
-						&t_item->sm,SM_DIRTY_OUT)));
-			/* Display the local (tunnelled) stats. NB: Data we
-			 * *receive* is data sent *out* of the state_machine on
-			 * its 'clean' side. Hence the apparent back-to-front
-			 * OUT/IN mixup here :-) */
-			fprintf(stderr, io_stats_clean,
-				buffer_total_out(state_machine_get_buffer(
-						&t_item->sm,SM_CLEAN_OUT)),
-				buffer_total_in(state_machine_get_buffer(
-						&t_item->sm,SM_CLEAN_IN)));
-skip_totals:
-			tunala_world_del_item(&world, loop);
-			if(out_conns)
-				fprintf(stderr, "Info, tunnel closed, down to %d\n",
-					world.tunnels_used);
-		}
-		else {
-			/* Move to the next item */
-			loop++;
-			t_item++;
-		}
-	}
-	goto main_loop;
-	/* Should never get here */
-shouldnt_happen:
-	abort();
-	return 1;
+ main_loop:
+    /* Should we listen for *new* tunnels? */
+    if (world.tunnels_used < max_tunnels)
+        selector_add_listener(&world.selector, world.listen_fd);
+    /* We should add in our existing tunnels */
+    for (loop = 0; loop < world.tunnels_used; loop++)
+        selector_add_tunala(&world.selector, world.tunnels + loop);
+    /* Now do the select */
+    switch (selector_select(&world.selector)) {
+    case -1:
+        if (errno != EINTR) {
+            fprintf(stderr, "selector_select returned a " "badness error.\n");
+            goto shouldnt_happen;
+        }
+        fprintf(stderr, "Warn, selector interrupted by a signal\n");
+        goto main_loop;
+    case 0:
+        fprintf(stderr, "Warn, selector_select returned 0 - signal?" "?\n");
+        goto main_loop;
+    default:
+        break;
+    }
+    /* Accept new connection if we should and can */
+    if ((world.tunnels_used < max_tunnels)
+        && (selector_get_listener(&world.selector, world.listen_fd, &newfd) ==
+            1)) {
+        /* We have a new connection */
+        if (!tunala_world_new_item(&world, newfd, proxy_ip,
+                                   proxy_port, flipped))
+            fprintf(stderr, "tunala_world_new_item failed\n");
+        else if (out_conns)
+            fprintf(stderr, "Info, new tunnel opened, now up to "
+                    "%d\n", world.tunnels_used);
+    }
+    /*
+     * Give each tunnel its moment, note the while loop is because it makes
+     * the logic easier than with "for" to deal with an array that may shift
+     * because of deletes.
+     */
+    loop = 0;
+    t_item = world.tunnels;
+    while (loop < world.tunnels_used) {
+        if (!tunala_item_io(&world.selector, t_item)) {
+            /*
+             * We're closing whether for reasons of an error or a natural
+             * close. Don't increment loop or t_item because the next item is
+             * moving to us!
+             */
+            if (!out_totals)
+                goto skip_totals;
+            fprintf(stderr, "Tunnel closing, traffic stats follow\n");
+            /* Display the encrypted (over the network) stats */
+            fprintf(stderr, io_stats_dirty,
+                    buffer_total_in(state_machine_get_buffer
+                                    (&t_item->sm, SM_DIRTY_IN)),
+                    buffer_total_out(state_machine_get_buffer
+                                     (&t_item->sm, SM_DIRTY_OUT)));
+            /*
+             * Display the local (tunnelled) stats. NB: Data we *receive* is
+             * data sent *out* of the state_machine on its 'clean' side.
+             * Hence the apparent back-to-front OUT/IN mixup here :-)
+             */
+            fprintf(stderr, io_stats_clean,
+                    buffer_total_out(state_machine_get_buffer
+                                     (&t_item->sm, SM_CLEAN_OUT)),
+                    buffer_total_in(state_machine_get_buffer
+                                    (&t_item->sm, SM_CLEAN_IN)));
+ skip_totals:
+            tunala_world_del_item(&world, loop);
+            if (out_conns)
+                fprintf(stderr, "Info, tunnel closed, down to %d\n",
+                        world.tunnels_used);
+        } else {
+            /* Move to the next item */
+            loop++;
+            t_item++;
+        }
+    }
+    goto main_loop;
+    /* Should never get here */
+ shouldnt_happen:
+    abort();
+    return 1;
 }
 
 /****************/
@@ -606,504 +656,528 @@ shouldnt_happen:
 
 static int ctx_set_cert(SSL_CTX *ctx, const char *cert, const char *key)
 {
-	FILE *fp = NULL;
-	X509 *x509 = NULL;
-	EVP_PKEY *pkey = NULL;
-	int toret = 0; /* Assume an error */
+    FILE *fp = NULL;
+    X509 *x509 = NULL;
+    EVP_PKEY *pkey = NULL;
+    int toret = 0;              /* Assume an error */
 
-	/* cert */
-	if(cert) {
-		if((fp = fopen(cert, "r")) == NULL) {
-			fprintf(stderr, "Error opening cert file '%s'\n", cert);
-			goto err;
-		}
-		if(!PEM_read_X509(fp, &x509, NULL, NULL)) {
-			fprintf(stderr, "Error reading PEM cert from '%s'\n",
-					cert);
-			goto err;
-		}
-		if(!SSL_CTX_use_certificate(ctx, x509)) {
-			fprintf(stderr, "Error, cert in '%s' can not be used\n",
-					cert);
-			goto err;
-		}
-		/* Clear the FILE* for reuse in the "key" code */
-		fclose(fp);
-		fp = NULL;
-		fprintf(stderr, "Info, operating with cert in '%s'\n", cert);
-		/* If a cert was given without matching key, we assume the same
-		 * file contains the required key. */
-		if(!key)
-			key = cert;
-	} else {
-		if(key)
-			fprintf(stderr, "Error, can't specify a key without a "
-					"corresponding certificate\n");
-		else
-			fprintf(stderr, "Error, ctx_set_cert called with "
-					"NULLs!\n");
-		goto err;
-	}
-	/* key */
-	if(key) {
-		if((fp = fopen(key, "r")) == NULL) {
-			fprintf(stderr, "Error opening key file '%s'\n", key);
-			goto err;
-		}
-		if(!PEM_read_PrivateKey(fp, &pkey, NULL, NULL)) {
-			fprintf(stderr, "Error reading PEM key from '%s'\n",
-					key);
-			goto err;
-		}
-		if(!SSL_CTX_use_PrivateKey(ctx, pkey)) {
-			fprintf(stderr, "Error, key in '%s' can not be used\n",
-					key);
-			goto err;
-		}
-		fprintf(stderr, "Info, operating with key in '%s'\n", key);
-	} else
-		fprintf(stderr, "Info, operating without a cert or key\n");
-	/* Success */
-	toret = 1; err:
-	if(x509)
-		X509_free(x509);
-	if(pkey)
-		EVP_PKEY_free(pkey);
-	if(fp)
-		fclose(fp);
-	return toret;
+    /* cert */
+    if (cert) {
+        if ((fp = fopen(cert, "r")) == NULL) {
+            fprintf(stderr, "Error opening cert file '%s'\n", cert);
+            goto err;
+        }
+        if (!PEM_read_X509(fp, &x509, NULL, NULL)) {
+            fprintf(stderr, "Error reading PEM cert from '%s'\n", cert);
+            goto err;
+        }
+        if (!SSL_CTX_use_certificate(ctx, x509)) {
+            fprintf(stderr, "Error, cert in '%s' can not be used\n", cert);
+            goto err;
+        }
+        /* Clear the FILE* for reuse in the "key" code */
+        fclose(fp);
+        fp = NULL;
+        fprintf(stderr, "Info, operating with cert in '%s'\n", cert);
+        /*
+         * If a cert was given without matching key, we assume the same file
+         * contains the required key.
+         */
+        if (!key)
+            key = cert;
+    } else {
+        if (key)
+            fprintf(stderr, "Error, can't specify a key without a "
+                    "corresponding certificate\n");
+        else
+            fprintf(stderr, "Error, ctx_set_cert called with " "NULLs!\n");
+        goto err;
+    }
+    /* key */
+    if (key) {
+        if ((fp = fopen(key, "r")) == NULL) {
+            fprintf(stderr, "Error opening key file '%s'\n", key);
+            goto err;
+        }
+        if (!PEM_read_PrivateKey(fp, &pkey, NULL, NULL)) {
+            fprintf(stderr, "Error reading PEM key from '%s'\n", key);
+            goto err;
+        }
+        if (!SSL_CTX_use_PrivateKey(ctx, pkey)) {
+            fprintf(stderr, "Error, key in '%s' can not be used\n", key);
+            goto err;
+        }
+        fprintf(stderr, "Info, operating with key in '%s'\n", key);
+    } else
+        fprintf(stderr, "Info, operating without a cert or key\n");
+    /* Success */
+    toret = 1;
+ err:
+    if (x509)
+        X509_free(x509);
+    if (pkey)
+        EVP_PKEY_free(pkey);
+    if (fp)
+        fclose(fp);
+    return toret;
 }
 
-static int ctx_set_dh(SSL_CTX *ctx, const char *dh_file, const char *dh_special)
+static int ctx_set_dh(SSL_CTX *ctx, const char *dh_file,
+                      const char *dh_special)
 {
-	DH *dh = NULL;
-	FILE *fp = NULL;
+    DH *dh = NULL;
+    FILE *fp = NULL;
 
-	if(dh_special) {
-		if(strcmp(dh_special, "NULL") == 0)
-			return 1;
-		if(strcmp(dh_special, "standard") == 0) {
-			if((dh = get_dh512()) == NULL) {
-				fprintf(stderr, "Error, can't parse 'standard'"
-						" DH parameters\n");
-				return 0;
-			}
-			fprintf(stderr, "Info, using 'standard' DH parameters\n");
-			goto do_it;
-		}
-		if(strcmp(dh_special, "generate") != 0)
-			/* This shouldn't happen - screening values is handled
-			 * in main(). */
-			abort();
-		fprintf(stderr, "Info, generating DH parameters ... ");
-		fflush(stderr);
-		if(!(dh = DH_new()) || !DH_generate_parameters_ex(dh, 512,
-					DH_GENERATOR_5, NULL)) {
-			fprintf(stderr, "error!\n");
-			if(dh)
-				DH_free(dh);
-			return 0;
-		}
-		fprintf(stderr, "complete\n");
-		goto do_it;
-	}
-	/* So, we're loading dh_file */
-	if((fp = fopen(dh_file, "r")) == NULL) {
-		fprintf(stderr, "Error, couldn't open '%s' for DH parameters\n",
-				dh_file);
-		return 0;
-	}
-	dh = PEM_read_DHparams(fp, NULL, NULL, NULL);
-	fclose(fp);
-	if(dh == NULL) {
-		fprintf(stderr, "Error, could not parse DH parameters from '%s'\n",
-				dh_file);
-		return 0;
-	}
-	fprintf(stderr, "Info, using DH parameters from file '%s'\n", dh_file);
-do_it:
-	SSL_CTX_set_tmp_dh(ctx, dh);
-	DH_free(dh);
-	return 1;
+    if (dh_special) {
+        if (strcmp(dh_special, "NULL") == 0)
+            return 1;
+        if (strcmp(dh_special, "standard") == 0) {
+            if ((dh = get_dh512()) == NULL) {
+                fprintf(stderr, "Error, can't parse 'standard'"
+                        " DH parameters\n");
+                return 0;
+            }
+            fprintf(stderr, "Info, using 'standard' DH parameters\n");
+            goto do_it;
+        }
+        if (strcmp(dh_special, "generate") != 0)
+            /*
+             * This shouldn't happen - screening values is handled in main().
+             */
+            abort();
+        fprintf(stderr, "Info, generating DH parameters ... ");
+        fflush(stderr);
+        if (!(dh = DH_new()) || !DH_generate_parameters_ex(dh, 512,
+                                                           DH_GENERATOR_5,
+                                                           NULL)) {
+            fprintf(stderr, "error!\n");
+            if (dh)
+                DH_free(dh);
+            return 0;
+        }
+        fprintf(stderr, "complete\n");
+        goto do_it;
+    }
+    /* So, we're loading dh_file */
+    if ((fp = fopen(dh_file, "r")) == NULL) {
+        fprintf(stderr, "Error, couldn't open '%s' for DH parameters\n",
+                dh_file);
+        return 0;
+    }
+    dh = PEM_read_DHparams(fp, NULL, NULL, NULL);
+    fclose(fp);
+    if (dh == NULL) {
+        fprintf(stderr, "Error, could not parse DH parameters from '%s'\n",
+                dh_file);
+        return 0;
+    }
+    fprintf(stderr, "Info, using DH parameters from file '%s'\n", dh_file);
+ do_it:
+    SSL_CTX_set_tmp_dh(ctx, dh);
+    DH_free(dh);
+    return 1;
 }
 
 static SSL_CTX *initialise_ssl_ctx(int server_mode, const char *engine_id,
-		const char *CAfile, const char *cert, const char *key,
-		const char *dcert, const char *dkey, const char *cipher_list,
-		const char *dh_file, const char *dh_special, int tmp_rsa,
-		int ctx_options, int out_state, int out_verify, int verify_mode,
-		unsigned int verify_depth)
+                                   const char *CAfile, const char *cert,
+                                   const char *key, const char *dcert,
+                                   const char *dkey, const char *cipher_list,
+                                   const char *dh_file,
+                                   const char *dh_special, int tmp_rsa,
+                                   int ctx_options, int out_state,
+                                   int out_verify, int verify_mode,
+                                   unsigned int verify_depth)
 {
-	SSL_CTX *ctx = NULL, *ret = NULL;
-	const SSL_METHOD *meth;
-	ENGINE *e = NULL;
+    SSL_CTX *ctx = NULL, *ret = NULL;
+    const SSL_METHOD *meth;
+    ENGINE *e = NULL;
 
-        OpenSSL_add_ssl_algorithms();
-        SSL_load_error_strings();
+    OpenSSL_add_ssl_algorithms();
+    SSL_load_error_strings();
 
-	meth = (server_mode ? SSLv23_server_method() : SSLv23_client_method());
-	if(meth == NULL)
-		goto err;
-	if(engine_id) {
-		ENGINE_load_builtin_engines();
-		if((e = ENGINE_by_id(engine_id)) == NULL) {
-			fprintf(stderr, "Error obtaining '%s' engine, openssl "
-					"errors follow\n", engine_id);
-			goto err;
-		}
-		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
-			fprintf(stderr, "Error assigning '%s' engine, openssl "
-					"errors follow\n", engine_id);
-			goto err;
-		}
-		ENGINE_free(e);
-	}
-	if((ctx = SSL_CTX_new(meth)) == NULL)
-		goto err;
-	/* cacert */
-	if(CAfile) {
-		if(!X509_STORE_load_locations(SSL_CTX_get_cert_store(ctx),
-					CAfile, NULL)) {
-			fprintf(stderr, "Error loading CA cert(s) in '%s'\n",
-					CAfile);
-			goto err;
-		}
-		fprintf(stderr, "Info, operating with CA cert(s) in '%s'\n",
-				CAfile);
-	} else
-		fprintf(stderr, "Info, operating without a CA cert(-list)\n");
-	if(!SSL_CTX_set_default_verify_paths(ctx)) {
-		fprintf(stderr, "Error setting default verify paths\n");
-		goto err;
-	}
+    meth = (server_mode ? SSLv23_server_method() : SSLv23_client_method());
+    if (meth == NULL)
+        goto err;
+    if (engine_id) {
+        ENGINE_load_builtin_engines();
+        if ((e = ENGINE_by_id(engine_id)) == NULL) {
+            fprintf(stderr, "Error obtaining '%s' engine, openssl "
+                    "errors follow\n", engine_id);
+            goto err;
+        }
+        if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
+            fprintf(stderr, "Error assigning '%s' engine, openssl "
+                    "errors follow\n", engine_id);
+            goto err;
+        }
+        ENGINE_free(e);
+    }
+    if ((ctx = SSL_CTX_new(meth)) == NULL)
+        goto err;
+    /* cacert */
+    if (CAfile) {
+        if (!X509_STORE_load_locations(SSL_CTX_get_cert_store(ctx),
+                                       CAfile, NULL)) {
+            fprintf(stderr, "Error loading CA cert(s) in '%s'\n", CAfile);
+            goto err;
+        }
+        fprintf(stderr, "Info, operating with CA cert(s) in '%s'\n", CAfile);
+    } else
+        fprintf(stderr, "Info, operating without a CA cert(-list)\n");
+    if (!SSL_CTX_set_default_verify_paths(ctx)) {
+        fprintf(stderr, "Error setting default verify paths\n");
+        goto err;
+    }
 
-	/* cert and key */
-	if((cert || key) && !ctx_set_cert(ctx, cert, key))
-		goto err;
-	/* dcert and dkey */
-	if((dcert || dkey) && !ctx_set_cert(ctx, dcert, dkey))
-		goto err;
-	/* temporary RSA key generation */
-	if(tmp_rsa)
-		SSL_CTX_set_tmp_rsa_callback(ctx, cb_generate_tmp_rsa);
+    /* cert and key */
+    if ((cert || key) && !ctx_set_cert(ctx, cert, key))
+        goto err;
+    /* dcert and dkey */
+    if ((dcert || dkey) && !ctx_set_cert(ctx, dcert, dkey))
+        goto err;
+    /* temporary RSA key generation */
+    if (tmp_rsa)
+        SSL_CTX_set_tmp_rsa_callback(ctx, cb_generate_tmp_rsa);
 
-	/* cipher_list */
-	if(cipher_list) {
-		if(!SSL_CTX_set_cipher_list(ctx, cipher_list)) {
-			fprintf(stderr, "Error setting cipher list '%s'\n",
-					cipher_list);
-			goto err;
-		}
-		fprintf(stderr, "Info, set cipher list '%s'\n", cipher_list);
-	} else
-		fprintf(stderr, "Info, operating with default cipher list\n");
+    /* cipher_list */
+    if (cipher_list) {
+        if (!SSL_CTX_set_cipher_list(ctx, cipher_list)) {
+            fprintf(stderr, "Error setting cipher list '%s'\n", cipher_list);
+            goto err;
+        }
+        fprintf(stderr, "Info, set cipher list '%s'\n", cipher_list);
+    } else
+        fprintf(stderr, "Info, operating with default cipher list\n");
 
-	/* dh_file & dh_special */
-	if((dh_file || dh_special) && !ctx_set_dh(ctx, dh_file, dh_special))
-		goto err;
+    /* dh_file & dh_special */
+    if ((dh_file || dh_special) && !ctx_set_dh(ctx, dh_file, dh_special))
+        goto err;
 
-	/* ctx_options */
-	SSL_CTX_set_options(ctx, ctx_options);
+    /* ctx_options */
+    SSL_CTX_set_options(ctx, ctx_options);
 
-	/* out_state (output of SSL handshake states to screen). */
-	if(out_state)
-		cb_ssl_info_set_output(stderr);
+    /* out_state (output of SSL handshake states to screen). */
+    if (out_state)
+        cb_ssl_info_set_output(stderr);
 
-	/* out_verify */
-	if(out_verify > 0) {
-		cb_ssl_verify_set_output(stderr);
-		cb_ssl_verify_set_level(out_verify);
-	}
+    /* out_verify */
+    if (out_verify > 0) {
+        cb_ssl_verify_set_output(stderr);
+        cb_ssl_verify_set_level(out_verify);
+    }
 
-	/* verify_depth */
-	cb_ssl_verify_set_depth(verify_depth);
+    /* verify_depth */
+    cb_ssl_verify_set_depth(verify_depth);
 
-	/* Success! (includes setting verify_mode) */
-	SSL_CTX_set_info_callback(ctx, cb_ssl_info);
-	SSL_CTX_set_verify(ctx, verify_mode, cb_ssl_verify);
-	ret = ctx;
-err:
-	if(!ret) {
-		ERR_print_errors_fp(stderr);
-		if(ctx)
-			SSL_CTX_free(ctx);
-	}
-	return ret;
+    /* Success! (includes setting verify_mode) */
+    SSL_CTX_set_info_callback(ctx, cb_ssl_info);
+    SSL_CTX_set_verify(ctx, verify_mode, cb_ssl_verify);
+    ret = ctx;
+ err:
+    if (!ret) {
+        ERR_print_errors_fp(stderr);
+        if (ctx)
+            SSL_CTX_free(ctx);
+    }
+    return ret;
 }
 
 /*****************/
 /* Selector bits */
 /*****************/
 
-static void selector_sets_init(select_sets_t *s)
+static void selector_sets_init(select_sets_t * s)
 {
-	s->max = 0;
-	FD_ZERO(&s->reads);
-	FD_ZERO(&s->sends);
-	FD_ZERO(&s->excepts);
+    s->max = 0;
+    FD_ZERO(&s->reads);
+    FD_ZERO(&s->sends);
+    FD_ZERO(&s->excepts);
 }
-static void selector_init(tunala_selector_t *selector)
+
+static void selector_init(tunala_selector_t * selector)
 {
-	selector_sets_init(&selector->last_selected);
-	selector_sets_init(&selector->next_select);
+    selector_sets_init(&selector->last_selected);
+    selector_sets_init(&selector->next_select);
 }
 
 #define SEL_EXCEPTS 0x00
 #define SEL_READS   0x01
 #define SEL_SENDS   0x02
-static void selector_add_raw_fd(tunala_selector_t *s, int fd, int flags)
+static void selector_add_raw_fd(tunala_selector_t * s, int fd, int flags)
 {
-	FD_SET(fd, &s->next_select.excepts);
-	if(flags & SEL_READS)
-		FD_SET(fd, &s->next_select.reads);
-	if(flags & SEL_SENDS)
-		FD_SET(fd, &s->next_select.sends);
-	/* Adjust "max" */
-	if(s->next_select.max < (fd + 1))
-		s->next_select.max = fd + 1;
+    FD_SET(fd, &s->next_select.excepts);
+    if (flags & SEL_READS)
+        FD_SET(fd, &s->next_select.reads);
+    if (flags & SEL_SENDS)
+        FD_SET(fd, &s->next_select.sends);
+    /* Adjust "max" */
+    if (s->next_select.max < (fd + 1))
+        s->next_select.max = fd + 1;
 }
 
-static void selector_add_listener(tunala_selector_t *selector, int fd)
+static void selector_add_listener(tunala_selector_t * selector, int fd)
 {
-	selector_add_raw_fd(selector, fd, SEL_READS);
+    selector_add_raw_fd(selector, fd, SEL_READS);
 }
 
-static void selector_add_tunala(tunala_selector_t *s, tunala_item_t *t)
+static void selector_add_tunala(tunala_selector_t * s, tunala_item_t * t)
 {
-	/* Set clean read if sm.clean_in is not full */
-	if(t->clean_read != -1) {
-		selector_add_raw_fd(s, t->clean_read,
-			(buffer_full(state_machine_get_buffer(&t->sm,
-				SM_CLEAN_IN)) ? SEL_EXCEPTS : SEL_READS));
-	}
-	/* Set clean send if sm.clean_out is not empty */
-	if(t->clean_send != -1) {
-		selector_add_raw_fd(s, t->clean_send,
-			(buffer_empty(state_machine_get_buffer(&t->sm,
-				SM_CLEAN_OUT)) ? SEL_EXCEPTS : SEL_SENDS));
-	}
-	/* Set dirty read if sm.dirty_in is not full */
-	if(t->dirty_read != -1) {
-		selector_add_raw_fd(s, t->dirty_read,
-			(buffer_full(state_machine_get_buffer(&t->sm,
-				SM_DIRTY_IN)) ? SEL_EXCEPTS : SEL_READS));
-	}
-	/* Set dirty send if sm.dirty_out is not empty */
-	if(t->dirty_send != -1) {
-		selector_add_raw_fd(s, t->dirty_send,
-			(buffer_empty(state_machine_get_buffer(&t->sm,
-				SM_DIRTY_OUT)) ? SEL_EXCEPTS : SEL_SENDS));
-	}
+    /* Set clean read if sm.clean_in is not full */
+    if (t->clean_read != -1) {
+        selector_add_raw_fd(s, t->clean_read,
+                            (buffer_full(state_machine_get_buffer(&t->sm,
+                                                                  SM_CLEAN_IN))
+                             ? SEL_EXCEPTS : SEL_READS));
+    }
+    /* Set clean send if sm.clean_out is not empty */
+    if (t->clean_send != -1) {
+        selector_add_raw_fd(s, t->clean_send,
+                            (buffer_empty(state_machine_get_buffer(&t->sm,
+                                                                   SM_CLEAN_OUT))
+                             ? SEL_EXCEPTS : SEL_SENDS));
+    }
+    /* Set dirty read if sm.dirty_in is not full */
+    if (t->dirty_read != -1) {
+        selector_add_raw_fd(s, t->dirty_read,
+                            (buffer_full(state_machine_get_buffer(&t->sm,
+                                                                  SM_DIRTY_IN))
+                             ? SEL_EXCEPTS : SEL_READS));
+    }
+    /* Set dirty send if sm.dirty_out is not empty */
+    if (t->dirty_send != -1) {
+        selector_add_raw_fd(s, t->dirty_send,
+                            (buffer_empty(state_machine_get_buffer(&t->sm,
+                                                                   SM_DIRTY_OUT))
+                             ? SEL_EXCEPTS : SEL_SENDS));
+    }
 }
 
-static int selector_select(tunala_selector_t *selector)
+static int selector_select(tunala_selector_t * selector)
 {
-	memcpy(&selector->last_selected, &selector->next_select,
-			sizeof(select_sets_t));
-	selector_sets_init(&selector->next_select);
-	return select(selector->last_selected.max,
-			&selector->last_selected.reads,
-			&selector->last_selected.sends,
-			&selector->last_selected.excepts, NULL);
+    memcpy(&selector->last_selected, &selector->next_select,
+           sizeof(select_sets_t));
+    selector_sets_init(&selector->next_select);
+    return select(selector->last_selected.max,
+                  &selector->last_selected.reads,
+                  &selector->last_selected.sends,
+                  &selector->last_selected.excepts, NULL);
 }
 
-/* This returns -1 for error, 0 for no new connections, or 1 for success, in
- * which case *newfd is populated. */
-static int selector_get_listener(tunala_selector_t *selector, int fd, int *newfd)
+/*
+ * This returns -1 for error, 0 for no new connections, or 1 for success, in
+ * which case *newfd is populated.
+ */
+static int selector_get_listener(tunala_selector_t * selector, int fd,
+                                 int *newfd)
 {
-	if(FD_ISSET(fd, &selector->last_selected.excepts))
-		return -1;
-	if(!FD_ISSET(fd, &selector->last_selected.reads))
-		return 0;
-	if((*newfd = ip_accept_connection(fd)) == -1)
-		return -1;
-	return 1;
+    if (FD_ISSET(fd, &selector->last_selected.excepts))
+        return -1;
+    if (!FD_ISSET(fd, &selector->last_selected.reads))
+        return 0;
+    if ((*newfd = ip_accept_connection(fd)) == -1)
+        return -1;
+    return 1;
 }
 
 /************************/
 /* "Tunala" world stuff */
 /************************/
 
-static int tunala_world_make_room(tunala_world_t *world)
+static int tunala_world_make_room(tunala_world_t * world)
 {
-	unsigned int newsize;
-	tunala_item_t *newarray;
+    unsigned int newsize;
+    tunala_item_t *newarray;
 
-	if(world->tunnels_used < world->tunnels_size)
-		return 1;
-	newsize = (world->tunnels_size == 0 ? 16 :
-			((world->tunnels_size * 3) / 2));
-	if((newarray = malloc(newsize * sizeof(tunala_item_t))) == NULL)
-		return 0;
-	memset(newarray, 0, newsize * sizeof(tunala_item_t));
-	if(world->tunnels_used > 0)
-		memcpy(newarray, world->tunnels,
-			world->tunnels_used * sizeof(tunala_item_t));
-	if(world->tunnels_size > 0)
-		free(world->tunnels);
-	/* migrate */
-	world->tunnels = newarray;
-	world->tunnels_size = newsize;
-	return 1;
+    if (world->tunnels_used < world->tunnels_size)
+        return 1;
+    newsize = (world->tunnels_size == 0 ? 16 :
+               ((world->tunnels_size * 3) / 2));
+    if ((newarray = malloc(newsize * sizeof(tunala_item_t))) == NULL)
+        return 0;
+    memset(newarray, 0, newsize * sizeof(tunala_item_t));
+    if (world->tunnels_used > 0)
+        memcpy(newarray, world->tunnels,
+               world->tunnels_used * sizeof(tunala_item_t));
+    if (world->tunnels_size > 0)
+        free(world->tunnels);
+    /* migrate */
+    world->tunnels = newarray;
+    world->tunnels_size = newsize;
+    return 1;
 }
 
-static int tunala_world_new_item(tunala_world_t *world, int fd,
-		const char *ip, unsigned short port, int flipped)
+static int tunala_world_new_item(tunala_world_t * world, int fd,
+                                 const char *ip, unsigned short port,
+                                 int flipped)
 {
-	tunala_item_t *item;
-	int newfd;
-	SSL *new_ssl = NULL;
+    tunala_item_t *item;
+    int newfd;
+    SSL *new_ssl = NULL;
 
-	if(!tunala_world_make_room(world))
-		return 0;
-	if((new_ssl = SSL_new(world->ssl_ctx)) == NULL) {
-		fprintf(stderr, "Error creating new SSL\n");
-		ERR_print_errors_fp(stderr);
-		return 0;
-	}
-	item = world->tunnels + (world->tunnels_used++);
-	state_machine_init(&item->sm);
-	item->clean_read = item->clean_send =
-		item->dirty_read = item->dirty_send = -1;
-	if((newfd = ip_create_connection_split(ip, port)) == -1)
-		goto err;
-	/* Which way round? If we're a server, "fd" is the dirty side and the
-	 * connection we open is the clean one. For a client, it's the other way
-	 * around. Unless, of course, we're "flipped" in which case everything
-	 * gets reversed. :-) */
-	if((world->server_mode && !flipped) ||
-			(!world->server_mode && flipped)) {
-		item->dirty_read = item->dirty_send = fd;
-		item->clean_read = item->clean_send = newfd;
-	} else {
-		item->clean_read = item->clean_send = fd;
-		item->dirty_read = item->dirty_send = newfd;
-	}
-	/* We use the SSL's "app_data" to indicate a call-back induced "kill" */
-	SSL_set_app_data(new_ssl, NULL);
-	if(!state_machine_set_SSL(&item->sm, new_ssl, world->server_mode))
-		goto err;
-	return 1;
-err:
-	tunala_world_del_item(world, world->tunnels_used - 1);
-	return 0;
+    if (!tunala_world_make_room(world))
+        return 0;
+    if ((new_ssl = SSL_new(world->ssl_ctx)) == NULL) {
+        fprintf(stderr, "Error creating new SSL\n");
+        ERR_print_errors_fp(stderr);
+        return 0;
+    }
+    item = world->tunnels + (world->tunnels_used++);
+    state_machine_init(&item->sm);
+    item->clean_read = item->clean_send =
+        item->dirty_read = item->dirty_send = -1;
+    if ((newfd = ip_create_connection_split(ip, port)) == -1)
+        goto err;
+    /*
+     * Which way round? If we're a server, "fd" is the dirty side and the
+     * connection we open is the clean one. For a client, it's the other way
+     * around. Unless, of course, we're "flipped" in which case everything
+     * gets reversed. :-)
+     */
+    if ((world->server_mode && !flipped) || (!world->server_mode && flipped)) {
+        item->dirty_read = item->dirty_send = fd;
+        item->clean_read = item->clean_send = newfd;
+    } else {
+        item->clean_read = item->clean_send = fd;
+        item->dirty_read = item->dirty_send = newfd;
+    }
+    /*
+     * We use the SSL's "app_data" to indicate a call-back induced "kill"
+     */
+    SSL_set_app_data(new_ssl, NULL);
+    if (!state_machine_set_SSL(&item->sm, new_ssl, world->server_mode))
+        goto err;
+    return 1;
+ err:
+    tunala_world_del_item(world, world->tunnels_used - 1);
+    return 0;
 
 }
 
-static void tunala_world_del_item(tunala_world_t *world, unsigned int idx)
+static void tunala_world_del_item(tunala_world_t * world, unsigned int idx)
 {
-	tunala_item_t *item = world->tunnels + idx;
-	if(item->clean_read != -1)
-		close(item->clean_read);
-	if(item->clean_send != item->clean_read)
-		close(item->clean_send);
-	item->clean_read = item->clean_send = -1;
-	if(item->dirty_read != -1)
-		close(item->dirty_read);
-	if(item->dirty_send != item->dirty_read)
-		close(item->dirty_send);
-	item->dirty_read = item->dirty_send = -1;
-	state_machine_close(&item->sm);
-	/* OK, now we fix the item array */
-	if(idx + 1 < world->tunnels_used)
-		/* We need to scroll entries to the left */
-		memmove(world->tunnels + idx,
-				world->tunnels + (idx + 1),
-				(world->tunnels_used - (idx + 1)) *
-					sizeof(tunala_item_t));
-	world->tunnels_used--;
+    tunala_item_t *item = world->tunnels + idx;
+    if (item->clean_read != -1)
+        close(item->clean_read);
+    if (item->clean_send != item->clean_read)
+        close(item->clean_send);
+    item->clean_read = item->clean_send = -1;
+    if (item->dirty_read != -1)
+        close(item->dirty_read);
+    if (item->dirty_send != item->dirty_read)
+        close(item->dirty_send);
+    item->dirty_read = item->dirty_send = -1;
+    state_machine_close(&item->sm);
+    /* OK, now we fix the item array */
+    if (idx + 1 < world->tunnels_used)
+        /* We need to scroll entries to the left */
+        memmove(world->tunnels + idx,
+                world->tunnels + (idx + 1),
+                (world->tunnels_used - (idx + 1)) * sizeof(tunala_item_t));
+    world->tunnels_used--;
 }
 
-static int tunala_item_io(tunala_selector_t *selector, tunala_item_t *item)
+static int tunala_item_io(tunala_selector_t * selector, tunala_item_t * item)
 {
-	int c_r, c_s, d_r, d_s; /* Four boolean flags */
+    int c_r, c_s, d_r, d_s;     /* Four boolean flags */
 
-	/* Take ourselves out of the gene-pool if there was an except */
-	if((item->clean_read != -1) && FD_ISSET(item->clean_read,
-				&selector->last_selected.excepts))
-		return 0;
-	if((item->clean_send != -1) && FD_ISSET(item->clean_send,
-				&selector->last_selected.excepts))
-		return 0;
-	if((item->dirty_read != -1) && FD_ISSET(item->dirty_read,
-				&selector->last_selected.excepts))
-		return 0;
-	if((item->dirty_send != -1) && FD_ISSET(item->dirty_send,
-				&selector->last_selected.excepts))
-		return 0;
-	/* Grab our 4 IO flags */
-	c_r = c_s = d_r = d_s = 0;
-	if(item->clean_read != -1)
-		c_r = FD_ISSET(item->clean_read, &selector->last_selected.reads);
-	if(item->clean_send != -1)
-		c_s = FD_ISSET(item->clean_send, &selector->last_selected.sends);
-	if(item->dirty_read != -1)
-		d_r = FD_ISSET(item->dirty_read, &selector->last_selected.reads);
-	if(item->dirty_send != -1)
-		d_s = FD_ISSET(item->dirty_send, &selector->last_selected.sends);
-	/* If no IO has happened for us, skip needless data looping */
-	if(!c_r && !c_s && !d_r && !d_s)
-		return 1;
-	if(c_r)
-		c_r = (buffer_from_fd(state_machine_get_buffer(&item->sm,
-				SM_CLEAN_IN), item->clean_read) <= 0);
-	if(c_s)
-		c_s = (buffer_to_fd(state_machine_get_buffer(&item->sm,
-				SM_CLEAN_OUT), item->clean_send) <= 0);
-	if(d_r)
-		d_r = (buffer_from_fd(state_machine_get_buffer(&item->sm,
-				SM_DIRTY_IN), item->dirty_read) <= 0);
-	if(d_s)
-		d_s = (buffer_to_fd(state_machine_get_buffer(&item->sm,
-				SM_DIRTY_OUT), item->dirty_send) <= 0);
-	/* If any of the flags is non-zero, that means they need closing */
-	if(c_r) {
-		close(item->clean_read);
-		if(item->clean_send == item->clean_read)
-			item->clean_send = -1;
-		item->clean_read = -1;
-	}
-	if(c_s && (item->clean_send != -1)) {
-		close(item->clean_send);
-		if(item->clean_send == item->clean_read)
-			item->clean_read = -1;
-		item->clean_send = -1;
-	}
-	if(d_r) {
-		close(item->dirty_read);
-		if(item->dirty_send == item->dirty_read)
-			item->dirty_send = -1;
-		item->dirty_read = -1;
-	}
-	if(d_s && (item->dirty_send != -1)) {
-		close(item->dirty_send);
-		if(item->dirty_send == item->dirty_read)
-			item->dirty_read = -1;
-		item->dirty_send = -1;
-	}
-	/* This function name is attributed to the term donated by David
-	 * Schwartz on openssl-dev, message-ID:
-	 * <NCBBLIEPOCNJOAEKBEAKEEDGLIAA.davids@webmaster.com>. :-) */
-	if(!state_machine_churn(&item->sm))
-		/* If the SSL closes, it will also zero-out the _in buffers
-		 * and will in future process just outgoing data. As and
-		 * when the outgoing data has gone, it will return zero
-		 * here to tell us to bail out. */
-		return 0;
-	/* Otherwise, we return zero if both sides are dead. */
-	if(((item->clean_read == -1) || (item->clean_send == -1)) &&
-			((item->dirty_read == -1) || (item->dirty_send == -1)))
-		return 0;
-	/* If only one side closed, notify the SSL of this so it can take
-	 * appropriate action. */
-	if((item->clean_read == -1) || (item->clean_send == -1)) {
-		if(!state_machine_close_clean(&item->sm))
-			return 0;
-	}
-	if((item->dirty_read == -1) || (item->dirty_send == -1)) {
-		if(!state_machine_close_dirty(&item->sm))
-			return 0;
-	}
-	return 1;
+    /* Take ourselves out of the gene-pool if there was an except */
+    if ((item->clean_read != -1) && FD_ISSET(item->clean_read,
+                                             &selector->
+                                             last_selected.excepts))
+        return 0;
+    if ((item->clean_send != -1) && FD_ISSET(item->clean_send,
+                                             &selector->
+                                             last_selected.excepts))
+        return 0;
+    if ((item->dirty_read != -1) && FD_ISSET(item->dirty_read,
+                                             &selector->
+                                             last_selected.excepts))
+        return 0;
+    if ((item->dirty_send != -1) && FD_ISSET(item->dirty_send,
+                                             &selector->
+                                             last_selected.excepts))
+        return 0;
+    /* Grab our 4 IO flags */
+    c_r = c_s = d_r = d_s = 0;
+    if (item->clean_read != -1)
+        c_r = FD_ISSET(item->clean_read, &selector->last_selected.reads);
+    if (item->clean_send != -1)
+        c_s = FD_ISSET(item->clean_send, &selector->last_selected.sends);
+    if (item->dirty_read != -1)
+        d_r = FD_ISSET(item->dirty_read, &selector->last_selected.reads);
+    if (item->dirty_send != -1)
+        d_s = FD_ISSET(item->dirty_send, &selector->last_selected.sends);
+    /* If no IO has happened for us, skip needless data looping */
+    if (!c_r && !c_s && !d_r && !d_s)
+        return 1;
+    if (c_r)
+        c_r = (buffer_from_fd(state_machine_get_buffer(&item->sm,
+                                                       SM_CLEAN_IN),
+                              item->clean_read) <= 0);
+    if (c_s)
+        c_s = (buffer_to_fd(state_machine_get_buffer(&item->sm,
+                                                     SM_CLEAN_OUT),
+                            item->clean_send) <= 0);
+    if (d_r)
+        d_r = (buffer_from_fd(state_machine_get_buffer(&item->sm,
+                                                       SM_DIRTY_IN),
+                              item->dirty_read) <= 0);
+    if (d_s)
+        d_s = (buffer_to_fd(state_machine_get_buffer(&item->sm,
+                                                     SM_DIRTY_OUT),
+                            item->dirty_send) <= 0);
+    /* If any of the flags is non-zero, that means they need closing */
+    if (c_r) {
+        close(item->clean_read);
+        if (item->clean_send == item->clean_read)
+            item->clean_send = -1;
+        item->clean_read = -1;
+    }
+    if (c_s && (item->clean_send != -1)) {
+        close(item->clean_send);
+        if (item->clean_send == item->clean_read)
+            item->clean_read = -1;
+        item->clean_send = -1;
+    }
+    if (d_r) {
+        close(item->dirty_read);
+        if (item->dirty_send == item->dirty_read)
+            item->dirty_send = -1;
+        item->dirty_read = -1;
+    }
+    if (d_s && (item->dirty_send != -1)) {
+        close(item->dirty_send);
+        if (item->dirty_send == item->dirty_read)
+            item->dirty_read = -1;
+        item->dirty_send = -1;
+    }
+    /*
+     * This function name is attributed to the term donated by David Schwartz
+     * on openssl-dev, message-ID:
+     * <NCBBLIEPOCbmasEKBEAKEEDGLIAA.davids@webmaster.com>. :-)
+     */
+    if (!state_machine_churn(&item->sm))
+        /*
+         * If the SSL closes, it will also zero-out the _in buffers and will
+         * in future process just outgoing data. As and when the outgoing
+         * data has gone, it will return zero here to tell us to bail out.
+         */
+        return 0;
+    /* Otherwise, we return zero if both sides are dead. */
+    if (((item->clean_read == -1) || (item->clean_send == -1)) &&
+        ((item->dirty_read == -1) || (item->dirty_send == -1)))
+        return 0;
+    /*
+     * If only one side closed, notify the SSL of this so it can take
+     * appropriate action.
+     */
+    if ((item->clean_read == -1) || (item->clean_send == -1)) {
+        if (!state_machine_close_clean(&item->sm))
+            return 0;
+    }
+    if ((item->dirty_read == -1) || (item->dirty_send == -1)) {
+        if (!state_machine_close_dirty(&item->sm))
+            return 0;
+    }
+    return 1;
 }
-
diff --git a/openssl/demos/tunala/tunala.h b/openssl/demos/tunala/tunala.h
index 3a752f259..28860d781 100644
--- a/openssl/demos/tunala/tunala.h
+++ b/openssl/demos/tunala/tunala.h
@@ -1,215 +1,244 @@
-/* Tunala ("Tunneler with a New Zealand accent")
- *
- * Written by Geoff Thorpe, but endorsed/supported by noone. Please use this is
- * if it's useful or informative to you, but it's only here as a scratchpad for
- * ideas about how you might (or might not) program with OpenSSL. If you deploy
- * this is in a mission-critical environment, and have not read, understood,
- * audited, and modified this code to your satisfaction, and the result is that
- * all hell breaks loose and you are looking for a new employer, then it proves
- * nothing except perhaps that Darwinism is alive and well. Let's just say, *I*
- * don't use this in a mission-critical environment, so it would be stupid for
- * anyone to assume that it is solid and/or tested enough when even its author
- * doesn't place that much trust in it. You have been warned.
- *
+/*
+ * Tunala ("Tunneler with a New Zealand accent") Written by Geoff Thorpe,
+ * but endorsed/supported by noone. Please use this is if it's useful or
+ * informative to you, but it's only here as a scratchpad for ideas about how
+ * you might (or might not) program with OpenSSL. If you deploy this is in a
+ * mission-critical environment, and have not read, understood, audited, and
+ * modified this code to your satisfaction, and the result is that all hell
+ * breaks loose and you are looking for a new employer, then it proves
+ * nothing except perhaps that Darwinism is alive and well. Let's just say,
+ * *I* don't use this in a mission-critical environment, so it would be
+ * stupid for anyone to assume that it is solid and/or tested enough when
+ * even its author doesn't place that much trust in it. You have been warned.
  * With thanks to Cryptographic Appliances, Inc.
  */
 
 #ifndef _TUNALA_H
-#define _TUNALA_H
+# define _TUNALA_H
 
 /* pull in autoconf fluff */
-#ifndef NO_CONFIG_H
-#include "config.h"
-#else
-/* We don't have autoconf, we have to set all of these unless a tweaked Makefile
- * tells us not to ... */
+# ifndef NO_CONFIG_H
+#  include "config.h"
+# else
+/*
+ * We don't have autoconf, we have to set all of these unless a tweaked
+ * Makefile tells us not to ...
+ */
 /* headers */
-#ifndef NO_HAVE_SELECT
-#define HAVE_SELECT
-#endif
-#ifndef NO_HAVE_SOCKET
-#define HAVE_SOCKET
-#endif
-#ifndef NO_HAVE_UNISTD_H
-#define HAVE_UNISTD_H
-#endif
-#ifndef NO_HAVE_FCNTL_H
-#define HAVE_FCNTL_H
-#endif
-#ifndef NO_HAVE_LIMITS_H
-#define HAVE_LIMITS_H
-#endif
+#  ifndef NO_HAVE_SELECT
+#   define HAVE_SELECT
+#  endif
+#  ifndef NO_HAVE_SOCKET
+#   define HAVE_SOCKET
+#  endif
+#  ifndef NO_HAVE_UNISTD_H
+#   define HAVE_UNISTD_H
+#  endif
+#  ifndef NO_HAVE_FCNTL_H
+#   define HAVE_FCNTL_H
+#  endif
+#  ifndef NO_HAVE_LIMITS_H
+#   define HAVE_LIMITS_H
+#  endif
 /* features */
-#ifndef NO_HAVE_STRSTR
-#define HAVE_STRSTR
-#endif
-#ifndef NO_HAVE_STRTOUL
-#define HAVE_STRTOUL
-#endif
-#endif
-
-#if !defined(HAVE_SELECT) || !defined(HAVE_SOCKET)
-#error "can't build without some network basics like select() and socket()"
-#endif
-
-#include <stdlib.h>
-#ifndef NO_SYSTEM_H
-#include <string.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-#include <netdb.h>
-#include <signal.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <netinet/in.h>
-#endif /* !defined(NO_SYSTEM_H) */
-
-#ifndef NO_OPENSSL
-#include <openssl/err.h>
-#include <openssl/engine.h>
-#include <openssl/ssl.h>
-#endif /* !defined(NO_OPENSSL) */
-
-#ifndef OPENSSL_NO_BUFFER
-/* This is the generic "buffer" type that is used when feeding the
+#  ifndef NO_HAVE_STRSTR
+#   define HAVE_STRSTR
+#  endif
+#  ifndef NO_HAVE_STRTOUL
+#   define HAVE_STRTOUL
+#  endif
+# endif
+
+# if !defined(HAVE_SELECT) || !defined(HAVE_SOCKET)
+#  error "can't build without some network basics like select() and socket()"
+# endif
+
+# include <stdlib.h>
+# ifndef NO_SYSTEM_H
+#  include <string.h>
+#  ifdef HAVE_UNISTD_H
+#   include <unistd.h>
+#  endif
+#  ifdef HAVE_FCNTL_H
+#   include <fcntl.h>
+#  endif
+#  ifdef HAVE_LIMITS_H
+#   include <limits.h>
+#  endif
+#  include <netdb.h>
+#  include <signal.h>
+#  include <sys/socket.h>
+#  include <sys/types.h>
+#  include <netinet/in.h>
+# endif                         /* !defined(NO_SYSTEM_H) */
+
+# ifndef NO_OPENSSL
+#  include <openssl/err.h>
+#  include <openssl/engine.h>
+#  include <openssl/ssl.h>
+# endif                         /* !defined(NO_OPENSSL) */
+
+# ifndef OPENSSL_NO_BUFFER
+/*
+ * This is the generic "buffer" type that is used when feeding the
  * state-machine. It's basically a FIFO with respect to the "adddata" &
- * "takedata" type functions that operate on it. */
-#define MAX_DATA_SIZE 16384
+ * "takedata" type functions that operate on it.
+ */
+#  define MAX_DATA_SIZE 16384
 typedef struct _buffer_t {
-	unsigned char data[MAX_DATA_SIZE];
-	unsigned int used;
-	/* Statistical values - counts the total number of bytes read in and
-	 * read out (respectively) since "buffer_init()" */
-	unsigned long total_in, total_out;
+    unsigned char data[MAX_DATA_SIZE];
+    unsigned int used;
+    /*
+     * Statistical values - counts the total number of bytes read in and read
+     * out (respectively) since "buffer_init()"
+     */
+    unsigned long total_in, total_out;
 } buffer_t;
 
 /* Initialise a buffer structure before use */
-void buffer_init(buffer_t *buf);
-/* Cleanup a buffer structure - presently not needed, but if buffer_t is
- * converted to using dynamic allocation, this would be required - so should be
- * called to protect against an explosion of memory leaks later if the change is
- * made. */
-void buffer_close(buffer_t *buf);
+void buffer_init(buffer_t * buf);
+/*
+ * Cleanup a buffer structure - presently not needed, but if buffer_t is
+ * converted to using dynamic allocation, this would be required - so should
+ * be called to protect against an explosion of memory leaks later if the
+ * change is made.
+ */
+void buffer_close(buffer_t * buf);
 
 /* Basic functions to manipulate buffers */
 
-unsigned int buffer_used(buffer_t *buf); /* How much data in the buffer */
-unsigned int buffer_unused(buffer_t *buf); /* How much space in the buffer */
-int buffer_full(buffer_t *buf); /* Boolean, is it full? */
-int buffer_notfull(buffer_t *buf); /* Boolean, is it not full? */
-int buffer_empty(buffer_t *buf); /* Boolean, is it empty? */
-int buffer_notempty(buffer_t *buf); /* Boolean, is it not empty? */
-unsigned long buffer_total_in(buffer_t *buf); /* Total bytes written to buffer */
-unsigned long buffer_total_out(buffer_t *buf); /* Total bytes read from buffer */
-
-#if 0 /* Currently used only within buffer.c - better to expose only
-       * higher-level functions anyway */
-/* Add data to the tail of the buffer, returns the amount that was actually
- * added (so, you need to check if return value is less than size) */
-unsigned int buffer_adddata(buffer_t *buf, const unsigned char *ptr,
-		unsigned int size);
-
-/* Take data from the front of the buffer (and scroll the rest forward). If
+unsigned int buffer_used(buffer_t * buf); /* How much data in the buffer */
+unsigned int buffer_unused(buffer_t * buf); /* How much space in the buffer */
+int buffer_full(buffer_t * buf); /* Boolean, is it full? */
+int buffer_notfull(buffer_t * buf); /* Boolean, is it not full? */
+int buffer_empty(buffer_t * buf); /* Boolean, is it empty? */
+int buffer_notempty(buffer_t * buf); /* Boolean, is it not empty? */
+unsigned long buffer_total_in(buffer_t * buf); /* Total bytes written to
+                                                * buffer */
+unsigned long buffer_total_out(buffer_t * buf); /* Total bytes read from
+                                                 * buffer */
+
+#  if 0                         /* Currently used only within buffer.c -
+                                 * better to expose only higher-level
+                                 * functions anyway */
+/*
+ * Add data to the tail of the buffer, returns the amount that was actually
+ * added (so, you need to check if return value is less than size)
+ */
+unsigned int buffer_adddata(buffer_t * buf, const unsigned char *ptr,
+                            unsigned int size);
+
+/*
+ * Take data from the front of the buffer (and scroll the rest forward). If
  * "ptr" is NULL, this just removes data off the front of the buffer. Return
- * value is the amount actually removed (can be less than size if the buffer has
- * too little data). */
-unsigned int buffer_takedata(buffer_t *buf, unsigned char *ptr,
-		unsigned int size);
-
-/* Flushes as much data as possible out of the "from" buffer into the "to"
- * buffer. Return value is the amount moved. The amount moved can be restricted
- * to a maximum by specifying "cap" - setting it to -1 means no limit. */
-unsigned int buffer_tobuffer(buffer_t *to, buffer_t *from, int cap);
-#endif
-
-#ifndef NO_IP
+ * value is the amount actually removed (can be less than size if the buffer
+ * has too little data).
+ */
+unsigned int buffer_takedata(buffer_t * buf, unsigned char *ptr,
+                             unsigned int size);
+
+/*
+ * Flushes as much data as possible out of the "from" buffer into the "to"
+ * buffer. Return value is the amount moved. The amount moved can be
+ * restricted to a maximum by specifying "cap" - setting it to -1 means no
+ * limit.
+ */
+unsigned int buffer_tobuffer(buffer_t * to, buffer_t * from, int cap);
+#  endif
+
+#  ifndef NO_IP
 /* Read or write between a file-descriptor and a buffer */
-int buffer_from_fd(buffer_t *buf, int fd);
-int buffer_to_fd(buffer_t *buf, int fd);
-#endif /* !defined(NO_IP) */
+int buffer_from_fd(buffer_t * buf, int fd);
+int buffer_to_fd(buffer_t * buf, int fd);
+#  endif                        /* !defined(NO_IP) */
 
-#ifndef NO_OPENSSL
+#  ifndef NO_OPENSSL
 /* Read or write between an SSL or BIO and a buffer */
-void buffer_from_SSL(buffer_t *buf, SSL *ssl);
-void buffer_to_SSL(buffer_t *buf, SSL *ssl);
-void buffer_from_BIO(buffer_t *buf, BIO *bio);
-void buffer_to_BIO(buffer_t *buf, BIO *bio);
+void buffer_from_SSL(buffer_t * buf, SSL *ssl);
+void buffer_to_SSL(buffer_t * buf, SSL *ssl);
+void buffer_from_BIO(buffer_t * buf, BIO *bio);
+void buffer_to_BIO(buffer_t * buf, BIO *bio);
 
 /* Callbacks */
 void cb_ssl_info(const SSL *s, int where, int ret);
-void cb_ssl_info_set_output(FILE *fp); /* Called if output should be sent too */
+/* Called if output should be sent too */
+void cb_ssl_info_set_output(FILE *fp);
 int cb_ssl_verify(int ok, X509_STORE_CTX *ctx);
 void cb_ssl_verify_set_output(FILE *fp);
 void cb_ssl_verify_set_depth(unsigned int verify_depth);
 void cb_ssl_verify_set_level(unsigned int level);
 RSA *cb_generate_tmp_rsa(SSL *s, int is_export, int keylength);
-#endif /* !defined(NO_OPENSSL) */
-#endif /* !defined(OPENSSL_NO_BUFFER) */
+#  endif                        /* !defined(NO_OPENSSL) */
+# endif                         /* !defined(OPENSSL_NO_BUFFER) */
 
-#ifndef NO_TUNALA
-#ifdef OPENSSL_NO_BUFFER
-#error "TUNALA section of tunala.h requires BUFFER support"
-#endif
+# ifndef NO_TUNALA
+#  ifdef OPENSSL_NO_BUFFER
+#   error "TUNALA section of tunala.h requires BUFFER support"
+#  endif
 typedef struct _state_machine_t {
-	SSL *ssl;
-	BIO *bio_intossl;
-	BIO *bio_fromssl;
-	buffer_t clean_in, clean_out;
-	buffer_t dirty_in, dirty_out;
+    SSL *ssl;
+    BIO *bio_intossl;
+    BIO *bio_fromssl;
+    buffer_t clean_in, clean_out;
+    buffer_t dirty_in, dirty_out;
 } state_machine_t;
 typedef enum {
-	SM_CLEAN_IN, SM_CLEAN_OUT,
-	SM_DIRTY_IN, SM_DIRTY_OUT
+    SM_CLEAN_IN, SM_CLEAN_OUT,
+    SM_DIRTY_IN, SM_DIRTY_OUT
 } sm_buffer_t;
-void state_machine_init(state_machine_t *machine);
-void state_machine_close(state_machine_t *machine);
-buffer_t *state_machine_get_buffer(state_machine_t *machine, sm_buffer_t type);
-SSL *state_machine_get_SSL(state_machine_t *machine);
-int state_machine_set_SSL(state_machine_t *machine, SSL *ssl, int is_server);
+void state_machine_init(state_machine_t * machine);
+void state_machine_close(state_machine_t * machine);
+buffer_t *state_machine_get_buffer(state_machine_t * machine,
+                                   sm_buffer_t type);
+SSL *state_machine_get_SSL(state_machine_t * machine);
+int state_machine_set_SSL(state_machine_t * machine, SSL *ssl, int is_server);
 /* Performs the data-IO loop and returns zero if the machine should close */
-int state_machine_churn(state_machine_t *machine);
-/* Is used to handle closing conditions - namely when one side of the tunnel has
- * closed but the other should finish flushing. */
-int state_machine_close_clean(state_machine_t *machine);
-int state_machine_close_dirty(state_machine_t *machine);
-#endif /* !defined(NO_TUNALA) */
-
-#ifndef NO_IP
-/* Initialise anything related to the networking. This includes blocking pesky
- * SIGPIPE signals. */
+int state_machine_churn(state_machine_t * machine);
+/*
+ * Is used to handle closing conditions - namely when one side of the tunnel
+ * has closed but the other should finish flushing.
+ */
+int state_machine_close_clean(state_machine_t * machine);
+int state_machine_close_dirty(state_machine_t * machine);
+# endif                         /* !defined(NO_TUNALA) */
+
+# ifndef NO_IP
+/*
+ * Initialise anything related to the networking. This includes blocking
+ * pesky SIGPIPE signals.
+ */
 int ip_initialise(void);
-/* ip is the 4-byte ip address (eg. 127.0.0.1 is {0x7F,0x00,0x00,0x01}), port is
- * the port to listen on (host byte order), and the return value is the
- * file-descriptor or -1 on error. */
+/*
+ * ip is the 4-byte ip address (eg. 127.0.0.1 is {0x7F,0x00,0x00,0x01}), port
+ * is the port to listen on (host byte order), and the return value is the
+ * file-descriptor or -1 on error.
+ */
 int ip_create_listener_split(const char *ip, unsigned short port);
 /* Same semantics as above. */
 int ip_create_connection_split(const char *ip, unsigned short port);
 /* Converts a string into the ip/port before calling the above */
 int ip_create_listener(const char *address);
 int ip_create_connection(const char *address);
-/* Just does a string conversion on its own. NB: If accept_all_ip is non-zero,
- * then the address string could be just a port. Ie. it's suitable for a
- * listening address but not a connecting address. */
+/*
+ * Just does a string conversion on its own. NB: If accept_all_ip is
+ * non-zero, then the address string could be just a port. Ie. it's suitable
+ * for a listening address but not a connecting address.
+ */
 int ip_parse_address(const char *address, const char **parsed_ip,
-		unsigned short *port, int accept_all_ip);
-/* Accepts an incoming connection through the listener. Assumes selects and
- * what-not have deemed it an appropriate thing to do. */
+                     unsigned short *port, int accept_all_ip);
+/*
+ * Accepts an incoming connection through the listener. Assumes selects and
+ * what-not have deemed it an appropriate thing to do.
+ */
 int ip_accept_connection(int listen_fd);
-#endif /* !defined(NO_IP) */
+# endif                         /* !defined(NO_IP) */
 
 /* These functions wrap up things that can be portability hassles. */
 int int_strtoul(const char *str, unsigned long *val);
-#ifdef HAVE_STRSTR
-#define int_strstr strstr
-#else
+# ifdef HAVE_STRSTR
+#  define int_strstr strstr
+# else
 char *int_strstr(const char *haystack, const char *needle);
-#endif
+# endif
 
-#endif /* !defined(_TUNALA_H) */
+#endif                          /* !defined(_TUNALA_H) */
diff --git a/openssl/demos/x509/mkcert.c b/openssl/demos/x509/mkcert.c
index 6a52e5d0f..1e621464d 100644
--- a/openssl/demos/x509/mkcert.c
+++ b/openssl/demos/x509/mkcert.c
@@ -1,8 +1,7 @@
-/* Certificate creation. Demonstrates some certificate related
- * operations.
+/*
+ * Certificate creation. Demonstrates some certificate related operations.
  */
 
-
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -10,163 +9,161 @@
 #include <openssl/conf.h>
 #include <openssl/x509v3.h>
 #ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
 #endif
 
 int mkcert(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
 int add_ext(X509 *cert, int nid, char *value);
 
 int main(int argc, char **argv)
-	{
-	BIO *bio_err;
-	X509 *x509=NULL;
-	EVP_PKEY *pkey=NULL;
+{
+    BIO *bio_err;
+    X509 *x509 = NULL;
+    EVP_PKEY *pkey = NULL;
 
-	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 
-	bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
+    bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
 
-	mkcert(&x509,&pkey,512,0,365);
+    mkcert(&x509, &pkey, 512, 0, 365);
 
-	RSA_print_fp(stdout,pkey->pkey.rsa,0);
-	X509_print_fp(stdout,x509);
+    RSA_print_fp(stdout, pkey->pkey.rsa, 0);
+    X509_print_fp(stdout, x509);
 
-	PEM_write_PrivateKey(stdout,pkey,NULL,NULL,0,NULL, NULL);
-	PEM_write_X509(stdout,x509);
+    PEM_write_PrivateKey(stdout, pkey, NULL, NULL, 0, NULL, NULL);
+    PEM_write_X509(stdout, x509);
 
-	X509_free(x509);
-	EVP_PKEY_free(pkey);
+    X509_free(x509);
+    EVP_PKEY_free(pkey);
 
 #ifndef OPENSSL_NO_ENGINE
-	ENGINE_cleanup();
+    ENGINE_cleanup();
 #endif
-	CRYPTO_cleanup_all_ex_data();
+    CRYPTO_cleanup_all_ex_data();
 
-	CRYPTO_mem_leaks(bio_err);
-	BIO_free(bio_err);
-	return(0);
-	}
+    CRYPTO_mem_leaks(bio_err);
+    BIO_free(bio_err);
+    return (0);
+}
 
 static void callback(int p, int n, void *arg)
-	{
-	char c='B';
-
-	if (p == 0) c='.';
-	if (p == 1) c='+';
-	if (p == 2) c='*';
-	if (p == 3) c='\n';
-	fputc(c,stderr);
-	}
+{
+    char c = 'B';
+
+    if (p == 0)
+        c = '.';
+    if (p == 1)
+        c = '+';
+    if (p == 2)
+        c = '*';
+    if (p == 3)
+        c = '\n';
+    fputc(c, stderr);
+}
 
 int mkcert(X509 **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days)
-	{
-	X509 *x;
-	EVP_PKEY *pk;
-	RSA *rsa;
-	X509_NAME *name=NULL;
-	
-	if ((pkeyp == NULL) || (*pkeyp == NULL))
-		{
-		if ((pk=EVP_PKEY_new()) == NULL)
-			{
-			abort(); 
-			return(0);
-			}
-		}
-	else
-		pk= *pkeyp;
-
-	if ((x509p == NULL) || (*x509p == NULL))
-		{
-		if ((x=X509_new()) == NULL)
-			goto err;
-		}
-	else
-		x= *x509p;
-
-	rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
-	if (!EVP_PKEY_assign_RSA(pk,rsa))
-		{
-		abort();
-		goto err;
-		}
-	rsa=NULL;
-
-	X509_set_version(x,2);
-	ASN1_INTEGER_set(X509_get_serialNumber(x),serial);
-	X509_gmtime_adj(X509_get_notBefore(x),0);
-	X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
-	X509_set_pubkey(x,pk);
-
-	name=X509_get_subject_name(x);
-
-	/* This function creates and adds the entry, working out the
-	 * correct string type and performing checks on its length.
-	 * Normally we'd check the return value for errors...
-	 */
-	X509_NAME_add_entry_by_txt(name,"C",
-				MBSTRING_ASC, "UK", -1, -1, 0);
-	X509_NAME_add_entry_by_txt(name,"CN",
-				MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
-
-	/* Its self signed so set the issuer name to be the same as the
- 	 * subject.
-	 */
-	X509_set_issuer_name(x,name);
-
-	/* Add various extensions: standard extensions */
-	add_ext(x, NID_basic_constraints, "critical,CA:TRUE");
-	add_ext(x, NID_key_usage, "critical,keyCertSign,cRLSign");
-
-	add_ext(x, NID_subject_key_identifier, "hash");
-
-	/* Some Netscape specific extensions */
-	add_ext(x, NID_netscape_cert_type, "sslCA");
-
-	add_ext(x, NID_netscape_comment, "example comment extension");
-
+{
+    X509 *x;
+    EVP_PKEY *pk;
+    RSA *rsa;
+    X509_NAME *name = NULL;
+
+    if ((pkeyp == NULL) || (*pkeyp == NULL)) {
+        if ((pk = EVP_PKEY_new()) == NULL) {
+            abort();
+            return (0);
+        }
+    } else
+        pk = *pkeyp;
+
+    if ((x509p == NULL) || (*x509p == NULL)) {
+        if ((x = X509_new()) == NULL)
+            goto err;
+    } else
+        x = *x509p;
+
+    rsa = RSA_generate_key(bits, RSA_F4, callback, NULL);
+    if (!EVP_PKEY_assign_RSA(pk, rsa)) {
+        abort();
+        goto err;
+    }
+    rsa = NULL;
+
+    X509_set_version(x, 2);
+    ASN1_INTEGER_set(X509_get_serialNumber(x), serial);
+    X509_gmtime_adj(X509_get_notBefore(x), 0);
+    X509_gmtime_adj(X509_get_notAfter(x), (long)60 * 60 * 24 * days);
+    X509_set_pubkey(x, pk);
+
+    name = X509_get_subject_name(x);
+
+    /*
+     * This function creates and adds the entry, working out the correct
+     * string type and performing checks on its length. Normally we'd check
+     * the return value for errors...
+     */
+    X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, "UK", -1, -1, 0);
+    X509_NAME_add_entry_by_txt(name, "CN",
+                               MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
+
+    /*
+     * Its self signed so set the issuer name to be the same as the subject.
+     */
+    X509_set_issuer_name(x, name);
+
+    /* Add various extensions: standard extensions */
+    add_ext(x, NID_basic_constraints, "critical,CA:TRUE");
+    add_ext(x, NID_key_usage, "critical,keyCertSign,cRLSign");
+
+    add_ext(x, NID_subject_key_identifier, "hash");
+
+    /* Some Netscape specific extensions */
+    add_ext(x, NID_netscape_cert_type, "sslCA");
+
+    add_ext(x, NID_netscape_comment, "example comment extension");
 
 #ifdef CUSTOM_EXT
-	/* Maybe even add our own extension based on existing */
-	{
-		int nid;
-		nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
-		X509V3_EXT_add_alias(nid, NID_netscape_comment);
-		add_ext(x, nid, "example comment alias");
-	}
+    /* Maybe even add our own extension based on existing */
+    {
+        int nid;
+        nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
+        X509V3_EXT_add_alias(nid, NID_netscape_comment);
+        add_ext(x, nid, "example comment alias");
+    }
 #endif
-	
-	if (!X509_sign(x,pk,EVP_sha1()))
-		goto err;
-
-	*x509p=x;
-	*pkeyp=pk;
-	return(1);
-err:
-	return(0);
-	}
-
-/* Add extension using V3 code: we can set the config file as NULL
- * because we wont reference any other sections.
+
+    if (!X509_sign(x, pk, EVP_sha1()))
+        goto err;
+
+    *x509p = x;
+    *pkeyp = pk;
+    return (1);
+ err:
+    return (0);
+}
+
+/*
+ * Add extension using V3 code: we can set the config file as NULL because we
+ * wont reference any other sections.
  */
 
 int add_ext(X509 *cert, int nid, char *value)
-	{
-	X509_EXTENSION *ex;
-	X509V3_CTX ctx;
-	/* This sets the 'context' of the extensions. */
-	/* No configuration database */
-	X509V3_set_ctx_nodb(&ctx);
-	/* Issuer and subject certs: both the target since it is self signed,
-	 * no request and no CRL
-	 */
-	X509V3_set_ctx(&ctx, cert, cert, NULL, NULL, 0);
-	ex = X509V3_EXT_conf_nid(NULL, &ctx, nid, value);
-	if (!ex)
-		return 0;
-
-	X509_add_ext(cert,ex,-1);
-	X509_EXTENSION_free(ex);
-	return 1;
-	}
-	
+{
+    X509_EXTENSION *ex;
+    X509V3_CTX ctx;
+    /* This sets the 'context' of the extensions. */
+    /* No configuration database */
+    X509V3_set_ctx_nodb(&ctx);
+    /*
+     * Issuer and subject certs: both the target since it is self signed, no
+     * request and no CRL
+     */
+    X509V3_set_ctx(&ctx, cert, cert, NULL, NULL, 0);
+    ex = X509V3_EXT_conf_nid(NULL, &ctx, nid, value);
+    if (!ex)
+        return 0;
+
+    X509_add_ext(cert, ex, -1);
+    X509_EXTENSION_free(ex);
+    return 1;
+}
diff --git a/openssl/demos/x509/mkreq.c b/openssl/demos/x509/mkreq.c
index d1cba9dc5..4d2ad79b5 100644
--- a/openssl/demos/x509/mkreq.c
+++ b/openssl/demos/x509/mkreq.c
@@ -1,4 +1,5 @@
-/* Certificate request creation. Demonstrates some request related
+/*
+ * Certificate request creation. Demonstrates some request related
  * operations.
  */
 
@@ -10,153 +11,158 @@
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 #ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
 #endif
 
 int mkreq(X509_REQ **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
 int add_ext(STACK_OF(X509_EXTENSION) *sk, int nid, char *value);
 
 int main(int argc, char **argv)
-	{
-	BIO *bio_err;
-	X509_REQ *req=NULL;
-	EVP_PKEY *pkey=NULL;
+{
+    BIO *bio_err;
+    X509_REQ *req = NULL;
+    EVP_PKEY *pkey = NULL;
 
-	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 
-	bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
+    bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
 
-	mkreq(&req,&pkey,512,0,365);
+    mkreq(&req, &pkey, 512, 0, 365);
 
-	RSA_print_fp(stdout,pkey->pkey.rsa,0);
-	X509_REQ_print_fp(stdout,req);
+    RSA_print_fp(stdout, pkey->pkey.rsa, 0);
+    X509_REQ_print_fp(stdout, req);
 
-	PEM_write_X509_REQ(stdout,req);
+    PEM_write_X509_REQ(stdout, req);
 
-	X509_REQ_free(req);
-	EVP_PKEY_free(pkey);
+    X509_REQ_free(req);
+    EVP_PKEY_free(pkey);
 
 #ifndef OPENSSL_NO_ENGINE
-	ENGINE_cleanup();
+    ENGINE_cleanup();
 #endif
-	CRYPTO_cleanup_all_ex_data();
+    CRYPTO_cleanup_all_ex_data();
 
-	CRYPTO_mem_leaks(bio_err);
-	BIO_free(bio_err);
-	return(0);
-	}
+    CRYPTO_mem_leaks(bio_err);
+    BIO_free(bio_err);
+    return (0);
+}
 
 static void callback(int p, int n, void *arg)
-	{
-	char c='B';
-
-	if (p == 0) c='.';
-	if (p == 1) c='+';
-	if (p == 2) c='*';
-	if (p == 3) c='\n';
-	fputc(c,stderr);
-	}
+{
+    char c = 'B';
+
+    if (p == 0)
+        c = '.';
+    if (p == 1)
+        c = '+';
+    if (p == 2)
+        c = '*';
+    if (p == 3)
+        c = '\n';
+    fputc(c, stderr);
+}
 
 int mkreq(X509_REQ **req, EVP_PKEY **pkeyp, int bits, int serial, int days)
-	{
-	X509_REQ *x;
-	EVP_PKEY *pk;
-	RSA *rsa;
-	X509_NAME *name=NULL;
-	STACK_OF(X509_EXTENSION) *exts = NULL;
-	
-	if ((pk=EVP_PKEY_new()) == NULL)
-		goto err;
-
-	if ((x=X509_REQ_new()) == NULL)
-		goto err;
-
-	rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
-	if (!EVP_PKEY_assign_RSA(pk,rsa))
-		goto err;
-
-	rsa=NULL;
-
-	X509_REQ_set_pubkey(x,pk);
-
-	name=X509_REQ_get_subject_name(x);
-
-	/* This function creates and adds the entry, working out the
-	 * correct string type and performing checks on its length.
-	 * Normally we'd check the return value for errors...
-	 */
-	X509_NAME_add_entry_by_txt(name,"C",
-				MBSTRING_ASC, "UK", -1, -1, 0);
-	X509_NAME_add_entry_by_txt(name,"CN",
-				MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
+{
+    X509_REQ *x;
+    EVP_PKEY *pk;
+    RSA *rsa;
+    X509_NAME *name = NULL;
+    STACK_OF(X509_EXTENSION) *exts = NULL;
 
-#ifdef REQUEST_EXTENSIONS
-	/* Certificate requests can contain extensions, which can be used
-	 * to indicate the extensions the requestor would like added to 
-	 * their certificate. CAs might ignore them however or even choke
-	 * if they are present.
-	 */
+    if ((pk = EVP_PKEY_new()) == NULL)
+        goto err;
+
+    if ((x = X509_REQ_new()) == NULL)
+        goto err;
 
-	/* For request extensions they are all packed in a single attribute.
-	 * We save them in a STACK and add them all at once later...
-	 */
+    rsa = RSA_generate_key(bits, RSA_F4, callback, NULL);
+    if (!EVP_PKEY_assign_RSA(pk, rsa))
+        goto err;
 
-	exts = sk_X509_EXTENSION_new_null();
-	/* Standard extenions */
+    rsa = NULL;
 
-	add_ext(exts, NID_key_usage, "critical,digitalSignature,keyEncipherment");
+    X509_REQ_set_pubkey(x, pk);
 
-	/* This is a typical use for request extensions: requesting a value for
-	 * subject alternative name.
-	 */
+    name = X509_REQ_get_subject_name(x);
 
-	add_ext(exts, NID_subject_alt_name, "email:steve@openssl.org");
+    /*
+     * This function creates and adds the entry, working out the correct
+     * string type and performing checks on its length. Normally we'd check
+     * the return value for errors...
+     */
+    X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, "UK", -1, -1, 0);
+    X509_NAME_add_entry_by_txt(name, "CN",
+                               MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
 
-	/* Some Netscape specific extensions */
-	add_ext(exts, NID_netscape_cert_type, "client,email");
+#ifdef REQUEST_EXTENSIONS
+    /*
+     * Certificate requests can contain extensions, which can be used to
+     * indicate the extensions the requestor would like added to their
+     * certificate. CAs might ignore them however or even choke if they are
+     * present.
+     */
 
+    /*
+     * For request extensions they are all packed in a single attribute. We
+     * save them in a STACK and add them all at once later...
+     */
 
+    exts = sk_X509_EXTENSION_new_null();
+    /* Standard extenions */
 
-#ifdef CUSTOM_EXT
-	/* Maybe even add our own extension based on existing */
-	{
-		int nid;
-		nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
-		X509V3_EXT_add_alias(nid, NID_netscape_comment);
-		add_ext(x, nid, "example comment alias");
-	}
-#endif
+    add_ext(exts, NID_key_usage, "critical,digitalSignature,keyEncipherment");
+
+    /*
+     * This is a typical use for request extensions: requesting a value for
+     * subject alternative name.
+     */
 
-	/* Now we've created the extensions we add them to the request */
+    add_ext(exts, NID_subject_alt_name, "email:steve@openssl.org");
 
-	X509_REQ_add_extensions(x, exts);
+    /* Some Netscape specific extensions */
+    add_ext(exts, NID_netscape_cert_type, "client,email");
 
-	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
+# ifdef CUSTOM_EXT
+    /* Maybe even add our own extension based on existing */
+    {
+        int nid;
+        nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
+        X509V3_EXT_add_alias(nid, NID_netscape_comment);
+        add_ext(x, nid, "example comment alias");
+    }
+# endif
+
+    /* Now we've created the extensions we add them to the request */
+
+    X509_REQ_add_extensions(x, exts);
+
+    sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 
 #endif
-	
-	if (!X509_REQ_sign(x,pk,EVP_sha1()))
-		goto err;
-
-	*req=x;
-	*pkeyp=pk;
-	return(1);
-err:
-	return(0);
-	}
-
-/* Add extension using V3 code: we can set the config file as NULL
- * because we wont reference any other sections.
+
+    if (!X509_REQ_sign(x, pk, EVP_sha1()))
+        goto err;
+
+    *req = x;
+    *pkeyp = pk;
+    return (1);
+ err:
+    return (0);
+}
+
+/*
+ * Add extension using V3 code: we can set the config file as NULL because we
+ * wont reference any other sections.
  */
 
 int add_ext(STACK_OF(X509_EXTENSION) *sk, int nid, char *value)
-	{
-	X509_EXTENSION *ex;
-	ex = X509V3_EXT_conf_nid(NULL, NULL, nid, value);
-	if (!ex)
-		return 0;
-	sk_X509_EXTENSION_push(sk, ex);
-
-	return 1;
-	}
-	
+{
+    X509_EXTENSION *ex;
+    ex = X509V3_EXT_conf_nid(NULL, NULL, nid, value);
+    if (!ex)
+        return 0;
+    sk_X509_EXTENSION_push(sk, ex);
+
+    return 1;
+}