Update openssl to version openssl-1.0.1m

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

15 files changed, 4084 insertions, 4051 deletions

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
 }