Upgraded to openssl-1.0.2

1 files changed, 882 insertions, 866 deletions

diff --git a/openssl/engines/e_ubsec.c b/openssl/engines/e_ubsec.c
index aa5709bd8..2d6331d69 100644
--- a/openssl/engines/e_ubsec.c
+++ b/openssl/engines/e_ubsec.c
@@ -1,8 +1,7 @@
 /* crypto/engine/hw_ubsec.c */
-/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
- * project 2000.
- *
- * Cloned shamelessly by Joe Tardo. 
+/*
+ * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
+ * 2000. Cloned shamelessly by Joe Tardo.
  */
 /* ====================================================================
  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
@@ -12,7 +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
@@ -65,1005 +64,1022 @@
 #include <openssl/dso.h>
 #include <openssl/engine.h>
 #ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
+# include <openssl/rsa.h>
 #endif
 #ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
+# include <openssl/dsa.h>
 #endif
 #ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
+# include <openssl/dh.h>
 #endif
 #include <openssl/bn.h>
 
 #ifndef OPENSSL_NO_HW
-#ifndef OPENSSL_NO_HW_UBSEC
+# ifndef OPENSSL_NO_HW_UBSEC
 
-#ifdef FLAT_INC
-#include "hw_ubsec.h"
-#else
-#include "vendor_defns/hw_ubsec.h"
-#endif
+#  ifdef FLAT_INC
+#   include "hw_ubsec.h"
+#  else
+#   include "vendor_defns/hw_ubsec.h"
+#  endif
 
-#define UBSEC_LIB_NAME "ubsec engine"
-#include "e_ubsec_err.c"
+#  define UBSEC_LIB_NAME "ubsec engine"
+#  include "e_ubsec_err.c"
 
-#define FAIL_TO_SOFTWARE -15
+#  define FAIL_TO_SOFTWARE -15
 
 static int ubsec_destroy(ENGINE *e);
 static int ubsec_init(ENGINE *e);
 static int ubsec_finish(ENGINE *e);
-static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
+static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void));
 static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx);
-#ifndef OPENSSL_NO_RSA
+                         const BIGNUM *m, BN_CTX *ctx);
+#  ifndef OPENSSL_NO_RSA
 static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			const BIGNUM *q, const BIGNUM *dp,
-			const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx);
-static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
+                             const BIGNUM *q, const BIGNUM *dp,
+                             const BIGNUM *dq, const BIGNUM *qinv,
+                             BN_CTX *ctx);
+static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
+                             BN_CTX *ctx);
 static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-#endif
-#ifndef OPENSSL_NO_DSA
-#ifdef NOT_USED
+                              const BIGNUM *m, BN_CTX *ctx,
+                              BN_MONT_CTX *m_ctx);
+#  endif
+#  ifndef OPENSSL_NO_DSA
+#   ifdef NOT_USED
 static int ubsec_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 ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
-		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx);
-#endif
-static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+                             const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                             BN_MONT_CTX *m_ctx);
+#   endif
+static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen,
+                                  DSA *dsa);
 static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
-                                DSA_SIG *sig, DSA *dsa);
-#endif
-#ifndef OPENSSL_NO_DH
+                            DSA_SIG *sig, DSA *dsa);
+#  endif
+#  ifndef OPENSSL_NO_DH
 static int ubsec_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);
-static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
+                            const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                            BN_MONT_CTX *m_ctx);
+static int ubsec_dh_compute_key(unsigned char *key, const BIGNUM *pub_key,
+                                DH *dh);
 static int ubsec_dh_generate_key(DH *dh);
-#endif
+#  endif
 
-#ifdef NOT_USED
+#  ifdef NOT_USED
 static int ubsec_rand_bytes(unsigned char *buf, int num);
 static int ubsec_rand_status(void);
-#endif
+#  endif
 
-#define UBSEC_CMD_SO_PATH		ENGINE_CMD_BASE
+#  define UBSEC_CMD_SO_PATH               ENGINE_CMD_BASE
 static const ENGINE_CMD_DEFN ubsec_cmd_defns[] = {
-	{UBSEC_CMD_SO_PATH,
-		"SO_PATH",
-		"Specifies the path to the 'ubsec' shared library",
-		ENGINE_CMD_FLAG_STRING},
-	{0, NULL, NULL, 0}
-	};
-
-#ifndef OPENSSL_NO_RSA
+    {UBSEC_CMD_SO_PATH,
+     "SO_PATH",
+     "Specifies the path to the 'ubsec' 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 ubsec_rsa =
-	{
-	"UBSEC RSA method",
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	ubsec_rsa_mod_exp,
-	ubsec_mod_exp_mont,
-	NULL,
-	NULL,
-	0,
-	NULL,
-	NULL,
-	NULL,
-	NULL
-	};
-#endif
-
-#ifndef OPENSSL_NO_DSA
+static RSA_METHOD ubsec_rsa = {
+    "UBSEC RSA method",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    ubsec_rsa_mod_exp,
+    ubsec_mod_exp_mont,
+    NULL,
+    NULL,
+    0,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+#  endif
+
+#  ifndef OPENSSL_NO_DSA
 /* Our internal DSA_METHOD that we provide pointers to */
-static DSA_METHOD ubsec_dsa =
-	{
-	"UBSEC DSA method",
-	ubsec_dsa_do_sign, /* dsa_do_sign */
-	NULL, /* dsa_sign_setup */
-	ubsec_dsa_verify, /* dsa_do_verify */
-	NULL, /* ubsec_dsa_mod_exp */ /* dsa_mod_exp */
-	NULL, /* ubsec_mod_exp_dsa */ /* bn_mod_exp */
-	NULL, /* init */
-	NULL, /* finish */
-	0, /* flags */
-	NULL, /* app_data */
-	NULL, /* dsa_paramgen */
-	NULL /* dsa_keygen */
-	};
-#endif
-
-#ifndef OPENSSL_NO_DH
+static DSA_METHOD ubsec_dsa = {
+    "UBSEC DSA method",
+    ubsec_dsa_do_sign,          /* dsa_do_sign */
+    NULL,                       /* dsa_sign_setup */
+    ubsec_dsa_verify,           /* dsa_do_verify */
+    NULL,                       /* ubsec_dsa_mod_exp *//* dsa_mod_exp */
+    NULL,                       /* ubsec_mod_exp_dsa *//* bn_mod_exp */
+    NULL,                       /* init */
+    NULL,                       /* finish */
+    0,                          /* flags */
+    NULL,                       /* app_data */
+    NULL,                       /* dsa_paramgen */
+    NULL                        /* dsa_keygen */
+};
+#  endif
+
+#  ifndef OPENSSL_NO_DH
 /* Our internal DH_METHOD that we provide pointers to */
-static DH_METHOD ubsec_dh =
-	{
-	"UBSEC DH method",
-	ubsec_dh_generate_key,
-	ubsec_dh_compute_key,
-	ubsec_mod_exp_dh,
-	NULL,
-	NULL,
-	0,
-	NULL,
-	NULL
-	};
-#endif
+static DH_METHOD ubsec_dh = {
+    "UBSEC DH method",
+    ubsec_dh_generate_key,
+    ubsec_dh_compute_key,
+    ubsec_mod_exp_dh,
+    NULL,
+    NULL,
+    0,
+    NULL,
+    NULL
+};
+#  endif
 
 /* Constants used when creating the ENGINE */
 static const char *engine_ubsec_id = "ubsec";
 static const char *engine_ubsec_name = "UBSEC hardware engine support";
 
-/* This internal function is used by ENGINE_ubsec() and possibly by the
- * "dynamic" ENGINE support too */
+/*
+ * This internal function is used by ENGINE_ubsec() 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_DH
-#ifndef HAVE_UBSEC_DH
-	const DH_METHOD *meth3;
-#endif /* HAVE_UBSEC_DH */
-#endif
-	if(!ENGINE_set_id(e, engine_ubsec_id) ||
-			!ENGINE_set_name(e, engine_ubsec_name) ||
-#ifndef OPENSSL_NO_RSA
-			!ENGINE_set_RSA(e, &ubsec_rsa) ||
-#endif
-#ifndef OPENSSL_NO_DSA
-			!ENGINE_set_DSA(e, &ubsec_dsa) ||
-#endif
-#ifndef OPENSSL_NO_DH
-			!ENGINE_set_DH(e, &ubsec_dh) ||
-#endif
-			!ENGINE_set_destroy_function(e, ubsec_destroy) ||
-			!ENGINE_set_init_function(e, ubsec_init) ||
-			!ENGINE_set_finish_function(e, ubsec_finish) ||
-			!ENGINE_set_ctrl_function(e, ubsec_ctrl) ||
-			!ENGINE_set_cmd_defns(e, ubsec_cmd_defns))
-		return 0;
-
-#ifndef OPENSSL_NO_RSA
-	/* We know that the "PKCS1_SSLeay()" functions hook properly
-	 * to the Broadcom-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();
-	ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
-	ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
-	ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
-	ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
-#endif
-
-#ifndef OPENSSL_NO_DH
-#ifndef HAVE_UBSEC_DH
-	/* Much the same for Diffie-Hellman */
-	meth3 = DH_OpenSSL();
-	ubsec_dh.generate_key = meth3->generate_key;
-	ubsec_dh.compute_key = meth3->compute_key;
-#endif /* HAVE_UBSEC_DH */
-#endif
-
-	/* Ensure the ubsec error handling is set up */
-	ERR_load_UBSEC_strings();
-	return 1;
-	}
+{
+#  ifndef OPENSSL_NO_RSA
+    const RSA_METHOD *meth1;
+#  endif
+#  ifndef OPENSSL_NO_DH
+#   ifndef HAVE_UBSEC_DH
+    const DH_METHOD *meth3;
+#   endif                       /* HAVE_UBSEC_DH */
+#  endif
+    if (!ENGINE_set_id(e, engine_ubsec_id) ||
+        !ENGINE_set_name(e, engine_ubsec_name) ||
+#  ifndef OPENSSL_NO_RSA
+        !ENGINE_set_RSA(e, &ubsec_rsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DSA
+        !ENGINE_set_DSA(e, &ubsec_dsa) ||
+#  endif
+#  ifndef OPENSSL_NO_DH
+        !ENGINE_set_DH(e, &ubsec_dh) ||
+#  endif
+        !ENGINE_set_destroy_function(e, ubsec_destroy) ||
+        !ENGINE_set_init_function(e, ubsec_init) ||
+        !ENGINE_set_finish_function(e, ubsec_finish) ||
+        !ENGINE_set_ctrl_function(e, ubsec_ctrl) ||
+        !ENGINE_set_cmd_defns(e, ubsec_cmd_defns))
+        return 0;
+
+#  ifndef OPENSSL_NO_RSA
+    /*
+     * We know that the "PKCS1_SSLeay()" functions hook properly to the
+     * Broadcom-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();
+    ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
+    ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
+    ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
+    ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+#   ifndef HAVE_UBSEC_DH
+    /* Much the same for Diffie-Hellman */
+    meth3 = DH_OpenSSL();
+    ubsec_dh.generate_key = meth3->generate_key;
+    ubsec_dh.compute_key = meth3->compute_key;
+#   endif                       /* HAVE_UBSEC_DH */
+#  endif
+
+    /* Ensure the ubsec error handling is set up */
+    ERR_load_UBSEC_strings();
+    return 1;
+}
 
-#ifdef OPENSSL_NO_DYNAMIC_ENGINE
+#  ifdef OPENSSL_NO_DYNAMIC_ENGINE
 static ENGINE *engine_ubsec(void)
-	{
-	ENGINE *ret = ENGINE_new();
-	if(!ret)
-		return NULL;
-	if(!bind_helper(ret))
-		{
-		ENGINE_free(ret);
-		return NULL;
-		}
-	return ret;
-	}
+{
+    ENGINE *ret = ENGINE_new();
+    if (!ret)
+        return NULL;
+    if (!bind_helper(ret)) {
+        ENGINE_free(ret);
+        return NULL;
+    }
+    return ret;
+}
 
 void ENGINE_load_ubsec(void)
-	{
-	/* Copied from eng_[openssl|dyn].c */
-	ENGINE *toadd = engine_ubsec();
-	if(!toadd) return;
-	ENGINE_add(toadd);
-	ENGINE_free(toadd);
-	ERR_clear_error();
-	}
-#endif
+{
+    /* Copied from eng_[openssl|dyn].c */
+    ENGINE *toadd = engine_ubsec();
+    if (!toadd)
+        return;
+    ENGINE_add(toadd);
+    ENGINE_free(toadd);
+    ERR_clear_error();
+}
+#  endif
 
-/* This is a process-global DSO handle used for loading and unloading
- * the UBSEC 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
+ * UBSEC 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 *ubsec_dso = NULL;
 
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
+/*
+ * These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded.
+ */
 
 static t_UBSEC_ubsec_bytes_to_bits *p_UBSEC_ubsec_bytes_to_bits = NULL;
 static t_UBSEC_ubsec_bits_to_bytes *p_UBSEC_ubsec_bits_to_bytes = NULL;
 static t_UBSEC_ubsec_open *p_UBSEC_ubsec_open = NULL;
 static t_UBSEC_ubsec_close *p_UBSEC_ubsec_close = NULL;
-#ifndef OPENSSL_NO_DH
-static t_UBSEC_diffie_hellman_generate_ioctl 
-	*p_UBSEC_diffie_hellman_generate_ioctl = NULL;
-static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL;
-#endif
-#ifndef OPENSSL_NO_RSA
+#  ifndef OPENSSL_NO_DH
+static t_UBSEC_diffie_hellman_generate_ioctl
+    * p_UBSEC_diffie_hellman_generate_ioctl = NULL;
+static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl
+    = NULL;
+#  endif
+#  ifndef OPENSSL_NO_RSA
 static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
 static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
-#endif
-#ifndef OPENSSL_NO_DSA
+#  endif
+#  ifndef OPENSSL_NO_DSA
 static t_UBSEC_dsa_sign_ioctl *p_UBSEC_dsa_sign_ioctl = NULL;
 static t_UBSEC_dsa_verify_ioctl *p_UBSEC_dsa_verify_ioctl = NULL;
-#endif
+#  endif
 static t_UBSEC_math_accelerate_ioctl *p_UBSEC_math_accelerate_ioctl = NULL;
 static t_UBSEC_rng_ioctl *p_UBSEC_rng_ioctl = NULL;
 static t_UBSEC_max_key_len_ioctl *p_UBSEC_max_key_len_ioctl = NULL;
 
 static int max_key_len = 1024;  /* ??? */
 
-/* 
+/*
  * These are the static string constants for the DSO file name and the function
- * symbol names to bind to. 
+ * symbol names to bind to.
  */
 
 static const char *UBSEC_LIBNAME = NULL;
 static const char *get_UBSEC_LIBNAME(void)
-	{
-	if(UBSEC_LIBNAME)
-		return UBSEC_LIBNAME;
-	return "ubsec";
-	}
+{
+    if (UBSEC_LIBNAME)
+        return UBSEC_LIBNAME;
+    return "ubsec";
+}
+
 static void free_UBSEC_LIBNAME(void)
-	{
-	if(UBSEC_LIBNAME)
-		OPENSSL_free((void*)UBSEC_LIBNAME);
-	UBSEC_LIBNAME = NULL;
-	}
+{
+    if (UBSEC_LIBNAME)
+        OPENSSL_free((void *)UBSEC_LIBNAME);
+    UBSEC_LIBNAME = NULL;
+}
+
 static long set_UBSEC_LIBNAME(const char *name)
-	{
-	free_UBSEC_LIBNAME();
-	return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
-	}
+{
+    free_UBSEC_LIBNAME();
+    return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
+}
+
 static const char *UBSEC_F1 = "ubsec_bytes_to_bits";
 static const char *UBSEC_F2 = "ubsec_bits_to_bytes";
 static const char *UBSEC_F3 = "ubsec_open";
 static const char *UBSEC_F4 = "ubsec_close";
-#ifndef OPENSSL_NO_DH
+#  ifndef OPENSSL_NO_DH
 static const char *UBSEC_F5 = "diffie_hellman_generate_ioctl";
 static const char *UBSEC_F6 = "diffie_hellman_agree_ioctl";
-#endif
+#  endif
 /* #ifndef OPENSSL_NO_RSA */
 static const char *UBSEC_F7 = "rsa_mod_exp_ioctl";
 static const char *UBSEC_F8 = "rsa_mod_exp_crt_ioctl";
 /* #endif */
-#ifndef OPENSSL_NO_DSA
+#  ifndef OPENSSL_NO_DSA
 static const char *UBSEC_F9 = "dsa_sign_ioctl";
 static const char *UBSEC_F10 = "dsa_verify_ioctl";
-#endif
+#  endif
 static const char *UBSEC_F11 = "math_accelerate_ioctl";
 static const char *UBSEC_F12 = "rng_ioctl";
 static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl";
 
 /* Destructor (complements the "ENGINE_ubsec()" constructor) */
 static int ubsec_destroy(ENGINE *e)
-	{
-	free_UBSEC_LIBNAME();
-	ERR_unload_UBSEC_strings();
-	return 1;
-	}
+{
+    free_UBSEC_LIBNAME();
+    ERR_unload_UBSEC_strings();
+    return 1;
+}
 
 /* (de)initialisation functions. */
 static int ubsec_init(ENGINE *e)
-	{
-	t_UBSEC_ubsec_bytes_to_bits *p1;
-	t_UBSEC_ubsec_bits_to_bytes *p2;
-	t_UBSEC_ubsec_open *p3;
-	t_UBSEC_ubsec_close *p4;
-#ifndef OPENSSL_NO_DH
-	t_UBSEC_diffie_hellman_generate_ioctl *p5;
-	t_UBSEC_diffie_hellman_agree_ioctl *p6;
-#endif
+{
+    t_UBSEC_ubsec_bytes_to_bits *p1;
+    t_UBSEC_ubsec_bits_to_bytes *p2;
+    t_UBSEC_ubsec_open *p3;
+    t_UBSEC_ubsec_close *p4;
+#  ifndef OPENSSL_NO_DH
+    t_UBSEC_diffie_hellman_generate_ioctl *p5;
+    t_UBSEC_diffie_hellman_agree_ioctl *p6;
+#  endif
 /* #ifndef OPENSSL_NO_RSA */
-	t_UBSEC_rsa_mod_exp_ioctl *p7;
-	t_UBSEC_rsa_mod_exp_crt_ioctl *p8;
+    t_UBSEC_rsa_mod_exp_ioctl *p7;
+    t_UBSEC_rsa_mod_exp_crt_ioctl *p8;
 /* #endif */
-#ifndef OPENSSL_NO_DSA
-	t_UBSEC_dsa_sign_ioctl *p9;
-	t_UBSEC_dsa_verify_ioctl *p10;
-#endif
-	t_UBSEC_math_accelerate_ioctl *p11;
-	t_UBSEC_rng_ioctl *p12;
-        t_UBSEC_max_key_len_ioctl *p13;
-	int fd = 0;
-
-	if(ubsec_dso != NULL)
-		{
-		UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
-		goto err;
-		}
-	/* 
-	 * Attempt to load libubsec.so/ubsec.dll/whatever. 
-	 */
-	ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
-	if(ubsec_dso == NULL)
-		{
-		UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
-		goto err;
-		}
-
-	if (
-	!(p1 = (t_UBSEC_ubsec_bytes_to_bits *) DSO_bind_func(ubsec_dso, UBSEC_F1)) ||
-	!(p2 = (t_UBSEC_ubsec_bits_to_bytes *) DSO_bind_func(ubsec_dso, UBSEC_F2)) ||
-	!(p3 = (t_UBSEC_ubsec_open *) DSO_bind_func(ubsec_dso, UBSEC_F3)) ||
-	!(p4 = (t_UBSEC_ubsec_close *) DSO_bind_func(ubsec_dso, UBSEC_F4)) ||
-#ifndef OPENSSL_NO_DH
-	!(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *) 
-				DSO_bind_func(ubsec_dso, UBSEC_F5)) ||
-	!(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *) 
-				DSO_bind_func(ubsec_dso, UBSEC_F6)) ||
-#endif
+#  ifndef OPENSSL_NO_DSA
+    t_UBSEC_dsa_sign_ioctl *p9;
+    t_UBSEC_dsa_verify_ioctl *p10;
+#  endif
+    t_UBSEC_math_accelerate_ioctl *p11;
+    t_UBSEC_rng_ioctl *p12;
+    t_UBSEC_max_key_len_ioctl *p13;
+    int fd = 0;
+
+    if (ubsec_dso != NULL) {
+        UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
+        goto err;
+    }
+    /*
+     * Attempt to load libubsec.so/ubsec.dll/whatever.
+     */
+    ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
+    if (ubsec_dso == NULL) {
+        UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
+        goto err;
+    }
+
+    if (!(p1 = (t_UBSEC_ubsec_bytes_to_bits *)
+          DSO_bind_func(ubsec_dso, UBSEC_F1))
+        || !(p2 = (t_UBSEC_ubsec_bits_to_bytes *)
+             DSO_bind_func(ubsec_dso, UBSEC_F2))
+        || !(p3 = (t_UBSEC_ubsec_open *)
+             DSO_bind_func(ubsec_dso, UBSEC_F3))
+        || !(p4 = (t_UBSEC_ubsec_close *)
+             DSO_bind_func(ubsec_dso, UBSEC_F4))
+#  ifndef OPENSSL_NO_DH
+        || !(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F5))
+        || !(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F6))
+#  endif
 /* #ifndef OPENSSL_NO_RSA */
-	!(p7 = (t_UBSEC_rsa_mod_exp_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F7)) ||
-	!(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F8)) ||
+        || !(p7 = (t_UBSEC_rsa_mod_exp_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F7))
+        || !(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F8))
 /* #endif */
-#ifndef OPENSSL_NO_DSA
-	!(p9 = (t_UBSEC_dsa_sign_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F9)) ||
-	!(p10 = (t_UBSEC_dsa_verify_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F10)) ||
-#endif
-	!(p11 = (t_UBSEC_math_accelerate_ioctl *) 
-				DSO_bind_func(ubsec_dso, UBSEC_F11)) ||
-	!(p12 = (t_UBSEC_rng_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F12)) ||
-        !(p13 = (t_UBSEC_max_key_len_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F13)))
-		{
-		UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
-		goto err;
-		}
-
-	/* Copy the pointers */
-	p_UBSEC_ubsec_bytes_to_bits = p1;
-	p_UBSEC_ubsec_bits_to_bytes = p2;
-	p_UBSEC_ubsec_open = p3;
-	p_UBSEC_ubsec_close = p4;
-#ifndef OPENSSL_NO_DH
-	p_UBSEC_diffie_hellman_generate_ioctl = p5;
-	p_UBSEC_diffie_hellman_agree_ioctl = p6;
-#endif
-#ifndef OPENSSL_NO_RSA
-	p_UBSEC_rsa_mod_exp_ioctl = p7;
-	p_UBSEC_rsa_mod_exp_crt_ioctl = p8;
-#endif
-#ifndef OPENSSL_NO_DSA
-	p_UBSEC_dsa_sign_ioctl = p9;
-	p_UBSEC_dsa_verify_ioctl = p10;
-#endif
-	p_UBSEC_math_accelerate_ioctl = p11;
-	p_UBSEC_rng_ioctl = p12;
-        p_UBSEC_max_key_len_ioctl = p13;
-
-	/* Perform an open to see if there's actually any unit running. */
-	if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0) && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0))
-	{
-	   p_UBSEC_ubsec_close(fd);
-	   return 1;
-	}
-	else
-	{
-	  UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
-	}
-
-err:
-	if(ubsec_dso)
-		DSO_free(ubsec_dso);
-	ubsec_dso = NULL;
-	p_UBSEC_ubsec_bytes_to_bits = NULL;
-	p_UBSEC_ubsec_bits_to_bytes = NULL;
-	p_UBSEC_ubsec_open = NULL;
-	p_UBSEC_ubsec_close = NULL;
-#ifndef OPENSSL_NO_DH
-	p_UBSEC_diffie_hellman_generate_ioctl = NULL;
-	p_UBSEC_diffie_hellman_agree_ioctl = NULL;
-#endif
-#ifndef OPENSSL_NO_RSA
-	p_UBSEC_rsa_mod_exp_ioctl = NULL;
-	p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
-#endif
-#ifndef OPENSSL_NO_DSA
-	p_UBSEC_dsa_sign_ioctl = NULL;
-	p_UBSEC_dsa_verify_ioctl = NULL;
-#endif
-	p_UBSEC_math_accelerate_ioctl = NULL;
-	p_UBSEC_rng_ioctl = NULL;
-        p_UBSEC_max_key_len_ioctl = NULL;
-
-	return 0;
-	}
+#  ifndef OPENSSL_NO_DSA
+        || !(p9 = (t_UBSEC_dsa_sign_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F9))
+        || !(p10 = (t_UBSEC_dsa_verify_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F10))
+#  endif
+        || !(p11 = (t_UBSEC_math_accelerate_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F11))
+        || !(p12 = (t_UBSEC_rng_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F12))
+        || !(p13 = (t_UBSEC_max_key_len_ioctl *)
+             DSO_bind_func(ubsec_dso, UBSEC_F13))) {
+        UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
+        goto err;
+    }
+
+    /* Copy the pointers */
+    p_UBSEC_ubsec_bytes_to_bits = p1;
+    p_UBSEC_ubsec_bits_to_bytes = p2;
+    p_UBSEC_ubsec_open = p3;
+    p_UBSEC_ubsec_close = p4;
+#  ifndef OPENSSL_NO_DH
+    p_UBSEC_diffie_hellman_generate_ioctl = p5;
+    p_UBSEC_diffie_hellman_agree_ioctl = p6;
+#  endif
+#  ifndef OPENSSL_NO_RSA
+    p_UBSEC_rsa_mod_exp_ioctl = p7;
+    p_UBSEC_rsa_mod_exp_crt_ioctl = p8;
+#  endif
+#  ifndef OPENSSL_NO_DSA
+    p_UBSEC_dsa_sign_ioctl = p9;
+    p_UBSEC_dsa_verify_ioctl = p10;
+#  endif
+    p_UBSEC_math_accelerate_ioctl = p11;
+    p_UBSEC_rng_ioctl = p12;
+    p_UBSEC_max_key_len_ioctl = p13;
+
+    /* Perform an open to see if there's actually any unit running. */
+    if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0)
+        && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0)) {
+        p_UBSEC_ubsec_close(fd);
+        return 1;
+    } else {
+        UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
+    }
+
+ err:
+    if (ubsec_dso)
+        DSO_free(ubsec_dso);
+    ubsec_dso = NULL;
+    p_UBSEC_ubsec_bytes_to_bits = NULL;
+    p_UBSEC_ubsec_bits_to_bytes = NULL;
+    p_UBSEC_ubsec_open = NULL;
+    p_UBSEC_ubsec_close = NULL;
+#  ifndef OPENSSL_NO_DH
+    p_UBSEC_diffie_hellman_generate_ioctl = NULL;
+    p_UBSEC_diffie_hellman_agree_ioctl = NULL;
+#  endif
+#  ifndef OPENSSL_NO_RSA
+    p_UBSEC_rsa_mod_exp_ioctl = NULL;
+    p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
+#  endif
+#  ifndef OPENSSL_NO_DSA
+    p_UBSEC_dsa_sign_ioctl = NULL;
+    p_UBSEC_dsa_verify_ioctl = NULL;
+#  endif
+    p_UBSEC_math_accelerate_ioctl = NULL;
+    p_UBSEC_rng_ioctl = NULL;
+    p_UBSEC_max_key_len_ioctl = NULL;
+
+    return 0;
+}
 
 static int ubsec_finish(ENGINE *e)
-	{
-	free_UBSEC_LIBNAME();
-	if(ubsec_dso == NULL)
-		{
-		UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
-		return 0;
-		}
-	if(!DSO_free(ubsec_dso))
-		{
-		UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
-		return 0;
-		}
-	ubsec_dso = NULL;
-	p_UBSEC_ubsec_bytes_to_bits = NULL;
-	p_UBSEC_ubsec_bits_to_bytes = NULL;
-	p_UBSEC_ubsec_open = NULL;
-	p_UBSEC_ubsec_close = NULL;
-#ifndef OPENSSL_NO_DH
-	p_UBSEC_diffie_hellman_generate_ioctl = NULL;
-	p_UBSEC_diffie_hellman_agree_ioctl = NULL;
-#endif
-#ifndef OPENSSL_NO_RSA
-	p_UBSEC_rsa_mod_exp_ioctl = NULL;
-	p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
-#endif
-#ifndef OPENSSL_NO_DSA
-	p_UBSEC_dsa_sign_ioctl = NULL;
-	p_UBSEC_dsa_verify_ioctl = NULL;
-#endif
-	p_UBSEC_math_accelerate_ioctl = NULL;
-	p_UBSEC_rng_ioctl = NULL;
-        p_UBSEC_max_key_len_ioctl = NULL;
-	return 1;
-	}
-
-static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
-	{
-	int initialised = ((ubsec_dso == NULL) ? 0 : 1);
-	switch(cmd)
-		{
-	case UBSEC_CMD_SO_PATH:
-		if(p == NULL)
-			{
-			UBSECerr(UBSEC_F_UBSEC_CTRL,ERR_R_PASSED_NULL_PARAMETER);
-			return 0;
-			}
-		if(initialised)
-			{
-			UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_ALREADY_LOADED);
-			return 0;
-			}
-		return set_UBSEC_LIBNAME((const char *)p);
-	default:
-		break;
-		}
-	UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
-	return 0;
-	}
+{
+    free_UBSEC_LIBNAME();
+    if (ubsec_dso == NULL) {
+        UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
+        return 0;
+    }
+    if (!DSO_free(ubsec_dso)) {
+        UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
+        return 0;
+    }
+    ubsec_dso = NULL;
+    p_UBSEC_ubsec_bytes_to_bits = NULL;
+    p_UBSEC_ubsec_bits_to_bytes = NULL;
+    p_UBSEC_ubsec_open = NULL;
+    p_UBSEC_ubsec_close = NULL;
+#  ifndef OPENSSL_NO_DH
+    p_UBSEC_diffie_hellman_generate_ioctl = NULL;
+    p_UBSEC_diffie_hellman_agree_ioctl = NULL;
+#  endif
+#  ifndef OPENSSL_NO_RSA
+    p_UBSEC_rsa_mod_exp_ioctl = NULL;
+    p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
+#  endif
+#  ifndef OPENSSL_NO_DSA
+    p_UBSEC_dsa_sign_ioctl = NULL;
+    p_UBSEC_dsa_verify_ioctl = NULL;
+#  endif
+    p_UBSEC_math_accelerate_ioctl = NULL;
+    p_UBSEC_rng_ioctl = NULL;
+    p_UBSEC_max_key_len_ioctl = NULL;
+    return 1;
+}
+
+static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
+{
+    int initialised = ((ubsec_dso == NULL) ? 0 : 1);
+    switch (cmd) {
+    case UBSEC_CMD_SO_PATH:
+        if (p == NULL) {
+            UBSECerr(UBSEC_F_UBSEC_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+            return 0;
+        }
+        if (initialised) {
+            UBSECerr(UBSEC_F_UBSEC_CTRL, UBSEC_R_ALREADY_LOADED);
+            return 0;
+        }
+        return set_UBSEC_LIBNAME((const char *)p);
+    default:
+        break;
+    }
+    UBSECerr(UBSEC_F_UBSEC_CTRL, UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+    return 0;
+}
 
 static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx)
-	{
-	int 	y_len = 0;
-	int 	fd;
-
-	if(ubsec_dso == NULL)
-	{
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);
-		return 0;
-	}
-
-	/* Check if hardware can't handle this argument. */
-	y_len = BN_num_bits(m);
-	if (y_len > max_key_len) {
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
-                return BN_mod_exp(r, a, p, m, ctx);
-	} 
-
-	if(!bn_wexpand(r, m->top))
-	{
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
-		return 0;
-	}
-
-	if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
-		fd = 0;
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_UNIT_FAILURE);
-                return BN_mod_exp(r, a, p, m, ctx);
-	}
-
-	if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),
-		(unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d, 
-		BN_num_bits(p), (unsigned char *)r->d, &y_len) != 0)
-	{
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
-
-                return BN_mod_exp(r, a, p, m, ctx);
-	}
-
-	p_UBSEC_ubsec_close(fd);
-
-	r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
-	return 1;
-	}
+                         const BIGNUM *m, BN_CTX *ctx)
+{
+    int y_len = 0;
+    int fd;
+
+    if (ubsec_dso == NULL) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);
+        return 0;
+    }
+
+    /* Check if hardware can't handle this argument. */
+    y_len = BN_num_bits(m);
+    if (y_len > max_key_len) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
+        return BN_mod_exp(r, a, p, m, ctx);
+    }
+
+    if (!bn_wexpand(r, m->top)) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
+        return 0;
+    }
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        fd = 0;
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_UNIT_FAILURE);
+        return BN_mod_exp(r, a, p, m, ctx);
+    }
+
+    if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),
+                                  (unsigned char *)m->d, BN_num_bits(m),
+                                  (unsigned char *)p->d, BN_num_bits(p),
+                                  (unsigned char *)r->d, &y_len) != 0) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
+        p_UBSEC_ubsec_close(fd);
 
-#ifndef OPENSSL_NO_RSA
-static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
-	{
-	int to_return = 0;
-
-	if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
-		{
-		UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
-		goto err;
-		}
-
-	to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
-		    rsa->dmq1, rsa->iqmp, ctx);
-	if (to_return == FAIL_TO_SOFTWARE)
-	{
-	  /*
-	   * Do in software as hardware failed.
-	   */
-	   const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
-	   to_return = (*meth->rsa_mod_exp)(r0, I, rsa, ctx);
-	}
-err:
-	return to_return;
-	}
+        return BN_mod_exp(r, a, p, m, ctx);
+    }
+
+    p_UBSEC_ubsec_close(fd);
+
+    r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
+    return 1;
+}
+
+#  ifndef OPENSSL_NO_RSA
+static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
+                             BN_CTX *ctx)
+{
+    int to_return = 0;
+
+    if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
+        UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
+        goto err;
+    }
+
+    to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
+                                  rsa->dmq1, rsa->iqmp, ctx);
+    if (to_return == FAIL_TO_SOFTWARE) {
+        /*
+         * Do in software as hardware failed.
+         */
+        const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+        to_return = (*meth->rsa_mod_exp) (r0, I, rsa, ctx);
+    }
+ err:
+    return to_return;
+}
 
 static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			const BIGNUM *q, const BIGNUM *dp,
-			const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
-	{
-	int	y_len,
-		fd;
-
-	y_len = BN_num_bits(p) + BN_num_bits(q);
-
-	/* Check if hardware can't handle this argument. */
-	if (y_len > max_key_len) {
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
-		return FAIL_TO_SOFTWARE;
-	} 
-
-	if (!bn_wexpand(r, p->top + q->top + 1)) {
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
-		return 0;
-	}
-
-	if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
-		fd = 0;
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_UNIT_FAILURE);
-		return FAIL_TO_SOFTWARE;
-	}
-
-	if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
-		(unsigned char *)a->d, BN_num_bits(a), 
-		(unsigned char *)qinv->d, BN_num_bits(qinv),
-		(unsigned char *)dp->d, BN_num_bits(dp),
-		(unsigned char *)p->d, BN_num_bits(p),
-		(unsigned char *)dq->d, BN_num_bits(dq),
-		(unsigned char *)q->d, BN_num_bits(q),
-		(unsigned char *)r->d,  &y_len) != 0) {
-		UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
-		return FAIL_TO_SOFTWARE;
-	}
-
-	p_UBSEC_ubsec_close(fd);
-
-	r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1)/BN_BITS2;
-	return 1;
+                             const BIGNUM *q, const BIGNUM *dp,
+                             const BIGNUM *dq, const BIGNUM *qinv,
+                             BN_CTX *ctx)
+{
+    int y_len, fd;
+
+    y_len = BN_num_bits(p) + BN_num_bits(q);
+
+    /* Check if hardware can't handle this argument. */
+    if (y_len > max_key_len) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT,
+                 UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
+        return FAIL_TO_SOFTWARE;
+    }
+
+    if (!bn_wexpand(r, p->top + q->top + 1)) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
+        return 0;
+    }
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        fd = 0;
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_UNIT_FAILURE);
+        return FAIL_TO_SOFTWARE;
+    }
+
+    if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
+                                      (unsigned char *)a->d, BN_num_bits(a),
+                                      (unsigned char *)qinv->d,
+                                      BN_num_bits(qinv),
+                                      (unsigned char *)dp->d, BN_num_bits(dp),
+                                      (unsigned char *)p->d, BN_num_bits(p),
+                                      (unsigned char *)dq->d, BN_num_bits(dq),
+                                      (unsigned char *)q->d, BN_num_bits(q),
+                                      (unsigned char *)r->d, &y_len) != 0) {
+        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_REQUEST_FAILED);
+        p_UBSEC_ubsec_close(fd);
+        return FAIL_TO_SOFTWARE;
+    }
+
+    p_UBSEC_ubsec_close(fd);
+
+    r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1) / BN_BITS2;
+    return 1;
 }
-#endif
+#  endif
 
-#ifndef OPENSSL_NO_DSA
-#ifdef NOT_USED
+#  ifndef OPENSSL_NO_DSA
+#   ifdef NOT_USED
 static int ubsec_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 (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end;
-	/* let t = a2 ^ p2 mod m */
-	if (!ubsec_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;
-	}
+                             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 (!ubsec_mod_exp(rr, a1, p1, m, ctx))
+        goto end;
+    /* let t = a2 ^ p2 mod m */
+    if (!ubsec_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 ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
-		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-		BN_MONT_CTX *m_ctx)
-	{
-	return ubsec_mod_exp(r, a, p, m, ctx);
-	}
-#endif
-#endif
+                             const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                             BN_MONT_CTX *m_ctx)
+{
+    return ubsec_mod_exp(r, a, p, m, ctx);
+}
+#   endif
+#  endif
 
-#ifndef OPENSSL_NO_RSA
+#  ifndef OPENSSL_NO_RSA
 
 /*
  * This function is aliased to mod_exp (with the mont stuff dropped).
  */
 static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-        {
-	int ret = 0;
-
- 	/* Do in software if the key is too large for the hardware. */
-	if (BN_num_bits(m) > max_key_len)
-                {
-		const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
-		ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx);
-                }
-        else
-                {
-		ret = ubsec_mod_exp(r, a, p, m, ctx);
-                }
-	
-	return ret;
-        }
-#endif
+                              const BIGNUM *m, BN_CTX *ctx,
+                              BN_MONT_CTX *m_ctx)
+{
+    int ret = 0;
+
+    /* Do in software if the key is too large for the hardware. */
+    if (BN_num_bits(m) > max_key_len) {
+        const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+        ret = (*meth->bn_mod_exp) (r, a, p, m, ctx, m_ctx);
+    } else {
+        ret = ubsec_mod_exp(r, a, p, m, ctx);
+    }
+
+    return ret;
+}
+#  endif
 
-#ifndef OPENSSL_NO_DH
+#  ifndef OPENSSL_NO_DH
 /* This function is aliased to mod_exp (with the dh and mont dropped). */
 static int ubsec_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 ubsec_mod_exp(r, a, p, m, ctx);
-	}
-#endif
-
-#ifndef OPENSSL_NO_DSA
-static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
-	{
-	DSA_SIG *to_return = NULL;
-	int s_len = 160, r_len = 160, d_len, fd;
-	BIGNUM m, *r=NULL, *s=NULL;
-
-	BN_init(&m);
-
-	s = BN_new();
-	r = BN_new();
-	if ((s == NULL) || (r==NULL))
-		goto err;
-
-	d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen);
-
-        if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) ||
-       	   (!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) {
-		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
-		goto err;
-	}
-
-	if (BN_bin2bn(dgst,dlen,&m) == NULL) {
-		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
-		goto err;
-	} 
-
-	if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
-                const DSA_METHOD *meth;
-		fd = 0;
-		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_UNIT_FAILURE);
-                meth = DSA_OpenSSL();
-                to_return =  meth->dsa_do_sign(dgst, dlen, dsa);
-		goto err;
-	}
-
-	if (p_UBSEC_dsa_sign_ioctl(fd, 0, /* compute hash before signing */
-		(unsigned char *)dgst, d_len,
-		NULL, 0,  /* compute random value */
-		(unsigned char *)dsa->p->d, BN_num_bits(dsa->p), 
-		(unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
-		(unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
-		(unsigned char *)dsa->priv_key->d, BN_num_bits(dsa->priv_key),
-		(unsigned char *)r->d, &r_len,
-		(unsigned char *)s->d, &s_len ) != 0) {
-                const DSA_METHOD *meth;
-
-		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
-                meth = DSA_OpenSSL();
-                to_return = meth->dsa_do_sign(dgst, dlen, dsa);
-
-		goto err;
-	}
-
-	p_UBSEC_ubsec_close(fd);
-
-	r->top = (160+BN_BITS2-1)/BN_BITS2;
-	s->top = (160+BN_BITS2-1)/BN_BITS2;
-
-	to_return = DSA_SIG_new();
-	if(to_return == NULL) {
-		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
-		goto err;
-	}
-
-	to_return->r = r;
-	to_return->s = s;
-
-err:
-	if (!to_return) {
-		if (r) BN_free(r);
-		if (s) BN_free(s);
-	}                                 
-	BN_clear_free(&m);
-	return to_return;
+                            const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+                            BN_MONT_CTX *m_ctx)
+{
+    return ubsec_mod_exp(r, a, p, m, ctx);
+}
+#  endif
+
+#  ifndef OPENSSL_NO_DSA
+static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen,
+                                  DSA *dsa)
+{
+    DSA_SIG *to_return = NULL;
+    int s_len = 160, r_len = 160, d_len, fd;
+    BIGNUM m, *r = NULL, *s = NULL;
+
+    BN_init(&m);
+
+    s = BN_new();
+    r = BN_new();
+    if ((s == NULL) || (r == NULL))
+        goto err;
+
+    d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen);
+
+    if (!bn_wexpand(r, (160 + BN_BITS2 - 1) / BN_BITS2) ||
+        (!bn_wexpand(s, (160 + BN_BITS2 - 1) / BN_BITS2))) {
+        UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
+        goto err;
+    }
+
+    if (BN_bin2bn(dgst, dlen, &m) == NULL) {
+        UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
+        goto err;
+    }
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        const DSA_METHOD *meth;
+        fd = 0;
+        UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_UNIT_FAILURE);
+        meth = DSA_OpenSSL();
+        to_return = meth->dsa_do_sign(dgst, dlen, dsa);
+        goto err;
+    }
+
+    if (p_UBSEC_dsa_sign_ioctl(fd,
+                               /* compute hash before signing */
+                               0, (unsigned char *)dgst, d_len, NULL,
+                               /* compute random value */
+                               0,
+                               (unsigned char *)dsa->p->d,
+                               BN_num_bits(dsa->p),
+                               (unsigned char *)dsa->q->d,
+                               BN_num_bits(dsa->q),
+                               (unsigned char *)dsa->g->d,
+                               BN_num_bits(dsa->g),
+                               (unsigned char *)dsa->priv_key->d,
+                               BN_num_bits(dsa->priv_key),
+                               (unsigned char *)r->d, &r_len,
+                               (unsigned char *)s->d, &s_len) != 0) {
+        const DSA_METHOD *meth;
+
+        UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_REQUEST_FAILED);
+        p_UBSEC_ubsec_close(fd);
+        meth = DSA_OpenSSL();
+        to_return = meth->dsa_do_sign(dgst, dlen, dsa);
+
+        goto err;
+    }
+
+    p_UBSEC_ubsec_close(fd);
+
+    r->top = (160 + BN_BITS2 - 1) / BN_BITS2;
+    s->top = (160 + BN_BITS2 - 1) / BN_BITS2;
+
+    to_return = DSA_SIG_new();
+    if (to_return == NULL) {
+        UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
+        goto err;
+    }
+
+    to_return->r = r;
+    to_return->s = s;
+
+ err:
+    if (!to_return) {
+        if (r)
+            BN_free(r);
+        if (s)
+            BN_free(s);
+    }
+    BN_clear_free(&m);
+    return to_return;
 }
 
 static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
-                                DSA_SIG *sig, DSA *dsa)
-	{
-	int v_len, d_len;
-	int to_return = 0;
-	int fd;
-	BIGNUM v, *pv = &v;
-
-	BN_init(&v);
-
-	if(!bn_wexpand(pv, dsa->p->top)) {
-		UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_BN_EXPAND_FAIL);
-		goto err;
-	}
-
-	v_len = BN_num_bits(dsa->p);
-
-	d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);
-
-	if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
-                const DSA_METHOD *meth;
-		fd = 0;
-		UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_UNIT_FAILURE);
-                meth = DSA_OpenSSL();
-                to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
-		goto err;
-	}
-
-	if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */
-		(unsigned char *)dgst, d_len,
-		(unsigned char *)dsa->p->d, BN_num_bits(dsa->p), 
-		(unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
-		(unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
-		(unsigned char *)dsa->pub_key->d, BN_num_bits(dsa->pub_key),
-		(unsigned char *)sig->r->d, BN_num_bits(sig->r),
-		(unsigned char *)sig->s->d, BN_num_bits(sig->s),
-		(unsigned char *)v.d, &v_len) != 0) {
-                const DSA_METHOD *meth;
-		UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
-
-                meth = DSA_OpenSSL();
-                to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
-
-		goto err;
-	}
-
-	p_UBSEC_ubsec_close(fd);
-
-	to_return = 1;
-err:
-	BN_clear_free(&v);
-	return to_return;
-	}
-#endif
-
-#ifndef OPENSSL_NO_DH
-static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh)
-        {
-        int      ret      = -1,
-                 k_len,
-                 fd;
-
-        k_len = BN_num_bits(dh->p);
-
-        if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
-                {
-                const DH_METHOD *meth;
-                UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_UNIT_FAILURE);
-                meth = DH_OpenSSL();
-                ret = meth->compute_key(key, pub_key, dh);
-                goto err;
-                }
-
-        if (p_UBSEC_diffie_hellman_agree_ioctl(fd,
-                                               (unsigned char *)dh->priv_key->d, BN_num_bits(dh->priv_key),
-                                               (unsigned char *)pub_key->d, BN_num_bits(pub_key),
-                                               (unsigned char *)dh->p->d, BN_num_bits(dh->p),
-                                               key, &k_len) != 0)
-                {
-                /* Hardware's a no go, failover to software */
-                const DH_METHOD *meth;
-                UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
-
-                meth = DH_OpenSSL();
-                ret = meth->compute_key(key, pub_key, dh);
+                            DSA_SIG *sig, DSA *dsa)
+{
+    int v_len, d_len;
+    int to_return = 0;
+    int fd;
+    BIGNUM v, *pv = &v;
+
+    BN_init(&v);
+
+    if (!bn_wexpand(pv, dsa->p->top)) {
+        UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_BN_EXPAND_FAIL);
+        goto err;
+    }
+
+    v_len = BN_num_bits(dsa->p);
+
+    d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        const DSA_METHOD *meth;
+        fd = 0;
+        UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_UNIT_FAILURE);
+        meth = DSA_OpenSSL();
+        to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
+        goto err;
+    }
+
+    if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */
+                                 (unsigned char *)dgst, d_len,
+                                 (unsigned char *)dsa->p->d,
+                                 BN_num_bits(dsa->p),
+                                 (unsigned char *)dsa->q->d,
+                                 BN_num_bits(dsa->q),
+                                 (unsigned char *)dsa->g->d,
+                                 BN_num_bits(dsa->g),
+                                 (unsigned char *)dsa->pub_key->d,
+                                 BN_num_bits(dsa->pub_key),
+                                 (unsigned char *)sig->r->d,
+                                 BN_num_bits(sig->r),
+                                 (unsigned char *)sig->s->d,
+                                 BN_num_bits(sig->s), (unsigned char *)v.d,
+                                 &v_len) != 0) {
+        const DSA_METHOD *meth;
+        UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_REQUEST_FAILED);
+        p_UBSEC_ubsec_close(fd);
 
-                goto err;
-                }
+        meth = DSA_OpenSSL();
+        to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 
-        p_UBSEC_ubsec_close(fd);
+        goto err;
+    }
 
-        ret = p_UBSEC_ubsec_bits_to_bytes(k_len);
-err:
-        return ret;
-        }
+    p_UBSEC_ubsec_close(fd);
 
-static int ubsec_dh_generate_key(DH *dh)
-        {
-        int      ret               = 0,
-                 random_bits       = 0,
-                 pub_key_len       = 0,
-                 priv_key_len      = 0,
-                 fd;
-        BIGNUM   *pub_key          = NULL;
-        BIGNUM   *priv_key         = NULL;
-
-        /* 
-         *  How many bits should Random x be? dh_key.c
-         *  sets the range from 0 to num_bits(modulus) ???
-         */
+    to_return = 1;
+ err:
+    BN_clear_free(&v);
+    return to_return;
+}
+#  endif
+
+#  ifndef OPENSSL_NO_DH
+static int ubsec_dh_compute_key(unsigned char *key, const BIGNUM *pub_key,
+                                DH *dh)
+{
+    int ret = -1, k_len, fd;
+
+    k_len = BN_num_bits(dh->p);
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        const DH_METHOD *meth;
+        UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_UNIT_FAILURE);
+        meth = DH_OpenSSL();
+        ret = meth->compute_key(key, pub_key, dh);
+        goto err;
+    }
+
+    if (p_UBSEC_diffie_hellman_agree_ioctl(fd,
+                                           (unsigned char *)dh->priv_key->d,
+                                           BN_num_bits(dh->priv_key),
+                                           (unsigned char *)pub_key->d,
+                                           BN_num_bits(pub_key),
+                                           (unsigned char *)dh->p->d,
+                                           BN_num_bits(dh->p), key,
+                                           &k_len) != 0) {
+        /* Hardware's a no go, failover to software */
+        const DH_METHOD *meth;
+        UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
+        p_UBSEC_ubsec_close(fd);
 
-        if (dh->priv_key == NULL)
-                {
-                priv_key = BN_new();
-                if (priv_key == NULL) goto err;
-                priv_key_len = BN_num_bits(dh->p);
-                if(bn_wexpand(priv_key, dh->p->top) == NULL) goto err;
-                do
-                        if (!BN_rand_range(priv_key, dh->p)) goto err;
-                while (BN_is_zero(priv_key));
-                random_bits = BN_num_bits(priv_key);
-                }
-        else
-                {
-                priv_key = dh->priv_key;
-                }
-
-        if (dh->pub_key == NULL)
-                {
-                pub_key = BN_new();
-                pub_key_len = BN_num_bits(dh->p);
-                if(bn_wexpand(pub_key, dh->p->top) == NULL) goto err;
-                if(pub_key == NULL) goto err;
-                }
-        else
-                {
-                pub_key = dh->pub_key;
-                }
-
-        if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
-                {
-                const DH_METHOD *meth;
-                UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_UNIT_FAILURE);
-                meth = DH_OpenSSL();
-                ret = meth->generate_key(dh);
-                goto err;
-                }
+        meth = DH_OpenSSL();
+        ret = meth->compute_key(key, pub_key, dh);
 
-        if (p_UBSEC_diffie_hellman_generate_ioctl(fd,
-                                                  (unsigned char *)priv_key->d, &priv_key_len,
-                                                  (unsigned char *)pub_key->d,  &pub_key_len,
-                                                  (unsigned char *)dh->g->d, BN_num_bits(dh->g),
-                                                  (unsigned char *)dh->p->d, BN_num_bits(dh->p),
-                                                  0, 0, random_bits) != 0)
-                {
-                /* Hardware's a no go, failover to software */
-                const DH_METHOD *meth;
+        goto err;
+    }
 
-                UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
+    p_UBSEC_ubsec_close(fd);
 
-                meth = DH_OpenSSL();
-                ret = meth->generate_key(dh);
+    ret = p_UBSEC_ubsec_bits_to_bytes(k_len);
+ err:
+    return ret;
+}
 
+static int ubsec_dh_generate_key(DH *dh)
+{
+    int ret = 0, random_bits = 0, pub_key_len = 0, priv_key_len = 0, fd;
+    BIGNUM *pub_key = NULL;
+    BIGNUM *priv_key = NULL;
+
+    /*
+     *  How many bits should Random x be? dh_key.c
+     *  sets the range from 0 to num_bits(modulus) ???
+     */
+
+    if (dh->priv_key == NULL) {
+        priv_key = BN_new();
+        if (priv_key == NULL)
+            goto err;
+        priv_key_len = BN_num_bits(dh->p);
+        if (bn_wexpand(priv_key, dh->p->top) == NULL)
+            goto err;
+        do
+            if (!BN_rand_range(priv_key, dh->p))
                 goto err;
-                }
-
+        while (BN_is_zero(priv_key)) ;
+        random_bits = BN_num_bits(priv_key);
+    } else {
+        priv_key = dh->priv_key;
+    }
+
+    if (dh->pub_key == NULL) {
+        pub_key = BN_new();
+        pub_key_len = BN_num_bits(dh->p);
+        if (bn_wexpand(pub_key, dh->p->top) == NULL)
+            goto err;
+        if (pub_key == NULL)
+            goto err;
+    } else {
+        pub_key = dh->pub_key;
+    }
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        const DH_METHOD *meth;
+        UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_UNIT_FAILURE);
+        meth = DH_OpenSSL();
+        ret = meth->generate_key(dh);
+        goto err;
+    }
+
+    if (p_UBSEC_diffie_hellman_generate_ioctl(fd,
+                                              (unsigned char *)priv_key->d,
+                                              &priv_key_len,
+                                              (unsigned char *)pub_key->d,
+                                              &pub_key_len,
+                                              (unsigned char *)dh->g->d,
+                                              BN_num_bits(dh->g),
+                                              (unsigned char *)dh->p->d,
+                                              BN_num_bits(dh->p), 0, 0,
+                                              random_bits) != 0) {
+        /* Hardware's a no go, failover to software */
+        const DH_METHOD *meth;
+
+        UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_REQUEST_FAILED);
         p_UBSEC_ubsec_close(fd);
 
-        dh->pub_key = pub_key;
-        dh->pub_key->top = (pub_key_len + BN_BITS2-1) / BN_BITS2;
-        dh->priv_key = priv_key;
-        dh->priv_key->top = (priv_key_len + BN_BITS2-1) / BN_BITS2;
-
-        ret = 1;
-err:
-        return ret;
-        }
-#endif
-
-#ifdef NOT_USED
-static int ubsec_rand_bytes(unsigned char * buf,
-                            int num)
-        {
-        int      ret      = 0,
-                 fd;
-
-        if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
-                {
-                const RAND_METHOD *meth;
-                UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_UNIT_FAILURE);
-                num = p_UBSEC_ubsec_bits_to_bytes(num);
-                meth = RAND_SSLeay();
-                meth->seed(buf, num);
-                ret = meth->bytes(buf, num);
-                goto err;
-                }
+        meth = DH_OpenSSL();
+        ret = meth->generate_key(dh);
 
-        num *= 8; /* bytes to bits */
+        goto err;
+    }
 
-        if (p_UBSEC_rng_ioctl(fd,
-                              UBSEC_RNG_DIRECT,
-                              buf,
-                              &num) != 0)
-                {
-                /* Hardware's a no go, failover to software */
-                const RAND_METHOD *meth;
+    p_UBSEC_ubsec_close(fd);
 
-                UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_REQUEST_FAILED);
-                p_UBSEC_ubsec_close(fd);
+    dh->pub_key = pub_key;
+    dh->pub_key->top = (pub_key_len + BN_BITS2 - 1) / BN_BITS2;
+    dh->priv_key = priv_key;
+    dh->priv_key->top = (priv_key_len + BN_BITS2 - 1) / BN_BITS2;
 
-                num = p_UBSEC_ubsec_bits_to_bytes(num);
-                meth = RAND_SSLeay();
-                meth->seed(buf, num);
-                ret = meth->bytes(buf, num);
+    ret = 1;
+ err:
+    return ret;
+}
+#  endif
+
+#  ifdef NOT_USED
+static int ubsec_rand_bytes(unsigned char *buf, int num)
+{
+    int ret = 0, fd;
+
+    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
+        const RAND_METHOD *meth;
+        UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_UNIT_FAILURE);
+        num = p_UBSEC_ubsec_bits_to_bytes(num);
+        meth = RAND_SSLeay();
+        meth->seed(buf, num);
+        ret = meth->bytes(buf, num);
+        goto err;
+    }
+
+    num *= 8;                   /* bytes to bits */
+
+    if (p_UBSEC_rng_ioctl(fd, UBSEC_RNG_DIRECT, buf, &num) != 0) {
+        /* Hardware's a no go, failover to software */
+        const RAND_METHOD *meth;
+
+        UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_REQUEST_FAILED);
+        p_UBSEC_ubsec_close(fd);
 
-                goto err;
-                }
+        num = p_UBSEC_ubsec_bits_to_bytes(num);
+        meth = RAND_SSLeay();
+        meth->seed(buf, num);
+        ret = meth->bytes(buf, num);
 
-        p_UBSEC_ubsec_close(fd);
+        goto err;
+    }
 
-        ret = 1;
-err:
-        return(ret);
-        }
+    p_UBSEC_ubsec_close(fd);
 
+    ret = 1;
+ err:
+    return (ret);
+}
 
 static int ubsec_rand_status(void)
-	{
-	return 0;
-	}
-#endif
+{
+    return 0;
+}
+#  endif
 
-/* This stuff is needed if this ENGINE is being compiled into a self-contained
- * shared-library. */
-#ifndef OPENSSL_NO_DYNAMIC_ENGINE
+/*
+ * This stuff is needed if this ENGINE is being compiled into a
+ * self-contained shared-library.
+ */
+#  ifndef OPENSSL_NO_DYNAMIC_ENGINE
 static int bind_fn(ENGINE *e, const char *id)
-	{
-	if(id && (strcmp(id, engine_ubsec_id) != 0))
-		return 0;
-	if(!bind_helper(e))
-		return 0;
-	return 1;
-	}
-IMPLEMENT_DYNAMIC_CHECK_FN()
-IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
-#endif /* OPENSSL_NO_DYNAMIC_ENGINE */
+{
+    if (id && (strcmp(id, engine_ubsec_id) != 0))
+        return 0;
+    if (!bind_helper(e))
+        return 0;
+    return 1;
+}
 
-#endif /* !OPENSSL_NO_HW_UBSEC */
-#endif /* !OPENSSL_NO_HW */
+IMPLEMENT_DYNAMIC_CHECK_FN()
+    IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+#  endif                        /* OPENSSL_NO_DYNAMIC_ENGINE */
+# endif                         /* !OPENSSL_NO_HW_UBSEC */
+#endif                          /* !OPENSSL_NO_HW */