Replace hacked OpenSSL code with OpenSSL 0.9.8e distribution.

svn path=/openssl/Makefile; revision=659

1 files changed, 0 insertions, 1374 deletions

diff --git a/openssl/trunk/engines/e_chil.c b/openssl/trunk/engines/e_chil.c
deleted file mode 100644
index 26108caa..00000000
--- a/openssl/trunk/engines/e_chil.c
+++ /dev/null
@@ -1,1374 +0,0 @@
-/* crypto/engine/e_chil.c -*- mode: C; c-file-style: "eay" -*- */
-/* Written by Richard Levitte (richard@levitte.org), Geoff Thorpe
- * (geoff@geoffthorpe.net) and Dr Stephen N Henson (shenson@bigfoot.com)
- * for the OpenSSL project 2000.
- */
-/* ====================================================================
- * Copyright (c) 1999-2001 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).
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <openssl/crypto.h>
-#include <openssl/pem.h>
-#include <openssl/dso.h>
-#include <openssl/engine.h>
-#include <openssl/ui.h>
-#include <openssl/rand.h>
-#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
-#endif
-#include <openssl/bn.h>
-
-#ifndef OPENSSL_NO_HW
-#ifndef OPENSSL_NO_HW_CHIL
-
-/* Attribution notice: nCipher have said several times that it's OK for
- * us to implement a general interface to their boxes, and recently declared
- * their HWCryptoHook to be public, and therefore available for us to use.
- * Thanks, nCipher.
- *
- * The hwcryptohook.h included here is from May 2000.
- * [Richard Levitte]
- */
-#ifdef FLAT_INC
-#include "hwcryptohook.h"
-#else
-#include "vendor_defns/hwcryptohook.h"
-#endif
-
-#define HWCRHK_LIB_NAME "CHIL engine"
-#include "e_chil_err.c"
-
-static int hwcrhk_destroy(ENGINE *e);
-static int hwcrhk_init(ENGINE *e);
-static int hwcrhk_finish(ENGINE *e);
-static int hwcrhk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)); 
-
-/* Functions to handle mutexes */
-static int hwcrhk_mutex_init(HWCryptoHook_Mutex*, HWCryptoHook_CallerContext*);
-static int hwcrhk_mutex_lock(HWCryptoHook_Mutex*);
-static void hwcrhk_mutex_unlock(HWCryptoHook_Mutex*);
-static void hwcrhk_mutex_destroy(HWCryptoHook_Mutex*);
-
-/* BIGNUM stuff */
-static int hwcrhk_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx);
-
-#ifndef OPENSSL_NO_RSA
-/* RSA stuff */
-static int hwcrhk_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
-#endif
-#ifndef OPENSSL_NO_RSA
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int hwcrhk_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_DH
-/* DH stuff */
-/* This function is alised to mod_exp (with the DH and mont dropped). */
-static int hwcrhk_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 hwcrhk_rand_bytes(unsigned char *buf, int num);
-static int hwcrhk_rand_status(void);
-
-/* KM stuff */
-static EVP_PKEY *hwcrhk_load_privkey(ENGINE *eng, const char *key_id,
-	UI_METHOD *ui_method, void *callback_data);
-static EVP_PKEY *hwcrhk_load_pubkey(ENGINE *eng, const char *key_id,
-	UI_METHOD *ui_method, void *callback_data);
-#ifndef OPENSSL_NO_RSA
-static void hwcrhk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
-	int ind,long argl, void *argp);
-#endif
-
-/* Interaction stuff */
-static int hwcrhk_insert_card(const char *prompt_info,
-	const char *wrong_info,
-	HWCryptoHook_PassphraseContext *ppctx,
-	HWCryptoHook_CallerContext *cactx);
-static int hwcrhk_get_pass(const char *prompt_info,
-	int *len_io, char *buf,
-	HWCryptoHook_PassphraseContext *ppctx,
-	HWCryptoHook_CallerContext *cactx);
-static void hwcrhk_log_message(void *logstr, const char *message);
-
-/* The definitions for control commands specific to this engine */
-#define HWCRHK_CMD_SO_PATH		ENGINE_CMD_BASE
-#define HWCRHK_CMD_FORK_CHECK		(ENGINE_CMD_BASE + 1)
-#define HWCRHK_CMD_THREAD_LOCKING	(ENGINE_CMD_BASE + 2)
-#define HWCRHK_CMD_SET_USER_INTERFACE   (ENGINE_CMD_BASE + 3)
-#define HWCRHK_CMD_SET_CALLBACK_DATA    (ENGINE_CMD_BASE + 4)
-static const ENGINE_CMD_DEFN hwcrhk_cmd_defns[] = {
-	{HWCRHK_CMD_SO_PATH,
-		"SO_PATH",
-		"Specifies the path to the 'hwcrhk' shared library",
-		ENGINE_CMD_FLAG_STRING},
-	{HWCRHK_CMD_FORK_CHECK,
-		"FORK_CHECK",
-		"Turns fork() checking on or off (boolean)",
-		ENGINE_CMD_FLAG_NUMERIC},
-	{HWCRHK_CMD_THREAD_LOCKING,
-		"THREAD_LOCKING",
-		"Turns thread-safe locking on or off (boolean)",
-		ENGINE_CMD_FLAG_NUMERIC},
-	{HWCRHK_CMD_SET_USER_INTERFACE,
-		"SET_USER_INTERFACE",
-		"Set the global user interface (internal)",
-		ENGINE_CMD_FLAG_INTERNAL},
-	{HWCRHK_CMD_SET_CALLBACK_DATA,
-		"SET_CALLBACK_DATA",
-		"Set the global user interface extra data (internal)",
-		ENGINE_CMD_FLAG_INTERNAL},
-	{0, NULL, NULL, 0}
-	};
-
-#ifndef OPENSSL_NO_RSA
-/* Our internal RSA_METHOD that we provide pointers to */
-static RSA_METHOD hwcrhk_rsa =
-	{
-	"CHIL RSA method",
-	NULL,
-	NULL,
-	NULL,
-	NULL,
-	hwcrhk_rsa_mod_exp,
-	hwcrhk_mod_exp_mont,
-	NULL,
-	NULL,
-	0,
-	NULL,
-	NULL,
-	NULL,
-	NULL
-	};
-#endif
-
-#ifndef OPENSSL_NO_DH
-/* Our internal DH_METHOD that we provide pointers to */
-static DH_METHOD hwcrhk_dh =
-	{
-	"CHIL DH method",
-	NULL,
-	NULL,
-	hwcrhk_mod_exp_dh,
-	NULL,
-	NULL,
-	0,
-	NULL,
-	NULL
-	};
-#endif
-
-static RAND_METHOD hwcrhk_rand =
-	{
-	/* "CHIL RAND method", */
-	NULL,
-	hwcrhk_rand_bytes,
-	NULL,
-	NULL,
-	hwcrhk_rand_bytes,
-	hwcrhk_rand_status,
-	};
-
-/* Constants used when creating the ENGINE */
-static const char *engine_hwcrhk_id = "chil";
-static const char *engine_hwcrhk_name = "CHIL hardware engine support";
-
-#ifndef OPENSSL_NO_DYNAMIC_ENGINE 
-/* Compatibility hack, the dynamic library uses this form in the path */
-static const char *engine_hwcrhk_id_alt = "ncipher";
-#endif
-
-/* Internal stuff for HWCryptoHook */
-
-/* Some structures needed for proper use of thread locks */
-/* hwcryptohook.h has some typedefs that turn struct HWCryptoHook_MutexValue
-   into HWCryptoHook_Mutex */
-struct HWCryptoHook_MutexValue
-	{
-	int lockid;
-	};
-
-/* hwcryptohook.h has some typedefs that turn
-   struct HWCryptoHook_PassphraseContextValue
-   into HWCryptoHook_PassphraseContext */
-struct HWCryptoHook_PassphraseContextValue
-	{
-        UI_METHOD *ui_method;
-	void *callback_data;
-	};
-
-/* hwcryptohook.h has some typedefs that turn
-   struct HWCryptoHook_CallerContextValue
-   into HWCryptoHook_CallerContext */
-struct HWCryptoHook_CallerContextValue
-	{
-	pem_password_cb *password_callback; /* Deprecated!  Only present for
-                                               backward compatibility! */
-        UI_METHOD *ui_method;
-	void *callback_data;
-	};
-
-/* The MPI structure in HWCryptoHook is pretty compatible with OpenSSL
-   BIGNUM's, so lets define a couple of conversion macros */
-#define BN2MPI(mp, bn) \
-    {mp.size = bn->top * sizeof(BN_ULONG); mp.buf = (unsigned char *)bn->d;}
-#define MPI2BN(bn, mp) \
-    {mp.size = bn->dmax * sizeof(BN_ULONG); mp.buf = (unsigned char *)bn->d;}
-
-static BIO *logstream = NULL;
-static int disable_mutex_callbacks = 0;
-
-/* One might wonder why these are needed, since one can pass down at least
-   a UI_METHOD and a pointer to callback data to the key-loading functions.
-   The thing is that the ModExp and RSAImmed functions can load keys as well,
-   if the data they get is in a special, nCipher-defined format (hint: if you
-   look at the private exponent of the RSA data as a string, you'll see this
-   string: "nCipher KM tool key id", followed by some bytes, followed a key
-   identity string, followed by more bytes.  This happens when you use "embed"
-   keys instead of "hwcrhk" keys).  Unfortunately, those functions do not take
-   any passphrase or caller context, and our functions can't really take any
-   callback data either.  Still, the "insert_card" and "get_passphrase"
-   callbacks may be called down the line, and will need to know what user
-   interface callbacks to call, and having callback data from the application
-   may be a nice thing as well, so we need to keep track of that globally. */
-static HWCryptoHook_CallerContext password_context = { NULL, NULL, NULL };
-
-/* Stuff to pass to the HWCryptoHook library */
-static HWCryptoHook_InitInfo hwcrhk_globals = {
-	HWCryptoHook_InitFlags_SimpleForkCheck,	/* Flags */
-	&logstream,		/* logstream */
-	sizeof(BN_ULONG),	/* limbsize */
-	0,			/* mslimb first: false for BNs */
-	-1,			/* msbyte first: use native */
-	0,			/* Max mutexes, 0 = no small limit */
-	0,			/* Max simultaneous, 0 = default */
-
-	/* The next few are mutex stuff: we write wrapper functions
-	   around the OS mutex functions.  We initialise them to 0
-	   here, and change that to actual function pointers in hwcrhk_init()
-	   if dynamic locks are supported (that is, if the application
-	   programmer has made sure of setting up callbacks bafore starting
-	   this engine) *and* if disable_mutex_callbacks hasn't been set by
-	   a call to ENGINE_ctrl(ENGINE_CTRL_CHIL_NO_LOCKING). */
-	sizeof(HWCryptoHook_Mutex),
-	0,
-	0,
-	0,
-	0,
-
-	/* The next few are condvar stuff: we write wrapper functions
-	   round the OS functions.  Currently not implemented and not
-	   and absolute necessity even in threaded programs, therefore
-	   0'ed.  Will hopefully be implemented some day, since it
-	   enhances the efficiency of HWCryptoHook.  */
-	0, /* sizeof(HWCryptoHook_CondVar), */
-	0, /* hwcrhk_cv_init, */
-	0, /* hwcrhk_cv_wait, */
-	0, /* hwcrhk_cv_signal, */
-	0, /* hwcrhk_cv_broadcast, */
-	0, /* hwcrhk_cv_destroy, */
-
-	hwcrhk_get_pass,	/* pass phrase */
-	hwcrhk_insert_card,	/* insert a card */
-	hwcrhk_log_message	/* Log message */
-};
-
-
-/* Now, to our own code */
-
-/* This internal function is used by ENGINE_chil() 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
-	const DH_METHOD *meth2;
-#endif
-	if(!ENGINE_set_id(e, engine_hwcrhk_id) ||
-			!ENGINE_set_name(e, engine_hwcrhk_name) ||
-#ifndef OPENSSL_NO_RSA
-			!ENGINE_set_RSA(e, &hwcrhk_rsa) ||
-#endif
-#ifndef OPENSSL_NO_DH
-			!ENGINE_set_DH(e, &hwcrhk_dh) ||
-#endif
-			!ENGINE_set_RAND(e, &hwcrhk_rand) ||
-			!ENGINE_set_destroy_function(e, hwcrhk_destroy) ||
-			!ENGINE_set_init_function(e, hwcrhk_init) ||
-			!ENGINE_set_finish_function(e, hwcrhk_finish) ||
-			!ENGINE_set_ctrl_function(e, hwcrhk_ctrl) ||
-			!ENGINE_set_load_privkey_function(e, hwcrhk_load_privkey) ||
-			!ENGINE_set_load_pubkey_function(e, hwcrhk_load_pubkey) ||
-			!ENGINE_set_cmd_defns(e, hwcrhk_cmd_defns))
-		return 0;
-
-#ifndef OPENSSL_NO_RSA
-	/* We know that the "PKCS1_SSLeay()" functions hook properly
-	 * to the cswift-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();
-	hwcrhk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
-	hwcrhk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
-	hwcrhk_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
-	hwcrhk_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
-#endif
-
-#ifndef OPENSSL_NO_DH
-	/* Much the same for Diffie-Hellman */
-	meth2 = DH_OpenSSL();
-	hwcrhk_dh.generate_key = meth2->generate_key;
-	hwcrhk_dh.compute_key = meth2->compute_key;
-#endif
-
-	/* Ensure the hwcrhk error handling is set up */
-	ERR_load_HWCRHK_strings();
-	return 1;
-	}
-
-#ifdef OPENSSL_NO_DYNAMIC_ENGINE
-static ENGINE *engine_chil(void)
-	{
-	ENGINE *ret = ENGINE_new();
-	if(!ret)
-		return NULL;
-	if(!bind_helper(ret))
-		{
-		ENGINE_free(ret);
-		return NULL;
-		}
-	return ret;
-	}
-
-void ENGINE_load_chil(void)
-	{
-	/* Copied from eng_[openssl|dyn].c */
-	ENGINE *toadd = engine_chil();
-	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 HWCryptoHook 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 *hwcrhk_dso = NULL;
-static HWCryptoHook_ContextHandle hwcrhk_context = 0;
-#ifndef OPENSSL_NO_RSA
-static int hndidx_rsa = -1;    /* Index for KM handle.  Not really used yet. */
-#endif
-
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
-static HWCryptoHook_Init_t *p_hwcrhk_Init = NULL;
-static HWCryptoHook_Finish_t *p_hwcrhk_Finish = NULL;
-static HWCryptoHook_ModExp_t *p_hwcrhk_ModExp = NULL;
-#ifndef OPENSSL_NO_RSA
-static HWCryptoHook_RSA_t *p_hwcrhk_RSA = NULL;
-#endif
-static HWCryptoHook_RandomBytes_t *p_hwcrhk_RandomBytes = NULL;
-#ifndef OPENSSL_NO_RSA
-static HWCryptoHook_RSALoadKey_t *p_hwcrhk_RSALoadKey = NULL;
-static HWCryptoHook_RSAGetPublicKey_t *p_hwcrhk_RSAGetPublicKey = NULL;
-static HWCryptoHook_RSAUnloadKey_t *p_hwcrhk_RSAUnloadKey = NULL;
-#endif
-static HWCryptoHook_ModExpCRT_t *p_hwcrhk_ModExpCRT = NULL;
-
-/* Used in the DSO operations. */
-static const char *HWCRHK_LIBNAME = NULL;
-static void free_HWCRHK_LIBNAME(void)
-	{
-	if(HWCRHK_LIBNAME)
-		OPENSSL_free((void*)HWCRHK_LIBNAME);
-	HWCRHK_LIBNAME = NULL;
-	}
-static const char *get_HWCRHK_LIBNAME(void)
-	{
-	if(HWCRHK_LIBNAME)
-		return HWCRHK_LIBNAME;
-	return "nfhwcrhk";
-	}
-static long set_HWCRHK_LIBNAME(const char *name)
-	{
-	free_HWCRHK_LIBNAME();
-	return (((HWCRHK_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
-	}
-static const char *n_hwcrhk_Init = "HWCryptoHook_Init";
-static const char *n_hwcrhk_Finish = "HWCryptoHook_Finish";
-static const char *n_hwcrhk_ModExp = "HWCryptoHook_ModExp";
-#ifndef OPENSSL_NO_RSA
-static const char *n_hwcrhk_RSA = "HWCryptoHook_RSA";
-#endif
-static const char *n_hwcrhk_RandomBytes = "HWCryptoHook_RandomBytes";
-#ifndef OPENSSL_NO_RSA
-static const char *n_hwcrhk_RSALoadKey = "HWCryptoHook_RSALoadKey";
-static const char *n_hwcrhk_RSAGetPublicKey = "HWCryptoHook_RSAGetPublicKey";
-static const char *n_hwcrhk_RSAUnloadKey = "HWCryptoHook_RSAUnloadKey";
-#endif
-static const char *n_hwcrhk_ModExpCRT = "HWCryptoHook_ModExpCRT";
-
-/* HWCryptoHook library functions and mechanics - these are used by the
- * higher-level functions further down. NB: As and where there's no
- * error checking, take a look lower down where these functions are
- * called, the checking and error handling is probably down there. */
-
-/* utility function to obtain a context */
-static int get_context(HWCryptoHook_ContextHandle *hac,
-        HWCryptoHook_CallerContext *cac)
-	{
-	char tempbuf[1024];
-	HWCryptoHook_ErrMsgBuf rmsg;
-
-	rmsg.buf = tempbuf;
-	rmsg.size = sizeof(tempbuf);
-
-        *hac = p_hwcrhk_Init(&hwcrhk_globals, sizeof(hwcrhk_globals), &rmsg,
-		cac);
-	if (!*hac)
-                return 0;
-        return 1;
-	}
- 
-/* similarly to release one. */
-static void release_context(HWCryptoHook_ContextHandle hac)
-	{
-	p_hwcrhk_Finish(hac);
-	}
-
-/* Destructor (complements the "ENGINE_chil()" constructor) */
-static int hwcrhk_destroy(ENGINE *e)
-	{
-	free_HWCRHK_LIBNAME();
-	ERR_unload_HWCRHK_strings();
-	return 1;
-	}
-
-/* (de)initialisation functions. */
-static int hwcrhk_init(ENGINE *e)
-	{
-	HWCryptoHook_Init_t *p1;
-	HWCryptoHook_Finish_t *p2;
-	HWCryptoHook_ModExp_t *p3;
-#ifndef OPENSSL_NO_RSA
-	HWCryptoHook_RSA_t *p4;
-	HWCryptoHook_RSALoadKey_t *p5;
-	HWCryptoHook_RSAGetPublicKey_t *p6;
-	HWCryptoHook_RSAUnloadKey_t *p7;
-#endif
-	HWCryptoHook_RandomBytes_t *p8;
-	HWCryptoHook_ModExpCRT_t *p9;
-
-	if(hwcrhk_dso != NULL)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_ALREADY_LOADED);
-		goto err;
-		}
-	/* Attempt to load libnfhwcrhk.so/nfhwcrhk.dll/whatever. */
-	hwcrhk_dso = DSO_load(NULL, get_HWCRHK_LIBNAME(), NULL, 0);
-	if(hwcrhk_dso == NULL)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_DSO_FAILURE);
-		goto err;
-		}
-	if(!(p1 = (HWCryptoHook_Init_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_Init)) ||
-		!(p2 = (HWCryptoHook_Finish_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_Finish)) ||
-		!(p3 = (HWCryptoHook_ModExp_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_ModExp)) ||
-#ifndef OPENSSL_NO_RSA
-		!(p4 = (HWCryptoHook_RSA_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSA)) ||
-		!(p5 = (HWCryptoHook_RSALoadKey_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSALoadKey)) ||
-		!(p6 = (HWCryptoHook_RSAGetPublicKey_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSAGetPublicKey)) ||
-		!(p7 = (HWCryptoHook_RSAUnloadKey_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSAUnloadKey)) ||
-#endif
-		!(p8 = (HWCryptoHook_RandomBytes_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_RandomBytes)) ||
-		!(p9 = (HWCryptoHook_ModExpCRT_t *)
-			DSO_bind_func(hwcrhk_dso, n_hwcrhk_ModExpCRT)))
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_DSO_FAILURE);
-		goto err;
-		}
-	/* Copy the pointers */
-	p_hwcrhk_Init = p1;
-	p_hwcrhk_Finish = p2;
-	p_hwcrhk_ModExp = p3;
-#ifndef OPENSSL_NO_RSA
-	p_hwcrhk_RSA = p4;
-	p_hwcrhk_RSALoadKey = p5;
-	p_hwcrhk_RSAGetPublicKey = p6;
-	p_hwcrhk_RSAUnloadKey = p7;
-#endif
-	p_hwcrhk_RandomBytes = p8;
-	p_hwcrhk_ModExpCRT = p9;
-
-	/* Check if the application decided to support dynamic locks,
-	   and if it does, use them. */
-	if (disable_mutex_callbacks == 0)
-		{
-		if (CRYPTO_get_dynlock_create_callback() != NULL &&
-			CRYPTO_get_dynlock_lock_callback() != NULL &&
-			CRYPTO_get_dynlock_destroy_callback() != NULL)
-			{
-			hwcrhk_globals.mutex_init = hwcrhk_mutex_init;
-			hwcrhk_globals.mutex_acquire = hwcrhk_mutex_lock;
-			hwcrhk_globals.mutex_release = hwcrhk_mutex_unlock;
-			hwcrhk_globals.mutex_destroy = hwcrhk_mutex_destroy;
-			}
-		else if (CRYPTO_get_locking_callback() != NULL)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_LOCKING_MISSING);
-			ERR_add_error_data(1,"You HAVE to add dynamic locking callbacks via CRYPTO_set_dynlock_{create,lock,destroy}_callback()");
-			goto err;
-			}
-		}
-
-	/* Try and get a context - if not, we may have a DSO but no
-	 * accelerator! */
-	if(!get_context(&hwcrhk_context, &password_context))
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_UNIT_FAILURE);
-		goto err;
-		}
-	/* Everything's fine. */
-#ifndef OPENSSL_NO_RSA
-	if (hndidx_rsa == -1)
-		hndidx_rsa = RSA_get_ex_new_index(0,
-			"nFast HWCryptoHook RSA key handle",
-			NULL, NULL, hwcrhk_ex_free);
-#endif
-	return 1;
-err:
-	if(hwcrhk_dso)
-		DSO_free(hwcrhk_dso);
-	hwcrhk_dso = NULL;
-	p_hwcrhk_Init = NULL;
-	p_hwcrhk_Finish = NULL;
-	p_hwcrhk_ModExp = NULL;
-#ifndef OPENSSL_NO_RSA
-	p_hwcrhk_RSA = NULL;
-	p_hwcrhk_RSALoadKey = NULL;
-	p_hwcrhk_RSAGetPublicKey = NULL;
-	p_hwcrhk_RSAUnloadKey = NULL;
-#endif
-	p_hwcrhk_ModExpCRT = NULL;
-	p_hwcrhk_RandomBytes = NULL;
-	return 0;
-	}
-
-static int hwcrhk_finish(ENGINE *e)
-	{
-	int to_return = 1;
-	free_HWCRHK_LIBNAME();
-	if(hwcrhk_dso == NULL)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_FINISH,HWCRHK_R_NOT_LOADED);
-		to_return = 0;
-		goto err;
-		}
-	release_context(hwcrhk_context);
-	if(!DSO_free(hwcrhk_dso))
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_FINISH,HWCRHK_R_DSO_FAILURE);
-		to_return = 0;
-		goto err;
-		}
- err:
-	if (logstream)
-		BIO_free(logstream);
-	hwcrhk_dso = NULL;
-	p_hwcrhk_Init = NULL;
-	p_hwcrhk_Finish = NULL;
-	p_hwcrhk_ModExp = NULL;
-#ifndef OPENSSL_NO_RSA
-	p_hwcrhk_RSA = NULL;
-	p_hwcrhk_RSALoadKey = NULL;
-	p_hwcrhk_RSAGetPublicKey = NULL;
-	p_hwcrhk_RSAUnloadKey = NULL;
-#endif
-	p_hwcrhk_ModExpCRT = NULL;
-	p_hwcrhk_RandomBytes = NULL;
-	return to_return;
-	}
-
-static int hwcrhk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
-	{
-	int to_return = 1;
-
-	switch(cmd)
-		{
-	case HWCRHK_CMD_SO_PATH:
-		if(hwcrhk_dso)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,HWCRHK_R_ALREADY_LOADED);
-			return 0;
-			}
-		if(p == NULL)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,ERR_R_PASSED_NULL_PARAMETER);
-			return 0;
-			}
-		return set_HWCRHK_LIBNAME((const char *)p);
-	case ENGINE_CTRL_SET_LOGSTREAM:
-		{
-		BIO *bio = (BIO *)p;
-
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		if (logstream)
-			{
-			BIO_free(logstream);
-			logstream = NULL;
-			}
-		if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
-			logstream = bio;
-		else
-			HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,HWCRHK_R_BIO_WAS_FREED);
-		}
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-	case ENGINE_CTRL_SET_PASSWORD_CALLBACK:
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		password_context.password_callback = (pem_password_cb *)f;
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-	case ENGINE_CTRL_SET_USER_INTERFACE:
-	case HWCRHK_CMD_SET_USER_INTERFACE:
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		password_context.ui_method = (UI_METHOD *)p;
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-	case ENGINE_CTRL_SET_CALLBACK_DATA:
-	case HWCRHK_CMD_SET_CALLBACK_DATA:
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		password_context.callback_data = p;
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-	/* this enables or disables the "SimpleForkCheck" flag used in the
-	 * initialisation structure. */
-	case ENGINE_CTRL_CHIL_SET_FORKCHECK:
-	case HWCRHK_CMD_FORK_CHECK:
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		if(i)
-			hwcrhk_globals.flags |=
-				HWCryptoHook_InitFlags_SimpleForkCheck;
-		else
-			hwcrhk_globals.flags &=
-				~HWCryptoHook_InitFlags_SimpleForkCheck;
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-	/* This will prevent the initialisation function from "installing"
-	 * the mutex-handling callbacks, even if they are available from
-	 * within the library (or were provided to the library from the
-	 * calling application). This is to remove any baggage for
-	 * applications not using multithreading. */
-	case ENGINE_CTRL_CHIL_NO_LOCKING:
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		disable_mutex_callbacks = 1;
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-	case HWCRHK_CMD_THREAD_LOCKING:
-		CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
-		disable_mutex_callbacks = ((i == 0) ? 0 : 1);
-		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
-		break;
-
-	/* The command isn't understood by this engine */
-	default:
-		HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,
-			HWCRHK_R_CTRL_COMMAND_NOT_IMPLEMENTED);
-		to_return = 0;
-		break;
-		}
-
-	return to_return;
-	}
-
-static EVP_PKEY *hwcrhk_load_privkey(ENGINE *eng, const char *key_id,
-	UI_METHOD *ui_method, void *callback_data)
-	{
-#ifndef OPENSSL_NO_RSA
-	RSA *rtmp = NULL;
-#endif
-	EVP_PKEY *res = NULL;
-#ifndef OPENSSL_NO_RSA
-	HWCryptoHook_MPI e, n;
-	HWCryptoHook_RSAKeyHandle *hptr;
-#endif
-#if !defined(OPENSSL_NO_RSA)
-	char tempbuf[1024];
-	HWCryptoHook_ErrMsgBuf rmsg;
-	HWCryptoHook_PassphraseContext ppctx;
-#endif
-
-#if !defined(OPENSSL_NO_RSA)
-	rmsg.buf = tempbuf;
-	rmsg.size = sizeof(tempbuf);
-#endif
-
-	if(!hwcrhk_context)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
-			HWCRHK_R_NOT_INITIALISED);
-		goto err;
-		}
-#ifndef OPENSSL_NO_RSA
-	hptr = OPENSSL_malloc(sizeof(HWCryptoHook_RSAKeyHandle));
-	if (!hptr)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
-			ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-        ppctx.ui_method = ui_method;
-	ppctx.callback_data = callback_data;
-	if (p_hwcrhk_RSALoadKey(hwcrhk_context, key_id, hptr,
-		&rmsg, &ppctx))
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
-			HWCRHK_R_CHIL_ERROR);
-		ERR_add_error_data(1,rmsg.buf);
-		goto err;
-		}
-	if (!*hptr)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
-			HWCRHK_R_NO_KEY);
-		goto err;
-		}
-#endif
-#ifndef OPENSSL_NO_RSA
-	rtmp = RSA_new_method(eng);
-	RSA_set_ex_data(rtmp, hndidx_rsa, (char *)hptr);
-	rtmp->e = BN_new();
-	rtmp->n = BN_new();
-	rtmp->flags |= RSA_FLAG_EXT_PKEY;
-	MPI2BN(rtmp->e, e);
-	MPI2BN(rtmp->n, n);
-	if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg)
-		!= HWCRYPTOHOOK_ERROR_MPISIZE)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,HWCRHK_R_CHIL_ERROR);
-		ERR_add_error_data(1,rmsg.buf);
-		goto err;
-		}
-
-	bn_expand2(rtmp->e, e.size/sizeof(BN_ULONG));
-	bn_expand2(rtmp->n, n.size/sizeof(BN_ULONG));
-	MPI2BN(rtmp->e, e);
-	MPI2BN(rtmp->n, n);
-
-	if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg))
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
-			HWCRHK_R_CHIL_ERROR);
-		ERR_add_error_data(1,rmsg.buf);
-		goto err;
-		}
-	rtmp->e->top = e.size / sizeof(BN_ULONG);
-	bn_fix_top(rtmp->e);
-	rtmp->n->top = n.size / sizeof(BN_ULONG);
-	bn_fix_top(rtmp->n);
-
-	res = EVP_PKEY_new();
-	EVP_PKEY_assign_RSA(res, rtmp);
-#endif
-
-        if (!res)
-                HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
-                        HWCRHK_R_PRIVATE_KEY_ALGORITHMS_DISABLED);
-
-	return res;
- err:
-	if (res)
-		EVP_PKEY_free(res);
-#ifndef OPENSSL_NO_RSA
-	if (rtmp)
-		RSA_free(rtmp);
-#endif
-	return NULL;
-	}
-
-static EVP_PKEY *hwcrhk_load_pubkey(ENGINE *eng, const char *key_id,
-	UI_METHOD *ui_method, void *callback_data)
-	{
-	EVP_PKEY *res = NULL;
-
-#ifndef OPENSSL_NO_RSA
-        res = hwcrhk_load_privkey(eng, key_id,
-                ui_method, callback_data);
-#endif
-
-	if (res)
-		switch(res->type)
-			{
-#ifndef OPENSSL_NO_RSA
-		case EVP_PKEY_RSA:
-			{
-			RSA *rsa = NULL;
-
-			CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY);
-			rsa = res->pkey.rsa;
-			res->pkey.rsa = RSA_new();
-			res->pkey.rsa->n = rsa->n;
-			res->pkey.rsa->e = rsa->e;
-			rsa->n = NULL;
-			rsa->e = NULL;
-			CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);
-			RSA_free(rsa);
-			}
-			break;
-#endif
-		default:
-			HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,
-				HWCRHK_R_CTRL_COMMAND_NOT_IMPLEMENTED);
-			goto err;
-			}
-
-	return res;
- err:
-	if (res)
-		EVP_PKEY_free(res);
-	return NULL;
-	}
-
-/* A little mod_exp */
-static int hwcrhk_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			const BIGNUM *m, BN_CTX *ctx)
-	{
-	char tempbuf[1024];
-	HWCryptoHook_ErrMsgBuf rmsg;
-	/* Since HWCryptoHook_MPI is pretty compatible with BIGNUM's,
-	   we use them directly, plus a little macro magic.  We only
-	   thing we need to make sure of is that enough space is allocated. */
-	HWCryptoHook_MPI m_a, m_p, m_n, m_r;
-	int to_return, ret;
- 
-	to_return = 0; /* expect failure */
-	rmsg.buf = tempbuf;
-	rmsg.size = sizeof(tempbuf);
-
-	if(!hwcrhk_context)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP,HWCRHK_R_NOT_INITIALISED);
-		goto err;
-		}
-	/* Prepare the params */
-	bn_expand2(r, m->top);	/* Check for error !! */
-	BN2MPI(m_a, a);
-	BN2MPI(m_p, p);
-	BN2MPI(m_n, m);
-	MPI2BN(r, m_r);
-
-	/* Perform the operation */
-	ret = p_hwcrhk_ModExp(hwcrhk_context, m_a, m_p, m_n, &m_r, &rmsg);
-
-	/* Convert the response */
-	r->top = m_r.size / sizeof(BN_ULONG);
-	bn_fix_top(r);
-
-	if (ret < 0)
-		{
-		/* FIXME: When this error is returned, HWCryptoHook is
-		   telling us that falling back to software computation
-		   might be a good thing. */
-		if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP,HWCRHK_R_REQUEST_FALLBACK);
-			}
-		else
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP,HWCRHK_R_REQUEST_FAILED);
-			}
-		ERR_add_error_data(1,rmsg.buf);
-		goto err;
-		}
-
-	to_return = 1;
-err:
-	return to_return;
-	}
-
-#ifndef OPENSSL_NO_RSA 
-static int hwcrhk_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
-	{
-	char tempbuf[1024];
-	HWCryptoHook_ErrMsgBuf rmsg;
-	HWCryptoHook_RSAKeyHandle *hptr;
-	int to_return = 0, ret;
-
-	rmsg.buf = tempbuf;
-	rmsg.size = sizeof(tempbuf);
-
-	if(!hwcrhk_context)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,HWCRHK_R_NOT_INITIALISED);
-		goto err;
-		}
-
-	/* This provides support for nForce keys.  Since that's opaque data
-	   all we do is provide a handle to the proper key and let HWCryptoHook
-	   take care of the rest. */
-	if ((hptr = (HWCryptoHook_RSAKeyHandle *) RSA_get_ex_data(rsa, hndidx_rsa))
-		!= NULL)
-		{
-		HWCryptoHook_MPI m_a, m_r;
-
-		if(!rsa->n)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
-				HWCRHK_R_MISSING_KEY_COMPONENTS);
-			goto err;
-			}
-
-		/* Prepare the params */
-		bn_expand2(r, rsa->n->top); /* Check for error !! */
-		BN2MPI(m_a, I);
-		MPI2BN(r, m_r);
-
-		/* Perform the operation */
-		ret = p_hwcrhk_RSA(m_a, *hptr, &m_r, &rmsg);
-
-		/* Convert the response */
-		r->top = m_r.size / sizeof(BN_ULONG);
-		bn_fix_top(r);
-
-		if (ret < 0)
-			{
-			/* FIXME: When this error is returned, HWCryptoHook is
-			   telling us that falling back to software computation
-			   might be a good thing. */
-			if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
-				{
-				HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
-					HWCRHK_R_REQUEST_FALLBACK);
-				}
-			else
-				{
-				HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
-					HWCRHK_R_REQUEST_FAILED);
-				}
-			ERR_add_error_data(1,rmsg.buf);
-			goto err;
-			}
-		}
-	else
-		{
-		HWCryptoHook_MPI m_a, m_p, m_q, m_dmp1, m_dmq1, m_iqmp, m_r;
-
-		if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
-				HWCRHK_R_MISSING_KEY_COMPONENTS);
-			goto err;
-			}
-
-		/* Prepare the params */
-		bn_expand2(r, rsa->n->top); /* Check for error !! */
-		BN2MPI(m_a, I);
-		BN2MPI(m_p, rsa->p);
-		BN2MPI(m_q, rsa->q);
-		BN2MPI(m_dmp1, rsa->dmp1);
-		BN2MPI(m_dmq1, rsa->dmq1);
-		BN2MPI(m_iqmp, rsa->iqmp);
-		MPI2BN(r, m_r);
-
-		/* Perform the operation */
-		ret = p_hwcrhk_ModExpCRT(hwcrhk_context, m_a, m_p, m_q,
-			m_dmp1, m_dmq1, m_iqmp, &m_r, &rmsg);
-
-		/* Convert the response */
-		r->top = m_r.size / sizeof(BN_ULONG);
-		bn_fix_top(r);
-
-		if (ret < 0)
-			{
-			/* FIXME: When this error is returned, HWCryptoHook is
-			   telling us that falling back to software computation
-			   might be a good thing. */
-			if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
-				{
-				HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
-					HWCRHK_R_REQUEST_FALLBACK);
-				}
-			else
-				{
-				HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
-					HWCRHK_R_REQUEST_FAILED);
-				}
-			ERR_add_error_data(1,rmsg.buf);
-			goto err;
-			}
-		}
-	/* If we're here, we must be here with some semblance of success :-) */
-	to_return = 1;
-err:
-	return to_return;
-	}
-#endif
-
-#ifndef OPENSSL_NO_RSA
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int hwcrhk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-	{
-	return hwcrhk_mod_exp(r, a, p, m, ctx);
-	}
-#endif
-
-#ifndef OPENSSL_NO_DH
-/* This function is aliased to mod_exp (with the dh and mont dropped). */
-static int hwcrhk_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 hwcrhk_mod_exp(r, a, p, m, ctx);
-	}
-#endif
-
-/* Random bytes are good */
-static int hwcrhk_rand_bytes(unsigned char *buf, int num)
-	{
-	char tempbuf[1024];
-	HWCryptoHook_ErrMsgBuf rmsg;
-	int to_return = 0; /* assume failure */
-	int ret;
-
-	rmsg.buf = tempbuf;
-	rmsg.size = sizeof(tempbuf);
-
-	if(!hwcrhk_context)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES,HWCRHK_R_NOT_INITIALISED);
-		goto err;
-		}
-
-	ret = p_hwcrhk_RandomBytes(hwcrhk_context, buf, num, &rmsg);
-	if (ret < 0)
-		{
-		/* FIXME: When this error is returned, HWCryptoHook is
-		   telling us that falling back to software computation
-		   might be a good thing. */
-		if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES,
-				HWCRHK_R_REQUEST_FALLBACK);
-			}
-		else
-			{
-			HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES,
-				HWCRHK_R_REQUEST_FAILED);
-			}
-		ERR_add_error_data(1,rmsg.buf);
-		goto err;
-		}
-	to_return = 1;
- err:
-	return to_return;
-	}
-
-static int hwcrhk_rand_status(void)
-	{
-	return 1;
-	}
-
-/* This cleans up an RSA KM key, called when ex_data is freed */
-#ifndef OPENSSL_NO_RSA
-static void hwcrhk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
-	int ind,long argl, void *argp)
-{
-	char tempbuf[1024];
-	HWCryptoHook_ErrMsgBuf rmsg;
-#ifndef OPENSSL_NO_RSA
-	HWCryptoHook_RSAKeyHandle *hptr;
-#endif
-#if !defined(OPENSSL_NO_RSA)
-	int ret;
-#endif
-
-	rmsg.buf = tempbuf;
-	rmsg.size = sizeof(tempbuf);
-
-#ifndef OPENSSL_NO_RSA
-	hptr = (HWCryptoHook_RSAKeyHandle *) item;
-	if(hptr)
-                {
-                ret = p_hwcrhk_RSAUnloadKey(*hptr, NULL);
-                OPENSSL_free(hptr);
-                }
-#endif
-}
-#endif
-
-/* Mutex calls: since the HWCryptoHook model closely follows the POSIX model
- * these just wrap the POSIX functions and add some logging.
- */
-
-static int hwcrhk_mutex_init(HWCryptoHook_Mutex* mt,
-	HWCryptoHook_CallerContext *cactx)
-	{
-	mt->lockid = CRYPTO_get_new_dynlockid();
-	if (mt->lockid == 0)
-		return 1; /* failure */
-	return 0; /* success */
-	}
-
-static int hwcrhk_mutex_lock(HWCryptoHook_Mutex *mt)
-	{
-	CRYPTO_w_lock(mt->lockid);
-	return 0;
-	}
-
-static void hwcrhk_mutex_unlock(HWCryptoHook_Mutex * mt)
-	{
-	CRYPTO_w_unlock(mt->lockid);
-	}
-
-static void hwcrhk_mutex_destroy(HWCryptoHook_Mutex *mt)
-	{
-	CRYPTO_destroy_dynlockid(mt->lockid);
-	}
-
-static int hwcrhk_get_pass(const char *prompt_info,
-	int *len_io, char *buf,
-	HWCryptoHook_PassphraseContext *ppctx,
-	HWCryptoHook_CallerContext *cactx)
-	{
-	pem_password_cb *callback = NULL;
-	void *callback_data = NULL;
-        UI_METHOD *ui_method = NULL;
-
-        if (cactx)
-                {
-                if (cactx->ui_method)
-                        ui_method = cactx->ui_method;
-		if (cactx->password_callback)
-			callback = cactx->password_callback;
-		if (cactx->callback_data)
-			callback_data = cactx->callback_data;
-                }
-	if (ppctx)
-		{
-                if (ppctx->ui_method)
-                        {
-                        ui_method = ppctx->ui_method;
-                        callback = NULL;
-                        }
-		if (ppctx->callback_data)
-			callback_data = ppctx->callback_data;
-		}
-	if (callback == NULL && ui_method == NULL)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_GET_PASS,HWCRHK_R_NO_CALLBACK);
-		return -1;
-		}
-
-        if (ui_method)
-                {
-                UI *ui = UI_new_method(ui_method);
-                if (ui)
-                        {
-                        int ok;
-                        char *prompt = UI_construct_prompt(ui,
-                                "pass phrase", prompt_info);
-
-                        ok = UI_add_input_string(ui,prompt,
-                                UI_INPUT_FLAG_DEFAULT_PWD,
-				buf,0,(*len_io) - 1);
-                        UI_add_user_data(ui, callback_data);
-			UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
-
-			if (ok >= 0)
-				do
-					{
-					ok=UI_process(ui);
-					}
-				while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
-
-                        if (ok >= 0)
-                                *len_io = strlen(buf);
-
-                        UI_free(ui);
-                        OPENSSL_free(prompt);
-                        }
-                }
-        else
-                {
-                *len_io = callback(buf, *len_io, 0, callback_data);
-                }
-	if(!*len_io)
-		return -1;
-	return 0;
-	}
-
-static int hwcrhk_insert_card(const char *prompt_info,
-		      const char *wrong_info,
-		      HWCryptoHook_PassphraseContext *ppctx,
-		      HWCryptoHook_CallerContext *cactx)
-        {
-        int ok = -1;
-        UI *ui;
-	void *callback_data = NULL;
-        UI_METHOD *ui_method = NULL;
-
-        if (cactx)
-                {
-                if (cactx->ui_method)
-                        ui_method = cactx->ui_method;
-		if (cactx->callback_data)
-			callback_data = cactx->callback_data;
-                }
-	if (ppctx)
-		{
-                if (ppctx->ui_method)
-                        ui_method = ppctx->ui_method;
-		if (ppctx->callback_data)
-			callback_data = ppctx->callback_data;
-		}
-	if (ui_method == NULL)
-		{
-		HWCRHKerr(HWCRHK_F_HWCRHK_INSERT_CARD,
-			HWCRHK_R_NO_CALLBACK);
-		return -1;
-		}
-
-	ui = UI_new_method(ui_method);
-
-	if (ui)
-		{
-		char answer;
-		char buf[BUFSIZ];
-
-		if (wrong_info)
-			BIO_snprintf(buf, sizeof(buf)-1,
-				"Current card: \"%s\"\n", wrong_info);
-		ok = UI_dup_info_string(ui, buf);
-		if (ok >= 0 && prompt_info)
-			{
-			BIO_snprintf(buf, sizeof(buf)-1,
-				"Insert card \"%s\"", prompt_info);
-			ok = UI_dup_input_boolean(ui, buf,
-				"\n then hit <enter> or C<enter> to cancel\n",
-				"\r\n", "Cc", UI_INPUT_FLAG_ECHO, &answer);
-			}
-		UI_add_user_data(ui, callback_data);
-
-		if (ok >= 0)
-			ok = UI_process(ui);
-		UI_free(ui);
-
-		if (ok == -2 || (ok >= 0 && answer == 'C'))
-			ok = 1;
-		else if (ok < 0)
-			ok = -1;
-		else
-			ok = 0;
-		}
-	return ok;
-	}
-
-static void hwcrhk_log_message(void *logstr, const char *message)
-	{
-	BIO *lstream = NULL;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_BIO);
-	if (logstr)
-		lstream=*(BIO **)logstr;
-	if (lstream)
-		{
-		BIO_printf(lstream, "%s\n", message);
-		}
-	CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
-	}
-
-/* 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_hwcrhk_id) != 0) &&
-			(strcmp(id, engine_hwcrhk_id_alt) != 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 */
-
-#endif /* !OPENSSL_NO_HW_CHIL */
-#endif /* !OPENSSL_NO_HW */