[thirdparty/openssl.git] / crypto / engine / eng_openssl.c

/* crypto/engine/eng_openssl.c */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) 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 <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/engine.h>
#include <openssl/dso.h>

/* This testing gunk is implemented (and explained) lower down. It also assumes
 * the application explicitly calls "ENGINE_load_openssl()" because this is no
 * longer automatic in ENGINE_load_builtin_engines(). */
#define TEST_ENG_OPENSSL_RC4
/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
#define TEST_ENG_OPENSSL_RC4_P_INIT
/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
#define TEST_ENG_OPENSSL_SHA
/* #define TEST_ENG_OPENSSL_SHA_OTHERS */
/* #define TEST_ENG_OPENSSL_SHA_P_INIT */
/* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */
/* #define TEST_ENG_OPENSSL_SHA_P_FINAL */

#ifdef TEST_ENG_OPENSSL_RC4
static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
				const int **nids, int nid);
#endif
#ifdef TEST_ENG_OPENSSL_SHA
static int openssl_digests(ENGINE *e, const EVP_MD **digest,
				const int **nids, int nid);
#endif

/* The constants used when creating the ENGINE */
static const char *engine_openssl_id = "openssl";
static const char *engine_openssl_name = "Software engine support";

static ENGINE *engine_openssl(void)
	{
	ENGINE *ret = ENGINE_new();
	if(!ret)
		return NULL;
	if(!ENGINE_set_id(ret, engine_openssl_id)
			|| !ENGINE_set_name(ret, engine_openssl_name)
#ifndef OPENSSL_NO_RSA
			|| !ENGINE_set_RSA(ret, RSA_get_default_method())
#endif
#ifndef OPENSSL_NO_DSA
			|| !ENGINE_set_DSA(ret, DSA_get_default_method())
#endif
#ifndef OPENSSL_NO_DH
			|| !ENGINE_set_DH(ret, DH_get_default_method())
#endif
			|| !ENGINE_set_RAND(ret, RAND_SSLeay())
#ifdef TEST_ENG_OPENSSL_RC4
			|| !ENGINE_set_ciphers(ret, openssl_ciphers)
#endif
#ifdef TEST_ENG_OPENSSL_SHA
			|| !ENGINE_set_digests(ret, openssl_digests)
#endif
			)
		{
		ENGINE_free(ret);
		return NULL;
		}
	return ret;
	}

void ENGINE_load_openssl(void)
	{
	ENGINE *toadd = engine_openssl();
	if(!toadd) return;
	ENGINE_add(toadd);
	/* If the "add" worked, it gets a structural reference. So either way,
	 * we release our just-created reference. */
	ENGINE_free(toadd);
	ERR_clear_error();
	}

#ifdef TEST_ENG_OPENSSL_RC4
/* This section of code compiles an "alternative implementation" of two modes of
 * RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4"
 * should under normal circumstances go via this support rather than the default
 * EVP support. There are other symbols to tweak the testing;
 *    TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time
 *        we're asked for a cipher we don't support (should not happen).
 *    TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time
 *        the "init_key" handler is called.
 *    TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler.
 */
#include <openssl/evp.h>
#include <openssl/rc4.h>
#define TEST_RC4_KEY_SIZE		16
static int test_cipher_nids[] = {NID_rc4,NID_rc4_40};
static int test_cipher_nids_number = 2;
typedef struct {
	unsigned char key[TEST_RC4_KEY_SIZE];
	RC4_KEY ks;
	} TEST_RC4_KEY;
#define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data)
static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
			const unsigned char *iv, int enc)
	{
#ifdef TEST_ENG_OPENSSL_RC4_P_INIT
	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
#endif
	memcpy(&test(ctx)->key[0],key,EVP_CIPHER_CTX_key_length(ctx));
	RC4_set_key(&test(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
		test(ctx)->key);
	return 1;
	}
static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
		      const unsigned char *in, unsigned int inl)
	{
#ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
#endif
	RC4(&test(ctx)->ks,inl,in,out);
	return 1;
	}
static const EVP_CIPHER test_r4_cipher=
	{
	NID_rc4,
	1,TEST_RC4_KEY_SIZE,0,
	EVP_CIPH_VARIABLE_LENGTH,
	test_rc4_init_key,
	test_rc4_cipher,
	NULL,
	sizeof(TEST_RC4_KEY),
	NULL,
	NULL,
	NULL
	};
static const EVP_CIPHER test_r4_40_cipher=
	{
	NID_rc4_40,
	1,5 /* 40 bit */,0,
	EVP_CIPH_VARIABLE_LENGTH,
	test_rc4_init_key,
	test_rc4_cipher,
	NULL,
	sizeof(TEST_RC4_KEY),
	NULL, 
	NULL,
	NULL
	};
static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
			const int **nids, int nid)
	{
	if(!cipher)
		{
		/* We are returning a list of supported nids */
		*nids = test_cipher_nids;
		return test_cipher_nids_number;
		}
	/* We are being asked for a specific cipher */
	if(nid == NID_rc4)
		*cipher = &test_r4_cipher;
	else if(nid == NID_rc4_40)
		*cipher = &test_r4_40_cipher;
	else
		{
#ifdef TEST_ENG_OPENSSL_RC4_OTHERS
		fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
				"nid %d\n", nid);
#endif
		*cipher = NULL;
		return 0;
		}
	return 1;
	}
#endif

#ifdef TEST_ENG_OPENSSL_SHA
/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
#include <openssl/evp.h>
#include <openssl/sha.h>
static int test_digest_nids[] = {NID_sha1};
static int test_digest_nids_number = 1;
static int test_sha1_init(EVP_MD_CTX *ctx)
	{
#ifdef TEST_ENG_OPENSSL_SHA_P_INIT
	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
#endif
	return SHA1_Init(ctx->md_data);
	}
static int test_sha1_update(EVP_MD_CTX *ctx,const void *data,unsigned long count)
	{
#ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
#endif
	return SHA1_Update(ctx->md_data,data,count);
	}
static int test_sha1_final(EVP_MD_CTX *ctx,unsigned char *md)
	{
#ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
#endif
	return SHA1_Final(md,ctx->md_data);
	}
static const EVP_MD test_sha_md=
	{
	NID_sha1,
	NID_sha1WithRSAEncryption,
	SHA_DIGEST_LENGTH,
	0,
	test_sha1_init,
	test_sha1_update,
	test_sha1_final,
	NULL,
	NULL,
	EVP_PKEY_RSA_method,
	SHA_CBLOCK,
	sizeof(EVP_MD *)+sizeof(SHA_CTX),
	};
static int openssl_digests(ENGINE *e, const EVP_MD **digest,
			const int **nids, int nid)
	{
	if(!digest)
		{
		/* We are returning a list of supported nids */
		*nids = test_digest_nids;
		return test_digest_nids_number;
		}
	/* We are being asked for a specific digest */
	if(nid == NID_sha1)
		*digest = &test_sha_md;
	else
		{
#ifdef TEST_ENG_OPENSSL_SHA_OTHERS
		fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
				"nid %d\n", nid);
#endif
		*digest = NULL;
		return 0;
		}
	return 1;
	}
#endif
Commit	Line	Data
2b671586	1	/* crypto/engine/eng_openssl.c */
5270e702 RL	2	/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
	3	* project 2000.
	4	*/
	5	/* ====================================================================
2b671586	6	* Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
5270e702 RL	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* licensing@OpenSSL.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
	58
	59
	60	#include <stdio.h>
	61	#include <openssl/crypto.h>
	62	#include "cryptlib.h"
5270e702 RL	63	#include <openssl/engine.h>
5270e702 RL	64	#include <openssl/dso.h>
5270e702	65
3b04cdd7 GT	66	/* This testing gunk is implemented (and explained) lower down. It also assumes
	67	* the application explicitly calls "ENGINE_load_openssl()" because this is no
	68	* longer automatic in ENGINE_load_builtin_engines(). */
	69	#define TEST_ENG_OPENSSL_RC4
3b04cdd7 GT	70	/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
	71	#define TEST_ENG_OPENSSL_RC4_P_INIT
	72	/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
	73	#define TEST_ENG_OPENSSL_SHA
3b04cdd7 GT	74	/* #define TEST_ENG_OPENSSL_SHA_OTHERS */
	75	/* #define TEST_ENG_OPENSSL_SHA_P_INIT */
	76	/* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */
	77	/* #define TEST_ENG_OPENSSL_SHA_P_FINAL */
	78
	79	#ifdef TEST_ENG_OPENSSL_RC4
	80	static int openssl_ciphers(ENGINE e, const EVP_CIPHER *cipher,
	81	const int **nids, int nid);
	82	#endif
	83	#ifdef TEST_ENG_OPENSSL_SHA
	84	static int openssl_digests(ENGINE e, const EVP_MD *digest,
	85	const int **nids, int nid);
	86	#endif
	87
59bc3126 GT	88	/* The constants used when creating the ENGINE */
59bc3126 GT	89	static const char *engine_openssl_id = "openssl";
b6d1e52d	90	static const char *engine_openssl_name = "Software engine support";
5270e702	91
3b04cdd7	92	static ENGINE *engine_openssl(void)
5270e702	93	{
59bc3126 GT	94	ENGINE *ret = ENGINE_new();
	95	if(!ret)
	96	return NULL;
3b04cdd7 GT	97	if(!ENGINE_set_id(ret, engine_openssl_id)
3b04cdd7 GT	98	\|\| !ENGINE_set_name(ret, engine_openssl_name)
9e78e6c3	99	#ifndef OPENSSL_NO_RSA
3b04cdd7	100	\|\| !ENGINE_set_RSA(ret, RSA_get_default_method())
9e78e6c3 RL	101	#endif
9e78e6c3 RL	102	#ifndef OPENSSL_NO_DSA
3b04cdd7	103	\|\| !ENGINE_set_DSA(ret, DSA_get_default_method())
9e78e6c3 RL	104	#endif
9e78e6c3 RL	105	#ifndef OPENSSL_NO_DH
3b04cdd7 GT	106	\|\| !ENGINE_set_DH(ret, DH_get_default_method())
	107	#endif
	108	\|\| !ENGINE_set_RAND(ret, RAND_SSLeay())
	109	#ifdef TEST_ENG_OPENSSL_RC4
	110	\|\| !ENGINE_set_ciphers(ret, openssl_ciphers)
	111	#endif
	112	#ifdef TEST_ENG_OPENSSL_SHA
	113	\|\| !ENGINE_set_digests(ret, openssl_digests)
9e78e6c3	114	#endif
3b04cdd7	115	)
59bc3126 GT	116	{
	117	ENGINE_free(ret);
	118	return NULL;
	119	}
	120	return ret;
5270e702	121	}
3b04cdd7 GT	122
	123	void ENGINE_load_openssl(void)
	124	{
	125	ENGINE *toadd = engine_openssl();
	126	if(!toadd) return;
	127	ENGINE_add(toadd);
	128	/* If the "add" worked, it gets a structural reference. So either way,
	129	* we release our just-created reference. */
	130	ENGINE_free(toadd);
	131	ERR_clear_error();
	132	}
	133
	134	#ifdef TEST_ENG_OPENSSL_RC4
	135	/* This section of code compiles an "alternative implementation" of two modes of
	136	* RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4"
	137	* should under normal circumstances go via this support rather than the default
	138	* EVP support. There are other symbols to tweak the testing;
3b04cdd7	139	* TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time
004aa803	140	* we're asked for a cipher we don't support (should not happen).
3b04cdd7 GT	141	* TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time
	142	* the "init_key" handler is called.
	143	* TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler.
	144	*/
	145	#include <openssl/evp.h>
	146	#include <openssl/rc4.h>
	147	#define TEST_RC4_KEY_SIZE 16
3b04cdd7 GT	148	static int test_cipher_nids[] = {NID_rc4,NID_rc4_40};
3b04cdd7 GT	149	static int test_cipher_nids_number = 2;
3b04cdd7 GT	150	typedef struct {
	151	unsigned char key[TEST_RC4_KEY_SIZE];
	152	RC4_KEY ks;
	153	} TEST_RC4_KEY;
	154	#define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data)
	155	static int test_rc4_init_key(EVP_CIPHER_CTX ctx, const unsigned char key,
	156	const unsigned char *iv, int enc)
	157	{
	158	#ifdef TEST_ENG_OPENSSL_RC4_P_INIT
	159	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
	160	#endif
	161	memcpy(&test(ctx)->key[0],key,EVP_CIPHER_CTX_key_length(ctx));
	162	RC4_set_key(&test(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
	163	test(ctx)->key);
	164	return 1;
	165	}
	166	static int test_rc4_cipher(EVP_CIPHER_CTX ctx, unsigned char out,
	167	const unsigned char *in, unsigned int inl)
	168	{
	169	#ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
	170	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
	171	#endif
	172	RC4(&test(ctx)->ks,inl,in,out);
	173	return 1;
	174	}
	175	static const EVP_CIPHER test_r4_cipher=
	176	{
	177	NID_rc4,
	178	1,TEST_RC4_KEY_SIZE,0,
	179	EVP_CIPH_VARIABLE_LENGTH,
	180	test_rc4_init_key,
	181	test_rc4_cipher,
	182	NULL,
	183	sizeof(TEST_RC4_KEY),
	184	NULL,
	185	NULL,
	186	NULL
	187	};
	188	static const EVP_CIPHER test_r4_40_cipher=
	189	{
	190	NID_rc4_40,
	191	1,5 /* 40 bit */,0,
	192	EVP_CIPH_VARIABLE_LENGTH,
	193	test_rc4_init_key,
	194	test_rc4_cipher,
	195	NULL,
	196	sizeof(TEST_RC4_KEY),
	197	NULL,
	198	NULL,
	199	NULL
	200	};
	201	static int openssl_ciphers(ENGINE e, const EVP_CIPHER *cipher,
	202	const int **nids, int nid)
	203	{
	204	if(!cipher)
	205	{
	206	/* We are returning a list of supported nids */
	207	*nids = test_cipher_nids;
	208	return test_cipher_nids_number;
	209	}
	210	/* We are being asked for a specific cipher */
	211	if(nid == NID_rc4)
	212	*cipher = &test_r4_cipher;
	213	else if(nid == NID_rc4_40)
214	*cipher = &test_r4_40_cipher;
215	else
216	{
217	#ifdef TEST_ENG_OPENSSL_RC4_OTHERS
218	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
219	"nid %d\n", nid);
220	#endif
221	*cipher = NULL;
222	return 0;
223	}
224	return 1;
225	}
226	#endif
227
228	#ifdef TEST_ENG_OPENSSL_SHA
229	/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
230	#include <openssl/evp.h>
231	#include <openssl/sha.h>
3b04cdd7 GT	232	static int test_digest_nids[] = {NID_sha1};
3b04cdd7 GT	233	static int test_digest_nids_number = 1;
3b04cdd7 GT	234	static int test_sha1_init(EVP_MD_CTX *ctx)
	235	{
	236	#ifdef TEST_ENG_OPENSSL_SHA_P_INIT
	237	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
	238	#endif
	239	return SHA1_Init(ctx->md_data);
	240	}
	241	static int test_sha1_update(EVP_MD_CTX ctx,const void data,unsigned long count)
	242	{
	243	#ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
	244	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
	245	#endif
	246	return SHA1_Update(ctx->md_data,data,count);
	247	}
	248	static int test_sha1_final(EVP_MD_CTX ctx,unsigned char md)
	249	{
	250	#ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
	251	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
	252	#endif
	253	return SHA1_Final(md,ctx->md_data);
	254	}
	255	static const EVP_MD test_sha_md=
	256	{
	257	NID_sha1,
	258	NID_sha1WithRSAEncryption,
	259	SHA_DIGEST_LENGTH,
	260	0,
	261	test_sha1_init,
	262	test_sha1_update,
	263	test_sha1_final,
	264	NULL,
	265	NULL,
	266	EVP_PKEY_RSA_method,
	267	SHA_CBLOCK,
	268	sizeof(EVP_MD *)+sizeof(SHA_CTX),
	269	};
	270	static int openssl_digests(ENGINE e, const EVP_MD *digest,
	271	const int **nids, int nid)
	272	{
	273	if(!digest)
	274	{
	275	/* We are returning a list of supported nids */
	276	*nids = test_digest_nids;
	277	return test_digest_nids_number;
	278	}
	279	/* We are being asked for a specific digest */
	280	if(nid == NID_sha1)
	281	*digest = &test_sha_md;
	282	else
	283	{
	284	#ifdef TEST_ENG_OPENSSL_SHA_OTHERS
	285	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
	286	"nid %d\n", nid);
	287	#endif
	288	*digest = NULL;
	289	return 0;
	290	}
	291	return 1;
	292	}
	293	#endif