sl@0: /* crypto/engine/eng_openssl.c */
sl@0: /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
sl@0:  * project 2000.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
sl@0:  * ECDH support in OpenSSL originally developed by 
sl@0:  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
sl@0:  */
sl@0:  /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0: 
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <openssl/crypto.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/engine.h>
sl@0: #include <openssl/dso.h>
sl@0: #include <openssl/pem.h>
sl@0: #include <openssl/evp.h>
sl@0: #include <openssl/rand.h>
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: #include <openssl/rsa.h>
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: #include <openssl/dsa.h>
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: #include <openssl/dh.h>
sl@0: #endif
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: /* This testing gunk is implemented (and explained) lower down. It also assumes
sl@0:  * the application explicitly calls "ENGINE_load_openssl()" because this is no
sl@0:  * longer automatic in ENGINE_load_builtin_engines(). */
sl@0: #define TEST_ENG_OPENSSL_RC4
sl@0: #define TEST_ENG_OPENSSL_PKEY
sl@0: /* #define TEST_ENG_OPENSSL_RC4_OTHERS */
sl@0: #define TEST_ENG_OPENSSL_RC4_P_INIT
sl@0: /* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
sl@0: #define TEST_ENG_OPENSSL_SHA
sl@0: /* #define TEST_ENG_OPENSSL_SHA_OTHERS */
sl@0: /* #define TEST_ENG_OPENSSL_SHA_P_INIT */
sl@0: /* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */
sl@0: /* #define TEST_ENG_OPENSSL_SHA_P_FINAL */
sl@0: 
sl@0: /* Now check what of those algorithms are actually enabled */
sl@0: #ifdef OPENSSL_NO_RC4
sl@0: #undef TEST_ENG_OPENSSL_RC4
sl@0: #undef TEST_ENG_OPENSSL_RC4_OTHERS
sl@0: #undef TEST_ENG_OPENSSL_RC4_P_INIT
sl@0: #undef TEST_ENG_OPENSSL_RC4_P_CIPHER
sl@0: #endif
sl@0: #if defined(OPENSSL_NO_SHA) || defined(OPENSSL_NO_SHA0) || defined(OPENSSL_NO_SHA1)
sl@0: #undef TEST_ENG_OPENSSL_SHA
sl@0: #undef TEST_ENG_OPENSSL_SHA_OTHERS
sl@0: #undef TEST_ENG_OPENSSL_SHA_P_INIT
sl@0: #undef TEST_ENG_OPENSSL_SHA_P_UPDATE
sl@0: #undef TEST_ENG_OPENSSL_SHA_P_FINAL 
sl@0: #endif
sl@0: 
sl@0: #ifdef TEST_ENG_OPENSSL_RC4
sl@0: static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
sl@0: 				const int **nids, int nid);
sl@0: #endif
sl@0: #ifdef TEST_ENG_OPENSSL_SHA
sl@0: static int openssl_digests(ENGINE *e, const EVP_MD **digest,
sl@0: 				const int **nids, int nid);
sl@0: #endif
sl@0: 
sl@0: #ifdef TEST_ENG_OPENSSL_PKEY
sl@0: static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
sl@0: 	UI_METHOD *ui_method, void *callback_data);
sl@0: #endif
sl@0: 
sl@0: /* The constants used when creating the ENGINE */
sl@0: #ifndef EMULATOR
sl@0: static const char *engine_openssl_id = "openssl";
sl@0: static const char *engine_openssl_name = "Software engine support";
sl@0: #else
sl@0: static const char *const engine_openssl_id = "openssl";
sl@0: static const char *const engine_openssl_name = "Software engine support";
sl@0: #endif
sl@0: 
sl@0: /* This internal function is used by ENGINE_openssl() and possibly by the
sl@0:  * "dynamic" ENGINE support too */
sl@0: static int bind_helper(ENGINE *e)
sl@0: 	{
sl@0: 	if(!ENGINE_set_id(e, engine_openssl_id)
sl@0: 			|| !ENGINE_set_name(e, engine_openssl_name)
sl@0: #ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 			|| !ENGINE_set_RSA(e, RSA_get_default_method())
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: 			|| !ENGINE_set_DSA(e, DSA_get_default_method())
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 			|| !ENGINE_set_ECDH(e, ECDH_OpenSSL())
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_ECDSA
sl@0: 			|| !ENGINE_set_ECDSA(e, ECDSA_OpenSSL())
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 			|| !ENGINE_set_DH(e, DH_get_default_method())
sl@0: #endif
sl@0: 			|| !ENGINE_set_RAND(e, RAND_SSLeay())
sl@0: #ifdef TEST_ENG_OPENSSL_RC4
sl@0: 			|| !ENGINE_set_ciphers(e, openssl_ciphers)
sl@0: #endif
sl@0: #ifdef TEST_ENG_OPENSSL_SHA
sl@0: 			|| !ENGINE_set_digests(e, openssl_digests)
sl@0: #endif
sl@0: #endif
sl@0: #ifdef TEST_ENG_OPENSSL_PKEY
sl@0: 			|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
sl@0: #endif
sl@0: 			)
sl@0: 		return 0;
sl@0: 	/* If we add errors to this ENGINE, ensure the error handling is setup here */
sl@0: 	/* openssl_load_error_strings(); */
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: static ENGINE *engine_openssl(void)
sl@0: 	{
sl@0: 	ENGINE *ret = ENGINE_new();
sl@0: 	if(!ret)
sl@0: 		return NULL;
sl@0: 	if(!bind_helper(ret))
sl@0: 		{
sl@0: 		ENGINE_free(ret);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void ENGINE_load_openssl(void)
sl@0: 	{
sl@0: 	ENGINE *toadd = engine_openssl();
sl@0: 	if(!toadd) return;
sl@0: 	ENGINE_add(toadd);
sl@0: 	/* If the "add" worked, it gets a structural reference. So either way,
sl@0: 	 * we release our just-created reference. */
sl@0: 	ENGINE_free(toadd);
sl@0: 	ERR_clear_error();
sl@0: 	}
sl@0: 
sl@0: /* This stuff is needed if this ENGINE is being compiled into a self-contained
sl@0:  * shared-library. */
sl@0: #ifdef ENGINE_DYNAMIC_SUPPORT
sl@0: static int bind_fn(ENGINE *e, const char *id)
sl@0: 	{
sl@0: 	if(id && (strcmp(id, engine_openssl_id) != 0))
sl@0: 		return 0;
sl@0: 	if(!bind_helper(e))
sl@0: 		return 0;
sl@0: 	return 1;
sl@0: 	}
sl@0: IMPLEMENT_DYNAMIC_CHECK_FN()
sl@0: IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
sl@0: #endif /* ENGINE_DYNAMIC_SUPPORT */
sl@0: 
sl@0: #ifdef TEST_ENG_OPENSSL_RC4
sl@0: /* This section of code compiles an "alternative implementation" of two modes of
sl@0:  * RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4"
sl@0:  * should under normal circumstances go via this support rather than the default
sl@0:  * EVP support. There are other symbols to tweak the testing;
sl@0:  *    TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time
sl@0:  *        we're asked for a cipher we don't support (should not happen).
sl@0:  *    TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time
sl@0:  *        the "init_key" handler is called.
sl@0:  *    TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler.
sl@0:  */
sl@0: #include <openssl/rc4.h>
sl@0: #define TEST_RC4_KEY_SIZE		16
sl@0: #ifndef EMULATOR
sl@0: static int test_cipher_nids[] = {NID_rc4,NID_rc4_40};
sl@0: static int test_cipher_nids_number = 2;
sl@0: #else
sl@0: static const int test_cipher_nids[] = {NID_rc4,NID_rc4_40};
sl@0: static const int test_cipher_nids_number = 2;
sl@0: #endif
sl@0: typedef struct {
sl@0: 	unsigned char key[TEST_RC4_KEY_SIZE];
sl@0: 	RC4_KEY ks;
sl@0: 	} TEST_RC4_KEY;
sl@0: #define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data)
sl@0: static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
sl@0: 			const unsigned char *iv, int enc)
sl@0: 	{
sl@0: #ifdef TEST_ENG_OPENSSL_RC4_P_INIT
sl@0: 	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
sl@0: #endif
sl@0: 	memcpy(&test(ctx)->key[0],key,EVP_CIPHER_CTX_key_length(ctx));
sl@0: 	RC4_set_key(&test(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
sl@0: 		test(ctx)->key);
sl@0: 	return 1;
sl@0: 	}
sl@0: static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
sl@0: 		      const unsigned char *in, unsigned int inl)
sl@0: 	{
sl@0: #ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
sl@0: 	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
sl@0: #endif
sl@0: 	RC4(&test(ctx)->ks,inl,in,out);
sl@0: 	return 1;
sl@0: 	}
sl@0: static const EVP_CIPHER test_r4_cipher=
sl@0: 	{
sl@0: 	NID_rc4,
sl@0: 	1,TEST_RC4_KEY_SIZE,0,
sl@0: 	EVP_CIPH_VARIABLE_LENGTH,
sl@0: 	test_rc4_init_key,
sl@0: 	test_rc4_cipher,
sl@0: 	NULL,
sl@0: 	sizeof(TEST_RC4_KEY),
sl@0: 	NULL,
sl@0: 	NULL,
sl@0: 	NULL,
sl@0: 	NULL
sl@0: 	};
sl@0: static const EVP_CIPHER test_r4_40_cipher=
sl@0: 	{
sl@0: 	NID_rc4_40,
sl@0: 	1,5 /* 40 bit */,0,
sl@0: 	EVP_CIPH_VARIABLE_LENGTH,
sl@0: 	test_rc4_init_key,
sl@0: 	test_rc4_cipher,
sl@0: 	NULL,
sl@0: 	sizeof(TEST_RC4_KEY),
sl@0: 	NULL, 
sl@0: 	NULL,
sl@0: 	NULL,
sl@0: 	NULL
sl@0: 	};
sl@0: static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
sl@0: 			const int **nids, int nid)
sl@0: 	{
sl@0: 	if(!cipher)
sl@0: 		{
sl@0: 		/* We are returning a list of supported nids */
sl@0: 		*nids = test_cipher_nids;
sl@0: 		return test_cipher_nids_number;
sl@0: 		}
sl@0: 	/* We are being asked for a specific cipher */
sl@0: 	if(nid == NID_rc4)
sl@0: 		*cipher = &test_r4_cipher;
sl@0: 	else if(nid == NID_rc4_40)
sl@0: 		*cipher = &test_r4_40_cipher;
sl@0: 	else
sl@0: 		{
sl@0: #ifdef TEST_ENG_OPENSSL_RC4_OTHERS
sl@0: 		fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
sl@0: 				"nid %d\n", nid);
sl@0: #endif
sl@0: 		*cipher = NULL;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	return 1;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifdef TEST_ENG_OPENSSL_SHA
sl@0: /* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
sl@0: #include <openssl/sha.h>
sl@0: #ifndef EMULATOR
sl@0: static int test_digest_nids[] = {NID_sha1};
sl@0: static int test_digest_nids_number = 1;
sl@0: #else
sl@0: static const int test_digest_nids[] = {NID_sha1};
sl@0: static const int test_digest_nids_number = 1;
sl@0: #endif
sl@0: static int test_sha1_init(EVP_MD_CTX *ctx)
sl@0: 	{
sl@0: #ifdef TEST_ENG_OPENSSL_SHA_P_INIT
sl@0: 	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
sl@0: #endif
sl@0: 	return SHA1_Init(ctx->md_data);
sl@0: 	}
sl@0: static int test_sha1_update(EVP_MD_CTX *ctx,const void *data,size_t count)
sl@0: 	{
sl@0: #ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
sl@0: 	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
sl@0: #endif
sl@0: 	return SHA1_Update(ctx->md_data,data,count);
sl@0: 	}
sl@0: static int test_sha1_final(EVP_MD_CTX *ctx,unsigned char *md)
sl@0: 	{
sl@0: #ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
sl@0: 	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
sl@0: #endif
sl@0: 	return SHA1_Final(md,ctx->md_data);
sl@0: 	}
sl@0: static const EVP_MD test_sha_md=
sl@0: 	{
sl@0: 	NID_sha1,
sl@0: 	NID_sha1WithRSAEncryption,
sl@0: 	SHA_DIGEST_LENGTH,
sl@0: 	0,
sl@0: 	test_sha1_init,
sl@0: 	test_sha1_update,
sl@0: 	test_sha1_final,
sl@0: 	NULL,
sl@0: 	NULL,
sl@0: 	EVP_PKEY_RSA_method,
sl@0: 	SHA_CBLOCK,
sl@0: 	sizeof(EVP_MD *)+sizeof(SHA_CTX),
sl@0: 	};
sl@0: static int openssl_digests(ENGINE *e, const EVP_MD **digest,
sl@0: 			const int **nids, int nid)
sl@0: 	{
sl@0: 	if(!digest)
sl@0: 		{
sl@0: 		/* We are returning a list of supported nids */
sl@0: 		*nids = test_digest_nids;
sl@0: 		return test_digest_nids_number;
sl@0: 		}
sl@0: 	/* We are being asked for a specific digest */
sl@0: 	if(nid == NID_sha1)
sl@0: 		*digest = &test_sha_md;
sl@0: 	else
sl@0: 		{
sl@0: #ifdef TEST_ENG_OPENSSL_SHA_OTHERS
sl@0: 		fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
sl@0: 				"nid %d\n", nid);
sl@0: #endif
sl@0: 		*digest = NULL;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	return 1;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifdef TEST_ENG_OPENSSL_PKEY
sl@0: static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
sl@0: 	UI_METHOD *ui_method, void *callback_data)
sl@0: 	{
sl@0: 	BIO *in;
sl@0: 	EVP_PKEY *key;
sl@0: 	fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n", key_id);
sl@0: 	in = BIO_new_file(key_id, "r");
sl@0: 	if (!in)
sl@0: 		return NULL;
sl@0: 	key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
sl@0: 	BIO_free(in);
sl@0: 	return key;
sl@0: 	}
sl@0: #endif