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Diffstat (limited to 'src/lib/libcrypto/engine/eng_openssl.c')
| -rw-r--r-- | src/lib/libcrypto/engine/eng_openssl.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/src/lib/libcrypto/engine/eng_openssl.c b/src/lib/libcrypto/engine/eng_openssl.c new file mode 100644 index 0000000000..9abb95cc22 --- /dev/null +++ b/src/lib/libcrypto/engine/eng_openssl.c | |||
| @@ -0,0 +1,384 @@ | |||
| 1 | /* crypto/engine/eng_openssl.c */ | ||
| 2 | /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL | ||
| 3 | * project 2000. | ||
| 4 | */ | ||
| 5 | /* ==================================================================== | ||
| 6 | * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. | ||
| 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 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | ||
| 60 | * ECDH support in OpenSSL originally developed by | ||
| 61 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. | ||
| 62 | */ | ||
| 63 | |||
| 64 | |||
| 65 | #include <stdio.h> | ||
| 66 | #include <openssl/crypto.h> | ||
| 67 | #include "cryptlib.h" | ||
| 68 | #include <openssl/engine.h> | ||
| 69 | #include <openssl/dso.h> | ||
| 70 | #include <openssl/pem.h> | ||
| 71 | #include <openssl/evp.h> | ||
| 72 | #include <openssl/rand.h> | ||
| 73 | #ifndef OPENSSL_NO_RSA | ||
| 74 | #include <openssl/rsa.h> | ||
| 75 | #endif | ||
| 76 | #ifndef OPENSSL_NO_DSA | ||
| 77 | #include <openssl/dsa.h> | ||
| 78 | #endif | ||
| 79 | #ifndef OPENSSL_NO_DH | ||
| 80 | #include <openssl/dh.h> | ||
| 81 | #endif | ||
| 82 | |||
| 83 | /* This testing gunk is implemented (and explained) lower down. It also assumes | ||
| 84 | * the application explicitly calls "ENGINE_load_openssl()" because this is no | ||
| 85 | * longer automatic in ENGINE_load_builtin_engines(). */ | ||
| 86 | #define TEST_ENG_OPENSSL_RC4 | ||
| 87 | #define TEST_ENG_OPENSSL_PKEY | ||
| 88 | /* #define TEST_ENG_OPENSSL_RC4_OTHERS */ | ||
| 89 | #define TEST_ENG_OPENSSL_RC4_P_INIT | ||
| 90 | /* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */ | ||
| 91 | #define TEST_ENG_OPENSSL_SHA | ||
| 92 | /* #define TEST_ENG_OPENSSL_SHA_OTHERS */ | ||
| 93 | /* #define TEST_ENG_OPENSSL_SHA_P_INIT */ | ||
| 94 | /* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */ | ||
| 95 | /* #define TEST_ENG_OPENSSL_SHA_P_FINAL */ | ||
| 96 | |||
| 97 | /* Now check what of those algorithms are actually enabled */ | ||
| 98 | #ifdef OPENSSL_NO_RC4 | ||
| 99 | #undef TEST_ENG_OPENSSL_RC4 | ||
| 100 | #undef TEST_ENG_OPENSSL_RC4_OTHERS | ||
| 101 | #undef TEST_ENG_OPENSSL_RC4_P_INIT | ||
| 102 | #undef TEST_ENG_OPENSSL_RC4_P_CIPHER | ||
| 103 | #endif | ||
| 104 | #if defined(OPENSSL_NO_SHA) || defined(OPENSSL_NO_SHA0) || defined(OPENSSL_NO_SHA1) | ||
| 105 | #undef TEST_ENG_OPENSSL_SHA | ||
| 106 | #undef TEST_ENG_OPENSSL_SHA_OTHERS | ||
| 107 | #undef TEST_ENG_OPENSSL_SHA_P_INIT | ||
| 108 | #undef TEST_ENG_OPENSSL_SHA_P_UPDATE | ||
| 109 | #undef TEST_ENG_OPENSSL_SHA_P_FINAL | ||
| 110 | #endif | ||
| 111 | |||
| 112 | #ifdef TEST_ENG_OPENSSL_RC4 | ||
| 113 | static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher, | ||
| 114 | const int **nids, int nid); | ||
| 115 | #endif | ||
| 116 | #ifdef TEST_ENG_OPENSSL_SHA | ||
| 117 | static int openssl_digests(ENGINE *e, const EVP_MD **digest, | ||
| 118 | const int **nids, int nid); | ||
| 119 | #endif | ||
| 120 | |||
| 121 | #ifdef TEST_ENG_OPENSSL_PKEY | ||
| 122 | static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id, | ||
| 123 | UI_METHOD *ui_method, void *callback_data); | ||
| 124 | #endif | ||
| 125 | |||
| 126 | /* The constants used when creating the ENGINE */ | ||
| 127 | static const char *engine_openssl_id = "openssl"; | ||
| 128 | static const char *engine_openssl_name = "Software engine support"; | ||
| 129 | |||
| 130 | /* This internal function is used by ENGINE_openssl() and possibly by the | ||
| 131 | * "dynamic" ENGINE support too */ | ||
| 132 | static int bind_helper(ENGINE *e) | ||
| 133 | { | ||
| 134 | if(!ENGINE_set_id(e, engine_openssl_id) | ||
| 135 | || !ENGINE_set_name(e, engine_openssl_name) | ||
| 136 | #ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS | ||
| 137 | #ifndef OPENSSL_NO_RSA | ||
| 138 | || !ENGINE_set_RSA(e, RSA_get_default_method()) | ||
| 139 | #endif | ||
| 140 | #ifndef OPENSSL_NO_DSA | ||
| 141 | || !ENGINE_set_DSA(e, DSA_get_default_method()) | ||
| 142 | #endif | ||
| 143 | #ifndef OPENSSL_NO_ECDH | ||
| 144 | || !ENGINE_set_ECDH(e, ECDH_OpenSSL()) | ||
| 145 | #endif | ||
| 146 | #ifndef OPENSSL_NO_ECDSA | ||
| 147 | || !ENGINE_set_ECDSA(e, ECDSA_OpenSSL()) | ||
| 148 | #endif | ||
| 149 | #ifndef OPENSSL_NO_DH | ||
| 150 | || !ENGINE_set_DH(e, DH_get_default_method()) | ||
| 151 | #endif | ||
| 152 | || !ENGINE_set_RAND(e, RAND_SSLeay()) | ||
| 153 | #ifdef TEST_ENG_OPENSSL_RC4 | ||
| 154 | || !ENGINE_set_ciphers(e, openssl_ciphers) | ||
| 155 | #endif | ||
| 156 | #ifdef TEST_ENG_OPENSSL_SHA | ||
| 157 | || !ENGINE_set_digests(e, openssl_digests) | ||
| 158 | #endif | ||
| 159 | #endif | ||
| 160 | #ifdef TEST_ENG_OPENSSL_PKEY | ||
| 161 | || !ENGINE_set_load_privkey_function(e, openssl_load_privkey) | ||
| 162 | #endif | ||
| 163 | ) | ||
| 164 | return 0; | ||
| 165 | /* If we add errors to this ENGINE, ensure the error handling is setup here */ | ||
| 166 | /* openssl_load_error_strings(); */ | ||
| 167 | return 1; | ||
| 168 | } | ||
| 169 | |||
| 170 | static ENGINE *engine_openssl(void) | ||
| 171 | { | ||
| 172 | ENGINE *ret = ENGINE_new(); | ||
| 173 | if(!ret) | ||
| 174 | return NULL; | ||
| 175 | if(!bind_helper(ret)) | ||
| 176 | { | ||
| 177 | ENGINE_free(ret); | ||
| 178 | return NULL; | ||
| 179 | } | ||
| 180 | return ret; | ||
| 181 | } | ||
| 182 | |||
| 183 | void ENGINE_load_openssl(void) | ||
| 184 | { | ||
| 185 | ENGINE *toadd = engine_openssl(); | ||
| 186 | if(!toadd) return; | ||
| 187 | ENGINE_add(toadd); | ||
| 188 | /* If the "add" worked, it gets a structural reference. So either way, | ||
| 189 | * we release our just-created reference. */ | ||
| 190 | ENGINE_free(toadd); | ||
| 191 | ERR_clear_error(); | ||
| 192 | } | ||
| 193 | |||
| 194 | /* This stuff is needed if this ENGINE is being compiled into a self-contained | ||
| 195 | * shared-library. */ | ||
| 196 | #ifdef ENGINE_DYNAMIC_SUPPORT | ||
| 197 | static int bind_fn(ENGINE *e, const char *id) | ||
| 198 | { | ||
| 199 | if(id && (strcmp(id, engine_openssl_id) != 0)) | ||
| 200 | return 0; | ||
| 201 | if(!bind_helper(e)) | ||
| 202 | return 0; | ||
| 203 | return 1; | ||
| 204 | } | ||
| 205 | IMPLEMENT_DYNAMIC_CHECK_FN() | ||
| 206 | IMPLEMENT_DYNAMIC_BIND_FN(bind_fn) | ||
| 207 | #endif /* ENGINE_DYNAMIC_SUPPORT */ | ||
| 208 | |||
| 209 | #ifdef TEST_ENG_OPENSSL_RC4 | ||
| 210 | /* This section of code compiles an "alternative implementation" of two modes of | ||
| 211 | * RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4" | ||
| 212 | * should under normal circumstances go via this support rather than the default | ||
| 213 | * EVP support. There are other symbols to tweak the testing; | ||
| 214 | * TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time | ||
| 215 | * we're asked for a cipher we don't support (should not happen). | ||
| 216 | * TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time | ||
| 217 | * the "init_key" handler is called. | ||
| 218 | * TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler. | ||
| 219 | */ | ||
| 220 | #include <openssl/rc4.h> | ||
| 221 | #define TEST_RC4_KEY_SIZE 16 | ||
| 222 | static int test_cipher_nids[] = {NID_rc4,NID_rc4_40}; | ||
| 223 | static int test_cipher_nids_number = 2; | ||
| 224 | typedef struct { | ||
| 225 | unsigned char key[TEST_RC4_KEY_SIZE]; | ||
| 226 | RC4_KEY ks; | ||
| 227 | } TEST_RC4_KEY; | ||
| 228 | #define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data) | ||
| 229 | static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
| 230 | const unsigned char *iv, int enc) | ||
| 231 | { | ||
| 232 | #ifdef TEST_ENG_OPENSSL_RC4_P_INIT | ||
| 233 | fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n"); | ||
| 234 | #endif | ||
| 235 | memcpy(&test(ctx)->key[0],key,EVP_CIPHER_CTX_key_length(ctx)); | ||
| 236 | RC4_set_key(&test(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx), | ||
| 237 | test(ctx)->key); | ||
| 238 | return 1; | ||
| 239 | } | ||
| 240 | static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 241 | const unsigned char *in, size_t inl) | ||
| 242 | { | ||
| 243 | #ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER | ||
| 244 | fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n"); | ||
| 245 | #endif | ||
| 246 | RC4(&test(ctx)->ks,inl,in,out); | ||
| 247 | return 1; | ||
| 248 | } | ||
| 249 | static const EVP_CIPHER test_r4_cipher= | ||
| 250 | { | ||
| 251 | NID_rc4, | ||
| 252 | 1,TEST_RC4_KEY_SIZE,0, | ||
| 253 | EVP_CIPH_VARIABLE_LENGTH, | ||
| 254 | test_rc4_init_key, | ||
| 255 | test_rc4_cipher, | ||
| 256 | NULL, | ||
| 257 | sizeof(TEST_RC4_KEY), | ||
| 258 | NULL, | ||
| 259 | NULL, | ||
| 260 | NULL, | ||
| 261 | NULL | ||
| 262 | }; | ||
| 263 | static const EVP_CIPHER test_r4_40_cipher= | ||
| 264 | { | ||
| 265 | NID_rc4_40, | ||
| 266 | 1,5 /* 40 bit */,0, | ||
| 267 | EVP_CIPH_VARIABLE_LENGTH, | ||
| 268 | test_rc4_init_key, | ||
| 269 | test_rc4_cipher, | ||
| 270 | NULL, | ||
| 271 | sizeof(TEST_RC4_KEY), | ||
| 272 | NULL, | ||
| 273 | NULL, | ||
| 274 | NULL, | ||
| 275 | NULL | ||
| 276 | }; | ||
| 277 | static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher, | ||
| 278 | const int **nids, int nid) | ||
| 279 | { | ||
| 280 | if(!cipher) | ||
| 281 | { | ||
| 282 | /* We are returning a list of supported nids */ | ||
| 283 | *nids = test_cipher_nids; | ||
| 284 | return test_cipher_nids_number; | ||
| 285 | } | ||
| 286 | /* We are being asked for a specific cipher */ | ||
| 287 | if(nid == NID_rc4) | ||
| 288 | *cipher = &test_r4_cipher; | ||
| 289 | else if(nid == NID_rc4_40) | ||
| 290 | *cipher = &test_r4_40_cipher; | ||
| 291 | else | ||
| 292 | { | ||
| 293 | #ifdef TEST_ENG_OPENSSL_RC4_OTHERS | ||
| 294 | fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for " | ||
| 295 | "nid %d\n", nid); | ||
| 296 | #endif | ||
| 297 | *cipher = NULL; | ||
| 298 | return 0; | ||
| 299 | } | ||
| 300 | return 1; | ||
| 301 | } | ||
| 302 | #endif | ||
| 303 | |||
| 304 | #ifdef TEST_ENG_OPENSSL_SHA | ||
| 305 | /* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */ | ||
| 306 | #include <openssl/sha.h> | ||
| 307 | static int test_digest_nids[] = {NID_sha1}; | ||
| 308 | static int test_digest_nids_number = 1; | ||
| 309 | static int test_sha1_init(EVP_MD_CTX *ctx) | ||
| 310 | { | ||
| 311 | #ifdef TEST_ENG_OPENSSL_SHA_P_INIT | ||
| 312 | fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n"); | ||
| 313 | #endif | ||
| 314 | return SHA1_Init(ctx->md_data); | ||
| 315 | } | ||
| 316 | static int test_sha1_update(EVP_MD_CTX *ctx,const void *data,size_t count) | ||
| 317 | { | ||
| 318 | #ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE | ||
| 319 | fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n"); | ||
| 320 | #endif | ||
| 321 | return SHA1_Update(ctx->md_data,data,count); | ||
| 322 | } | ||
| 323 | static int test_sha1_final(EVP_MD_CTX *ctx,unsigned char *md) | ||
| 324 | { | ||
| 325 | #ifdef TEST_ENG_OPENSSL_SHA_P_FINAL | ||
| 326 | fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n"); | ||
| 327 | #endif | ||
| 328 | return SHA1_Final(md,ctx->md_data); | ||
| 329 | } | ||
| 330 | static const EVP_MD test_sha_md= | ||
| 331 | { | ||
| 332 | NID_sha1, | ||
| 333 | NID_sha1WithRSAEncryption, | ||
| 334 | SHA_DIGEST_LENGTH, | ||
| 335 | 0, | ||
| 336 | test_sha1_init, | ||
| 337 | test_sha1_update, | ||
| 338 | test_sha1_final, | ||
| 339 | NULL, | ||
| 340 | NULL, | ||
| 341 | EVP_PKEY_RSA_method, | ||
| 342 | SHA_CBLOCK, | ||
| 343 | sizeof(EVP_MD *)+sizeof(SHA_CTX), | ||
| 344 | }; | ||
| 345 | static int openssl_digests(ENGINE *e, const EVP_MD **digest, | ||
| 346 | const int **nids, int nid) | ||
| 347 | { | ||
| 348 | if(!digest) | ||
| 349 | { | ||
| 350 | /* We are returning a list of supported nids */ | ||
| 351 | *nids = test_digest_nids; | ||
| 352 | return test_digest_nids_number; | ||
| 353 | } | ||
| 354 | /* We are being asked for a specific digest */ | ||
| 355 | if(nid == NID_sha1) | ||
| 356 | *digest = &test_sha_md; | ||
| 357 | else | ||
| 358 | { | ||
| 359 | #ifdef TEST_ENG_OPENSSL_SHA_OTHERS | ||
| 360 | fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for " | ||
| 361 | "nid %d\n", nid); | ||
| 362 | #endif | ||
| 363 | *digest = NULL; | ||
| 364 | return 0; | ||
| 365 | } | ||
| 366 | return 1; | ||
| 367 | } | ||
| 368 | #endif | ||
| 369 | |||
| 370 | #ifdef TEST_ENG_OPENSSL_PKEY | ||
| 371 | static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id, | ||
| 372 | UI_METHOD *ui_method, void *callback_data) | ||
| 373 | { | ||
| 374 | BIO *in; | ||
| 375 | EVP_PKEY *key; | ||
| 376 | fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n", key_id); | ||
| 377 | in = BIO_new_file(key_id, "r"); | ||
| 378 | if (!in) | ||
| 379 | return NULL; | ||
| 380 | key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL); | ||
| 381 | BIO_free(in); | ||
| 382 | return key; | ||
| 383 | } | ||
| 384 | #endif | ||
