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| 1 /* ssl/s3_enc.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 /* ==================================================================== | |
| 59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. | |
| 60 * | |
| 61 * Redistribution and use in source and binary forms, with or without | |
| 62 * modification, are permitted provided that the following conditions | |
| 63 * are met: | |
| 64 * | |
| 65 * 1. Redistributions of source code must retain the above copyright | |
| 66 * notice, this list of conditions and the following disclaimer. | |
| 67 * | |
| 68 * 2. Redistributions in binary form must reproduce the above copyright | |
| 69 * notice, this list of conditions and the following disclaimer in | |
| 70 * the documentation and/or other materials provided with the | |
| 71 * distribution. | |
| 72 * | |
| 73 * 3. All advertising materials mentioning features or use of this | |
| 74 * software must display the following acknowledgment: | |
| 75 * "This product includes software developed by the OpenSSL Project | |
| 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
| 77 * | |
| 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 79 * endorse or promote products derived from this software without | |
| 80 * prior written permission. For written permission, please contact | |
| 81 * openssl-core@openssl.org. | |
| 82 * | |
| 83 * 5. Products derived from this software may not be called "OpenSSL" | |
| 84 * nor may "OpenSSL" appear in their names without prior written | |
| 85 * permission of the OpenSSL Project. | |
| 86 * | |
| 87 * 6. Redistributions of any form whatsoever must retain the following | |
| 88 * acknowledgment: | |
| 89 * "This product includes software developed by the OpenSSL Project | |
| 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
| 91 * | |
| 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 103 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 104 * ==================================================================== | |
| 105 * | |
| 106 * This product includes cryptographic software written by Eric Young | |
| 107 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 108 * Hudson (tjh@cryptsoft.com). | |
| 109 * | |
| 110 */ | |
| 111 /* ==================================================================== | |
| 112 * Copyright 2005 Nokia. All rights reserved. | |
| 113 * | |
| 114 * The portions of the attached software ("Contribution") is developed by | |
| 115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
| 116 * license. | |
| 117 * | |
| 118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
| 119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
| 120 * support (see RFC 4279) to OpenSSL. | |
| 121 * | |
| 122 * No patent licenses or other rights except those expressly stated in | |
| 123 * the OpenSSL open source license shall be deemed granted or received | |
| 124 * expressly, by implication, estoppel, or otherwise. | |
| 125 * | |
| 126 * No assurances are provided by Nokia that the Contribution does not | |
| 127 * infringe the patent or other intellectual property rights of any third | |
| 128 * party or that the license provides you with all the necessary rights | |
| 129 * to make use of the Contribution. | |
| 130 * | |
| 131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
| 132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
| 133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
| 134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
| 135 * OTHERWISE. | |
| 136 */ | |
| 137 | |
| 138 #include <stdio.h> | |
| 139 #include "ssl_locl.h" | |
| 140 #include <openssl/evp.h> | |
| 141 #include <openssl/md5.h> | |
| 142 | |
| 143 static unsigned char ssl3_pad_1[48]={ | |
| 144 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
| 145 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
| 146 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
| 147 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
| 148 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
| 149 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36 }; | |
| 150 | |
| 151 static unsigned char ssl3_pad_2[48]={ | |
| 152 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
| 153 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
| 154 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
| 155 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
| 156 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
| 157 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c }; | |
| 158 static int ssl3_handshake_mac(SSL *s, int md_nid, | |
| 159 const char *sender, int len, unsigned char *p); | |
| 160 static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num) | |
| 161 { | |
| 162 EVP_MD_CTX m5; | |
| 163 EVP_MD_CTX s1; | |
| 164 unsigned char buf[16],smd[SHA_DIGEST_LENGTH]; | |
| 165 unsigned char c='A'; | |
| 166 unsigned int i,j,k; | |
| 167 | |
| 168 #ifdef CHARSET_EBCDIC | |
| 169 c = os_toascii[c]; /*'A' in ASCII */ | |
| 170 #endif | |
| 171 k=0; | |
| 172 EVP_MD_CTX_init(&m5); | |
| 173 EVP_MD_CTX_set_flags(&m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); | |
| 174 EVP_MD_CTX_init(&s1); | |
| 175 for (i=0; (int)i<num; i+=MD5_DIGEST_LENGTH) | |
| 176 { | |
| 177 k++; | |
| 178 if (k > sizeof buf) | |
| 179 { | |
| 180 /* bug: 'buf' is too small for this ciphersuite */ | |
| 181 SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERR
OR); | |
| 182 return 0; | |
| 183 } | |
| 184 | |
| 185 for (j=0; j<k; j++) | |
| 186 buf[j]=c; | |
| 187 c++; | |
| 188 EVP_DigestInit_ex(&s1,EVP_sha1(), NULL); | |
| 189 EVP_DigestUpdate(&s1,buf,k); | |
| 190 EVP_DigestUpdate(&s1,s->session->master_key, | |
| 191 s->session->master_key_length); | |
| 192 EVP_DigestUpdate(&s1,s->s3->server_random,SSL3_RANDOM_SIZE); | |
| 193 EVP_DigestUpdate(&s1,s->s3->client_random,SSL3_RANDOM_SIZE); | |
| 194 EVP_DigestFinal_ex(&s1,smd,NULL); | |
| 195 | |
| 196 EVP_DigestInit_ex(&m5,EVP_md5(), NULL); | |
| 197 EVP_DigestUpdate(&m5,s->session->master_key, | |
| 198 s->session->master_key_length); | |
| 199 EVP_DigestUpdate(&m5,smd,SHA_DIGEST_LENGTH); | |
| 200 if ((int)(i+MD5_DIGEST_LENGTH) > num) | |
| 201 { | |
| 202 EVP_DigestFinal_ex(&m5,smd,NULL); | |
| 203 memcpy(km,smd,(num-i)); | |
| 204 } | |
| 205 else | |
| 206 EVP_DigestFinal_ex(&m5,km,NULL); | |
| 207 | |
| 208 km+=MD5_DIGEST_LENGTH; | |
| 209 } | |
| 210 OPENSSL_cleanse(smd,SHA_DIGEST_LENGTH); | |
| 211 EVP_MD_CTX_cleanup(&m5); | |
| 212 EVP_MD_CTX_cleanup(&s1); | |
| 213 return 1; | |
| 214 } | |
| 215 | |
| 216 int ssl3_change_cipher_state(SSL *s, int which) | |
| 217 { | |
| 218 unsigned char *p,*mac_secret; | |
| 219 unsigned char exp_key[EVP_MAX_KEY_LENGTH]; | |
| 220 unsigned char exp_iv[EVP_MAX_IV_LENGTH]; | |
| 221 unsigned char *ms,*key,*iv,*er1,*er2; | |
| 222 EVP_CIPHER_CTX *dd; | |
| 223 const EVP_CIPHER *c; | |
| 224 #ifndef OPENSSL_NO_COMP | |
| 225 COMP_METHOD *comp; | |
| 226 #endif | |
| 227 const EVP_MD *m; | |
| 228 EVP_MD_CTX md; | |
| 229 int is_exp,n,i,j,k,cl; | |
| 230 int reuse_dd = 0; | |
| 231 | |
| 232 is_exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); | |
| 233 c=s->s3->tmp.new_sym_enc; | |
| 234 m=s->s3->tmp.new_hash; | |
| 235 /* m == NULL will lead to a crash later */ | |
| 236 OPENSSL_assert(m); | |
| 237 #ifndef OPENSSL_NO_COMP | |
| 238 if (s->s3->tmp.new_compression == NULL) | |
| 239 comp=NULL; | |
| 240 else | |
| 241 comp=s->s3->tmp.new_compression->method; | |
| 242 #endif | |
| 243 | |
| 244 if (which & SSL3_CC_READ) | |
| 245 { | |
| 246 if (s->enc_read_ctx != NULL) | |
| 247 reuse_dd = 1; | |
| 248 else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))
) == NULL) | |
| 249 goto err; | |
| 250 else | |
| 251 /* make sure it's intialized in case we exit later with
an error */ | |
| 252 EVP_CIPHER_CTX_init(s->enc_read_ctx); | |
| 253 dd= s->enc_read_ctx; | |
| 254 | |
| 255 ssl_replace_hash(&s->read_hash,m); | |
| 256 #ifndef OPENSSL_NO_COMP | |
| 257 /* COMPRESS */ | |
| 258 if (s->expand != NULL) | |
| 259 { | |
| 260 COMP_CTX_free(s->expand); | |
| 261 s->expand=NULL; | |
| 262 } | |
| 263 if (comp != NULL) | |
| 264 { | |
| 265 s->expand=COMP_CTX_new(comp); | |
| 266 if (s->expand == NULL) | |
| 267 { | |
| 268 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMP
RESSION_LIBRARY_ERROR); | |
| 269 goto err2; | |
| 270 } | |
| 271 if (s->s3->rrec.comp == NULL) | |
| 272 s->s3->rrec.comp=(unsigned char *) | |
| 273 OPENSSL_malloc(SSL3_RT_MAX_PLAIN_LENGTH)
; | |
| 274 if (s->s3->rrec.comp == NULL) | |
| 275 goto err; | |
| 276 } | |
| 277 #endif | |
| 278 memset(&(s->s3->read_sequence[0]),0,8); | |
| 279 mac_secret= &(s->s3->read_mac_secret[0]); | |
| 280 } | |
| 281 else | |
| 282 { | |
| 283 if (s->enc_write_ctx != NULL) | |
| 284 reuse_dd = 1; | |
| 285 else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX)
)) == NULL) | |
| 286 goto err; | |
| 287 else | |
| 288 /* make sure it's intialized in case we exit later with
an error */ | |
| 289 EVP_CIPHER_CTX_init(s->enc_write_ctx); | |
| 290 dd= s->enc_write_ctx; | |
| 291 ssl_replace_hash(&s->write_hash,m); | |
| 292 #ifndef OPENSSL_NO_COMP | |
| 293 /* COMPRESS */ | |
| 294 if (s->compress != NULL) | |
| 295 { | |
| 296 COMP_CTX_free(s->compress); | |
| 297 s->compress=NULL; | |
| 298 } | |
| 299 if (comp != NULL) | |
| 300 { | |
| 301 s->compress=COMP_CTX_new(comp); | |
| 302 if (s->compress == NULL) | |
| 303 { | |
| 304 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMP
RESSION_LIBRARY_ERROR); | |
| 305 goto err2; | |
| 306 } | |
| 307 } | |
| 308 #endif | |
| 309 memset(&(s->s3->write_sequence[0]),0,8); | |
| 310 mac_secret= &(s->s3->write_mac_secret[0]); | |
| 311 } | |
| 312 | |
| 313 if (reuse_dd) | |
| 314 EVP_CIPHER_CTX_cleanup(dd); | |
| 315 | |
| 316 p=s->s3->tmp.key_block; | |
| 317 i=EVP_MD_size(m); | |
| 318 if (i < 0) | |
| 319 goto err2; | |
| 320 cl=EVP_CIPHER_key_length(c); | |
| 321 j=is_exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ? | |
| 322 cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl; | |
| 323 /* Was j=(is_exp)?5:EVP_CIPHER_key_length(c); */ | |
| 324 k=EVP_CIPHER_iv_length(c); | |
| 325 if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || | |
| 326 (which == SSL3_CHANGE_CIPHER_SERVER_READ)) | |
| 327 { | |
| 328 ms= &(p[ 0]); n=i+i; | |
| 329 key= &(p[ n]); n+=j+j; | |
| 330 iv= &(p[ n]); n+=k+k; | |
| 331 er1= &(s->s3->client_random[0]); | |
| 332 er2= &(s->s3->server_random[0]); | |
| 333 } | |
| 334 else | |
| 335 { | |
| 336 n=i; | |
| 337 ms= &(p[ n]); n+=i+j; | |
| 338 key= &(p[ n]); n+=j+k; | |
| 339 iv= &(p[ n]); n+=k; | |
| 340 er1= &(s->s3->server_random[0]); | |
| 341 er2= &(s->s3->client_random[0]); | |
| 342 } | |
| 343 | |
| 344 if (n > s->s3->tmp.key_block_length) | |
| 345 { | |
| 346 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR); | |
| 347 goto err2; | |
| 348 } | |
| 349 | |
| 350 EVP_MD_CTX_init(&md); | |
| 351 memcpy(mac_secret,ms,i); | |
| 352 if (is_exp) | |
| 353 { | |
| 354 /* In here I set both the read and write key/iv to the | |
| 355 * same value since only the correct one will be used :-). | |
| 356 */ | |
| 357 EVP_DigestInit_ex(&md,EVP_md5(), NULL); | |
| 358 EVP_DigestUpdate(&md,key,j); | |
| 359 EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE); | |
| 360 EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE); | |
| 361 EVP_DigestFinal_ex(&md,&(exp_key[0]),NULL); | |
| 362 key= &(exp_key[0]); | |
| 363 | |
| 364 if (k > 0) | |
| 365 { | |
| 366 EVP_DigestInit_ex(&md,EVP_md5(), NULL); | |
| 367 EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE); | |
| 368 EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE); | |
| 369 EVP_DigestFinal_ex(&md,&(exp_iv[0]),NULL); | |
| 370 iv= &(exp_iv[0]); | |
| 371 } | |
| 372 } | |
| 373 | |
| 374 s->session->key_arg_length=0; | |
| 375 | |
| 376 EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE)); | |
| 377 | |
| 378 OPENSSL_cleanse(&(exp_key[0]),sizeof(exp_key)); | |
| 379 OPENSSL_cleanse(&(exp_iv[0]),sizeof(exp_iv)); | |
| 380 EVP_MD_CTX_cleanup(&md); | |
| 381 return(1); | |
| 382 err: | |
| 383 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE); | |
| 384 err2: | |
| 385 return(0); | |
| 386 } | |
| 387 | |
| 388 int ssl3_setup_key_block(SSL *s) | |
| 389 { | |
| 390 unsigned char *p; | |
| 391 const EVP_CIPHER *c; | |
| 392 const EVP_MD *hash; | |
| 393 int num; | |
| 394 int ret = 0; | |
| 395 SSL_COMP *comp; | |
| 396 | |
| 397 if (s->s3->tmp.key_block_length != 0) | |
| 398 return(1); | |
| 399 | |
| 400 if (!ssl_cipher_get_comp(s->session, &comp)) | |
| 401 { | |
| 402 SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILAB
LE); | |
| 403 return(0); | |
| 404 } | |
| 405 | |
| 406 if (!ssl_cipher_get_evp(s->session,&c,&hash,NULL,NULL)) | |
| 407 { | |
| 408 SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILAB
LE); | |
| 409 return(0); | |
| 410 } | |
| 411 | |
| 412 s->s3->tmp.new_sym_enc=c; | |
| 413 s->s3->tmp.new_hash=hash; | |
| 414 #ifdef OPENSSL_NO_COMP | |
| 415 s->s3->tmp.new_compression=NULL; | |
| 416 #else | |
| 417 s->s3->tmp.new_compression=comp; | |
| 418 #endif | |
| 419 | |
| 420 num=EVP_MD_size(hash); | |
| 421 if (num < 0) | |
| 422 return 0; | |
| 423 | |
| 424 num=EVP_CIPHER_key_length(c)+num+EVP_CIPHER_iv_length(c); | |
| 425 num*=2; | |
| 426 | |
| 427 ssl3_cleanup_key_block(s); | |
| 428 | |
| 429 if ((p=OPENSSL_malloc(num)) == NULL) | |
| 430 goto err; | |
| 431 | |
| 432 s->s3->tmp.key_block_length=num; | |
| 433 s->s3->tmp.key_block=p; | |
| 434 | |
| 435 ret = ssl3_generate_key_block(s,p,num); | |
| 436 | |
| 437 if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) | |
| 438 { | |
| 439 /* enable vulnerability countermeasure for CBC ciphers with | |
| 440 * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) | |
| 441 */ | |
| 442 s->s3->need_empty_fragments = 1; | |
| 443 | |
| 444 if (s->session->cipher != NULL) | |
| 445 { | |
| 446 if (s->session->cipher->algorithm_enc == SSL_eNULL) | |
| 447 s->s3->need_empty_fragments = 0; | |
| 448 | |
| 449 #ifndef OPENSSL_NO_RC4 | |
| 450 if (s->session->cipher->algorithm_enc == SSL_RC4) | |
| 451 s->s3->need_empty_fragments = 0; | |
| 452 #endif | |
| 453 } | |
| 454 } | |
| 455 | |
| 456 return ret; | |
| 457 | |
| 458 err: | |
| 459 SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE); | |
| 460 return(0); | |
| 461 } | |
| 462 | |
| 463 void ssl3_cleanup_key_block(SSL *s) | |
| 464 { | |
| 465 if (s->s3->tmp.key_block != NULL) | |
| 466 { | |
| 467 OPENSSL_cleanse(s->s3->tmp.key_block, | |
| 468 s->s3->tmp.key_block_length); | |
| 469 OPENSSL_free(s->s3->tmp.key_block); | |
| 470 s->s3->tmp.key_block=NULL; | |
| 471 } | |
| 472 s->s3->tmp.key_block_length=0; | |
| 473 } | |
| 474 | |
| 475 /* ssl3_enc encrypts/decrypts the record in |s->wrec| / |s->rrec|, respectively. | |
| 476 * | |
| 477 * Returns: | |
| 478 * 0: (in non-constant time) if the record is publically invalid (i.e. too | |
| 479 * short etc). | |
| 480 * 1: if the record's padding is valid / the encryption was successful. | |
| 481 * -1: if the record's padding is invalid or, if sending, an internal error | |
| 482 * occured. | |
| 483 */ | |
| 484 int ssl3_enc(SSL *s, int send) | |
| 485 { | |
| 486 SSL3_RECORD *rec; | |
| 487 EVP_CIPHER_CTX *ds; | |
| 488 unsigned long l; | |
| 489 int bs,i,mac_size=0; | |
| 490 const EVP_CIPHER *enc; | |
| 491 | |
| 492 if (send) | |
| 493 { | |
| 494 ds=s->enc_write_ctx; | |
| 495 rec= &(s->s3->wrec); | |
| 496 if (s->enc_write_ctx == NULL) | |
| 497 enc=NULL; | |
| 498 else | |
| 499 enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx); | |
| 500 } | |
| 501 else | |
| 502 { | |
| 503 ds=s->enc_read_ctx; | |
| 504 rec= &(s->s3->rrec); | |
| 505 if (s->enc_read_ctx == NULL) | |
| 506 enc=NULL; | |
| 507 else | |
| 508 enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx); | |
| 509 } | |
| 510 | |
| 511 if ((s->session == NULL) || (ds == NULL) || | |
| 512 (enc == NULL)) | |
| 513 { | |
| 514 memmove(rec->data,rec->input,rec->length); | |
| 515 rec->input=rec->data; | |
| 516 } | |
| 517 else | |
| 518 { | |
| 519 l=rec->length; | |
| 520 bs=EVP_CIPHER_block_size(ds->cipher); | |
| 521 | |
| 522 /* COMPRESS */ | |
| 523 | |
| 524 if ((bs != 1) && send) | |
| 525 { | |
| 526 i=bs-((int)l%bs); | |
| 527 | |
| 528 /* we need to add 'i-1' padding bytes */ | |
| 529 l+=i; | |
| 530 /* the last of these zero bytes will be overwritten | |
| 531 * with the padding length. */ | |
| 532 memset(&rec->input[rec->length], 0, i); | |
| 533 rec->length+=i; | |
| 534 rec->input[l-1]=(i-1); | |
| 535 } | |
| 536 | |
| 537 if (!send) | |
| 538 { | |
| 539 if (l == 0 || l%bs != 0) | |
| 540 return 0; | |
| 541 /* otherwise, rec->length >= bs */ | |
| 542 } | |
| 543 | |
| 544 EVP_Cipher(ds,rec->data,rec->input,l); | |
| 545 | |
| 546 if (EVP_MD_CTX_md(s->read_hash) != NULL) | |
| 547 mac_size = EVP_MD_CTX_size(s->read_hash); | |
| 548 if ((bs != 1) && !send) | |
| 549 return ssl3_cbc_remove_padding(s, rec, bs, mac_size); | |
| 550 } | |
| 551 return(1); | |
| 552 } | |
| 553 | |
| 554 void ssl3_init_finished_mac(SSL *s) | |
| 555 { | |
| 556 if (s->s3->handshake_buffer) BIO_free(s->s3->handshake_buffer); | |
| 557 if (s->s3->handshake_dgst) ssl3_free_digest_list(s); | |
| 558 s->s3->handshake_buffer=BIO_new(BIO_s_mem()); | |
| 559 (void)BIO_set_close(s->s3->handshake_buffer,BIO_CLOSE); | |
| 560 } | |
| 561 | |
| 562 void ssl3_free_digest_list(SSL *s) | |
| 563 { | |
| 564 int i; | |
| 565 if (!s->s3->handshake_dgst) return; | |
| 566 for (i=0;i<SSL_MAX_DIGEST;i++) | |
| 567 { | |
| 568 if (s->s3->handshake_dgst[i]) | |
| 569 EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]); | |
| 570 } | |
| 571 OPENSSL_free(s->s3->handshake_dgst); | |
| 572 s->s3->handshake_dgst=NULL; | |
| 573 } | |
| 574 | |
| 575 | |
| 576 | |
| 577 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len) | |
| 578 { | |
| 579 if (s->s3->handshake_buffer && !(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAK
E)) | |
| 580 { | |
| 581 BIO_write (s->s3->handshake_buffer,(void *)buf,len); | |
| 582 } | |
| 583 else | |
| 584 { | |
| 585 int i; | |
| 586 for (i=0;i< SSL_MAX_DIGEST;i++) | |
| 587 { | |
| 588 if (s->s3->handshake_dgst[i]!= NULL) | |
| 589 EVP_DigestUpdate(s->s3->handshake_dgst[i],buf,len); | |
| 590 } | |
| 591 } | |
| 592 } | |
| 593 | |
| 594 int ssl3_digest_cached_records(SSL *s) | |
| 595 { | |
| 596 int i; | |
| 597 long mask; | |
| 598 const EVP_MD *md; | |
| 599 long hdatalen; | |
| 600 void *hdata; | |
| 601 | |
| 602 /* Allocate handshake_dgst array */ | |
| 603 ssl3_free_digest_list(s); | |
| 604 s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CT
X *)); | |
| 605 memset(s->s3->handshake_dgst,0,SSL_MAX_DIGEST *sizeof(EVP_MD_CTX *)); | |
| 606 hdatalen = BIO_get_mem_data(s->s3->handshake_buffer,&hdata); | |
| 607 if (hdatalen <= 0) | |
| 608 { | |
| 609 SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LEN
GTH); | |
| 610 return 0; | |
| 611 } | |
| 612 | |
| 613 /* Loop through bitso of algorithm2 field and create MD_CTX-es */ | |
| 614 for (i=0;ssl_get_handshake_digest(i,&mask,&md); i++) | |
| 615 { | |
| 616 if ((mask & ssl_get_algorithm2(s)) && md) | |
| 617 { | |
| 618 s->s3->handshake_dgst[i]=EVP_MD_CTX_create(); | |
| 619 #ifdef OPENSSL_FIPS | |
| 620 if (EVP_MD_nid(md) == NID_md5) | |
| 621 { | |
| 622 EVP_MD_CTX_set_flags(s->s3->handshake_dgst[i], | |
| 623 EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); | |
| 624 } | |
| 625 #endif | |
| 626 EVP_DigestInit_ex(s->s3->handshake_dgst[i],md,NULL); | |
| 627 EVP_DigestUpdate(s->s3->handshake_dgst[i],hdata,hdatalen
); | |
| 628 } | |
| 629 else | |
| 630 { | |
| 631 s->s3->handshake_dgst[i]=NULL; | |
| 632 } | |
| 633 } | |
| 634 if (!(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAKE)) | |
| 635 { | |
| 636 /* Free handshake_buffer BIO */ | |
| 637 BIO_free(s->s3->handshake_buffer); | |
| 638 s->s3->handshake_buffer = NULL; | |
| 639 } | |
| 640 | |
| 641 return 1; | |
| 642 } | |
| 643 | |
| 644 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p) | |
| 645 { | |
| 646 return(ssl3_handshake_mac(s,md_nid,NULL,0,p)); | |
| 647 } | |
| 648 int ssl3_final_finish_mac(SSL *s, | |
| 649 const char *sender, int len, unsigned char *p) | |
| 650 { | |
| 651 int ret; | |
| 652 ret=ssl3_handshake_mac(s,NID_md5,sender,len,p); | |
| 653 p+=ret; | |
| 654 ret+=ssl3_handshake_mac(s,NID_sha1,sender,len,p); | |
| 655 return(ret); | |
| 656 } | |
| 657 static int ssl3_handshake_mac(SSL *s, int md_nid, | |
| 658 const char *sender, int len, unsigned char *p) | |
| 659 { | |
| 660 unsigned int ret; | |
| 661 int npad,n; | |
| 662 unsigned int i; | |
| 663 unsigned char md_buf[EVP_MAX_MD_SIZE]; | |
| 664 EVP_MD_CTX ctx,*d=NULL; | |
| 665 | |
| 666 if (s->s3->handshake_buffer) | |
| 667 if (!ssl3_digest_cached_records(s)) | |
| 668 return 0; | |
| 669 | |
| 670 /* Search for digest of specified type in the handshake_dgst | |
| 671 * array*/ | |
| 672 for (i=0;i<SSL_MAX_DIGEST;i++) | |
| 673 { | |
| 674 if (s->s3->handshake_dgst[i]&&EVP_MD_CTX_type(s->s3->handshake
_dgst[i])==md_nid) | |
| 675 { | |
| 676 d=s->s3->handshake_dgst[i]; | |
| 677 break; | |
| 678 } | |
| 679 } | |
| 680 if (!d) { | |
| 681 SSLerr(SSL_F_SSL3_HANDSHAKE_MAC,SSL_R_NO_REQUIRED_DIGEST); | |
| 682 return 0; | |
| 683 } | |
| 684 EVP_MD_CTX_init(&ctx); | |
| 685 EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); | |
| 686 EVP_MD_CTX_copy_ex(&ctx,d); | |
| 687 n=EVP_MD_CTX_size(&ctx); | |
| 688 if (n < 0) | |
| 689 return 0; | |
| 690 | |
| 691 npad=(48/n)*n; | |
| 692 if (sender != NULL) | |
| 693 EVP_DigestUpdate(&ctx,sender,len); | |
| 694 EVP_DigestUpdate(&ctx,s->session->master_key, | |
| 695 s->session->master_key_length); | |
| 696 EVP_DigestUpdate(&ctx,ssl3_pad_1,npad); | |
| 697 EVP_DigestFinal_ex(&ctx,md_buf,&i); | |
| 698 | |
| 699 EVP_DigestInit_ex(&ctx,EVP_MD_CTX_md(&ctx), NULL); | |
| 700 EVP_DigestUpdate(&ctx,s->session->master_key, | |
| 701 s->session->master_key_length); | |
| 702 EVP_DigestUpdate(&ctx,ssl3_pad_2,npad); | |
| 703 EVP_DigestUpdate(&ctx,md_buf,i); | |
| 704 EVP_DigestFinal_ex(&ctx,p,&ret); | |
| 705 | |
| 706 EVP_MD_CTX_cleanup(&ctx); | |
| 707 | |
| 708 return((int)ret); | |
| 709 } | |
| 710 | |
| 711 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send) | |
| 712 { | |
| 713 SSL3_RECORD *rec; | |
| 714 unsigned char *mac_sec,*seq; | |
| 715 EVP_MD_CTX md_ctx; | |
| 716 const EVP_MD_CTX *hash; | |
| 717 unsigned char *p,rec_char; | |
| 718 size_t md_size, orig_len; | |
| 719 int npad; | |
| 720 int t; | |
| 721 | |
| 722 if (send) | |
| 723 { | |
| 724 rec= &(ssl->s3->wrec); | |
| 725 mac_sec= &(ssl->s3->write_mac_secret[0]); | |
| 726 seq= &(ssl->s3->write_sequence[0]); | |
| 727 hash=ssl->write_hash; | |
| 728 } | |
| 729 else | |
| 730 { | |
| 731 rec= &(ssl->s3->rrec); | |
| 732 mac_sec= &(ssl->s3->read_mac_secret[0]); | |
| 733 seq= &(ssl->s3->read_sequence[0]); | |
| 734 hash=ssl->read_hash; | |
| 735 } | |
| 736 | |
| 737 t=EVP_MD_CTX_size(hash); | |
| 738 if (t < 0) | |
| 739 return -1; | |
| 740 md_size=t; | |
| 741 npad=(48/md_size)*md_size; | |
| 742 | |
| 743 /* kludge: ssl3_cbc_remove_padding passes padding length in rec->type */ | |
| 744 orig_len = rec->length+md_size+((unsigned int)rec->type>>8); | |
| 745 rec->type &= 0xff; | |
| 746 | |
| 747 if (!send && | |
| 748 EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE && | |
| 749 ssl3_cbc_record_digest_supported(hash)) | |
| 750 { | |
| 751 /* This is a CBC-encrypted record. We must avoid leaking any | |
| 752 * timing-side channel information about how many blocks of | |
| 753 * data we are hashing because that gives an attacker a | |
| 754 * timing-oracle. */ | |
| 755 | |
| 756 /* npad is, at most, 48 bytes and that's with MD5: | |
| 757 * 16 + 48 + 8 (sequence bytes) + 1 + 2 = 75. | |
| 758 * | |
| 759 * With SHA-1 (the largest hash speced for SSLv3) the hash size | |
| 760 * goes up 4, but npad goes down by 8, resulting in a smaller | |
| 761 * total size. */ | |
| 762 unsigned char header[75]; | |
| 763 unsigned j = 0; | |
| 764 memcpy(header+j, mac_sec, md_size); | |
| 765 j += md_size; | |
| 766 memcpy(header+j, ssl3_pad_1, npad); | |
| 767 j += npad; | |
| 768 memcpy(header+j, seq, 8); | |
| 769 j += 8; | |
| 770 header[j++] = rec->type; | |
| 771 header[j++] = rec->length >> 8; | |
| 772 header[j++] = rec->length & 0xff; | |
| 773 | |
| 774 ssl3_cbc_digest_record( | |
| 775 hash, | |
| 776 md, &md_size, | |
| 777 header, rec->input, | |
| 778 rec->length + md_size, orig_len, | |
| 779 mac_sec, md_size, | |
| 780 1 /* is SSLv3 */); | |
| 781 } | |
| 782 else | |
| 783 { | |
| 784 unsigned int md_size_u; | |
| 785 /* Chop the digest off the end :-) */ | |
| 786 EVP_MD_CTX_init(&md_ctx); | |
| 787 | |
| 788 EVP_MD_CTX_copy_ex( &md_ctx,hash); | |
| 789 EVP_DigestUpdate(&md_ctx,mac_sec,md_size); | |
| 790 EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad); | |
| 791 EVP_DigestUpdate(&md_ctx,seq,8); | |
| 792 rec_char=rec->type; | |
| 793 EVP_DigestUpdate(&md_ctx,&rec_char,1); | |
| 794 p=md; | |
| 795 s2n(rec->length,p); | |
| 796 EVP_DigestUpdate(&md_ctx,md,2); | |
| 797 EVP_DigestUpdate(&md_ctx,rec->input,rec->length); | |
| 798 EVP_DigestFinal_ex( &md_ctx,md,NULL); | |
| 799 | |
| 800 EVP_MD_CTX_copy_ex( &md_ctx,hash); | |
| 801 EVP_DigestUpdate(&md_ctx,mac_sec,md_size); | |
| 802 EVP_DigestUpdate(&md_ctx,ssl3_pad_2,npad); | |
| 803 EVP_DigestUpdate(&md_ctx,md,md_size); | |
| 804 EVP_DigestFinal_ex( &md_ctx,md,&md_size_u); | |
| 805 md_size = md_size_u; | |
| 806 | |
| 807 EVP_MD_CTX_cleanup(&md_ctx); | |
| 808 } | |
| 809 | |
| 810 ssl3_record_sequence_update(seq); | |
| 811 return(md_size); | |
| 812 } | |
| 813 | |
| 814 void ssl3_record_sequence_update(unsigned char *seq) | |
| 815 { | |
| 816 int i; | |
| 817 | |
| 818 for (i=7; i>=0; i--) | |
| 819 { | |
| 820 ++seq[i]; | |
| 821 if (seq[i] != 0) break; | |
| 822 } | |
| 823 } | |
| 824 | |
| 825 int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, | |
| 826 int len) | |
| 827 { | |
| 828 static const unsigned char *salt[3]={ | |
| 829 #ifndef CHARSET_EBCDIC | |
| 830 (const unsigned char *)"A", | |
| 831 (const unsigned char *)"BB", | |
| 832 (const unsigned char *)"CCC", | |
| 833 #else | |
| 834 (const unsigned char *)"\x41", | |
| 835 (const unsigned char *)"\x42\x42", | |
| 836 (const unsigned char *)"\x43\x43\x43", | |
| 837 #endif | |
| 838 }; | |
| 839 unsigned char buf[EVP_MAX_MD_SIZE]; | |
| 840 EVP_MD_CTX ctx; | |
| 841 int i,ret=0; | |
| 842 unsigned int n; | |
| 843 | |
| 844 EVP_MD_CTX_init(&ctx); | |
| 845 for (i=0; i<3; i++) | |
| 846 { | |
| 847 EVP_DigestInit_ex(&ctx,s->ctx->sha1, NULL); | |
| 848 EVP_DigestUpdate(&ctx,salt[i],strlen((const char *)salt[i])); | |
| 849 EVP_DigestUpdate(&ctx,p,len); | |
| 850 EVP_DigestUpdate(&ctx,&(s->s3->client_random[0]), | |
| 851 SSL3_RANDOM_SIZE); | |
| 852 EVP_DigestUpdate(&ctx,&(s->s3->server_random[0]), | |
| 853 SSL3_RANDOM_SIZE); | |
| 854 EVP_DigestFinal_ex(&ctx,buf,&n); | |
| 855 | |
| 856 EVP_DigestInit_ex(&ctx,s->ctx->md5, NULL); | |
| 857 EVP_DigestUpdate(&ctx,p,len); | |
| 858 EVP_DigestUpdate(&ctx,buf,n); | |
| 859 EVP_DigestFinal_ex(&ctx,out,&n); | |
| 860 out+=n; | |
| 861 ret+=n; | |
| 862 } | |
| 863 EVP_MD_CTX_cleanup(&ctx); | |
| 864 return(ret); | |
| 865 } | |
| 866 | |
| 867 int ssl3_alert_code(int code) | |
| 868 { | |
| 869 switch (code) | |
| 870 { | |
| 871 case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY); | |
| 872 case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE); | |
| 873 case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC); | |
| 874 case SSL_AD_DECRYPTION_FAILED: return(SSL3_AD_BAD_RECORD_MAC); | |
| 875 case SSL_AD_RECORD_OVERFLOW: return(SSL3_AD_BAD_RECORD_MAC); | |
| 876 case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE); | |
| 877 case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 878 case SSL_AD_NO_CERTIFICATE: return(SSL3_AD_NO_CERTIFICATE); | |
| 879 case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE); | |
| 880 case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICA
TE); | |
| 881 case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED); | |
| 882 case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED); | |
| 883 case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN); | |
| 884 case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER); | |
| 885 case SSL_AD_UNKNOWN_CA: return(SSL3_AD_BAD_CERTIFICATE); | |
| 886 case SSL_AD_ACCESS_DENIED: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 887 case SSL_AD_DECODE_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 888 case SSL_AD_DECRYPT_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 889 case SSL_AD_EXPORT_RESTRICTION: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 890 case SSL_AD_PROTOCOL_VERSION: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 891 case SSL_AD_INSUFFICIENT_SECURITY:return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 892 case SSL_AD_INTERNAL_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 893 case SSL_AD_USER_CANCELLED: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 894 case SSL_AD_NO_RENEGOTIATION: return(-1); /* Don't send it :-) */ | |
| 895 case SSL_AD_UNSUPPORTED_EXTENSION: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 896 case SSL_AD_CERTIFICATE_UNOBTAINABLE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 897 case SSL_AD_UNRECOGNIZED_NAME: return(SSL3_AD_HANDSHAKE_FAILURE); | |
| 898 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(SSL3_AD_HANDSHAKE_FA
ILURE); | |
| 899 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(SSL3_AD_HANDSHAKE_FAILURE
); | |
| 900 case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY); | |
| 901 default: return(-1); | |
| 902 } | |
| 903 } | |
| 904 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master