1 /* $OpenBSD: s3_lib.c,v 1.170 2018/09/06 16:40:45 jsing Exp $ */ 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 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * 114 * Portions of the attached software ("Contribution") are developed by 115 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. 116 * 117 * The Contribution is licensed pursuant to the OpenSSL open source 118 * license provided above. 119 * 120 * ECC cipher suite support in OpenSSL originally written by 121 * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories. 122 * 123 */ 124 /* ==================================================================== 125 * Copyright 2005 Nokia. All rights reserved. 126 * 127 * The portions of the attached software ("Contribution") is developed by 128 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 129 * license. 130 * 131 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 132 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 133 * support (see RFC 4279) to OpenSSL. 134 * 135 * No patent licenses or other rights except those expressly stated in 136 * the OpenSSL open source license shall be deemed granted or received 137 * expressly, by implication, estoppel, or otherwise. 138 * 139 * No assurances are provided by Nokia that the Contribution does not 140 * infringe the patent or other intellectual property rights of any third 141 * party or that the license provides you with all the necessary rights 142 * to make use of the Contribution. 143 * 144 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 145 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 146 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 147 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 148 * OTHERWISE. 149 */ 150 151 #include <limits.h> 152 #include <stdio.h> 153 154 #include <openssl/bn.h> 155 #include <openssl/curve25519.h> 156 #include <openssl/dh.h> 157 #include <openssl/md5.h> 158 #include <openssl/objects.h> 159 160 #include "ssl_locl.h" 161 #include "bytestring.h" 162 163 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers) / sizeof(SSL_CIPHER)) 164 165 /* 166 * FIXED_NONCE_LEN is a macro that provides in the correct value to set the 167 * fixed nonce length in algorithms2. It is the inverse of the 168 * SSL_CIPHER_AEAD_FIXED_NONCE_LEN macro. 169 */ 170 #define FIXED_NONCE_LEN(x) (((x / 2) & 0xf) << 24) 171 172 /* list of available SSLv3 ciphers (sorted by id) */ 173 SSL_CIPHER ssl3_ciphers[] = { 174 175 /* The RSA ciphers */ 176 /* Cipher 01 */ 177 { 178 .valid = 1, 179 .name = SSL3_TXT_RSA_NULL_MD5, 180 .id = SSL3_CK_RSA_NULL_MD5, 181 .algorithm_mkey = SSL_kRSA, 182 .algorithm_auth = SSL_aRSA, 183 .algorithm_enc = SSL_eNULL, 184 .algorithm_mac = SSL_MD5, 185 .algorithm_ssl = SSL_SSLV3, 186 .algo_strength = SSL_STRONG_NONE, 187 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 188 .strength_bits = 0, 189 .alg_bits = 0, 190 }, 191 192 /* Cipher 02 */ 193 { 194 .valid = 1, 195 .name = SSL3_TXT_RSA_NULL_SHA, 196 .id = SSL3_CK_RSA_NULL_SHA, 197 .algorithm_mkey = SSL_kRSA, 198 .algorithm_auth = SSL_aRSA, 199 .algorithm_enc = SSL_eNULL, 200 .algorithm_mac = SSL_SHA1, 201 .algorithm_ssl = SSL_SSLV3, 202 .algo_strength = SSL_STRONG_NONE, 203 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 204 .strength_bits = 0, 205 .alg_bits = 0, 206 }, 207 208 /* Cipher 04 */ 209 { 210 .valid = 1, 211 .name = SSL3_TXT_RSA_RC4_128_MD5, 212 .id = SSL3_CK_RSA_RC4_128_MD5, 213 .algorithm_mkey = SSL_kRSA, 214 .algorithm_auth = SSL_aRSA, 215 .algorithm_enc = SSL_RC4, 216 .algorithm_mac = SSL_MD5, 217 .algorithm_ssl = SSL_SSLV3, 218 .algo_strength = SSL_LOW, 219 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 220 .strength_bits = 128, 221 .alg_bits = 128, 222 }, 223 224 /* Cipher 05 */ 225 { 226 .valid = 1, 227 .name = SSL3_TXT_RSA_RC4_128_SHA, 228 .id = SSL3_CK_RSA_RC4_128_SHA, 229 .algorithm_mkey = SSL_kRSA, 230 .algorithm_auth = SSL_aRSA, 231 .algorithm_enc = SSL_RC4, 232 .algorithm_mac = SSL_SHA1, 233 .algorithm_ssl = SSL_SSLV3, 234 .algo_strength = SSL_LOW, 235 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 236 .strength_bits = 128, 237 .alg_bits = 128, 238 }, 239 240 /* Cipher 0A */ 241 { 242 .valid = 1, 243 .name = SSL3_TXT_RSA_DES_192_CBC3_SHA, 244 .id = SSL3_CK_RSA_DES_192_CBC3_SHA, 245 .algorithm_mkey = SSL_kRSA, 246 .algorithm_auth = SSL_aRSA, 247 .algorithm_enc = SSL_3DES, 248 .algorithm_mac = SSL_SHA1, 249 .algorithm_ssl = SSL_SSLV3, 250 .algo_strength = SSL_MEDIUM, 251 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 252 .strength_bits = 112, 253 .alg_bits = 168, 254 }, 255 256 /* 257 * Ephemeral DH (DHE) ciphers. 258 */ 259 260 /* Cipher 16 */ 261 { 262 .valid = 1, 263 .name = SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, 264 .id = SSL3_CK_EDH_RSA_DES_192_CBC3_SHA, 265 .algorithm_mkey = SSL_kDHE, 266 .algorithm_auth = SSL_aRSA, 267 .algorithm_enc = SSL_3DES, 268 .algorithm_mac = SSL_SHA1, 269 .algorithm_ssl = SSL_SSLV3, 270 .algo_strength = SSL_MEDIUM, 271 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 272 .strength_bits = 112, 273 .alg_bits = 168, 274 }, 275 276 /* Cipher 18 */ 277 { 278 .valid = 1, 279 .name = SSL3_TXT_ADH_RC4_128_MD5, 280 .id = SSL3_CK_ADH_RC4_128_MD5, 281 .algorithm_mkey = SSL_kDHE, 282 .algorithm_auth = SSL_aNULL, 283 .algorithm_enc = SSL_RC4, 284 .algorithm_mac = SSL_MD5, 285 .algorithm_ssl = SSL_SSLV3, 286 .algo_strength = SSL_LOW, 287 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 288 .strength_bits = 128, 289 .alg_bits = 128, 290 }, 291 292 /* Cipher 1B */ 293 { 294 .valid = 1, 295 .name = SSL3_TXT_ADH_DES_192_CBC_SHA, 296 .id = SSL3_CK_ADH_DES_192_CBC_SHA, 297 .algorithm_mkey = SSL_kDHE, 298 .algorithm_auth = SSL_aNULL, 299 .algorithm_enc = SSL_3DES, 300 .algorithm_mac = SSL_SHA1, 301 .algorithm_ssl = SSL_SSLV3, 302 .algo_strength = SSL_MEDIUM, 303 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 304 .strength_bits = 112, 305 .alg_bits = 168, 306 }, 307 308 /* 309 * AES ciphersuites. 310 */ 311 312 /* Cipher 2F */ 313 { 314 .valid = 1, 315 .name = TLS1_TXT_RSA_WITH_AES_128_SHA, 316 .id = TLS1_CK_RSA_WITH_AES_128_SHA, 317 .algorithm_mkey = SSL_kRSA, 318 .algorithm_auth = SSL_aRSA, 319 .algorithm_enc = SSL_AES128, 320 .algorithm_mac = SSL_SHA1, 321 .algorithm_ssl = SSL_TLSV1, 322 .algo_strength = SSL_HIGH, 323 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 324 .strength_bits = 128, 325 .alg_bits = 128, 326 }, 327 328 /* Cipher 33 */ 329 { 330 .valid = 1, 331 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA, 332 .id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA, 333 .algorithm_mkey = SSL_kDHE, 334 .algorithm_auth = SSL_aRSA, 335 .algorithm_enc = SSL_AES128, 336 .algorithm_mac = SSL_SHA1, 337 .algorithm_ssl = SSL_TLSV1, 338 .algo_strength = SSL_HIGH, 339 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 340 .strength_bits = 128, 341 .alg_bits = 128, 342 }, 343 344 /* Cipher 34 */ 345 { 346 .valid = 1, 347 .name = TLS1_TXT_ADH_WITH_AES_128_SHA, 348 .id = TLS1_CK_ADH_WITH_AES_128_SHA, 349 .algorithm_mkey = SSL_kDHE, 350 .algorithm_auth = SSL_aNULL, 351 .algorithm_enc = SSL_AES128, 352 .algorithm_mac = SSL_SHA1, 353 .algorithm_ssl = SSL_TLSV1, 354 .algo_strength = SSL_HIGH, 355 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 356 .strength_bits = 128, 357 .alg_bits = 128, 358 }, 359 360 /* Cipher 35 */ 361 { 362 .valid = 1, 363 .name = TLS1_TXT_RSA_WITH_AES_256_SHA, 364 .id = TLS1_CK_RSA_WITH_AES_256_SHA, 365 .algorithm_mkey = SSL_kRSA, 366 .algorithm_auth = SSL_aRSA, 367 .algorithm_enc = SSL_AES256, 368 .algorithm_mac = SSL_SHA1, 369 .algorithm_ssl = SSL_TLSV1, 370 .algo_strength = SSL_HIGH, 371 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 372 .strength_bits = 256, 373 .alg_bits = 256, 374 }, 375 376 /* Cipher 39 */ 377 { 378 .valid = 1, 379 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA, 380 .id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA, 381 .algorithm_mkey = SSL_kDHE, 382 .algorithm_auth = SSL_aRSA, 383 .algorithm_enc = SSL_AES256, 384 .algorithm_mac = SSL_SHA1, 385 .algorithm_ssl = SSL_TLSV1, 386 .algo_strength = SSL_HIGH, 387 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 388 .strength_bits = 256, 389 .alg_bits = 256, 390 }, 391 392 /* Cipher 3A */ 393 { 394 .valid = 1, 395 .name = TLS1_TXT_ADH_WITH_AES_256_SHA, 396 .id = TLS1_CK_ADH_WITH_AES_256_SHA, 397 .algorithm_mkey = SSL_kDHE, 398 .algorithm_auth = SSL_aNULL, 399 .algorithm_enc = SSL_AES256, 400 .algorithm_mac = SSL_SHA1, 401 .algorithm_ssl = SSL_TLSV1, 402 .algo_strength = SSL_HIGH, 403 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 404 .strength_bits = 256, 405 .alg_bits = 256, 406 }, 407 408 /* TLS v1.2 ciphersuites */ 409 /* Cipher 3B */ 410 { 411 .valid = 1, 412 .name = TLS1_TXT_RSA_WITH_NULL_SHA256, 413 .id = TLS1_CK_RSA_WITH_NULL_SHA256, 414 .algorithm_mkey = SSL_kRSA, 415 .algorithm_auth = SSL_aRSA, 416 .algorithm_enc = SSL_eNULL, 417 .algorithm_mac = SSL_SHA256, 418 .algorithm_ssl = SSL_TLSV1_2, 419 .algo_strength = SSL_STRONG_NONE, 420 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 421 .strength_bits = 0, 422 .alg_bits = 0, 423 }, 424 425 /* Cipher 3C */ 426 { 427 .valid = 1, 428 .name = TLS1_TXT_RSA_WITH_AES_128_SHA256, 429 .id = TLS1_CK_RSA_WITH_AES_128_SHA256, 430 .algorithm_mkey = SSL_kRSA, 431 .algorithm_auth = SSL_aRSA, 432 .algorithm_enc = SSL_AES128, 433 .algorithm_mac = SSL_SHA256, 434 .algorithm_ssl = SSL_TLSV1_2, 435 .algo_strength = SSL_HIGH, 436 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 437 .strength_bits = 128, 438 .alg_bits = 128, 439 }, 440 441 /* Cipher 3D */ 442 { 443 .valid = 1, 444 .name = TLS1_TXT_RSA_WITH_AES_256_SHA256, 445 .id = TLS1_CK_RSA_WITH_AES_256_SHA256, 446 .algorithm_mkey = SSL_kRSA, 447 .algorithm_auth = SSL_aRSA, 448 .algorithm_enc = SSL_AES256, 449 .algorithm_mac = SSL_SHA256, 450 .algorithm_ssl = SSL_TLSV1_2, 451 .algo_strength = SSL_HIGH, 452 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 453 .strength_bits = 256, 454 .alg_bits = 256, 455 }, 456 457 #ifndef OPENSSL_NO_CAMELLIA 458 /* Camellia ciphersuites from RFC4132 (128-bit portion) */ 459 460 /* Cipher 41 */ 461 { 462 .valid = 1, 463 .name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA, 464 .id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA, 465 .algorithm_mkey = SSL_kRSA, 466 .algorithm_auth = SSL_aRSA, 467 .algorithm_enc = SSL_CAMELLIA128, 468 .algorithm_mac = SSL_SHA1, 469 .algorithm_ssl = SSL_TLSV1, 470 .algo_strength = SSL_HIGH, 471 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 472 .strength_bits = 128, 473 .alg_bits = 128, 474 }, 475 476 /* Cipher 45 */ 477 { 478 .valid = 1, 479 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, 480 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, 481 .algorithm_mkey = SSL_kDHE, 482 .algorithm_auth = SSL_aRSA, 483 .algorithm_enc = SSL_CAMELLIA128, 484 .algorithm_mac = SSL_SHA1, 485 .algorithm_ssl = SSL_TLSV1, 486 .algo_strength = SSL_HIGH, 487 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 488 .strength_bits = 128, 489 .alg_bits = 128, 490 }, 491 492 /* Cipher 46 */ 493 { 494 .valid = 1, 495 .name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA, 496 .id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA, 497 .algorithm_mkey = SSL_kDHE, 498 .algorithm_auth = SSL_aNULL, 499 .algorithm_enc = SSL_CAMELLIA128, 500 .algorithm_mac = SSL_SHA1, 501 .algorithm_ssl = SSL_TLSV1, 502 .algo_strength = SSL_HIGH, 503 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 504 .strength_bits = 128, 505 .alg_bits = 128, 506 }, 507 #endif /* OPENSSL_NO_CAMELLIA */ 508 509 /* TLS v1.2 ciphersuites */ 510 /* Cipher 67 */ 511 { 512 .valid = 1, 513 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA256, 514 .id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA256, 515 .algorithm_mkey = SSL_kDHE, 516 .algorithm_auth = SSL_aRSA, 517 .algorithm_enc = SSL_AES128, 518 .algorithm_mac = SSL_SHA256, 519 .algorithm_ssl = SSL_TLSV1_2, 520 .algo_strength = SSL_HIGH, 521 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 522 .strength_bits = 128, 523 .alg_bits = 128, 524 }, 525 526 /* Cipher 6B */ 527 { 528 .valid = 1, 529 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA256, 530 .id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA256, 531 .algorithm_mkey = SSL_kDHE, 532 .algorithm_auth = SSL_aRSA, 533 .algorithm_enc = SSL_AES256, 534 .algorithm_mac = SSL_SHA256, 535 .algorithm_ssl = SSL_TLSV1_2, 536 .algo_strength = SSL_HIGH, 537 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 538 .strength_bits = 256, 539 .alg_bits = 256, 540 }, 541 542 /* Cipher 6C */ 543 { 544 .valid = 1, 545 .name = TLS1_TXT_ADH_WITH_AES_128_SHA256, 546 .id = TLS1_CK_ADH_WITH_AES_128_SHA256, 547 .algorithm_mkey = SSL_kDHE, 548 .algorithm_auth = SSL_aNULL, 549 .algorithm_enc = SSL_AES128, 550 .algorithm_mac = SSL_SHA256, 551 .algorithm_ssl = SSL_TLSV1_2, 552 .algo_strength = SSL_HIGH, 553 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 554 .strength_bits = 128, 555 .alg_bits = 128, 556 }, 557 558 /* Cipher 6D */ 559 { 560 .valid = 1, 561 .name = TLS1_TXT_ADH_WITH_AES_256_SHA256, 562 .id = TLS1_CK_ADH_WITH_AES_256_SHA256, 563 .algorithm_mkey = SSL_kDHE, 564 .algorithm_auth = SSL_aNULL, 565 .algorithm_enc = SSL_AES256, 566 .algorithm_mac = SSL_SHA256, 567 .algorithm_ssl = SSL_TLSV1_2, 568 .algo_strength = SSL_HIGH, 569 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 570 .strength_bits = 256, 571 .alg_bits = 256, 572 }, 573 574 /* GOST Ciphersuites */ 575 576 /* Cipher 81 */ 577 { 578 .valid = 1, 579 .name = "GOST2001-GOST89-GOST89", 580 .id = 0x3000081, 581 .algorithm_mkey = SSL_kGOST, 582 .algorithm_auth = SSL_aGOST01, 583 .algorithm_enc = SSL_eGOST2814789CNT, 584 .algorithm_mac = SSL_GOST89MAC, 585 .algorithm_ssl = SSL_TLSV1, 586 .algo_strength = SSL_HIGH, 587 .algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94| 588 TLS1_STREAM_MAC, 589 .strength_bits = 256, 590 .alg_bits = 256 591 }, 592 593 /* Cipher 83 */ 594 { 595 .valid = 1, 596 .name = "GOST2001-NULL-GOST94", 597 .id = 0x3000083, 598 .algorithm_mkey = SSL_kGOST, 599 .algorithm_auth = SSL_aGOST01, 600 .algorithm_enc = SSL_eNULL, 601 .algorithm_mac = SSL_GOST94, 602 .algorithm_ssl = SSL_TLSV1, 603 .algo_strength = SSL_STRONG_NONE, 604 .algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94, 605 .strength_bits = 0, 606 .alg_bits = 0 607 }, 608 609 #ifndef OPENSSL_NO_CAMELLIA 610 /* Camellia ciphersuites from RFC4132 (256-bit portion) */ 611 612 /* Cipher 84 */ 613 { 614 .valid = 1, 615 .name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA, 616 .id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA, 617 .algorithm_mkey = SSL_kRSA, 618 .algorithm_auth = SSL_aRSA, 619 .algorithm_enc = SSL_CAMELLIA256, 620 .algorithm_mac = SSL_SHA1, 621 .algorithm_ssl = SSL_TLSV1, 622 .algo_strength = SSL_HIGH, 623 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 624 .strength_bits = 256, 625 .alg_bits = 256, 626 }, 627 628 /* Cipher 88 */ 629 { 630 .valid = 1, 631 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, 632 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, 633 .algorithm_mkey = SSL_kDHE, 634 .algorithm_auth = SSL_aRSA, 635 .algorithm_enc = SSL_CAMELLIA256, 636 .algorithm_mac = SSL_SHA1, 637 .algorithm_ssl = SSL_TLSV1, 638 .algo_strength = SSL_HIGH, 639 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 640 .strength_bits = 256, 641 .alg_bits = 256, 642 }, 643 644 /* Cipher 89 */ 645 { 646 .valid = 1, 647 .name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA, 648 .id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA, 649 .algorithm_mkey = SSL_kDHE, 650 .algorithm_auth = SSL_aNULL, 651 .algorithm_enc = SSL_CAMELLIA256, 652 .algorithm_mac = SSL_SHA1, 653 .algorithm_ssl = SSL_TLSV1, 654 .algo_strength = SSL_HIGH, 655 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 656 .strength_bits = 256, 657 .alg_bits = 256, 658 }, 659 #endif /* OPENSSL_NO_CAMELLIA */ 660 661 /* 662 * GCM ciphersuites from RFC5288. 663 */ 664 665 /* Cipher 9C */ 666 { 667 .valid = 1, 668 .name = TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256, 669 .id = TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 670 .algorithm_mkey = SSL_kRSA, 671 .algorithm_auth = SSL_aRSA, 672 .algorithm_enc = SSL_AES128GCM, 673 .algorithm_mac = SSL_AEAD, 674 .algorithm_ssl = SSL_TLSV1_2, 675 .algo_strength = SSL_HIGH, 676 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 677 FIXED_NONCE_LEN(4)| 678 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 679 .strength_bits = 128, 680 .alg_bits = 128, 681 }, 682 683 /* Cipher 9D */ 684 { 685 .valid = 1, 686 .name = TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384, 687 .id = TLS1_CK_RSA_WITH_AES_256_GCM_SHA384, 688 .algorithm_mkey = SSL_kRSA, 689 .algorithm_auth = SSL_aRSA, 690 .algorithm_enc = SSL_AES256GCM, 691 .algorithm_mac = SSL_AEAD, 692 .algorithm_ssl = SSL_TLSV1_2, 693 .algo_strength = SSL_HIGH, 694 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 695 FIXED_NONCE_LEN(4)| 696 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 697 .strength_bits = 256, 698 .alg_bits = 256, 699 }, 700 701 /* Cipher 9E */ 702 { 703 .valid = 1, 704 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256, 705 .id = TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, 706 .algorithm_mkey = SSL_kDHE, 707 .algorithm_auth = SSL_aRSA, 708 .algorithm_enc = SSL_AES128GCM, 709 .algorithm_mac = SSL_AEAD, 710 .algorithm_ssl = SSL_TLSV1_2, 711 .algo_strength = SSL_HIGH, 712 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 713 FIXED_NONCE_LEN(4)| 714 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 715 .strength_bits = 128, 716 .alg_bits = 128, 717 }, 718 719 /* Cipher 9F */ 720 { 721 .valid = 1, 722 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384, 723 .id = TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384, 724 .algorithm_mkey = SSL_kDHE, 725 .algorithm_auth = SSL_aRSA, 726 .algorithm_enc = SSL_AES256GCM, 727 .algorithm_mac = SSL_AEAD, 728 .algorithm_ssl = SSL_TLSV1_2, 729 .algo_strength = SSL_HIGH, 730 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 731 FIXED_NONCE_LEN(4)| 732 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 733 .strength_bits = 256, 734 .alg_bits = 256, 735 }, 736 737 /* Cipher A6 */ 738 { 739 .valid = 1, 740 .name = TLS1_TXT_ADH_WITH_AES_128_GCM_SHA256, 741 .id = TLS1_CK_ADH_WITH_AES_128_GCM_SHA256, 742 .algorithm_mkey = SSL_kDHE, 743 .algorithm_auth = SSL_aNULL, 744 .algorithm_enc = SSL_AES128GCM, 745 .algorithm_mac = SSL_AEAD, 746 .algorithm_ssl = SSL_TLSV1_2, 747 .algo_strength = SSL_HIGH, 748 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 749 FIXED_NONCE_LEN(4)| 750 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 751 .strength_bits = 128, 752 .alg_bits = 128, 753 }, 754 755 /* Cipher A7 */ 756 { 757 .valid = 1, 758 .name = TLS1_TXT_ADH_WITH_AES_256_GCM_SHA384, 759 .id = TLS1_CK_ADH_WITH_AES_256_GCM_SHA384, 760 .algorithm_mkey = SSL_kDHE, 761 .algorithm_auth = SSL_aNULL, 762 .algorithm_enc = SSL_AES256GCM, 763 .algorithm_mac = SSL_AEAD, 764 .algorithm_ssl = SSL_TLSV1_2, 765 .algo_strength = SSL_HIGH, 766 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 767 FIXED_NONCE_LEN(4)| 768 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 769 .strength_bits = 256, 770 .alg_bits = 256, 771 }, 772 773 #ifndef OPENSSL_NO_CAMELLIA 774 /* TLS 1.2 Camellia SHA-256 ciphersuites from RFC5932 */ 775 776 /* Cipher BA */ 777 { 778 .valid = 1, 779 .name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA256, 780 .id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA256, 781 .algorithm_mkey = SSL_kRSA, 782 .algorithm_auth = SSL_aRSA, 783 .algorithm_enc = SSL_CAMELLIA128, 784 .algorithm_mac = SSL_SHA256, 785 .algorithm_ssl = SSL_TLSV1_2, 786 .algo_strength = SSL_HIGH, 787 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 788 .strength_bits = 128, 789 .alg_bits = 128, 790 }, 791 792 /* Cipher BE */ 793 { 794 .valid = 1, 795 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, 796 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, 797 .algorithm_mkey = SSL_kDHE, 798 .algorithm_auth = SSL_aRSA, 799 .algorithm_enc = SSL_CAMELLIA128, 800 .algorithm_mac = SSL_SHA256, 801 .algorithm_ssl = SSL_TLSV1_2, 802 .algo_strength = SSL_HIGH, 803 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 804 .strength_bits = 128, 805 .alg_bits = 128, 806 }, 807 808 /* Cipher BF */ 809 { 810 .valid = 1, 811 .name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA256, 812 .id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA256, 813 .algorithm_mkey = SSL_kDHE, 814 .algorithm_auth = SSL_aNULL, 815 .algorithm_enc = SSL_CAMELLIA128, 816 .algorithm_mac = SSL_SHA256, 817 .algorithm_ssl = SSL_TLSV1_2, 818 .algo_strength = SSL_HIGH, 819 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 820 .strength_bits = 128, 821 .alg_bits = 128, 822 }, 823 824 /* Cipher C0 */ 825 { 826 .valid = 1, 827 .name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA256, 828 .id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA256, 829 .algorithm_mkey = SSL_kRSA, 830 .algorithm_auth = SSL_aRSA, 831 .algorithm_enc = SSL_CAMELLIA256, 832 .algorithm_mac = SSL_SHA256, 833 .algorithm_ssl = SSL_TLSV1_2, 834 .algo_strength = SSL_HIGH, 835 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 836 .strength_bits = 256, 837 .alg_bits = 256, 838 }, 839 840 /* Cipher C4 */ 841 { 842 .valid = 1, 843 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, 844 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, 845 .algorithm_mkey = SSL_kDHE, 846 .algorithm_auth = SSL_aRSA, 847 .algorithm_enc = SSL_CAMELLIA256, 848 .algorithm_mac = SSL_SHA256, 849 .algorithm_ssl = SSL_TLSV1_2, 850 .algo_strength = SSL_HIGH, 851 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 852 .strength_bits = 256, 853 .alg_bits = 256, 854 }, 855 856 /* Cipher C5 */ 857 { 858 .valid = 1, 859 .name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA256, 860 .id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA256, 861 .algorithm_mkey = SSL_kDHE, 862 .algorithm_auth = SSL_aNULL, 863 .algorithm_enc = SSL_CAMELLIA256, 864 .algorithm_mac = SSL_SHA256, 865 .algorithm_ssl = SSL_TLSV1_2, 866 .algo_strength = SSL_HIGH, 867 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 868 .strength_bits = 256, 869 .alg_bits = 256, 870 }, 871 #endif /* OPENSSL_NO_CAMELLIA */ 872 873 /* Cipher C006 */ 874 { 875 .valid = 1, 876 .name = TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA, 877 .id = TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA, 878 .algorithm_mkey = SSL_kECDHE, 879 .algorithm_auth = SSL_aECDSA, 880 .algorithm_enc = SSL_eNULL, 881 .algorithm_mac = SSL_SHA1, 882 .algorithm_ssl = SSL_TLSV1, 883 .algo_strength = SSL_STRONG_NONE, 884 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 885 .strength_bits = 0, 886 .alg_bits = 0, 887 }, 888 889 /* Cipher C007 */ 890 { 891 .valid = 1, 892 .name = TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA, 893 .id = TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA, 894 .algorithm_mkey = SSL_kECDHE, 895 .algorithm_auth = SSL_aECDSA, 896 .algorithm_enc = SSL_RC4, 897 .algorithm_mac = SSL_SHA1, 898 .algorithm_ssl = SSL_TLSV1, 899 .algo_strength = SSL_LOW, 900 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 901 .strength_bits = 128, 902 .alg_bits = 128, 903 }, 904 905 /* Cipher C008 */ 906 { 907 .valid = 1, 908 .name = TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, 909 .id = TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, 910 .algorithm_mkey = SSL_kECDHE, 911 .algorithm_auth = SSL_aECDSA, 912 .algorithm_enc = SSL_3DES, 913 .algorithm_mac = SSL_SHA1, 914 .algorithm_ssl = SSL_TLSV1, 915 .algo_strength = SSL_MEDIUM, 916 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 917 .strength_bits = 112, 918 .alg_bits = 168, 919 }, 920 921 /* Cipher C009 */ 922 { 923 .valid = 1, 924 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 925 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 926 .algorithm_mkey = SSL_kECDHE, 927 .algorithm_auth = SSL_aECDSA, 928 .algorithm_enc = SSL_AES128, 929 .algorithm_mac = SSL_SHA1, 930 .algorithm_ssl = SSL_TLSV1, 931 .algo_strength = SSL_HIGH, 932 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 933 .strength_bits = 128, 934 .alg_bits = 128, 935 }, 936 937 /* Cipher C00A */ 938 { 939 .valid = 1, 940 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 941 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 942 .algorithm_mkey = SSL_kECDHE, 943 .algorithm_auth = SSL_aECDSA, 944 .algorithm_enc = SSL_AES256, 945 .algorithm_mac = SSL_SHA1, 946 .algorithm_ssl = SSL_TLSV1, 947 .algo_strength = SSL_HIGH, 948 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 949 .strength_bits = 256, 950 .alg_bits = 256, 951 }, 952 953 /* Cipher C010 */ 954 { 955 .valid = 1, 956 .name = TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA, 957 .id = TLS1_CK_ECDHE_RSA_WITH_NULL_SHA, 958 .algorithm_mkey = SSL_kECDHE, 959 .algorithm_auth = SSL_aRSA, 960 .algorithm_enc = SSL_eNULL, 961 .algorithm_mac = SSL_SHA1, 962 .algorithm_ssl = SSL_TLSV1, 963 .algo_strength = SSL_STRONG_NONE, 964 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 965 .strength_bits = 0, 966 .alg_bits = 0, 967 }, 968 969 /* Cipher C011 */ 970 { 971 .valid = 1, 972 .name = TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA, 973 .id = TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA, 974 .algorithm_mkey = SSL_kECDHE, 975 .algorithm_auth = SSL_aRSA, 976 .algorithm_enc = SSL_RC4, 977 .algorithm_mac = SSL_SHA1, 978 .algorithm_ssl = SSL_TLSV1, 979 .algo_strength = SSL_LOW, 980 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 981 .strength_bits = 128, 982 .alg_bits = 128, 983 }, 984 985 /* Cipher C012 */ 986 { 987 .valid = 1, 988 .name = TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA, 989 .id = TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA, 990 .algorithm_mkey = SSL_kECDHE, 991 .algorithm_auth = SSL_aRSA, 992 .algorithm_enc = SSL_3DES, 993 .algorithm_mac = SSL_SHA1, 994 .algorithm_ssl = SSL_TLSV1, 995 .algo_strength = SSL_MEDIUM, 996 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 997 .strength_bits = 112, 998 .alg_bits = 168, 999 }, 1000 1001 /* Cipher C013 */ 1002 { 1003 .valid = 1, 1004 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA, 1005 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, 1006 .algorithm_mkey = SSL_kECDHE, 1007 .algorithm_auth = SSL_aRSA, 1008 .algorithm_enc = SSL_AES128, 1009 .algorithm_mac = SSL_SHA1, 1010 .algorithm_ssl = SSL_TLSV1, 1011 .algo_strength = SSL_HIGH, 1012 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1013 .strength_bits = 128, 1014 .alg_bits = 128, 1015 }, 1016 1017 /* Cipher C014 */ 1018 { 1019 .valid = 1, 1020 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA, 1021 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, 1022 .algorithm_mkey = SSL_kECDHE, 1023 .algorithm_auth = SSL_aRSA, 1024 .algorithm_enc = SSL_AES256, 1025 .algorithm_mac = SSL_SHA1, 1026 .algorithm_ssl = SSL_TLSV1, 1027 .algo_strength = SSL_HIGH, 1028 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1029 .strength_bits = 256, 1030 .alg_bits = 256, 1031 }, 1032 1033 /* Cipher C015 */ 1034 { 1035 .valid = 1, 1036 .name = TLS1_TXT_ECDH_anon_WITH_NULL_SHA, 1037 .id = TLS1_CK_ECDH_anon_WITH_NULL_SHA, 1038 .algorithm_mkey = SSL_kECDHE, 1039 .algorithm_auth = SSL_aNULL, 1040 .algorithm_enc = SSL_eNULL, 1041 .algorithm_mac = SSL_SHA1, 1042 .algorithm_ssl = SSL_TLSV1, 1043 .algo_strength = SSL_STRONG_NONE, 1044 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1045 .strength_bits = 0, 1046 .alg_bits = 0, 1047 }, 1048 1049 /* Cipher C016 */ 1050 { 1051 .valid = 1, 1052 .name = TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA, 1053 .id = TLS1_CK_ECDH_anon_WITH_RC4_128_SHA, 1054 .algorithm_mkey = SSL_kECDHE, 1055 .algorithm_auth = SSL_aNULL, 1056 .algorithm_enc = SSL_RC4, 1057 .algorithm_mac = SSL_SHA1, 1058 .algorithm_ssl = SSL_TLSV1, 1059 .algo_strength = SSL_LOW, 1060 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1061 .strength_bits = 128, 1062 .alg_bits = 128, 1063 }, 1064 1065 /* Cipher C017 */ 1066 { 1067 .valid = 1, 1068 .name = TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA, 1069 .id = TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA, 1070 .algorithm_mkey = SSL_kECDHE, 1071 .algorithm_auth = SSL_aNULL, 1072 .algorithm_enc = SSL_3DES, 1073 .algorithm_mac = SSL_SHA1, 1074 .algorithm_ssl = SSL_TLSV1, 1075 .algo_strength = SSL_MEDIUM, 1076 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1077 .strength_bits = 112, 1078 .alg_bits = 168, 1079 }, 1080 1081 /* Cipher C018 */ 1082 { 1083 .valid = 1, 1084 .name = TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA, 1085 .id = TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA, 1086 .algorithm_mkey = SSL_kECDHE, 1087 .algorithm_auth = SSL_aNULL, 1088 .algorithm_enc = SSL_AES128, 1089 .algorithm_mac = SSL_SHA1, 1090 .algorithm_ssl = SSL_TLSV1, 1091 .algo_strength = SSL_HIGH, 1092 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1093 .strength_bits = 128, 1094 .alg_bits = 128, 1095 }, 1096 1097 /* Cipher C019 */ 1098 { 1099 .valid = 1, 1100 .name = TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA, 1101 .id = TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA, 1102 .algorithm_mkey = SSL_kECDHE, 1103 .algorithm_auth = SSL_aNULL, 1104 .algorithm_enc = SSL_AES256, 1105 .algorithm_mac = SSL_SHA1, 1106 .algorithm_ssl = SSL_TLSV1, 1107 .algo_strength = SSL_HIGH, 1108 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1109 .strength_bits = 256, 1110 .alg_bits = 256, 1111 }, 1112 1113 1114 /* HMAC based TLS v1.2 ciphersuites from RFC5289 */ 1115 1116 /* Cipher C023 */ 1117 { 1118 .valid = 1, 1119 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256, 1120 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256, 1121 .algorithm_mkey = SSL_kECDHE, 1122 .algorithm_auth = SSL_aECDSA, 1123 .algorithm_enc = SSL_AES128, 1124 .algorithm_mac = SSL_SHA256, 1125 .algorithm_ssl = SSL_TLSV1_2, 1126 .algo_strength = SSL_HIGH, 1127 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 1128 .strength_bits = 128, 1129 .alg_bits = 128, 1130 }, 1131 1132 /* Cipher C024 */ 1133 { 1134 .valid = 1, 1135 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384, 1136 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384, 1137 .algorithm_mkey = SSL_kECDHE, 1138 .algorithm_auth = SSL_aECDSA, 1139 .algorithm_enc = SSL_AES256, 1140 .algorithm_mac = SSL_SHA384, 1141 .algorithm_ssl = SSL_TLSV1_2, 1142 .algo_strength = SSL_HIGH, 1143 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384, 1144 .strength_bits = 256, 1145 .alg_bits = 256, 1146 }, 1147 1148 /* Cipher C027 */ 1149 { 1150 .valid = 1, 1151 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256, 1152 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256, 1153 .algorithm_mkey = SSL_kECDHE, 1154 .algorithm_auth = SSL_aRSA, 1155 .algorithm_enc = SSL_AES128, 1156 .algorithm_mac = SSL_SHA256, 1157 .algorithm_ssl = SSL_TLSV1_2, 1158 .algo_strength = SSL_HIGH, 1159 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 1160 .strength_bits = 128, 1161 .alg_bits = 128, 1162 }, 1163 1164 /* Cipher C028 */ 1165 { 1166 .valid = 1, 1167 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384, 1168 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384, 1169 .algorithm_mkey = SSL_kECDHE, 1170 .algorithm_auth = SSL_aRSA, 1171 .algorithm_enc = SSL_AES256, 1172 .algorithm_mac = SSL_SHA384, 1173 .algorithm_ssl = SSL_TLSV1_2, 1174 .algo_strength = SSL_HIGH, 1175 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384, 1176 .strength_bits = 256, 1177 .alg_bits = 256, 1178 }, 1179 1180 /* GCM based TLS v1.2 ciphersuites from RFC5289 */ 1181 1182 /* Cipher C02B */ 1183 { 1184 .valid = 1, 1185 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 1186 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 1187 .algorithm_mkey = SSL_kECDHE, 1188 .algorithm_auth = SSL_aECDSA, 1189 .algorithm_enc = SSL_AES128GCM, 1190 .algorithm_mac = SSL_AEAD, 1191 .algorithm_ssl = SSL_TLSV1_2, 1192 .algo_strength = SSL_HIGH, 1193 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1194 FIXED_NONCE_LEN(4)| 1195 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1196 .strength_bits = 128, 1197 .alg_bits = 128, 1198 }, 1199 1200 /* Cipher C02C */ 1201 { 1202 .valid = 1, 1203 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 1204 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 1205 .algorithm_mkey = SSL_kECDHE, 1206 .algorithm_auth = SSL_aECDSA, 1207 .algorithm_enc = SSL_AES256GCM, 1208 .algorithm_mac = SSL_AEAD, 1209 .algorithm_ssl = SSL_TLSV1_2, 1210 .algo_strength = SSL_HIGH, 1211 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 1212 FIXED_NONCE_LEN(4)| 1213 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1214 .strength_bits = 256, 1215 .alg_bits = 256, 1216 }, 1217 1218 /* Cipher C02F */ 1219 { 1220 .valid = 1, 1221 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 1222 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 1223 .algorithm_mkey = SSL_kECDHE, 1224 .algorithm_auth = SSL_aRSA, 1225 .algorithm_enc = SSL_AES128GCM, 1226 .algorithm_mac = SSL_AEAD, 1227 .algorithm_ssl = SSL_TLSV1_2, 1228 .algo_strength = SSL_HIGH, 1229 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1230 FIXED_NONCE_LEN(4)| 1231 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1232 .strength_bits = 128, 1233 .alg_bits = 128, 1234 }, 1235 1236 /* Cipher C030 */ 1237 { 1238 .valid = 1, 1239 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 1240 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 1241 .algorithm_mkey = SSL_kECDHE, 1242 .algorithm_auth = SSL_aRSA, 1243 .algorithm_enc = SSL_AES256GCM, 1244 .algorithm_mac = SSL_AEAD, 1245 .algorithm_ssl = SSL_TLSV1_2, 1246 .algo_strength = SSL_HIGH, 1247 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 1248 FIXED_NONCE_LEN(4)| 1249 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1250 .strength_bits = 256, 1251 .alg_bits = 256, 1252 }, 1253 1254 /* Cipher CCA8 */ 1255 { 1256 .valid = 1, 1257 .name = TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305, 1258 .id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 1259 .algorithm_mkey = SSL_kECDHE, 1260 .algorithm_auth = SSL_aRSA, 1261 .algorithm_enc = SSL_CHACHA20POLY1305, 1262 .algorithm_mac = SSL_AEAD, 1263 .algorithm_ssl = SSL_TLSV1_2, 1264 .algo_strength = SSL_HIGH, 1265 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1266 FIXED_NONCE_LEN(12), 1267 .strength_bits = 256, 1268 .alg_bits = 256, 1269 }, 1270 1271 /* Cipher CCA9 */ 1272 { 1273 .valid = 1, 1274 .name = TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, 1275 .id = TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 1276 .algorithm_mkey = SSL_kECDHE, 1277 .algorithm_auth = SSL_aECDSA, 1278 .algorithm_enc = SSL_CHACHA20POLY1305, 1279 .algorithm_mac = SSL_AEAD, 1280 .algorithm_ssl = SSL_TLSV1_2, 1281 .algo_strength = SSL_HIGH, 1282 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1283 FIXED_NONCE_LEN(12), 1284 .strength_bits = 256, 1285 .alg_bits = 256, 1286 }, 1287 1288 /* Cipher CCAA */ 1289 { 1290 .valid = 1, 1291 .name = TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305, 1292 .id = TLS1_CK_DHE_RSA_CHACHA20_POLY1305, 1293 .algorithm_mkey = SSL_kDHE, 1294 .algorithm_auth = SSL_aRSA, 1295 .algorithm_enc = SSL_CHACHA20POLY1305, 1296 .algorithm_mac = SSL_AEAD, 1297 .algorithm_ssl = SSL_TLSV1_2, 1298 .algo_strength = SSL_HIGH, 1299 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1300 FIXED_NONCE_LEN(12), 1301 .strength_bits = 256, 1302 .alg_bits = 256, 1303 }, 1304 1305 /* Cipher FF85 FIXME IANA */ 1306 { 1307 .valid = 1, 1308 .name = "GOST2012256-GOST89-GOST89", 1309 .id = 0x300ff85, /* FIXME IANA */ 1310 .algorithm_mkey = SSL_kGOST, 1311 .algorithm_auth = SSL_aGOST01, 1312 .algorithm_enc = SSL_eGOST2814789CNT, 1313 .algorithm_mac = SSL_GOST89MAC, 1314 .algorithm_ssl = SSL_TLSV1, 1315 .algo_strength = SSL_HIGH, 1316 .algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256| 1317 TLS1_STREAM_MAC, 1318 .strength_bits = 256, 1319 .alg_bits = 256 1320 }, 1321 1322 /* Cipher FF87 FIXME IANA */ 1323 { 1324 .valid = 1, 1325 .name = "GOST2012256-NULL-STREEBOG256", 1326 .id = 0x300ff87, /* FIXME IANA */ 1327 .algorithm_mkey = SSL_kGOST, 1328 .algorithm_auth = SSL_aGOST01, 1329 .algorithm_enc = SSL_eNULL, 1330 .algorithm_mac = SSL_STREEBOG256, 1331 .algorithm_ssl = SSL_TLSV1, 1332 .algo_strength = SSL_STRONG_NONE, 1333 .algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256, 1334 .strength_bits = 0, 1335 .alg_bits = 0 1336 }, 1337 1338 1339 /* end of list */ 1340 }; 1341 1342 int 1343 ssl3_num_ciphers(void) 1344 { 1345 return (SSL3_NUM_CIPHERS); 1346 } 1347 1348 const SSL_CIPHER * 1349 ssl3_get_cipher(unsigned int u) 1350 { 1351 if (u < SSL3_NUM_CIPHERS) 1352 return (&(ssl3_ciphers[SSL3_NUM_CIPHERS - 1 - u])); 1353 else 1354 return (NULL); 1355 } 1356 1357 const SSL_CIPHER * 1358 ssl3_get_cipher_by_id(unsigned int id) 1359 { 1360 const SSL_CIPHER *cp; 1361 SSL_CIPHER c; 1362 1363 c.id = id; 1364 cp = OBJ_bsearch_ssl_cipher_id(&c, ssl3_ciphers, SSL3_NUM_CIPHERS); 1365 if (cp != NULL && cp->valid == 1) 1366 return (cp); 1367 1368 return (NULL); 1369 } 1370 1371 const SSL_CIPHER * 1372 ssl3_get_cipher_by_value(uint16_t value) 1373 { 1374 return ssl3_get_cipher_by_id(SSL3_CK_ID | value); 1375 } 1376 1377 uint16_t 1378 ssl3_cipher_get_value(const SSL_CIPHER *c) 1379 { 1380 return (c->id & SSL3_CK_VALUE_MASK); 1381 } 1382 1383 int 1384 ssl3_pending(const SSL *s) 1385 { 1386 if (s->internal->rstate == SSL_ST_READ_BODY) 1387 return 0; 1388 1389 return (S3I(s)->rrec.type == SSL3_RT_APPLICATION_DATA) ? 1390 S3I(s)->rrec.length : 0; 1391 } 1392 1393 int 1394 ssl3_handshake_msg_hdr_len(SSL *s) 1395 { 1396 return (SSL_IS_DTLS(s) ? DTLS1_HM_HEADER_LENGTH : 1397 SSL3_HM_HEADER_LENGTH); 1398 } 1399 1400 int 1401 ssl3_handshake_msg_start(SSL *s, CBB *handshake, CBB *body, uint8_t msg_type) 1402 { 1403 int ret = 0; 1404 1405 if (!CBB_init(handshake, SSL3_RT_MAX_PLAIN_LENGTH)) 1406 goto err; 1407 if (!CBB_add_u8(handshake, msg_type)) 1408 goto err; 1409 if (SSL_IS_DTLS(s)) { 1410 unsigned char *data; 1411 1412 if (!CBB_add_space(handshake, &data, DTLS1_HM_HEADER_LENGTH - 1413 SSL3_HM_HEADER_LENGTH)) 1414 goto err; 1415 } 1416 if (!CBB_add_u24_length_prefixed(handshake, body)) 1417 goto err; 1418 1419 ret = 1; 1420 1421 err: 1422 return (ret); 1423 } 1424 1425 int 1426 ssl3_handshake_msg_finish(SSL *s, CBB *handshake) 1427 { 1428 unsigned char *data = NULL; 1429 size_t outlen; 1430 int ret = 0; 1431 1432 if (!CBB_finish(handshake, &data, &outlen)) 1433 goto err; 1434 1435 if (outlen > INT_MAX) 1436 goto err; 1437 1438 if (!BUF_MEM_grow_clean(s->internal->init_buf, outlen)) 1439 goto err; 1440 1441 memcpy(s->internal->init_buf->data, data, outlen); 1442 1443 s->internal->init_num = (int)outlen; 1444 s->internal->init_off = 0; 1445 1446 if (SSL_IS_DTLS(s)) { 1447 unsigned long len; 1448 uint8_t msg_type; 1449 CBS cbs; 1450 1451 CBS_init(&cbs, data, outlen); 1452 if (!CBS_get_u8(&cbs, &msg_type)) 1453 goto err; 1454 1455 len = outlen - ssl3_handshake_msg_hdr_len(s); 1456 1457 dtls1_set_message_header(s, msg_type, len, 0, len); 1458 dtls1_buffer_message(s, 0); 1459 } 1460 1461 ret = 1; 1462 1463 err: 1464 free(data); 1465 1466 return (ret); 1467 } 1468 1469 int 1470 ssl3_handshake_write(SSL *s) 1471 { 1472 return ssl3_record_write(s, SSL3_RT_HANDSHAKE); 1473 } 1474 1475 int 1476 ssl3_record_write(SSL *s, int type) 1477 { 1478 if (SSL_IS_DTLS(s)) 1479 return dtls1_do_write(s, type); 1480 1481 return ssl3_do_write(s, type); 1482 } 1483 1484 int 1485 ssl3_new(SSL *s) 1486 { 1487 if ((s->s3 = calloc(1, sizeof(*s->s3))) == NULL) 1488 return (0); 1489 if ((S3I(s) = calloc(1, sizeof(*S3I(s)))) == NULL) { 1490 free(s->s3); 1491 return (0); 1492 } 1493 1494 s->method->internal->ssl_clear(s); 1495 1496 return (1); 1497 } 1498 1499 void 1500 ssl3_free(SSL *s) 1501 { 1502 if (s == NULL) 1503 return; 1504 1505 tls1_cleanup_key_block(s); 1506 ssl3_release_read_buffer(s); 1507 ssl3_release_write_buffer(s); 1508 1509 DH_free(S3I(s)->tmp.dh); 1510 EC_KEY_free(S3I(s)->tmp.ecdh); 1511 1512 freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH); 1513 1514 sk_X509_NAME_pop_free(S3I(s)->tmp.ca_names, X509_NAME_free); 1515 1516 BIO_free(S3I(s)->handshake_buffer); 1517 1518 tls1_handshake_hash_free(s); 1519 1520 free(S3I(s)->alpn_selected); 1521 1522 freezero(S3I(s), sizeof(*S3I(s))); 1523 freezero(s->s3, sizeof(*s->s3)); 1524 1525 s->s3 = NULL; 1526 } 1527 1528 void 1529 ssl3_clear(SSL *s) 1530 { 1531 struct ssl3_state_internal_st *internal; 1532 unsigned char *rp, *wp; 1533 size_t rlen, wlen; 1534 1535 tls1_cleanup_key_block(s); 1536 sk_X509_NAME_pop_free(S3I(s)->tmp.ca_names, X509_NAME_free); 1537 1538 DH_free(S3I(s)->tmp.dh); 1539 S3I(s)->tmp.dh = NULL; 1540 EC_KEY_free(S3I(s)->tmp.ecdh); 1541 S3I(s)->tmp.ecdh = NULL; 1542 1543 freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH); 1544 S3I(s)->tmp.x25519 = NULL; 1545 1546 rp = s->s3->rbuf.buf; 1547 wp = s->s3->wbuf.buf; 1548 rlen = s->s3->rbuf.len; 1549 wlen = s->s3->wbuf.len; 1550 1551 BIO_free(S3I(s)->handshake_buffer); 1552 S3I(s)->handshake_buffer = NULL; 1553 1554 tls1_handshake_hash_free(s); 1555 1556 free(S3I(s)->alpn_selected); 1557 S3I(s)->alpn_selected = NULL; 1558 1559 memset(S3I(s), 0, sizeof(*S3I(s))); 1560 internal = S3I(s); 1561 memset(s->s3, 0, sizeof(*s->s3)); 1562 S3I(s) = internal; 1563 1564 s->s3->rbuf.buf = rp; 1565 s->s3->wbuf.buf = wp; 1566 s->s3->rbuf.len = rlen; 1567 s->s3->wbuf.len = wlen; 1568 1569 ssl_free_wbio_buffer(s); 1570 1571 /* Not needed... */ 1572 S3I(s)->renegotiate = 0; 1573 S3I(s)->total_renegotiations = 0; 1574 S3I(s)->num_renegotiations = 0; 1575 S3I(s)->in_read_app_data = 0; 1576 1577 s->internal->packet_length = 0; 1578 s->version = TLS1_VERSION; 1579 } 1580 1581 static long 1582 ssl_ctrl_get_server_tmp_key(SSL *s, EVP_PKEY **pkey_tmp) 1583 { 1584 EVP_PKEY *pkey = NULL; 1585 EC_GROUP *group = NULL; 1586 EC_POINT *point = NULL; 1587 EC_KEY *ec_key = NULL; 1588 BIGNUM *order = NULL; 1589 SESS_CERT *sc; 1590 int ret = 0; 1591 1592 *pkey_tmp = NULL; 1593 1594 if (s->server != 0) 1595 return 0; 1596 if (s->session == NULL || SSI(s)->sess_cert == NULL) 1597 return 0; 1598 1599 sc = SSI(s)->sess_cert; 1600 1601 if ((pkey = EVP_PKEY_new()) == NULL) 1602 return 0; 1603 1604 if (sc->peer_dh_tmp != NULL) { 1605 ret = EVP_PKEY_set1_DH(pkey, sc->peer_dh_tmp); 1606 } else if (sc->peer_ecdh_tmp) { 1607 ret = EVP_PKEY_set1_EC_KEY(pkey, sc->peer_ecdh_tmp); 1608 } else if (sc->peer_x25519_tmp != NULL) { 1609 /* Fudge up an EC_KEY that looks like X25519... */ 1610 if ((group = EC_GROUP_new(EC_GFp_mont_method())) == NULL) 1611 goto err; 1612 if ((point = EC_POINT_new(group)) == NULL) 1613 goto err; 1614 if ((order = BN_new()) == NULL) 1615 goto err; 1616 if (!BN_set_bit(order, 252)) 1617 goto err; 1618 if (!EC_GROUP_set_generator(group, point, order, NULL)) 1619 goto err; 1620 EC_GROUP_set_curve_name(group, NID_X25519); 1621 if ((ec_key = EC_KEY_new()) == NULL) 1622 goto err; 1623 if (!EC_KEY_set_group(ec_key, group)) 1624 goto err; 1625 ret = EVP_PKEY_set1_EC_KEY(pkey, ec_key); 1626 } 1627 1628 if (ret == 1) { 1629 *pkey_tmp = pkey; 1630 pkey = NULL; 1631 } 1632 1633 err: 1634 EVP_PKEY_free(pkey); 1635 EC_GROUP_free(group); 1636 EC_POINT_free(point); 1637 EC_KEY_free(ec_key); 1638 BN_free(order); 1639 1640 return (ret); 1641 } 1642 1643 static int 1644 _SSL_session_reused(SSL *s) 1645 { 1646 return s->internal->hit; 1647 } 1648 1649 static int 1650 _SSL_num_renegotiations(SSL *s) 1651 { 1652 return S3I(s)->num_renegotiations; 1653 } 1654 1655 static int 1656 _SSL_clear_num_renegotiations(SSL *s) 1657 { 1658 int renegs; 1659 1660 renegs = S3I(s)->num_renegotiations; 1661 S3I(s)->num_renegotiations = 0; 1662 1663 return renegs; 1664 } 1665 1666 static int 1667 _SSL_total_renegotiations(SSL *s) 1668 { 1669 return S3I(s)->total_renegotiations; 1670 } 1671 1672 static int 1673 _SSL_set_tmp_dh(SSL *s, DH *dh) 1674 { 1675 DH *dh_tmp; 1676 1677 if (!ssl_cert_inst(&s->cert)) { 1678 SSLerror(s, ERR_R_MALLOC_FAILURE); 1679 return 0; 1680 } 1681 1682 if (dh == NULL) { 1683 SSLerror(s, ERR_R_PASSED_NULL_PARAMETER); 1684 return 0; 1685 } 1686 1687 if ((dh_tmp = DHparams_dup(dh)) == NULL) { 1688 SSLerror(s, ERR_R_DH_LIB); 1689 return 0; 1690 } 1691 1692 DH_free(s->cert->dh_tmp); 1693 s->cert->dh_tmp = dh_tmp; 1694 1695 return 1; 1696 } 1697 1698 static int 1699 _SSL_set_dh_auto(SSL *s, int state) 1700 { 1701 s->cert->dh_tmp_auto = state; 1702 return 1; 1703 } 1704 1705 static int 1706 _SSL_set_tmp_ecdh(SSL *s, EC_KEY *ecdh) 1707 { 1708 const EC_GROUP *group; 1709 int nid; 1710 1711 if (!ssl_cert_inst(&s->cert)) { 1712 SSLerror(s, ERR_R_MALLOC_FAILURE); 1713 return 0; 1714 } 1715 1716 if (ecdh == NULL) 1717 return 0; 1718 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 1719 return 0; 1720 1721 nid = EC_GROUP_get_curve_name(group); 1722 return SSL_set1_groups(s, &nid, 1); 1723 } 1724 1725 static int 1726 _SSL_set_ecdh_auto(SSL *s, int state) 1727 { 1728 return 1; 1729 } 1730 1731 static int 1732 _SSL_set_tlsext_host_name(SSL *s, const char *name) 1733 { 1734 free(s->tlsext_hostname); 1735 s->tlsext_hostname = NULL; 1736 1737 if (name == NULL) 1738 return 1; 1739 1740 if (strlen(name) > TLSEXT_MAXLEN_host_name) { 1741 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME); 1742 return 0; 1743 } 1744 1745 if ((s->tlsext_hostname = strdup(name)) == NULL) { 1746 SSLerror(s, ERR_R_INTERNAL_ERROR); 1747 return 0; 1748 } 1749 1750 return 1; 1751 } 1752 1753 static int 1754 _SSL_set_tlsext_debug_arg(SSL *s, void *arg) 1755 { 1756 s->internal->tlsext_debug_arg = arg; 1757 return 1; 1758 } 1759 1760 static int 1761 _SSL_set_tlsext_status_type(SSL *s, int type) 1762 { 1763 s->tlsext_status_type = type; 1764 return 1; 1765 } 1766 1767 static int 1768 _SSL_get_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) **exts) 1769 { 1770 *exts = s->internal->tlsext_ocsp_exts; 1771 return 1; 1772 } 1773 1774 static int 1775 _SSL_set_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) *exts) 1776 { 1777 /* XXX - leak... */ 1778 s->internal->tlsext_ocsp_exts = exts; 1779 return 1; 1780 } 1781 1782 static int 1783 _SSL_get_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) **ids) 1784 { 1785 *ids = s->internal->tlsext_ocsp_ids; 1786 return 1; 1787 } 1788 1789 static int 1790 _SSL_set_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) *ids) 1791 { 1792 /* XXX - leak... */ 1793 s->internal->tlsext_ocsp_ids = ids; 1794 return 1; 1795 } 1796 1797 static int 1798 _SSL_get_tlsext_status_ocsp_resp(SSL *s, unsigned char **resp) 1799 { 1800 *resp = s->internal->tlsext_ocsp_resp; 1801 return s->internal->tlsext_ocsp_resplen; 1802 } 1803 1804 static int 1805 _SSL_set_tlsext_status_ocsp_resp(SSL *s, unsigned char *resp, int resp_len) 1806 { 1807 free(s->internal->tlsext_ocsp_resp); 1808 s->internal->tlsext_ocsp_resp = resp; 1809 s->internal->tlsext_ocsp_resplen = resp_len; 1810 return 1; 1811 } 1812 1813 int 1814 SSL_set1_groups(SSL *s, const int *groups, size_t groups_len) 1815 { 1816 return tls1_set_groups(&s->internal->tlsext_supportedgroups, 1817 &s->internal->tlsext_supportedgroups_length, groups, groups_len); 1818 } 1819 1820 int 1821 SSL_set1_groups_list(SSL *s, const char *groups) 1822 { 1823 return tls1_set_groups_list(&s->internal->tlsext_supportedgroups, 1824 &s->internal->tlsext_supportedgroups_length, groups); 1825 } 1826 1827 long 1828 ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) 1829 { 1830 switch (cmd) { 1831 case SSL_CTRL_GET_SESSION_REUSED: 1832 return _SSL_session_reused(s); 1833 1834 case SSL_CTRL_GET_NUM_RENEGOTIATIONS: 1835 return _SSL_num_renegotiations(s); 1836 1837 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS: 1838 return _SSL_clear_num_renegotiations(s); 1839 1840 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS: 1841 return _SSL_total_renegotiations(s); 1842 1843 case SSL_CTRL_SET_TMP_DH: 1844 return _SSL_set_tmp_dh(s, parg); 1845 1846 case SSL_CTRL_SET_TMP_DH_CB: 1847 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 1848 return 0; 1849 1850 case SSL_CTRL_SET_DH_AUTO: 1851 return _SSL_set_dh_auto(s, larg); 1852 1853 case SSL_CTRL_SET_TMP_ECDH: 1854 return _SSL_set_tmp_ecdh(s, parg); 1855 1856 case SSL_CTRL_SET_TMP_ECDH_CB: 1857 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 1858 return 0; 1859 1860 case SSL_CTRL_SET_ECDH_AUTO: 1861 return _SSL_set_ecdh_auto(s, larg); 1862 1863 case SSL_CTRL_SET_TLSEXT_HOSTNAME: 1864 if (larg != TLSEXT_NAMETYPE_host_name) { 1865 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE); 1866 return 0; 1867 } 1868 return _SSL_set_tlsext_host_name(s, parg); 1869 1870 case SSL_CTRL_SET_TLSEXT_DEBUG_ARG: 1871 return _SSL_set_tlsext_debug_arg(s, parg); 1872 1873 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE: 1874 return _SSL_set_tlsext_status_type(s, larg); 1875 1876 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS: 1877 return _SSL_get_tlsext_status_exts(s, parg); 1878 1879 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS: 1880 return _SSL_set_tlsext_status_exts(s, parg); 1881 1882 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS: 1883 return _SSL_get_tlsext_status_ids(s, parg); 1884 1885 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS: 1886 return _SSL_set_tlsext_status_ids(s, parg); 1887 1888 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP: 1889 return _SSL_get_tlsext_status_ocsp_resp(s, parg); 1890 1891 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP: 1892 return _SSL_set_tlsext_status_ocsp_resp(s, parg, larg); 1893 1894 case SSL_CTRL_SET_GROUPS: 1895 return SSL_set1_groups(s, parg, larg); 1896 1897 case SSL_CTRL_SET_GROUPS_LIST: 1898 return SSL_set1_groups_list(s, parg); 1899 1900 case SSL_CTRL_GET_SERVER_TMP_KEY: 1901 return ssl_ctrl_get_server_tmp_key(s, parg); 1902 1903 case SSL_CTRL_GET_MIN_PROTO_VERSION: 1904 return SSL_get_min_proto_version(s); 1905 1906 case SSL_CTRL_GET_MAX_PROTO_VERSION: 1907 return SSL_get_max_proto_version(s); 1908 1909 case SSL_CTRL_SET_MIN_PROTO_VERSION: 1910 if (larg < 0 || larg > UINT16_MAX) 1911 return 0; 1912 return SSL_set_min_proto_version(s, larg); 1913 1914 case SSL_CTRL_SET_MAX_PROTO_VERSION: 1915 if (larg < 0 || larg > UINT16_MAX) 1916 return 0; 1917 return SSL_set_max_proto_version(s, larg); 1918 1919 /* 1920 * Legacy controls that should eventually be removed. 1921 */ 1922 case SSL_CTRL_GET_CLIENT_CERT_REQUEST: 1923 return 0; 1924 1925 case SSL_CTRL_GET_FLAGS: 1926 return (int)(s->s3->flags); 1927 1928 case SSL_CTRL_NEED_TMP_RSA: 1929 return 0; 1930 1931 case SSL_CTRL_SET_TMP_RSA: 1932 case SSL_CTRL_SET_TMP_RSA_CB: 1933 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 1934 return 0; 1935 } 1936 1937 return 0; 1938 } 1939 1940 long 1941 ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) 1942 { 1943 if (cmd == SSL_CTRL_SET_TMP_DH_CB || cmd == SSL_CTRL_SET_TMP_ECDH_CB) { 1944 if (!ssl_cert_inst(&s->cert)) { 1945 SSLerror(s, ERR_R_MALLOC_FAILURE); 1946 return 0; 1947 } 1948 } 1949 1950 switch (cmd) { 1951 case SSL_CTRL_SET_TMP_RSA_CB: 1952 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 1953 return 0; 1954 1955 case SSL_CTRL_SET_TMP_DH_CB: 1956 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp; 1957 return 1; 1958 1959 case SSL_CTRL_SET_TMP_ECDH_CB: 1960 return 1; 1961 1962 case SSL_CTRL_SET_TLSEXT_DEBUG_CB: 1963 s->internal->tlsext_debug_cb = (void (*)(SSL *, int , int, 1964 unsigned char *, int, void *))fp; 1965 return 1; 1966 } 1967 1968 return 0; 1969 } 1970 1971 static int 1972 _SSL_CTX_set_tmp_dh(SSL_CTX *ctx, DH *dh) 1973 { 1974 DH *dh_tmp; 1975 1976 if ((dh_tmp = DHparams_dup(dh)) == NULL) { 1977 SSLerrorx(ERR_R_DH_LIB); 1978 return 0; 1979 } 1980 1981 DH_free(ctx->internal->cert->dh_tmp); 1982 ctx->internal->cert->dh_tmp = dh_tmp; 1983 1984 return 1; 1985 } 1986 1987 static int 1988 _SSL_CTX_set_dh_auto(SSL_CTX *ctx, int state) 1989 { 1990 ctx->internal->cert->dh_tmp_auto = state; 1991 return 1; 1992 } 1993 1994 static int 1995 _SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, EC_KEY *ecdh) 1996 { 1997 const EC_GROUP *group; 1998 int nid; 1999 2000 if (ecdh == NULL) 2001 return 0; 2002 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 2003 return 0; 2004 2005 nid = EC_GROUP_get_curve_name(group); 2006 return SSL_CTX_set1_groups(ctx, &nid, 1); 2007 } 2008 2009 static int 2010 _SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state) 2011 { 2012 return 1; 2013 } 2014 2015 static int 2016 _SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) 2017 { 2018 ctx->internal->tlsext_servername_arg = arg; 2019 return 1; 2020 } 2021 2022 static int 2023 _SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2024 { 2025 if (keys == NULL) 2026 return 48; 2027 2028 if (keys_len != 48) { 2029 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2030 return 0; 2031 } 2032 2033 memcpy(keys, ctx->internal->tlsext_tick_key_name, 16); 2034 memcpy(keys + 16, ctx->internal->tlsext_tick_hmac_key, 16); 2035 memcpy(keys + 32, ctx->internal->tlsext_tick_aes_key, 16); 2036 2037 return 1; 2038 } 2039 2040 static int 2041 _SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2042 { 2043 if (keys == NULL) 2044 return 48; 2045 2046 if (keys_len != 48) { 2047 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2048 return 0; 2049 } 2050 2051 memcpy(ctx->internal->tlsext_tick_key_name, keys, 16); 2052 memcpy(ctx->internal->tlsext_tick_hmac_key, keys + 16, 16); 2053 memcpy(ctx->internal->tlsext_tick_aes_key, keys + 32, 16); 2054 2055 return 1; 2056 } 2057 2058 static int 2059 _SSL_CTX_get_tlsext_status_arg(SSL_CTX *ctx, void **arg) 2060 { 2061 *arg = ctx->internal->tlsext_status_arg; 2062 return 1; 2063 } 2064 2065 static int 2066 _SSL_CTX_set_tlsext_status_arg(SSL_CTX *ctx, void *arg) 2067 { 2068 ctx->internal->tlsext_status_arg = arg; 2069 return 1; 2070 } 2071 2072 static int 2073 _SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *cert) 2074 { 2075 if (ctx->extra_certs == NULL) { 2076 if ((ctx->extra_certs = sk_X509_new_null()) == NULL) 2077 return 0; 2078 } 2079 if (sk_X509_push(ctx->extra_certs, cert) == 0) 2080 return 0; 2081 2082 return 1; 2083 } 2084 2085 static int 2086 _SSL_CTX_get_extra_chain_certs(SSL_CTX *ctx, STACK_OF(X509) **certs) 2087 { 2088 *certs = ctx->extra_certs; 2089 return 1; 2090 } 2091 2092 static int 2093 _SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx) 2094 { 2095 sk_X509_pop_free(ctx->extra_certs, X509_free); 2096 ctx->extra_certs = NULL; 2097 return 1; 2098 } 2099 2100 int 2101 SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len) 2102 { 2103 return tls1_set_groups(&ctx->internal->tlsext_supportedgroups, 2104 &ctx->internal->tlsext_supportedgroups_length, groups, groups_len); 2105 } 2106 2107 int 2108 SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups) 2109 { 2110 return tls1_set_groups_list(&ctx->internal->tlsext_supportedgroups, 2111 &ctx->internal->tlsext_supportedgroups_length, groups); 2112 } 2113 2114 long 2115 ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) 2116 { 2117 switch (cmd) { 2118 case SSL_CTRL_SET_TMP_DH: 2119 return _SSL_CTX_set_tmp_dh(ctx, parg); 2120 2121 case SSL_CTRL_SET_TMP_DH_CB: 2122 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2123 return 0; 2124 2125 case SSL_CTRL_SET_DH_AUTO: 2126 return _SSL_CTX_set_dh_auto(ctx, larg); 2127 2128 case SSL_CTRL_SET_TMP_ECDH: 2129 return _SSL_CTX_set_tmp_ecdh(ctx, parg); 2130 2131 case SSL_CTRL_SET_TMP_ECDH_CB: 2132 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2133 return 0; 2134 2135 case SSL_CTRL_SET_ECDH_AUTO: 2136 return _SSL_CTX_set_ecdh_auto(ctx, larg); 2137 2138 case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG: 2139 return _SSL_CTX_set_tlsext_servername_arg(ctx, parg); 2140 2141 case SSL_CTRL_GET_TLSEXT_TICKET_KEYS: 2142 return _SSL_CTX_get_tlsext_ticket_keys(ctx, parg, larg); 2143 2144 case SSL_CTRL_SET_TLSEXT_TICKET_KEYS: 2145 return _SSL_CTX_set_tlsext_ticket_keys(ctx, parg, larg); 2146 2147 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG: 2148 return _SSL_CTX_get_tlsext_status_arg(ctx, parg); 2149 2150 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG: 2151 return _SSL_CTX_set_tlsext_status_arg(ctx, parg); 2152 2153 case SSL_CTRL_EXTRA_CHAIN_CERT: 2154 return _SSL_CTX_add_extra_chain_cert(ctx, parg); 2155 2156 case SSL_CTRL_GET_EXTRA_CHAIN_CERTS: 2157 return _SSL_CTX_get_extra_chain_certs(ctx, parg); 2158 2159 case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS: 2160 return _SSL_CTX_clear_extra_chain_certs(ctx); 2161 2162 case SSL_CTRL_SET_GROUPS: 2163 return SSL_CTX_set1_groups(ctx, parg, larg); 2164 2165 case SSL_CTRL_SET_GROUPS_LIST: 2166 return SSL_CTX_set1_groups_list(ctx, parg); 2167 2168 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2169 return SSL_CTX_get_min_proto_version(ctx); 2170 2171 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2172 return SSL_CTX_get_max_proto_version(ctx); 2173 2174 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2175 if (larg < 0 || larg > UINT16_MAX) 2176 return 0; 2177 return SSL_CTX_set_min_proto_version(ctx, larg); 2178 2179 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2180 if (larg < 0 || larg > UINT16_MAX) 2181 return 0; 2182 return SSL_CTX_set_max_proto_version(ctx, larg); 2183 2184 /* 2185 * Legacy controls that should eventually be removed. 2186 */ 2187 case SSL_CTRL_NEED_TMP_RSA: 2188 return 0; 2189 2190 case SSL_CTRL_SET_TMP_RSA: 2191 case SSL_CTRL_SET_TMP_RSA_CB: 2192 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2193 return 0; 2194 } 2195 2196 return 0; 2197 } 2198 2199 long 2200 ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) 2201 { 2202 switch (cmd) { 2203 case SSL_CTRL_SET_TMP_RSA_CB: 2204 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2205 return 0; 2206 2207 case SSL_CTRL_SET_TMP_DH_CB: 2208 ctx->internal->cert->dh_tmp_cb = 2209 (DH *(*)(SSL *, int, int))fp; 2210 return 1; 2211 2212 case SSL_CTRL_SET_TMP_ECDH_CB: 2213 return 1; 2214 2215 case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB: 2216 ctx->internal->tlsext_servername_callback = 2217 (int (*)(SSL *, int *, void *))fp; 2218 return 1; 2219 2220 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB: 2221 *(int (**)(SSL *, void *))fp = ctx->internal->tlsext_status_cb; 2222 return 1; 2223 2224 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB: 2225 ctx->internal->tlsext_status_cb = (int (*)(SSL *, void *))fp; 2226 return 1; 2227 2228 case SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB: 2229 ctx->internal->tlsext_ticket_key_cb = (int (*)(SSL *, unsigned char *, 2230 unsigned char *, EVP_CIPHER_CTX *, HMAC_CTX *, int))fp; 2231 return 1; 2232 } 2233 2234 return 0; 2235 } 2236 2237 /* 2238 * This function needs to check if the ciphers required are actually available. 2239 */ 2240 const SSL_CIPHER * 2241 ssl3_get_cipher_by_char(const unsigned char *p) 2242 { 2243 uint16_t cipher_value; 2244 CBS cbs; 2245 2246 /* We have to assume it is at least 2 bytes due to existing API. */ 2247 CBS_init(&cbs, p, 2); 2248 if (!CBS_get_u16(&cbs, &cipher_value)) 2249 return NULL; 2250 2251 return ssl3_get_cipher_by_value(cipher_value); 2252 } 2253 2254 int 2255 ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) 2256 { 2257 CBB cbb; 2258 2259 if (p == NULL) 2260 return (2); 2261 2262 if ((c->id & ~SSL3_CK_VALUE_MASK) != SSL3_CK_ID) 2263 return (0); 2264 2265 memset(&cbb, 0, sizeof(cbb)); 2266 2267 /* We have to assume it is at least 2 bytes due to existing API. */ 2268 if (!CBB_init_fixed(&cbb, p, 2)) 2269 goto err; 2270 if (!CBB_add_u16(&cbb, ssl3_cipher_get_value(c))) 2271 goto err; 2272 if (!CBB_finish(&cbb, NULL, NULL)) 2273 goto err; 2274 2275 return (2); 2276 2277 err: 2278 CBB_cleanup(&cbb); 2279 return (0); 2280 } 2281 2282 SSL_CIPHER * 2283 ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, 2284 STACK_OF(SSL_CIPHER) *srvr) 2285 { 2286 unsigned long alg_k, alg_a, mask_k, mask_a; 2287 STACK_OF(SSL_CIPHER) *prio, *allow; 2288 SSL_CIPHER *c, *ret = NULL; 2289 int i, ii, ok; 2290 CERT *cert; 2291 2292 /* Let's see which ciphers we can support */ 2293 cert = s->cert; 2294 2295 /* 2296 * Do not set the compare functions, because this may lead to a 2297 * reordering by "id". We want to keep the original ordering. 2298 * We may pay a price in performance during sk_SSL_CIPHER_find(), 2299 * but would have to pay with the price of sk_SSL_CIPHER_dup(). 2300 */ 2301 2302 if (s->internal->options & SSL_OP_CIPHER_SERVER_PREFERENCE) { 2303 prio = srvr; 2304 allow = clnt; 2305 } else { 2306 prio = clnt; 2307 allow = srvr; 2308 } 2309 2310 for (i = 0; i < sk_SSL_CIPHER_num(prio); i++) { 2311 c = sk_SSL_CIPHER_value(prio, i); 2312 2313 /* Skip TLS v1.2 only ciphersuites if not supported. */ 2314 if ((c->algorithm_ssl & SSL_TLSV1_2) && 2315 !SSL_USE_TLS1_2_CIPHERS(s)) 2316 continue; 2317 2318 ssl_set_cert_masks(cert, c); 2319 mask_k = cert->mask_k; 2320 mask_a = cert->mask_a; 2321 2322 alg_k = c->algorithm_mkey; 2323 alg_a = c->algorithm_auth; 2324 2325 2326 ok = (alg_k & mask_k) && (alg_a & mask_a); 2327 2328 /* 2329 * If we are considering an ECC cipher suite that uses our 2330 * certificate check it. 2331 */ 2332 if (alg_a & SSL_aECDSA) 2333 ok = ok && tls1_check_ec_server_key(s); 2334 /* 2335 * If we are considering an ECC cipher suite that uses 2336 * an ephemeral EC key check it. 2337 */ 2338 if (alg_k & SSL_kECDHE) 2339 ok = ok && tls1_check_ec_tmp_key(s); 2340 2341 if (!ok) 2342 continue; 2343 ii = sk_SSL_CIPHER_find(allow, c); 2344 if (ii >= 0) { 2345 ret = sk_SSL_CIPHER_value(allow, ii); 2346 break; 2347 } 2348 } 2349 return (ret); 2350 } 2351 2352 int 2353 ssl3_get_req_cert_types(SSL *s, CBB *cbb) 2354 { 2355 unsigned long alg_k; 2356 2357 alg_k = S3I(s)->hs.new_cipher->algorithm_mkey; 2358 2359 #ifndef OPENSSL_NO_GOST 2360 if ((alg_k & SSL_kGOST) != 0) { 2361 if (!CBB_add_u8(cbb, TLS_CT_GOST94_SIGN)) 2362 return 0; 2363 if (!CBB_add_u8(cbb, TLS_CT_GOST01_SIGN)) 2364 return 0; 2365 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN)) 2366 return 0; 2367 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN)) 2368 return 0; 2369 } 2370 #endif 2371 2372 if ((alg_k & SSL_kDHE) != 0) { 2373 if (!CBB_add_u8(cbb, SSL3_CT_RSA_FIXED_DH)) 2374 return 0; 2375 } 2376 2377 if (!CBB_add_u8(cbb, SSL3_CT_RSA_SIGN)) 2378 return 0; 2379 2380 /* 2381 * ECDSA certs can be used with RSA cipher suites as well 2382 * so we don't need to check for SSL_kECDH or SSL_kECDHE. 2383 */ 2384 if (!CBB_add_u8(cbb, TLS_CT_ECDSA_SIGN)) 2385 return 0; 2386 2387 return 1; 2388 } 2389 2390 int 2391 ssl3_shutdown(SSL *s) 2392 { 2393 int ret; 2394 2395 /* 2396 * Don't do anything much if we have not done the handshake or 2397 * we don't want to send messages :-) 2398 */ 2399 if ((s->internal->quiet_shutdown) || (S3I(s)->hs.state == SSL_ST_BEFORE)) { 2400 s->internal->shutdown = (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2401 return (1); 2402 } 2403 2404 if (!(s->internal->shutdown & SSL_SENT_SHUTDOWN)) { 2405 s->internal->shutdown|=SSL_SENT_SHUTDOWN; 2406 ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY); 2407 /* 2408 * Our shutdown alert has been sent now, and if it still needs 2409 * to be written, s->s3->alert_dispatch will be true 2410 */ 2411 if (s->s3->alert_dispatch) 2412 return(-1); /* return WANT_WRITE */ 2413 } else if (s->s3->alert_dispatch) { 2414 /* resend it if not sent */ 2415 ret = s->method->ssl_dispatch_alert(s); 2416 if (ret == -1) { 2417 /* 2418 * We only get to return -1 here the 2nd/Nth 2419 * invocation, we must have already signalled 2420 * return 0 upon a previous invoation, 2421 * return WANT_WRITE 2422 */ 2423 return (ret); 2424 } 2425 } else if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2426 /* If we are waiting for a close from our peer, we are closed */ 2427 s->method->internal->ssl_read_bytes(s, 0, NULL, 0, 0); 2428 if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2429 return(-1); /* return WANT_READ */ 2430 } 2431 } 2432 2433 if ((s->internal->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) && 2434 !s->s3->alert_dispatch) 2435 return (1); 2436 else 2437 return (0); 2438 } 2439 2440 int 2441 ssl3_write(SSL *s, const void *buf, int len) 2442 { 2443 errno = 0; 2444 2445 if (S3I(s)->renegotiate) 2446 ssl3_renegotiate_check(s); 2447 2448 return s->method->internal->ssl_write_bytes(s, 2449 SSL3_RT_APPLICATION_DATA, buf, len); 2450 } 2451 2452 static int 2453 ssl3_read_internal(SSL *s, void *buf, int len, int peek) 2454 { 2455 int ret; 2456 2457 errno = 0; 2458 if (S3I(s)->renegotiate) 2459 ssl3_renegotiate_check(s); 2460 S3I(s)->in_read_app_data = 1; 2461 ret = s->method->internal->ssl_read_bytes(s, 2462 SSL3_RT_APPLICATION_DATA, buf, len, peek); 2463 if ((ret == -1) && (S3I(s)->in_read_app_data == 2)) { 2464 /* 2465 * ssl3_read_bytes decided to call s->internal->handshake_func, which 2466 * called ssl3_read_bytes to read handshake data. 2467 * However, ssl3_read_bytes actually found application data 2468 * and thinks that application data makes sense here; so disable 2469 * handshake processing and try to read application data again. 2470 */ 2471 s->internal->in_handshake++; 2472 ret = s->method->internal->ssl_read_bytes(s, 2473 SSL3_RT_APPLICATION_DATA, buf, len, peek); 2474 s->internal->in_handshake--; 2475 } else 2476 S3I(s)->in_read_app_data = 0; 2477 2478 return (ret); 2479 } 2480 2481 int 2482 ssl3_read(SSL *s, void *buf, int len) 2483 { 2484 return ssl3_read_internal(s, buf, len, 0); 2485 } 2486 2487 int 2488 ssl3_peek(SSL *s, void *buf, int len) 2489 { 2490 return ssl3_read_internal(s, buf, len, 1); 2491 } 2492 2493 int 2494 ssl3_renegotiate(SSL *s) 2495 { 2496 if (s->internal->handshake_func == NULL) 2497 return (1); 2498 2499 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) 2500 return (0); 2501 2502 S3I(s)->renegotiate = 1; 2503 return (1); 2504 } 2505 2506 int 2507 ssl3_renegotiate_check(SSL *s) 2508 { 2509 int ret = 0; 2510 2511 if (S3I(s)->renegotiate) { 2512 if ((s->s3->rbuf.left == 0) && (s->s3->wbuf.left == 0) && 2513 !SSL_in_init(s)) { 2514 /* 2515 * If we are the server, and we have sent 2516 * a 'RENEGOTIATE' message, we need to go 2517 * to SSL_ST_ACCEPT. 2518 */ 2519 /* SSL_ST_ACCEPT */ 2520 S3I(s)->hs.state = SSL_ST_RENEGOTIATE; 2521 S3I(s)->renegotiate = 0; 2522 S3I(s)->num_renegotiations++; 2523 S3I(s)->total_renegotiations++; 2524 ret = 1; 2525 } 2526 } 2527 return (ret); 2528 } 2529 /* 2530 * If we are using default SHA1+MD5 algorithms switch to new SHA256 PRF 2531 * and handshake macs if required. 2532 */ 2533 long 2534 ssl_get_algorithm2(SSL *s) 2535 { 2536 long alg2 = S3I(s)->hs.new_cipher->algorithm2; 2537 2538 if (s->method->internal->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF && 2539 alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF)) 2540 return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256; 2541 return alg2; 2542 } 2543