1 /* $OpenBSD: s3_lib.c,v 1.219 2021/11/02 13:59:29 tb 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 #include <openssl/opensslconf.h> 160 161 #include "bytestring.h" 162 #include "dtls_locl.h" 163 #include "ssl_locl.h" 164 #include "ssl_sigalgs.h" 165 #include "ssl_tlsext.h" 166 167 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers) / sizeof(SSL_CIPHER)) 168 169 /* 170 * FIXED_NONCE_LEN is a macro that provides in the correct value to set the 171 * fixed nonce length in algorithms2. It is the inverse of the 172 * SSL_CIPHER_AEAD_FIXED_NONCE_LEN macro. 173 */ 174 #define FIXED_NONCE_LEN(x) (((x / 2) & 0xf) << 24) 175 176 /* list of available SSLv3 ciphers (sorted by id) */ 177 const SSL_CIPHER ssl3_ciphers[] = { 178 179 /* The RSA ciphers */ 180 /* Cipher 01 */ 181 { 182 .valid = 1, 183 .name = SSL3_TXT_RSA_NULL_MD5, 184 .id = SSL3_CK_RSA_NULL_MD5, 185 .algorithm_mkey = SSL_kRSA, 186 .algorithm_auth = SSL_aRSA, 187 .algorithm_enc = SSL_eNULL, 188 .algorithm_mac = SSL_MD5, 189 .algorithm_ssl = SSL_SSLV3, 190 .algo_strength = SSL_STRONG_NONE, 191 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 192 .strength_bits = 0, 193 .alg_bits = 0, 194 }, 195 196 /* Cipher 02 */ 197 { 198 .valid = 1, 199 .name = SSL3_TXT_RSA_NULL_SHA, 200 .id = SSL3_CK_RSA_NULL_SHA, 201 .algorithm_mkey = SSL_kRSA, 202 .algorithm_auth = SSL_aRSA, 203 .algorithm_enc = SSL_eNULL, 204 .algorithm_mac = SSL_SHA1, 205 .algorithm_ssl = SSL_SSLV3, 206 .algo_strength = SSL_STRONG_NONE, 207 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 208 .strength_bits = 0, 209 .alg_bits = 0, 210 }, 211 212 /* Cipher 04 */ 213 { 214 .valid = 1, 215 .name = SSL3_TXT_RSA_RC4_128_MD5, 216 .id = SSL3_CK_RSA_RC4_128_MD5, 217 .algorithm_mkey = SSL_kRSA, 218 .algorithm_auth = SSL_aRSA, 219 .algorithm_enc = SSL_RC4, 220 .algorithm_mac = SSL_MD5, 221 .algorithm_ssl = SSL_SSLV3, 222 .algo_strength = SSL_LOW, 223 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 224 .strength_bits = 128, 225 .alg_bits = 128, 226 }, 227 228 /* Cipher 05 */ 229 { 230 .valid = 1, 231 .name = SSL3_TXT_RSA_RC4_128_SHA, 232 .id = SSL3_CK_RSA_RC4_128_SHA, 233 .algorithm_mkey = SSL_kRSA, 234 .algorithm_auth = SSL_aRSA, 235 .algorithm_enc = SSL_RC4, 236 .algorithm_mac = SSL_SHA1, 237 .algorithm_ssl = SSL_SSLV3, 238 .algo_strength = SSL_LOW, 239 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 240 .strength_bits = 128, 241 .alg_bits = 128, 242 }, 243 244 /* Cipher 0A */ 245 { 246 .valid = 1, 247 .name = SSL3_TXT_RSA_DES_192_CBC3_SHA, 248 .id = SSL3_CK_RSA_DES_192_CBC3_SHA, 249 .algorithm_mkey = SSL_kRSA, 250 .algorithm_auth = SSL_aRSA, 251 .algorithm_enc = SSL_3DES, 252 .algorithm_mac = SSL_SHA1, 253 .algorithm_ssl = SSL_SSLV3, 254 .algo_strength = SSL_MEDIUM, 255 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 256 .strength_bits = 112, 257 .alg_bits = 168, 258 }, 259 260 /* 261 * Ephemeral DH (DHE) ciphers. 262 */ 263 264 /* Cipher 16 */ 265 { 266 .valid = 1, 267 .name = SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, 268 .id = SSL3_CK_EDH_RSA_DES_192_CBC3_SHA, 269 .algorithm_mkey = SSL_kDHE, 270 .algorithm_auth = SSL_aRSA, 271 .algorithm_enc = SSL_3DES, 272 .algorithm_mac = SSL_SHA1, 273 .algorithm_ssl = SSL_SSLV3, 274 .algo_strength = SSL_MEDIUM, 275 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 276 .strength_bits = 112, 277 .alg_bits = 168, 278 }, 279 280 /* Cipher 18 */ 281 { 282 .valid = 1, 283 .name = SSL3_TXT_ADH_RC4_128_MD5, 284 .id = SSL3_CK_ADH_RC4_128_MD5, 285 .algorithm_mkey = SSL_kDHE, 286 .algorithm_auth = SSL_aNULL, 287 .algorithm_enc = SSL_RC4, 288 .algorithm_mac = SSL_MD5, 289 .algorithm_ssl = SSL_SSLV3, 290 .algo_strength = SSL_LOW, 291 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 292 .strength_bits = 128, 293 .alg_bits = 128, 294 }, 295 296 /* Cipher 1B */ 297 { 298 .valid = 1, 299 .name = SSL3_TXT_ADH_DES_192_CBC_SHA, 300 .id = SSL3_CK_ADH_DES_192_CBC_SHA, 301 .algorithm_mkey = SSL_kDHE, 302 .algorithm_auth = SSL_aNULL, 303 .algorithm_enc = SSL_3DES, 304 .algorithm_mac = SSL_SHA1, 305 .algorithm_ssl = SSL_SSLV3, 306 .algo_strength = SSL_MEDIUM, 307 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 308 .strength_bits = 112, 309 .alg_bits = 168, 310 }, 311 312 /* 313 * AES ciphersuites. 314 */ 315 316 /* Cipher 2F */ 317 { 318 .valid = 1, 319 .name = TLS1_TXT_RSA_WITH_AES_128_SHA, 320 .id = TLS1_CK_RSA_WITH_AES_128_SHA, 321 .algorithm_mkey = SSL_kRSA, 322 .algorithm_auth = SSL_aRSA, 323 .algorithm_enc = SSL_AES128, 324 .algorithm_mac = SSL_SHA1, 325 .algorithm_ssl = SSL_TLSV1, 326 .algo_strength = SSL_HIGH, 327 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 328 .strength_bits = 128, 329 .alg_bits = 128, 330 }, 331 332 /* Cipher 33 */ 333 { 334 .valid = 1, 335 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA, 336 .id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA, 337 .algorithm_mkey = SSL_kDHE, 338 .algorithm_auth = SSL_aRSA, 339 .algorithm_enc = SSL_AES128, 340 .algorithm_mac = SSL_SHA1, 341 .algorithm_ssl = SSL_TLSV1, 342 .algo_strength = SSL_HIGH, 343 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 344 .strength_bits = 128, 345 .alg_bits = 128, 346 }, 347 348 /* Cipher 34 */ 349 { 350 .valid = 1, 351 .name = TLS1_TXT_ADH_WITH_AES_128_SHA, 352 .id = TLS1_CK_ADH_WITH_AES_128_SHA, 353 .algorithm_mkey = SSL_kDHE, 354 .algorithm_auth = SSL_aNULL, 355 .algorithm_enc = SSL_AES128, 356 .algorithm_mac = SSL_SHA1, 357 .algorithm_ssl = SSL_TLSV1, 358 .algo_strength = SSL_HIGH, 359 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 360 .strength_bits = 128, 361 .alg_bits = 128, 362 }, 363 364 /* Cipher 35 */ 365 { 366 .valid = 1, 367 .name = TLS1_TXT_RSA_WITH_AES_256_SHA, 368 .id = TLS1_CK_RSA_WITH_AES_256_SHA, 369 .algorithm_mkey = SSL_kRSA, 370 .algorithm_auth = SSL_aRSA, 371 .algorithm_enc = SSL_AES256, 372 .algorithm_mac = SSL_SHA1, 373 .algorithm_ssl = SSL_TLSV1, 374 .algo_strength = SSL_HIGH, 375 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 376 .strength_bits = 256, 377 .alg_bits = 256, 378 }, 379 380 /* Cipher 39 */ 381 { 382 .valid = 1, 383 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA, 384 .id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA, 385 .algorithm_mkey = SSL_kDHE, 386 .algorithm_auth = SSL_aRSA, 387 .algorithm_enc = SSL_AES256, 388 .algorithm_mac = SSL_SHA1, 389 .algorithm_ssl = SSL_TLSV1, 390 .algo_strength = SSL_HIGH, 391 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 392 .strength_bits = 256, 393 .alg_bits = 256, 394 }, 395 396 /* Cipher 3A */ 397 { 398 .valid = 1, 399 .name = TLS1_TXT_ADH_WITH_AES_256_SHA, 400 .id = TLS1_CK_ADH_WITH_AES_256_SHA, 401 .algorithm_mkey = SSL_kDHE, 402 .algorithm_auth = SSL_aNULL, 403 .algorithm_enc = SSL_AES256, 404 .algorithm_mac = SSL_SHA1, 405 .algorithm_ssl = SSL_TLSV1, 406 .algo_strength = SSL_HIGH, 407 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 408 .strength_bits = 256, 409 .alg_bits = 256, 410 }, 411 412 /* TLS v1.2 ciphersuites */ 413 /* Cipher 3B */ 414 { 415 .valid = 1, 416 .name = TLS1_TXT_RSA_WITH_NULL_SHA256, 417 .id = TLS1_CK_RSA_WITH_NULL_SHA256, 418 .algorithm_mkey = SSL_kRSA, 419 .algorithm_auth = SSL_aRSA, 420 .algorithm_enc = SSL_eNULL, 421 .algorithm_mac = SSL_SHA256, 422 .algorithm_ssl = SSL_TLSV1_2, 423 .algo_strength = SSL_STRONG_NONE, 424 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 425 .strength_bits = 0, 426 .alg_bits = 0, 427 }, 428 429 /* Cipher 3C */ 430 { 431 .valid = 1, 432 .name = TLS1_TXT_RSA_WITH_AES_128_SHA256, 433 .id = TLS1_CK_RSA_WITH_AES_128_SHA256, 434 .algorithm_mkey = SSL_kRSA, 435 .algorithm_auth = SSL_aRSA, 436 .algorithm_enc = SSL_AES128, 437 .algorithm_mac = SSL_SHA256, 438 .algorithm_ssl = SSL_TLSV1_2, 439 .algo_strength = SSL_HIGH, 440 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 441 .strength_bits = 128, 442 .alg_bits = 128, 443 }, 444 445 /* Cipher 3D */ 446 { 447 .valid = 1, 448 .name = TLS1_TXT_RSA_WITH_AES_256_SHA256, 449 .id = TLS1_CK_RSA_WITH_AES_256_SHA256, 450 .algorithm_mkey = SSL_kRSA, 451 .algorithm_auth = SSL_aRSA, 452 .algorithm_enc = SSL_AES256, 453 .algorithm_mac = SSL_SHA256, 454 .algorithm_ssl = SSL_TLSV1_2, 455 .algo_strength = SSL_HIGH, 456 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 457 .strength_bits = 256, 458 .alg_bits = 256, 459 }, 460 461 #ifndef OPENSSL_NO_CAMELLIA 462 /* Camellia ciphersuites from RFC4132 (128-bit portion) */ 463 464 /* Cipher 41 */ 465 { 466 .valid = 1, 467 .name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA, 468 .id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA, 469 .algorithm_mkey = SSL_kRSA, 470 .algorithm_auth = SSL_aRSA, 471 .algorithm_enc = SSL_CAMELLIA128, 472 .algorithm_mac = SSL_SHA1, 473 .algorithm_ssl = SSL_TLSV1, 474 .algo_strength = SSL_HIGH, 475 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 476 .strength_bits = 128, 477 .alg_bits = 128, 478 }, 479 480 /* Cipher 45 */ 481 { 482 .valid = 1, 483 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, 484 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, 485 .algorithm_mkey = SSL_kDHE, 486 .algorithm_auth = SSL_aRSA, 487 .algorithm_enc = SSL_CAMELLIA128, 488 .algorithm_mac = SSL_SHA1, 489 .algorithm_ssl = SSL_TLSV1, 490 .algo_strength = SSL_HIGH, 491 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 492 .strength_bits = 128, 493 .alg_bits = 128, 494 }, 495 496 /* Cipher 46 */ 497 { 498 .valid = 1, 499 .name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA, 500 .id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA, 501 .algorithm_mkey = SSL_kDHE, 502 .algorithm_auth = SSL_aNULL, 503 .algorithm_enc = SSL_CAMELLIA128, 504 .algorithm_mac = SSL_SHA1, 505 .algorithm_ssl = SSL_TLSV1, 506 .algo_strength = SSL_HIGH, 507 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 508 .strength_bits = 128, 509 .alg_bits = 128, 510 }, 511 #endif /* OPENSSL_NO_CAMELLIA */ 512 513 /* TLS v1.2 ciphersuites */ 514 /* Cipher 67 */ 515 { 516 .valid = 1, 517 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA256, 518 .id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA256, 519 .algorithm_mkey = SSL_kDHE, 520 .algorithm_auth = SSL_aRSA, 521 .algorithm_enc = SSL_AES128, 522 .algorithm_mac = SSL_SHA256, 523 .algorithm_ssl = SSL_TLSV1_2, 524 .algo_strength = SSL_HIGH, 525 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 526 .strength_bits = 128, 527 .alg_bits = 128, 528 }, 529 530 /* Cipher 6B */ 531 { 532 .valid = 1, 533 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA256, 534 .id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA256, 535 .algorithm_mkey = SSL_kDHE, 536 .algorithm_auth = SSL_aRSA, 537 .algorithm_enc = SSL_AES256, 538 .algorithm_mac = SSL_SHA256, 539 .algorithm_ssl = SSL_TLSV1_2, 540 .algo_strength = SSL_HIGH, 541 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 542 .strength_bits = 256, 543 .alg_bits = 256, 544 }, 545 546 /* Cipher 6C */ 547 { 548 .valid = 1, 549 .name = TLS1_TXT_ADH_WITH_AES_128_SHA256, 550 .id = TLS1_CK_ADH_WITH_AES_128_SHA256, 551 .algorithm_mkey = SSL_kDHE, 552 .algorithm_auth = SSL_aNULL, 553 .algorithm_enc = SSL_AES128, 554 .algorithm_mac = SSL_SHA256, 555 .algorithm_ssl = SSL_TLSV1_2, 556 .algo_strength = SSL_HIGH, 557 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 558 .strength_bits = 128, 559 .alg_bits = 128, 560 }, 561 562 /* Cipher 6D */ 563 { 564 .valid = 1, 565 .name = TLS1_TXT_ADH_WITH_AES_256_SHA256, 566 .id = TLS1_CK_ADH_WITH_AES_256_SHA256, 567 .algorithm_mkey = SSL_kDHE, 568 .algorithm_auth = SSL_aNULL, 569 .algorithm_enc = SSL_AES256, 570 .algorithm_mac = SSL_SHA256, 571 .algorithm_ssl = SSL_TLSV1_2, 572 .algo_strength = SSL_HIGH, 573 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 574 .strength_bits = 256, 575 .alg_bits = 256, 576 }, 577 578 /* GOST Ciphersuites */ 579 580 /* Cipher 81 */ 581 { 582 .valid = 1, 583 .name = "GOST2001-GOST89-GOST89", 584 .id = 0x3000081, 585 .algorithm_mkey = SSL_kGOST, 586 .algorithm_auth = SSL_aGOST01, 587 .algorithm_enc = SSL_eGOST2814789CNT, 588 .algorithm_mac = SSL_GOST89MAC, 589 .algorithm_ssl = SSL_TLSV1, 590 .algo_strength = SSL_HIGH, 591 .algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94| 592 TLS1_STREAM_MAC, 593 .strength_bits = 256, 594 .alg_bits = 256 595 }, 596 597 /* Cipher 83 */ 598 { 599 .valid = 1, 600 .name = "GOST2001-NULL-GOST94", 601 .id = 0x3000083, 602 .algorithm_mkey = SSL_kGOST, 603 .algorithm_auth = SSL_aGOST01, 604 .algorithm_enc = SSL_eNULL, 605 .algorithm_mac = SSL_GOST94, 606 .algorithm_ssl = SSL_TLSV1, 607 .algo_strength = SSL_STRONG_NONE, 608 .algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94, 609 .strength_bits = 0, 610 .alg_bits = 0 611 }, 612 613 #ifndef OPENSSL_NO_CAMELLIA 614 /* Camellia ciphersuites from RFC4132 (256-bit portion) */ 615 616 /* Cipher 84 */ 617 { 618 .valid = 1, 619 .name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA, 620 .id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA, 621 .algorithm_mkey = SSL_kRSA, 622 .algorithm_auth = SSL_aRSA, 623 .algorithm_enc = SSL_CAMELLIA256, 624 .algorithm_mac = SSL_SHA1, 625 .algorithm_ssl = SSL_TLSV1, 626 .algo_strength = SSL_HIGH, 627 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 628 .strength_bits = 256, 629 .alg_bits = 256, 630 }, 631 632 /* Cipher 88 */ 633 { 634 .valid = 1, 635 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, 636 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, 637 .algorithm_mkey = SSL_kDHE, 638 .algorithm_auth = SSL_aRSA, 639 .algorithm_enc = SSL_CAMELLIA256, 640 .algorithm_mac = SSL_SHA1, 641 .algorithm_ssl = SSL_TLSV1, 642 .algo_strength = SSL_HIGH, 643 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 644 .strength_bits = 256, 645 .alg_bits = 256, 646 }, 647 648 /* Cipher 89 */ 649 { 650 .valid = 1, 651 .name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA, 652 .id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA, 653 .algorithm_mkey = SSL_kDHE, 654 .algorithm_auth = SSL_aNULL, 655 .algorithm_enc = SSL_CAMELLIA256, 656 .algorithm_mac = SSL_SHA1, 657 .algorithm_ssl = SSL_TLSV1, 658 .algo_strength = SSL_HIGH, 659 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 660 .strength_bits = 256, 661 .alg_bits = 256, 662 }, 663 #endif /* OPENSSL_NO_CAMELLIA */ 664 665 /* 666 * GCM ciphersuites from RFC5288. 667 */ 668 669 /* Cipher 9C */ 670 { 671 .valid = 1, 672 .name = TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256, 673 .id = TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 674 .algorithm_mkey = SSL_kRSA, 675 .algorithm_auth = SSL_aRSA, 676 .algorithm_enc = SSL_AES128GCM, 677 .algorithm_mac = SSL_AEAD, 678 .algorithm_ssl = SSL_TLSV1_2, 679 .algo_strength = SSL_HIGH, 680 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 681 FIXED_NONCE_LEN(4)| 682 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 683 .strength_bits = 128, 684 .alg_bits = 128, 685 }, 686 687 /* Cipher 9D */ 688 { 689 .valid = 1, 690 .name = TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384, 691 .id = TLS1_CK_RSA_WITH_AES_256_GCM_SHA384, 692 .algorithm_mkey = SSL_kRSA, 693 .algorithm_auth = SSL_aRSA, 694 .algorithm_enc = SSL_AES256GCM, 695 .algorithm_mac = SSL_AEAD, 696 .algorithm_ssl = SSL_TLSV1_2, 697 .algo_strength = SSL_HIGH, 698 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 699 FIXED_NONCE_LEN(4)| 700 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 701 .strength_bits = 256, 702 .alg_bits = 256, 703 }, 704 705 /* Cipher 9E */ 706 { 707 .valid = 1, 708 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256, 709 .id = TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, 710 .algorithm_mkey = SSL_kDHE, 711 .algorithm_auth = SSL_aRSA, 712 .algorithm_enc = SSL_AES128GCM, 713 .algorithm_mac = SSL_AEAD, 714 .algorithm_ssl = SSL_TLSV1_2, 715 .algo_strength = SSL_HIGH, 716 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 717 FIXED_NONCE_LEN(4)| 718 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 719 .strength_bits = 128, 720 .alg_bits = 128, 721 }, 722 723 /* Cipher 9F */ 724 { 725 .valid = 1, 726 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384, 727 .id = TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384, 728 .algorithm_mkey = SSL_kDHE, 729 .algorithm_auth = SSL_aRSA, 730 .algorithm_enc = SSL_AES256GCM, 731 .algorithm_mac = SSL_AEAD, 732 .algorithm_ssl = SSL_TLSV1_2, 733 .algo_strength = SSL_HIGH, 734 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 735 FIXED_NONCE_LEN(4)| 736 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 737 .strength_bits = 256, 738 .alg_bits = 256, 739 }, 740 741 /* Cipher A6 */ 742 { 743 .valid = 1, 744 .name = TLS1_TXT_ADH_WITH_AES_128_GCM_SHA256, 745 .id = TLS1_CK_ADH_WITH_AES_128_GCM_SHA256, 746 .algorithm_mkey = SSL_kDHE, 747 .algorithm_auth = SSL_aNULL, 748 .algorithm_enc = SSL_AES128GCM, 749 .algorithm_mac = SSL_AEAD, 750 .algorithm_ssl = SSL_TLSV1_2, 751 .algo_strength = SSL_HIGH, 752 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 753 FIXED_NONCE_LEN(4)| 754 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 755 .strength_bits = 128, 756 .alg_bits = 128, 757 }, 758 759 /* Cipher A7 */ 760 { 761 .valid = 1, 762 .name = TLS1_TXT_ADH_WITH_AES_256_GCM_SHA384, 763 .id = TLS1_CK_ADH_WITH_AES_256_GCM_SHA384, 764 .algorithm_mkey = SSL_kDHE, 765 .algorithm_auth = SSL_aNULL, 766 .algorithm_enc = SSL_AES256GCM, 767 .algorithm_mac = SSL_AEAD, 768 .algorithm_ssl = SSL_TLSV1_2, 769 .algo_strength = SSL_HIGH, 770 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 771 FIXED_NONCE_LEN(4)| 772 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 773 .strength_bits = 256, 774 .alg_bits = 256, 775 }, 776 777 #ifndef OPENSSL_NO_CAMELLIA 778 /* TLS 1.2 Camellia SHA-256 ciphersuites from RFC5932 */ 779 780 /* Cipher BA */ 781 { 782 .valid = 1, 783 .name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA256, 784 .id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA256, 785 .algorithm_mkey = SSL_kRSA, 786 .algorithm_auth = SSL_aRSA, 787 .algorithm_enc = SSL_CAMELLIA128, 788 .algorithm_mac = SSL_SHA256, 789 .algorithm_ssl = SSL_TLSV1_2, 790 .algo_strength = SSL_HIGH, 791 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 792 .strength_bits = 128, 793 .alg_bits = 128, 794 }, 795 796 /* Cipher BE */ 797 { 798 .valid = 1, 799 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, 800 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, 801 .algorithm_mkey = SSL_kDHE, 802 .algorithm_auth = SSL_aRSA, 803 .algorithm_enc = SSL_CAMELLIA128, 804 .algorithm_mac = SSL_SHA256, 805 .algorithm_ssl = SSL_TLSV1_2, 806 .algo_strength = SSL_HIGH, 807 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 808 .strength_bits = 128, 809 .alg_bits = 128, 810 }, 811 812 /* Cipher BF */ 813 { 814 .valid = 1, 815 .name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA256, 816 .id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA256, 817 .algorithm_mkey = SSL_kDHE, 818 .algorithm_auth = SSL_aNULL, 819 .algorithm_enc = SSL_CAMELLIA128, 820 .algorithm_mac = SSL_SHA256, 821 .algorithm_ssl = SSL_TLSV1_2, 822 .algo_strength = SSL_HIGH, 823 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 824 .strength_bits = 128, 825 .alg_bits = 128, 826 }, 827 828 /* Cipher C0 */ 829 { 830 .valid = 1, 831 .name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA256, 832 .id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA256, 833 .algorithm_mkey = SSL_kRSA, 834 .algorithm_auth = SSL_aRSA, 835 .algorithm_enc = SSL_CAMELLIA256, 836 .algorithm_mac = SSL_SHA256, 837 .algorithm_ssl = SSL_TLSV1_2, 838 .algo_strength = SSL_HIGH, 839 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 840 .strength_bits = 256, 841 .alg_bits = 256, 842 }, 843 844 /* Cipher C4 */ 845 { 846 .valid = 1, 847 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, 848 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, 849 .algorithm_mkey = SSL_kDHE, 850 .algorithm_auth = SSL_aRSA, 851 .algorithm_enc = SSL_CAMELLIA256, 852 .algorithm_mac = SSL_SHA256, 853 .algorithm_ssl = SSL_TLSV1_2, 854 .algo_strength = SSL_HIGH, 855 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 856 .strength_bits = 256, 857 .alg_bits = 256, 858 }, 859 860 /* Cipher C5 */ 861 { 862 .valid = 1, 863 .name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA256, 864 .id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA256, 865 .algorithm_mkey = SSL_kDHE, 866 .algorithm_auth = SSL_aNULL, 867 .algorithm_enc = SSL_CAMELLIA256, 868 .algorithm_mac = SSL_SHA256, 869 .algorithm_ssl = SSL_TLSV1_2, 870 .algo_strength = SSL_HIGH, 871 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 872 .strength_bits = 256, 873 .alg_bits = 256, 874 }, 875 #endif /* OPENSSL_NO_CAMELLIA */ 876 877 /* 878 * TLSv1.3 cipher suites. 879 */ 880 881 #ifdef LIBRESSL_HAS_TLS1_3 882 /* Cipher 1301 */ 883 { 884 .valid = 1, 885 .name = TLS1_3_TXT_AES_128_GCM_SHA256, 886 .id = TLS1_3_CK_AES_128_GCM_SHA256, 887 .algorithm_mkey = SSL_kTLS1_3, 888 .algorithm_auth = SSL_aTLS1_3, 889 .algorithm_enc = SSL_AES128GCM, 890 .algorithm_mac = SSL_AEAD, 891 .algorithm_ssl = SSL_TLSV1_3, 892 .algo_strength = SSL_HIGH, 893 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256, /* XXX */ 894 .strength_bits = 128, 895 .alg_bits = 128, 896 }, 897 898 /* Cipher 1302 */ 899 { 900 .valid = 1, 901 .name = TLS1_3_TXT_AES_256_GCM_SHA384, 902 .id = TLS1_3_CK_AES_256_GCM_SHA384, 903 .algorithm_mkey = SSL_kTLS1_3, 904 .algorithm_auth = SSL_aTLS1_3, 905 .algorithm_enc = SSL_AES256GCM, 906 .algorithm_mac = SSL_AEAD, 907 .algorithm_ssl = SSL_TLSV1_3, 908 .algo_strength = SSL_HIGH, 909 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384, /* XXX */ 910 .strength_bits = 256, 911 .alg_bits = 256, 912 }, 913 914 /* Cipher 1303 */ 915 { 916 .valid = 1, 917 .name = TLS1_3_TXT_CHACHA20_POLY1305_SHA256, 918 .id = TLS1_3_CK_CHACHA20_POLY1305_SHA256, 919 .algorithm_mkey = SSL_kTLS1_3, 920 .algorithm_auth = SSL_aTLS1_3, 921 .algorithm_enc = SSL_CHACHA20POLY1305, 922 .algorithm_mac = SSL_AEAD, 923 .algorithm_ssl = SSL_TLSV1_3, 924 .algo_strength = SSL_HIGH, 925 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256, /* XXX */ 926 .strength_bits = 256, 927 .alg_bits = 256, 928 }, 929 #endif 930 931 /* Cipher C006 */ 932 { 933 .valid = 1, 934 .name = TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA, 935 .id = TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA, 936 .algorithm_mkey = SSL_kECDHE, 937 .algorithm_auth = SSL_aECDSA, 938 .algorithm_enc = SSL_eNULL, 939 .algorithm_mac = SSL_SHA1, 940 .algorithm_ssl = SSL_TLSV1, 941 .algo_strength = SSL_STRONG_NONE, 942 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 943 .strength_bits = 0, 944 .alg_bits = 0, 945 }, 946 947 /* Cipher C007 */ 948 { 949 .valid = 1, 950 .name = TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA, 951 .id = TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA, 952 .algorithm_mkey = SSL_kECDHE, 953 .algorithm_auth = SSL_aECDSA, 954 .algorithm_enc = SSL_RC4, 955 .algorithm_mac = SSL_SHA1, 956 .algorithm_ssl = SSL_TLSV1, 957 .algo_strength = SSL_LOW, 958 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 959 .strength_bits = 128, 960 .alg_bits = 128, 961 }, 962 963 /* Cipher C008 */ 964 { 965 .valid = 1, 966 .name = TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, 967 .id = TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, 968 .algorithm_mkey = SSL_kECDHE, 969 .algorithm_auth = SSL_aECDSA, 970 .algorithm_enc = SSL_3DES, 971 .algorithm_mac = SSL_SHA1, 972 .algorithm_ssl = SSL_TLSV1, 973 .algo_strength = SSL_MEDIUM, 974 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 975 .strength_bits = 112, 976 .alg_bits = 168, 977 }, 978 979 /* Cipher C009 */ 980 { 981 .valid = 1, 982 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 983 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 984 .algorithm_mkey = SSL_kECDHE, 985 .algorithm_auth = SSL_aECDSA, 986 .algorithm_enc = SSL_AES128, 987 .algorithm_mac = SSL_SHA1, 988 .algorithm_ssl = SSL_TLSV1, 989 .algo_strength = SSL_HIGH, 990 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 991 .strength_bits = 128, 992 .alg_bits = 128, 993 }, 994 995 /* Cipher C00A */ 996 { 997 .valid = 1, 998 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 999 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 1000 .algorithm_mkey = SSL_kECDHE, 1001 .algorithm_auth = SSL_aECDSA, 1002 .algorithm_enc = SSL_AES256, 1003 .algorithm_mac = SSL_SHA1, 1004 .algorithm_ssl = SSL_TLSV1, 1005 .algo_strength = SSL_HIGH, 1006 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1007 .strength_bits = 256, 1008 .alg_bits = 256, 1009 }, 1010 1011 /* Cipher C010 */ 1012 { 1013 .valid = 1, 1014 .name = TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA, 1015 .id = TLS1_CK_ECDHE_RSA_WITH_NULL_SHA, 1016 .algorithm_mkey = SSL_kECDHE, 1017 .algorithm_auth = SSL_aRSA, 1018 .algorithm_enc = SSL_eNULL, 1019 .algorithm_mac = SSL_SHA1, 1020 .algorithm_ssl = SSL_TLSV1, 1021 .algo_strength = SSL_STRONG_NONE, 1022 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1023 .strength_bits = 0, 1024 .alg_bits = 0, 1025 }, 1026 1027 /* Cipher C011 */ 1028 { 1029 .valid = 1, 1030 .name = TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA, 1031 .id = TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA, 1032 .algorithm_mkey = SSL_kECDHE, 1033 .algorithm_auth = SSL_aRSA, 1034 .algorithm_enc = SSL_RC4, 1035 .algorithm_mac = SSL_SHA1, 1036 .algorithm_ssl = SSL_TLSV1, 1037 .algo_strength = SSL_LOW, 1038 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1039 .strength_bits = 128, 1040 .alg_bits = 128, 1041 }, 1042 1043 /* Cipher C012 */ 1044 { 1045 .valid = 1, 1046 .name = TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA, 1047 .id = TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA, 1048 .algorithm_mkey = SSL_kECDHE, 1049 .algorithm_auth = SSL_aRSA, 1050 .algorithm_enc = SSL_3DES, 1051 .algorithm_mac = SSL_SHA1, 1052 .algorithm_ssl = SSL_TLSV1, 1053 .algo_strength = SSL_MEDIUM, 1054 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1055 .strength_bits = 112, 1056 .alg_bits = 168, 1057 }, 1058 1059 /* Cipher C013 */ 1060 { 1061 .valid = 1, 1062 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA, 1063 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, 1064 .algorithm_mkey = SSL_kECDHE, 1065 .algorithm_auth = SSL_aRSA, 1066 .algorithm_enc = SSL_AES128, 1067 .algorithm_mac = SSL_SHA1, 1068 .algorithm_ssl = SSL_TLSV1, 1069 .algo_strength = SSL_HIGH, 1070 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1071 .strength_bits = 128, 1072 .alg_bits = 128, 1073 }, 1074 1075 /* Cipher C014 */ 1076 { 1077 .valid = 1, 1078 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA, 1079 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, 1080 .algorithm_mkey = SSL_kECDHE, 1081 .algorithm_auth = SSL_aRSA, 1082 .algorithm_enc = SSL_AES256, 1083 .algorithm_mac = SSL_SHA1, 1084 .algorithm_ssl = SSL_TLSV1, 1085 .algo_strength = SSL_HIGH, 1086 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1087 .strength_bits = 256, 1088 .alg_bits = 256, 1089 }, 1090 1091 /* Cipher C015 */ 1092 { 1093 .valid = 1, 1094 .name = TLS1_TXT_ECDH_anon_WITH_NULL_SHA, 1095 .id = TLS1_CK_ECDH_anon_WITH_NULL_SHA, 1096 .algorithm_mkey = SSL_kECDHE, 1097 .algorithm_auth = SSL_aNULL, 1098 .algorithm_enc = SSL_eNULL, 1099 .algorithm_mac = SSL_SHA1, 1100 .algorithm_ssl = SSL_TLSV1, 1101 .algo_strength = SSL_STRONG_NONE, 1102 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1103 .strength_bits = 0, 1104 .alg_bits = 0, 1105 }, 1106 1107 /* Cipher C016 */ 1108 { 1109 .valid = 1, 1110 .name = TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA, 1111 .id = TLS1_CK_ECDH_anon_WITH_RC4_128_SHA, 1112 .algorithm_mkey = SSL_kECDHE, 1113 .algorithm_auth = SSL_aNULL, 1114 .algorithm_enc = SSL_RC4, 1115 .algorithm_mac = SSL_SHA1, 1116 .algorithm_ssl = SSL_TLSV1, 1117 .algo_strength = SSL_LOW, 1118 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1119 .strength_bits = 128, 1120 .alg_bits = 128, 1121 }, 1122 1123 /* Cipher C017 */ 1124 { 1125 .valid = 1, 1126 .name = TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA, 1127 .id = TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA, 1128 .algorithm_mkey = SSL_kECDHE, 1129 .algorithm_auth = SSL_aNULL, 1130 .algorithm_enc = SSL_3DES, 1131 .algorithm_mac = SSL_SHA1, 1132 .algorithm_ssl = SSL_TLSV1, 1133 .algo_strength = SSL_MEDIUM, 1134 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1135 .strength_bits = 112, 1136 .alg_bits = 168, 1137 }, 1138 1139 /* Cipher C018 */ 1140 { 1141 .valid = 1, 1142 .name = TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA, 1143 .id = TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA, 1144 .algorithm_mkey = SSL_kECDHE, 1145 .algorithm_auth = SSL_aNULL, 1146 .algorithm_enc = SSL_AES128, 1147 .algorithm_mac = SSL_SHA1, 1148 .algorithm_ssl = SSL_TLSV1, 1149 .algo_strength = SSL_HIGH, 1150 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1151 .strength_bits = 128, 1152 .alg_bits = 128, 1153 }, 1154 1155 /* Cipher C019 */ 1156 { 1157 .valid = 1, 1158 .name = TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA, 1159 .id = TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA, 1160 .algorithm_mkey = SSL_kECDHE, 1161 .algorithm_auth = SSL_aNULL, 1162 .algorithm_enc = SSL_AES256, 1163 .algorithm_mac = SSL_SHA1, 1164 .algorithm_ssl = SSL_TLSV1, 1165 .algo_strength = SSL_HIGH, 1166 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1167 .strength_bits = 256, 1168 .alg_bits = 256, 1169 }, 1170 1171 1172 /* HMAC based TLS v1.2 ciphersuites from RFC5289 */ 1173 1174 /* Cipher C023 */ 1175 { 1176 .valid = 1, 1177 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256, 1178 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256, 1179 .algorithm_mkey = SSL_kECDHE, 1180 .algorithm_auth = SSL_aECDSA, 1181 .algorithm_enc = SSL_AES128, 1182 .algorithm_mac = SSL_SHA256, 1183 .algorithm_ssl = SSL_TLSV1_2, 1184 .algo_strength = SSL_HIGH, 1185 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 1186 .strength_bits = 128, 1187 .alg_bits = 128, 1188 }, 1189 1190 /* Cipher C024 */ 1191 { 1192 .valid = 1, 1193 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384, 1194 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384, 1195 .algorithm_mkey = SSL_kECDHE, 1196 .algorithm_auth = SSL_aECDSA, 1197 .algorithm_enc = SSL_AES256, 1198 .algorithm_mac = SSL_SHA384, 1199 .algorithm_ssl = SSL_TLSV1_2, 1200 .algo_strength = SSL_HIGH, 1201 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384, 1202 .strength_bits = 256, 1203 .alg_bits = 256, 1204 }, 1205 1206 /* Cipher C027 */ 1207 { 1208 .valid = 1, 1209 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256, 1210 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256, 1211 .algorithm_mkey = SSL_kECDHE, 1212 .algorithm_auth = SSL_aRSA, 1213 .algorithm_enc = SSL_AES128, 1214 .algorithm_mac = SSL_SHA256, 1215 .algorithm_ssl = SSL_TLSV1_2, 1216 .algo_strength = SSL_HIGH, 1217 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 1218 .strength_bits = 128, 1219 .alg_bits = 128, 1220 }, 1221 1222 /* Cipher C028 */ 1223 { 1224 .valid = 1, 1225 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384, 1226 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384, 1227 .algorithm_mkey = SSL_kECDHE, 1228 .algorithm_auth = SSL_aRSA, 1229 .algorithm_enc = SSL_AES256, 1230 .algorithm_mac = SSL_SHA384, 1231 .algorithm_ssl = SSL_TLSV1_2, 1232 .algo_strength = SSL_HIGH, 1233 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384, 1234 .strength_bits = 256, 1235 .alg_bits = 256, 1236 }, 1237 1238 /* GCM based TLS v1.2 ciphersuites from RFC5289 */ 1239 1240 /* Cipher C02B */ 1241 { 1242 .valid = 1, 1243 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 1244 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 1245 .algorithm_mkey = SSL_kECDHE, 1246 .algorithm_auth = SSL_aECDSA, 1247 .algorithm_enc = SSL_AES128GCM, 1248 .algorithm_mac = SSL_AEAD, 1249 .algorithm_ssl = SSL_TLSV1_2, 1250 .algo_strength = SSL_HIGH, 1251 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1252 FIXED_NONCE_LEN(4)| 1253 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1254 .strength_bits = 128, 1255 .alg_bits = 128, 1256 }, 1257 1258 /* Cipher C02C */ 1259 { 1260 .valid = 1, 1261 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 1262 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 1263 .algorithm_mkey = SSL_kECDHE, 1264 .algorithm_auth = SSL_aECDSA, 1265 .algorithm_enc = SSL_AES256GCM, 1266 .algorithm_mac = SSL_AEAD, 1267 .algorithm_ssl = SSL_TLSV1_2, 1268 .algo_strength = SSL_HIGH, 1269 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 1270 FIXED_NONCE_LEN(4)| 1271 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1272 .strength_bits = 256, 1273 .alg_bits = 256, 1274 }, 1275 1276 /* Cipher C02F */ 1277 { 1278 .valid = 1, 1279 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 1280 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 1281 .algorithm_mkey = SSL_kECDHE, 1282 .algorithm_auth = SSL_aRSA, 1283 .algorithm_enc = SSL_AES128GCM, 1284 .algorithm_mac = SSL_AEAD, 1285 .algorithm_ssl = SSL_TLSV1_2, 1286 .algo_strength = SSL_HIGH, 1287 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1288 FIXED_NONCE_LEN(4)| 1289 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1290 .strength_bits = 128, 1291 .alg_bits = 128, 1292 }, 1293 1294 /* Cipher C030 */ 1295 { 1296 .valid = 1, 1297 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 1298 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 1299 .algorithm_mkey = SSL_kECDHE, 1300 .algorithm_auth = SSL_aRSA, 1301 .algorithm_enc = SSL_AES256GCM, 1302 .algorithm_mac = SSL_AEAD, 1303 .algorithm_ssl = SSL_TLSV1_2, 1304 .algo_strength = SSL_HIGH, 1305 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 1306 FIXED_NONCE_LEN(4)| 1307 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1308 .strength_bits = 256, 1309 .alg_bits = 256, 1310 }, 1311 1312 /* Cipher CCA8 */ 1313 { 1314 .valid = 1, 1315 .name = TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305, 1316 .id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 1317 .algorithm_mkey = SSL_kECDHE, 1318 .algorithm_auth = SSL_aRSA, 1319 .algorithm_enc = SSL_CHACHA20POLY1305, 1320 .algorithm_mac = SSL_AEAD, 1321 .algorithm_ssl = SSL_TLSV1_2, 1322 .algo_strength = SSL_HIGH, 1323 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1324 FIXED_NONCE_LEN(12), 1325 .strength_bits = 256, 1326 .alg_bits = 256, 1327 }, 1328 1329 /* Cipher CCA9 */ 1330 { 1331 .valid = 1, 1332 .name = TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, 1333 .id = TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 1334 .algorithm_mkey = SSL_kECDHE, 1335 .algorithm_auth = SSL_aECDSA, 1336 .algorithm_enc = SSL_CHACHA20POLY1305, 1337 .algorithm_mac = SSL_AEAD, 1338 .algorithm_ssl = SSL_TLSV1_2, 1339 .algo_strength = SSL_HIGH, 1340 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1341 FIXED_NONCE_LEN(12), 1342 .strength_bits = 256, 1343 .alg_bits = 256, 1344 }, 1345 1346 /* Cipher CCAA */ 1347 { 1348 .valid = 1, 1349 .name = TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305, 1350 .id = TLS1_CK_DHE_RSA_CHACHA20_POLY1305, 1351 .algorithm_mkey = SSL_kDHE, 1352 .algorithm_auth = SSL_aRSA, 1353 .algorithm_enc = SSL_CHACHA20POLY1305, 1354 .algorithm_mac = SSL_AEAD, 1355 .algorithm_ssl = SSL_TLSV1_2, 1356 .algo_strength = SSL_HIGH, 1357 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1358 FIXED_NONCE_LEN(12), 1359 .strength_bits = 256, 1360 .alg_bits = 256, 1361 }, 1362 1363 /* Cipher FF85 FIXME IANA */ 1364 { 1365 .valid = 1, 1366 .name = "GOST2012256-GOST89-GOST89", 1367 .id = 0x300ff85, /* FIXME IANA */ 1368 .algorithm_mkey = SSL_kGOST, 1369 .algorithm_auth = SSL_aGOST01, 1370 .algorithm_enc = SSL_eGOST2814789CNT, 1371 .algorithm_mac = SSL_GOST89MAC, 1372 .algorithm_ssl = SSL_TLSV1, 1373 .algo_strength = SSL_HIGH, 1374 .algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256| 1375 TLS1_STREAM_MAC, 1376 .strength_bits = 256, 1377 .alg_bits = 256 1378 }, 1379 1380 /* Cipher FF87 FIXME IANA */ 1381 { 1382 .valid = 1, 1383 .name = "GOST2012256-NULL-STREEBOG256", 1384 .id = 0x300ff87, /* FIXME IANA */ 1385 .algorithm_mkey = SSL_kGOST, 1386 .algorithm_auth = SSL_aGOST01, 1387 .algorithm_enc = SSL_eNULL, 1388 .algorithm_mac = SSL_STREEBOG256, 1389 .algorithm_ssl = SSL_TLSV1, 1390 .algo_strength = SSL_STRONG_NONE, 1391 .algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256, 1392 .strength_bits = 0, 1393 .alg_bits = 0 1394 }, 1395 1396 1397 /* end of list */ 1398 }; 1399 1400 int 1401 ssl3_num_ciphers(void) 1402 { 1403 return (SSL3_NUM_CIPHERS); 1404 } 1405 1406 const SSL_CIPHER * 1407 ssl3_get_cipher(unsigned int u) 1408 { 1409 if (u < SSL3_NUM_CIPHERS) 1410 return (&(ssl3_ciphers[SSL3_NUM_CIPHERS - 1 - u])); 1411 else 1412 return (NULL); 1413 } 1414 1415 const SSL_CIPHER * 1416 ssl3_get_cipher_by_id(unsigned int id) 1417 { 1418 const SSL_CIPHER *cp; 1419 SSL_CIPHER c; 1420 1421 c.id = id; 1422 cp = OBJ_bsearch_ssl_cipher_id(&c, ssl3_ciphers, SSL3_NUM_CIPHERS); 1423 if (cp != NULL && cp->valid == 1) 1424 return (cp); 1425 1426 return (NULL); 1427 } 1428 1429 const SSL_CIPHER * 1430 ssl3_get_cipher_by_value(uint16_t value) 1431 { 1432 return ssl3_get_cipher_by_id(SSL3_CK_ID | value); 1433 } 1434 1435 uint16_t 1436 ssl3_cipher_get_value(const SSL_CIPHER *c) 1437 { 1438 return (c->id & SSL3_CK_VALUE_MASK); 1439 } 1440 1441 int 1442 ssl3_pending(const SSL *s) 1443 { 1444 if (s->internal->rstate == SSL_ST_READ_BODY) 1445 return 0; 1446 1447 return (S3I(s)->rrec.type == SSL3_RT_APPLICATION_DATA) ? 1448 S3I(s)->rrec.length : 0; 1449 } 1450 1451 int 1452 ssl3_handshake_msg_hdr_len(SSL *s) 1453 { 1454 return (SSL_is_dtls(s) ? DTLS1_HM_HEADER_LENGTH : 1455 SSL3_HM_HEADER_LENGTH); 1456 } 1457 1458 int 1459 ssl3_handshake_msg_start(SSL *s, CBB *handshake, CBB *body, uint8_t msg_type) 1460 { 1461 int ret = 0; 1462 1463 if (!CBB_init(handshake, SSL3_RT_MAX_PLAIN_LENGTH)) 1464 goto err; 1465 if (!CBB_add_u8(handshake, msg_type)) 1466 goto err; 1467 if (SSL_is_dtls(s)) { 1468 unsigned char *data; 1469 1470 if (!CBB_add_space(handshake, &data, DTLS1_HM_HEADER_LENGTH - 1471 SSL3_HM_HEADER_LENGTH)) 1472 goto err; 1473 } 1474 if (!CBB_add_u24_length_prefixed(handshake, body)) 1475 goto err; 1476 1477 ret = 1; 1478 1479 err: 1480 return (ret); 1481 } 1482 1483 int 1484 ssl3_handshake_msg_finish(SSL *s, CBB *handshake) 1485 { 1486 unsigned char *data = NULL; 1487 size_t outlen; 1488 int ret = 0; 1489 1490 if (!CBB_finish(handshake, &data, &outlen)) 1491 goto err; 1492 1493 if (outlen > INT_MAX) 1494 goto err; 1495 1496 if (!BUF_MEM_grow_clean(s->internal->init_buf, outlen)) 1497 goto err; 1498 1499 memcpy(s->internal->init_buf->data, data, outlen); 1500 1501 s->internal->init_num = (int)outlen; 1502 s->internal->init_off = 0; 1503 1504 if (SSL_is_dtls(s)) { 1505 unsigned long len; 1506 uint8_t msg_type; 1507 CBS cbs; 1508 1509 CBS_init(&cbs, data, outlen); 1510 if (!CBS_get_u8(&cbs, &msg_type)) 1511 goto err; 1512 1513 len = outlen - ssl3_handshake_msg_hdr_len(s); 1514 1515 dtls1_set_message_header(s, msg_type, len, 0, len); 1516 dtls1_buffer_message(s, 0); 1517 } 1518 1519 ret = 1; 1520 1521 err: 1522 free(data); 1523 1524 return (ret); 1525 } 1526 1527 int 1528 ssl3_handshake_write(SSL *s) 1529 { 1530 return ssl3_record_write(s, SSL3_RT_HANDSHAKE); 1531 } 1532 1533 int 1534 ssl3_record_write(SSL *s, int type) 1535 { 1536 if (SSL_is_dtls(s)) 1537 return dtls1_do_write(s, type); 1538 1539 return ssl3_do_write(s, type); 1540 } 1541 1542 int 1543 ssl3_new(SSL *s) 1544 { 1545 if ((s->s3 = calloc(1, sizeof(*s->s3))) == NULL) 1546 return (0); 1547 if ((S3I(s) = calloc(1, sizeof(*S3I(s)))) == NULL) { 1548 free(s->s3); 1549 return (0); 1550 } 1551 1552 s->method->ssl_clear(s); 1553 1554 return (1); 1555 } 1556 1557 void 1558 ssl3_free(SSL *s) 1559 { 1560 if (s == NULL) 1561 return; 1562 1563 tls1_cleanup_key_block(s); 1564 ssl3_release_read_buffer(s); 1565 ssl3_release_write_buffer(s); 1566 freezero(S3I(s)->hs.sigalgs, S3I(s)->hs.sigalgs_len); 1567 1568 DH_free(S3I(s)->tmp.dh); 1569 EC_KEY_free(S3I(s)->tmp.ecdh); 1570 freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH); 1571 1572 tls13_key_share_free(S3I(s)->hs.tls13.key_share); 1573 tls13_secrets_destroy(S3I(s)->hs.tls13.secrets); 1574 freezero(S3I(s)->hs.tls13.cookie, S3I(s)->hs.tls13.cookie_len); 1575 tls13_clienthello_hash_clear(&S3I(s)->hs.tls13); 1576 1577 sk_X509_NAME_pop_free(S3I(s)->hs.tls12.ca_names, X509_NAME_free); 1578 sk_X509_pop_free(s->internal->verified_chain, X509_free); 1579 1580 tls1_transcript_free(s); 1581 tls1_transcript_hash_free(s); 1582 1583 free(S3I(s)->alpn_selected); 1584 1585 freezero(S3I(s), sizeof(*S3I(s))); 1586 freezero(s->s3, sizeof(*s->s3)); 1587 1588 s->s3 = NULL; 1589 } 1590 1591 void 1592 ssl3_clear(SSL *s) 1593 { 1594 struct ssl3_state_internal_st *internal; 1595 unsigned char *rp, *wp; 1596 size_t rlen, wlen; 1597 1598 tls1_cleanup_key_block(s); 1599 sk_X509_NAME_pop_free(S3I(s)->hs.tls12.ca_names, X509_NAME_free); 1600 sk_X509_pop_free(s->internal->verified_chain, X509_free); 1601 s->internal->verified_chain = NULL; 1602 1603 DH_free(S3I(s)->tmp.dh); 1604 S3I(s)->tmp.dh = NULL; 1605 EC_KEY_free(S3I(s)->tmp.ecdh); 1606 S3I(s)->tmp.ecdh = NULL; 1607 S3I(s)->tmp.ecdh_nid = NID_undef; 1608 freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH); 1609 S3I(s)->tmp.x25519 = NULL; 1610 1611 freezero(S3I(s)->hs.sigalgs, S3I(s)->hs.sigalgs_len); 1612 S3I(s)->hs.sigalgs = NULL; 1613 S3I(s)->hs.sigalgs_len = 0; 1614 1615 tls13_key_share_free(S3I(s)->hs.tls13.key_share); 1616 S3I(s)->hs.tls13.key_share = NULL; 1617 1618 tls13_secrets_destroy(S3I(s)->hs.tls13.secrets); 1619 S3I(s)->hs.tls13.secrets = NULL; 1620 freezero(S3I(s)->hs.tls13.cookie, S3I(s)->hs.tls13.cookie_len); 1621 S3I(s)->hs.tls13.cookie = NULL; 1622 S3I(s)->hs.tls13.cookie_len = 0; 1623 tls13_clienthello_hash_clear(&S3I(s)->hs.tls13); 1624 1625 S3I(s)->hs.extensions_seen = 0; 1626 1627 rp = S3I(s)->rbuf.buf; 1628 wp = S3I(s)->wbuf.buf; 1629 rlen = S3I(s)->rbuf.len; 1630 wlen = S3I(s)->wbuf.len; 1631 1632 tls1_transcript_free(s); 1633 tls1_transcript_hash_free(s); 1634 1635 free(S3I(s)->alpn_selected); 1636 S3I(s)->alpn_selected = NULL; 1637 S3I(s)->alpn_selected_len = 0; 1638 1639 memset(S3I(s), 0, sizeof(*S3I(s))); 1640 internal = S3I(s); 1641 memset(s->s3, 0, sizeof(*s->s3)); 1642 S3I(s) = internal; 1643 1644 S3I(s)->rbuf.buf = rp; 1645 S3I(s)->wbuf.buf = wp; 1646 S3I(s)->rbuf.len = rlen; 1647 S3I(s)->wbuf.len = wlen; 1648 1649 ssl_free_wbio_buffer(s); 1650 1651 /* Not needed... */ 1652 S3I(s)->renegotiate = 0; 1653 S3I(s)->total_renegotiations = 0; 1654 S3I(s)->num_renegotiations = 0; 1655 S3I(s)->in_read_app_data = 0; 1656 1657 s->internal->packet_length = 0; 1658 s->version = TLS1_VERSION; 1659 1660 S3I(s)->hs.state = SSL_ST_BEFORE|((s->server) ? SSL_ST_ACCEPT : SSL_ST_CONNECT); 1661 } 1662 1663 long 1664 _SSL_get_peer_tmp_key(SSL *s, EVP_PKEY **key) 1665 { 1666 EVP_PKEY *pkey = NULL; 1667 SESS_CERT *sc; 1668 int ret = 0; 1669 1670 *key = NULL; 1671 1672 if (s->session == NULL || s->session->sess_cert == NULL) 1673 return 0; 1674 1675 sc = s->session->sess_cert; 1676 1677 if ((pkey = EVP_PKEY_new()) == NULL) 1678 return 0; 1679 1680 if (sc->peer_dh_tmp != NULL) { 1681 if (!EVP_PKEY_set1_DH(pkey, sc->peer_dh_tmp)) 1682 goto err; 1683 } else if (sc->peer_ecdh_tmp) { 1684 if (!EVP_PKEY_set1_EC_KEY(pkey, sc->peer_ecdh_tmp)) 1685 goto err; 1686 } else if (sc->peer_x25519_tmp != NULL) { 1687 if (!ssl_kex_dummy_ecdhe_x25519(pkey)) 1688 goto err; 1689 } else if (S3I(s)->hs.tls13.key_share != NULL) { 1690 if (!tls13_key_share_peer_pkey(S3I(s)->hs.tls13.key_share, 1691 pkey)) 1692 goto err; 1693 } else { 1694 goto err; 1695 } 1696 1697 *key = pkey; 1698 pkey = NULL; 1699 1700 ret = 1; 1701 1702 err: 1703 EVP_PKEY_free(pkey); 1704 1705 return (ret); 1706 } 1707 1708 static int 1709 _SSL_session_reused(SSL *s) 1710 { 1711 return s->internal->hit; 1712 } 1713 1714 static int 1715 _SSL_num_renegotiations(SSL *s) 1716 { 1717 return S3I(s)->num_renegotiations; 1718 } 1719 1720 static int 1721 _SSL_clear_num_renegotiations(SSL *s) 1722 { 1723 int renegs; 1724 1725 renegs = S3I(s)->num_renegotiations; 1726 S3I(s)->num_renegotiations = 0; 1727 1728 return renegs; 1729 } 1730 1731 static int 1732 _SSL_total_renegotiations(SSL *s) 1733 { 1734 return S3I(s)->total_renegotiations; 1735 } 1736 1737 static int 1738 _SSL_set_tmp_dh(SSL *s, DH *dh) 1739 { 1740 DH *dh_tmp; 1741 1742 if (dh == NULL) { 1743 SSLerror(s, ERR_R_PASSED_NULL_PARAMETER); 1744 return 0; 1745 } 1746 1747 if ((dh_tmp = DHparams_dup(dh)) == NULL) { 1748 SSLerror(s, ERR_R_DH_LIB); 1749 return 0; 1750 } 1751 1752 DH_free(s->cert->dh_tmp); 1753 s->cert->dh_tmp = dh_tmp; 1754 1755 return 1; 1756 } 1757 1758 static int 1759 _SSL_set_dh_auto(SSL *s, int state) 1760 { 1761 s->cert->dh_tmp_auto = state; 1762 return 1; 1763 } 1764 1765 static int 1766 _SSL_set_tmp_ecdh(SSL *s, EC_KEY *ecdh) 1767 { 1768 const EC_GROUP *group; 1769 int nid; 1770 1771 if (ecdh == NULL) 1772 return 0; 1773 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 1774 return 0; 1775 1776 nid = EC_GROUP_get_curve_name(group); 1777 return SSL_set1_groups(s, &nid, 1); 1778 } 1779 1780 static int 1781 _SSL_set_ecdh_auto(SSL *s, int state) 1782 { 1783 return 1; 1784 } 1785 1786 static int 1787 _SSL_set_tlsext_host_name(SSL *s, const char *name) 1788 { 1789 int is_ip; 1790 CBS cbs; 1791 1792 free(s->tlsext_hostname); 1793 s->tlsext_hostname = NULL; 1794 1795 if (name == NULL) 1796 return 1; 1797 1798 CBS_init(&cbs, name, strlen(name)); 1799 1800 if (!tlsext_sni_is_valid_hostname(&cbs, &is_ip)) { 1801 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME); 1802 return 0; 1803 } 1804 if ((s->tlsext_hostname = strdup(name)) == NULL) { 1805 SSLerror(s, ERR_R_INTERNAL_ERROR); 1806 return 0; 1807 } 1808 1809 return 1; 1810 } 1811 1812 static int 1813 _SSL_set_tlsext_debug_arg(SSL *s, void *arg) 1814 { 1815 s->internal->tlsext_debug_arg = arg; 1816 return 1; 1817 } 1818 1819 static int 1820 _SSL_get_tlsext_status_type(SSL *s) 1821 { 1822 return s->tlsext_status_type; 1823 } 1824 1825 static int 1826 _SSL_set_tlsext_status_type(SSL *s, int type) 1827 { 1828 s->tlsext_status_type = type; 1829 return 1; 1830 } 1831 1832 static int 1833 _SSL_get_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) **exts) 1834 { 1835 *exts = s->internal->tlsext_ocsp_exts; 1836 return 1; 1837 } 1838 1839 static int 1840 _SSL_set_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) *exts) 1841 { 1842 /* XXX - leak... */ 1843 s->internal->tlsext_ocsp_exts = exts; 1844 return 1; 1845 } 1846 1847 static int 1848 _SSL_get_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) **ids) 1849 { 1850 *ids = s->internal->tlsext_ocsp_ids; 1851 return 1; 1852 } 1853 1854 static int 1855 _SSL_set_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) *ids) 1856 { 1857 /* XXX - leak... */ 1858 s->internal->tlsext_ocsp_ids = ids; 1859 return 1; 1860 } 1861 1862 static int 1863 _SSL_get_tlsext_status_ocsp_resp(SSL *s, unsigned char **resp) 1864 { 1865 if (s->internal->tlsext_ocsp_resp != NULL && 1866 s->internal->tlsext_ocsp_resp_len < INT_MAX) { 1867 *resp = s->internal->tlsext_ocsp_resp; 1868 return (int)s->internal->tlsext_ocsp_resp_len; 1869 } 1870 1871 *resp = NULL; 1872 1873 return -1; 1874 } 1875 1876 static int 1877 _SSL_set_tlsext_status_ocsp_resp(SSL *s, unsigned char *resp, int resp_len) 1878 { 1879 free(s->internal->tlsext_ocsp_resp); 1880 s->internal->tlsext_ocsp_resp = NULL; 1881 s->internal->tlsext_ocsp_resp_len = 0; 1882 1883 if (resp_len < 0) 1884 return 0; 1885 1886 s->internal->tlsext_ocsp_resp = resp; 1887 s->internal->tlsext_ocsp_resp_len = (size_t)resp_len; 1888 1889 return 1; 1890 } 1891 1892 int 1893 SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain) 1894 { 1895 return ssl_cert_set0_chain(ssl->cert, chain); 1896 } 1897 1898 int 1899 SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain) 1900 { 1901 return ssl_cert_set1_chain(ssl->cert, chain); 1902 } 1903 1904 int 1905 SSL_add0_chain_cert(SSL *ssl, X509 *x509) 1906 { 1907 return ssl_cert_add0_chain_cert(ssl->cert, x509); 1908 } 1909 1910 int 1911 SSL_add1_chain_cert(SSL *ssl, X509 *x509) 1912 { 1913 return ssl_cert_add1_chain_cert(ssl->cert, x509); 1914 } 1915 1916 int 1917 SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain) 1918 { 1919 *out_chain = NULL; 1920 1921 if (ssl->cert->key != NULL) 1922 *out_chain = ssl->cert->key->chain; 1923 1924 return 1; 1925 } 1926 1927 int 1928 SSL_clear_chain_certs(SSL *ssl) 1929 { 1930 return ssl_cert_set0_chain(ssl->cert, NULL); 1931 } 1932 1933 int 1934 SSL_set1_groups(SSL *s, const int *groups, size_t groups_len) 1935 { 1936 return tls1_set_groups(&s->internal->tlsext_supportedgroups, 1937 &s->internal->tlsext_supportedgroups_length, groups, groups_len); 1938 } 1939 1940 int 1941 SSL_set1_groups_list(SSL *s, const char *groups) 1942 { 1943 return tls1_set_group_list(&s->internal->tlsext_supportedgroups, 1944 &s->internal->tlsext_supportedgroups_length, groups); 1945 } 1946 1947 static int 1948 _SSL_get_signature_nid(SSL *s, int *nid) 1949 { 1950 const struct ssl_sigalg *sigalg; 1951 1952 if ((sigalg = S3I(s)->hs.our_sigalg) == NULL) 1953 return 0; 1954 1955 *nid = EVP_MD_type(sigalg->md()); 1956 1957 return 1; 1958 } 1959 1960 static int 1961 _SSL_get_peer_signature_nid(SSL *s, int *nid) 1962 { 1963 const struct ssl_sigalg *sigalg; 1964 1965 if ((sigalg = S3I(s)->hs.peer_sigalg) == NULL) 1966 return 0; 1967 1968 *nid = EVP_MD_type(sigalg->md()); 1969 1970 return 1; 1971 } 1972 1973 int 1974 SSL_get_signature_type_nid(const SSL *s, int *nid) 1975 { 1976 const struct ssl_sigalg *sigalg; 1977 1978 if ((sigalg = S3I(s)->hs.our_sigalg) == NULL) 1979 return 0; 1980 1981 *nid = sigalg->key_type; 1982 if (sigalg->key_type == EVP_PKEY_RSA && 1983 (sigalg->flags & SIGALG_FLAG_RSA_PSS)) 1984 *nid = EVP_PKEY_RSA_PSS; 1985 1986 return 1; 1987 } 1988 1989 int 1990 SSL_get_peer_signature_type_nid(const SSL *s, int *nid) 1991 { 1992 const struct ssl_sigalg *sigalg; 1993 1994 if ((sigalg = S3I(s)->hs.peer_sigalg) == NULL) 1995 return 0; 1996 1997 *nid = sigalg->key_type; 1998 if (sigalg->key_type == EVP_PKEY_RSA && 1999 (sigalg->flags & SIGALG_FLAG_RSA_PSS)) 2000 *nid = EVP_PKEY_RSA_PSS; 2001 2002 return 1; 2003 } 2004 2005 long 2006 ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) 2007 { 2008 switch (cmd) { 2009 case SSL_CTRL_GET_SESSION_REUSED: 2010 return _SSL_session_reused(s); 2011 2012 case SSL_CTRL_GET_NUM_RENEGOTIATIONS: 2013 return _SSL_num_renegotiations(s); 2014 2015 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS: 2016 return _SSL_clear_num_renegotiations(s); 2017 2018 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS: 2019 return _SSL_total_renegotiations(s); 2020 2021 case SSL_CTRL_SET_TMP_DH: 2022 return _SSL_set_tmp_dh(s, parg); 2023 2024 case SSL_CTRL_SET_TMP_DH_CB: 2025 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2026 return 0; 2027 2028 case SSL_CTRL_SET_DH_AUTO: 2029 return _SSL_set_dh_auto(s, larg); 2030 2031 case SSL_CTRL_SET_TMP_ECDH: 2032 return _SSL_set_tmp_ecdh(s, parg); 2033 2034 case SSL_CTRL_SET_TMP_ECDH_CB: 2035 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2036 return 0; 2037 2038 case SSL_CTRL_SET_ECDH_AUTO: 2039 return _SSL_set_ecdh_auto(s, larg); 2040 2041 case SSL_CTRL_SET_TLSEXT_HOSTNAME: 2042 if (larg != TLSEXT_NAMETYPE_host_name) { 2043 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE); 2044 return 0; 2045 } 2046 return _SSL_set_tlsext_host_name(s, parg); 2047 2048 case SSL_CTRL_SET_TLSEXT_DEBUG_ARG: 2049 return _SSL_set_tlsext_debug_arg(s, parg); 2050 2051 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE: 2052 return _SSL_get_tlsext_status_type(s); 2053 2054 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE: 2055 return _SSL_set_tlsext_status_type(s, larg); 2056 2057 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS: 2058 return _SSL_get_tlsext_status_exts(s, parg); 2059 2060 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS: 2061 return _SSL_set_tlsext_status_exts(s, parg); 2062 2063 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS: 2064 return _SSL_get_tlsext_status_ids(s, parg); 2065 2066 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS: 2067 return _SSL_set_tlsext_status_ids(s, parg); 2068 2069 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP: 2070 return _SSL_get_tlsext_status_ocsp_resp(s, parg); 2071 2072 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP: 2073 return _SSL_set_tlsext_status_ocsp_resp(s, parg, larg); 2074 2075 case SSL_CTRL_CHAIN: 2076 if (larg == 0) 2077 return SSL_set0_chain(s, (STACK_OF(X509) *)parg); 2078 else 2079 return SSL_set1_chain(s, (STACK_OF(X509) *)parg); 2080 2081 case SSL_CTRL_CHAIN_CERT: 2082 if (larg == 0) 2083 return SSL_add0_chain_cert(s, (X509 *)parg); 2084 else 2085 return SSL_add1_chain_cert(s, (X509 *)parg); 2086 2087 case SSL_CTRL_GET_CHAIN_CERTS: 2088 return SSL_get0_chain_certs(s, (STACK_OF(X509) **)parg); 2089 2090 case SSL_CTRL_SET_GROUPS: 2091 return SSL_set1_groups(s, parg, larg); 2092 2093 case SSL_CTRL_SET_GROUPS_LIST: 2094 return SSL_set1_groups_list(s, parg); 2095 2096 /* XXX - rename to SSL_CTRL_GET_PEER_TMP_KEY and remove server check. */ 2097 case SSL_CTRL_GET_SERVER_TMP_KEY: 2098 if (s->server != 0) 2099 return 0; 2100 return _SSL_get_peer_tmp_key(s, parg); 2101 2102 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2103 return SSL_get_min_proto_version(s); 2104 2105 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2106 return SSL_get_max_proto_version(s); 2107 2108 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2109 if (larg < 0 || larg > UINT16_MAX) 2110 return 0; 2111 return SSL_set_min_proto_version(s, larg); 2112 2113 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2114 if (larg < 0 || larg > UINT16_MAX) 2115 return 0; 2116 return SSL_set_max_proto_version(s, larg); 2117 2118 case SSL_CTRL_GET_SIGNATURE_NID: 2119 return _SSL_get_signature_nid(s, parg); 2120 2121 case SSL_CTRL_GET_PEER_SIGNATURE_NID: 2122 return _SSL_get_peer_signature_nid(s, parg); 2123 2124 /* 2125 * Legacy controls that should eventually be removed. 2126 */ 2127 case SSL_CTRL_GET_CLIENT_CERT_REQUEST: 2128 return 0; 2129 2130 case SSL_CTRL_GET_FLAGS: 2131 return (int)(s->s3->flags); 2132 2133 case SSL_CTRL_NEED_TMP_RSA: 2134 return 0; 2135 2136 case SSL_CTRL_SET_TMP_RSA: 2137 case SSL_CTRL_SET_TMP_RSA_CB: 2138 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2139 return 0; 2140 } 2141 2142 return 0; 2143 } 2144 2145 long 2146 ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) 2147 { 2148 switch (cmd) { 2149 case SSL_CTRL_SET_TMP_RSA_CB: 2150 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2151 return 0; 2152 2153 case SSL_CTRL_SET_TMP_DH_CB: 2154 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp; 2155 return 1; 2156 2157 case SSL_CTRL_SET_TMP_ECDH_CB: 2158 return 1; 2159 2160 case SSL_CTRL_SET_TLSEXT_DEBUG_CB: 2161 s->internal->tlsext_debug_cb = (void (*)(SSL *, int , int, 2162 unsigned char *, int, void *))fp; 2163 return 1; 2164 } 2165 2166 return 0; 2167 } 2168 2169 static int 2170 _SSL_CTX_set_tmp_dh(SSL_CTX *ctx, DH *dh) 2171 { 2172 DH *dh_tmp; 2173 2174 if ((dh_tmp = DHparams_dup(dh)) == NULL) { 2175 SSLerrorx(ERR_R_DH_LIB); 2176 return 0; 2177 } 2178 2179 DH_free(ctx->internal->cert->dh_tmp); 2180 ctx->internal->cert->dh_tmp = dh_tmp; 2181 2182 return 1; 2183 } 2184 2185 static int 2186 _SSL_CTX_set_dh_auto(SSL_CTX *ctx, int state) 2187 { 2188 ctx->internal->cert->dh_tmp_auto = state; 2189 return 1; 2190 } 2191 2192 static int 2193 _SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, EC_KEY *ecdh) 2194 { 2195 const EC_GROUP *group; 2196 int nid; 2197 2198 if (ecdh == NULL) 2199 return 0; 2200 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 2201 return 0; 2202 2203 nid = EC_GROUP_get_curve_name(group); 2204 return SSL_CTX_set1_groups(ctx, &nid, 1); 2205 } 2206 2207 static int 2208 _SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state) 2209 { 2210 return 1; 2211 } 2212 2213 static int 2214 _SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) 2215 { 2216 ctx->internal->tlsext_servername_arg = arg; 2217 return 1; 2218 } 2219 2220 static int 2221 _SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2222 { 2223 if (keys == NULL) 2224 return 48; 2225 2226 if (keys_len != 48) { 2227 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2228 return 0; 2229 } 2230 2231 memcpy(keys, ctx->internal->tlsext_tick_key_name, 16); 2232 memcpy(keys + 16, ctx->internal->tlsext_tick_hmac_key, 16); 2233 memcpy(keys + 32, ctx->internal->tlsext_tick_aes_key, 16); 2234 2235 return 1; 2236 } 2237 2238 static int 2239 _SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2240 { 2241 if (keys == NULL) 2242 return 48; 2243 2244 if (keys_len != 48) { 2245 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2246 return 0; 2247 } 2248 2249 memcpy(ctx->internal->tlsext_tick_key_name, keys, 16); 2250 memcpy(ctx->internal->tlsext_tick_hmac_key, keys + 16, 16); 2251 memcpy(ctx->internal->tlsext_tick_aes_key, keys + 32, 16); 2252 2253 return 1; 2254 } 2255 2256 static int 2257 _SSL_CTX_get_tlsext_status_arg(SSL_CTX *ctx, void **arg) 2258 { 2259 *arg = ctx->internal->tlsext_status_arg; 2260 return 1; 2261 } 2262 2263 static int 2264 _SSL_CTX_set_tlsext_status_arg(SSL_CTX *ctx, void *arg) 2265 { 2266 ctx->internal->tlsext_status_arg = arg; 2267 return 1; 2268 } 2269 2270 int 2271 SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) 2272 { 2273 return ssl_cert_set0_chain(ctx->internal->cert, chain); 2274 } 2275 2276 int 2277 SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) 2278 { 2279 return ssl_cert_set1_chain(ctx->internal->cert, chain); 2280 } 2281 2282 int 2283 SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509) 2284 { 2285 return ssl_cert_add0_chain_cert(ctx->internal->cert, x509); 2286 } 2287 2288 int 2289 SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509) 2290 { 2291 return ssl_cert_add1_chain_cert(ctx->internal->cert, x509); 2292 } 2293 2294 int 2295 SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain) 2296 { 2297 *out_chain = NULL; 2298 2299 if (ctx->internal->cert->key != NULL) 2300 *out_chain = ctx->internal->cert->key->chain; 2301 2302 return 1; 2303 } 2304 2305 int 2306 SSL_CTX_clear_chain_certs(SSL_CTX *ctx) 2307 { 2308 return ssl_cert_set0_chain(ctx->internal->cert, NULL); 2309 } 2310 2311 static int 2312 _SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *cert) 2313 { 2314 if (ctx->extra_certs == NULL) { 2315 if ((ctx->extra_certs = sk_X509_new_null()) == NULL) 2316 return 0; 2317 } 2318 if (sk_X509_push(ctx->extra_certs, cert) == 0) 2319 return 0; 2320 2321 return 1; 2322 } 2323 2324 static int 2325 _SSL_CTX_get_extra_chain_certs(SSL_CTX *ctx, STACK_OF(X509) **certs) 2326 { 2327 *certs = ctx->extra_certs; 2328 if (*certs == NULL) 2329 *certs = ctx->internal->cert->key->chain; 2330 2331 return 1; 2332 } 2333 2334 static int 2335 _SSL_CTX_get_extra_chain_certs_only(SSL_CTX *ctx, STACK_OF(X509) **certs) 2336 { 2337 *certs = ctx->extra_certs; 2338 return 1; 2339 } 2340 2341 static int 2342 _SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx) 2343 { 2344 sk_X509_pop_free(ctx->extra_certs, X509_free); 2345 ctx->extra_certs = NULL; 2346 return 1; 2347 } 2348 2349 int 2350 SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len) 2351 { 2352 return tls1_set_groups(&ctx->internal->tlsext_supportedgroups, 2353 &ctx->internal->tlsext_supportedgroups_length, groups, groups_len); 2354 } 2355 2356 int 2357 SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups) 2358 { 2359 return tls1_set_group_list(&ctx->internal->tlsext_supportedgroups, 2360 &ctx->internal->tlsext_supportedgroups_length, groups); 2361 } 2362 2363 long 2364 ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) 2365 { 2366 switch (cmd) { 2367 case SSL_CTRL_SET_TMP_DH: 2368 return _SSL_CTX_set_tmp_dh(ctx, parg); 2369 2370 case SSL_CTRL_SET_TMP_DH_CB: 2371 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2372 return 0; 2373 2374 case SSL_CTRL_SET_DH_AUTO: 2375 return _SSL_CTX_set_dh_auto(ctx, larg); 2376 2377 case SSL_CTRL_SET_TMP_ECDH: 2378 return _SSL_CTX_set_tmp_ecdh(ctx, parg); 2379 2380 case SSL_CTRL_SET_TMP_ECDH_CB: 2381 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2382 return 0; 2383 2384 case SSL_CTRL_SET_ECDH_AUTO: 2385 return _SSL_CTX_set_ecdh_auto(ctx, larg); 2386 2387 case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG: 2388 return _SSL_CTX_set_tlsext_servername_arg(ctx, parg); 2389 2390 case SSL_CTRL_GET_TLSEXT_TICKET_KEYS: 2391 return _SSL_CTX_get_tlsext_ticket_keys(ctx, parg, larg); 2392 2393 case SSL_CTRL_SET_TLSEXT_TICKET_KEYS: 2394 return _SSL_CTX_set_tlsext_ticket_keys(ctx, parg, larg); 2395 2396 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG: 2397 return _SSL_CTX_get_tlsext_status_arg(ctx, parg); 2398 2399 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG: 2400 return _SSL_CTX_set_tlsext_status_arg(ctx, parg); 2401 2402 case SSL_CTRL_CHAIN: 2403 if (larg == 0) 2404 return SSL_CTX_set0_chain(ctx, (STACK_OF(X509) *)parg); 2405 else 2406 return SSL_CTX_set1_chain(ctx, (STACK_OF(X509) *)parg); 2407 2408 case SSL_CTRL_CHAIN_CERT: 2409 if (larg == 0) 2410 return SSL_CTX_add0_chain_cert(ctx, (X509 *)parg); 2411 else 2412 return SSL_CTX_add1_chain_cert(ctx, (X509 *)parg); 2413 2414 case SSL_CTRL_GET_CHAIN_CERTS: 2415 return SSL_CTX_get0_chain_certs(ctx, (STACK_OF(X509) **)parg); 2416 2417 case SSL_CTRL_EXTRA_CHAIN_CERT: 2418 return _SSL_CTX_add_extra_chain_cert(ctx, parg); 2419 2420 case SSL_CTRL_GET_EXTRA_CHAIN_CERTS: 2421 if (larg == 0) 2422 return _SSL_CTX_get_extra_chain_certs(ctx, parg); 2423 else 2424 return _SSL_CTX_get_extra_chain_certs_only(ctx, parg); 2425 2426 case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS: 2427 return _SSL_CTX_clear_extra_chain_certs(ctx); 2428 2429 case SSL_CTRL_SET_GROUPS: 2430 return SSL_CTX_set1_groups(ctx, parg, larg); 2431 2432 case SSL_CTRL_SET_GROUPS_LIST: 2433 return SSL_CTX_set1_groups_list(ctx, parg); 2434 2435 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2436 return SSL_CTX_get_min_proto_version(ctx); 2437 2438 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2439 return SSL_CTX_get_max_proto_version(ctx); 2440 2441 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2442 if (larg < 0 || larg > UINT16_MAX) 2443 return 0; 2444 return SSL_CTX_set_min_proto_version(ctx, larg); 2445 2446 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2447 if (larg < 0 || larg > UINT16_MAX) 2448 return 0; 2449 return SSL_CTX_set_max_proto_version(ctx, larg); 2450 2451 /* 2452 * Legacy controls that should eventually be removed. 2453 */ 2454 case SSL_CTRL_NEED_TMP_RSA: 2455 return 0; 2456 2457 case SSL_CTRL_SET_TMP_RSA: 2458 case SSL_CTRL_SET_TMP_RSA_CB: 2459 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2460 return 0; 2461 } 2462 2463 return 0; 2464 } 2465 2466 long 2467 ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) 2468 { 2469 switch (cmd) { 2470 case SSL_CTRL_SET_TMP_RSA_CB: 2471 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2472 return 0; 2473 2474 case SSL_CTRL_SET_TMP_DH_CB: 2475 ctx->internal->cert->dh_tmp_cb = 2476 (DH *(*)(SSL *, int, int))fp; 2477 return 1; 2478 2479 case SSL_CTRL_SET_TMP_ECDH_CB: 2480 return 1; 2481 2482 case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB: 2483 ctx->internal->tlsext_servername_callback = 2484 (int (*)(SSL *, int *, void *))fp; 2485 return 1; 2486 2487 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB: 2488 *(int (**)(SSL *, void *))fp = ctx->internal->tlsext_status_cb; 2489 return 1; 2490 2491 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB: 2492 ctx->internal->tlsext_status_cb = (int (*)(SSL *, void *))fp; 2493 return 1; 2494 2495 case SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB: 2496 ctx->internal->tlsext_ticket_key_cb = (int (*)(SSL *, unsigned char *, 2497 unsigned char *, EVP_CIPHER_CTX *, HMAC_CTX *, int))fp; 2498 return 1; 2499 } 2500 2501 return 0; 2502 } 2503 2504 SSL_CIPHER * 2505 ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, 2506 STACK_OF(SSL_CIPHER) *srvr) 2507 { 2508 unsigned long alg_k, alg_a, mask_k, mask_a; 2509 STACK_OF(SSL_CIPHER) *prio, *allow; 2510 SSL_CIPHER *c, *ret = NULL; 2511 int can_use_ecc; 2512 int i, ii, ok; 2513 CERT *cert; 2514 2515 /* Let's see which ciphers we can support */ 2516 cert = s->cert; 2517 2518 can_use_ecc = (tls1_get_shared_curve(s) != NID_undef); 2519 2520 /* 2521 * Do not set the compare functions, because this may lead to a 2522 * reordering by "id". We want to keep the original ordering. 2523 * We may pay a price in performance during sk_SSL_CIPHER_find(), 2524 * but would have to pay with the price of sk_SSL_CIPHER_dup(). 2525 */ 2526 2527 if (s->internal->options & SSL_OP_CIPHER_SERVER_PREFERENCE) { 2528 prio = srvr; 2529 allow = clnt; 2530 } else { 2531 prio = clnt; 2532 allow = srvr; 2533 } 2534 2535 for (i = 0; i < sk_SSL_CIPHER_num(prio); i++) { 2536 c = sk_SSL_CIPHER_value(prio, i); 2537 2538 /* Skip TLS v1.2 only ciphersuites if not supported. */ 2539 if ((c->algorithm_ssl & SSL_TLSV1_2) && 2540 !SSL_USE_TLS1_2_CIPHERS(s)) 2541 continue; 2542 2543 /* Skip TLS v1.3 only ciphersuites if not supported. */ 2544 if ((c->algorithm_ssl & SSL_TLSV1_3) && 2545 !SSL_USE_TLS1_3_CIPHERS(s)) 2546 continue; 2547 2548 /* If TLS v1.3, only allow TLS v1.3 ciphersuites. */ 2549 if (SSL_USE_TLS1_3_CIPHERS(s) && 2550 !(c->algorithm_ssl & SSL_TLSV1_3)) 2551 continue; 2552 2553 ssl_set_cert_masks(cert, c); 2554 mask_k = cert->mask_k; 2555 mask_a = cert->mask_a; 2556 2557 alg_k = c->algorithm_mkey; 2558 alg_a = c->algorithm_auth; 2559 2560 ok = (alg_k & mask_k) && (alg_a & mask_a); 2561 2562 /* 2563 * If we are considering an ECC cipher suite that uses our 2564 * certificate check it. 2565 */ 2566 if (alg_a & SSL_aECDSA) 2567 ok = ok && tls1_check_ec_server_key(s); 2568 /* 2569 * If we are considering an ECC cipher suite that uses 2570 * an ephemeral EC key check it. 2571 */ 2572 if (alg_k & SSL_kECDHE) 2573 ok = ok && can_use_ecc; 2574 2575 if (!ok) 2576 continue; 2577 ii = sk_SSL_CIPHER_find(allow, c); 2578 if (ii >= 0) { 2579 ret = sk_SSL_CIPHER_value(allow, ii); 2580 break; 2581 } 2582 } 2583 return (ret); 2584 } 2585 2586 int 2587 ssl3_get_req_cert_types(SSL *s, CBB *cbb) 2588 { 2589 unsigned long alg_k; 2590 2591 alg_k = S3I(s)->hs.cipher->algorithm_mkey; 2592 2593 #ifndef OPENSSL_NO_GOST 2594 if ((alg_k & SSL_kGOST) != 0) { 2595 if (!CBB_add_u8(cbb, TLS_CT_GOST01_SIGN)) 2596 return 0; 2597 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN)) 2598 return 0; 2599 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN)) 2600 return 0; 2601 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN_COMPAT)) 2602 return 0; 2603 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN_COMPAT)) 2604 return 0; 2605 } 2606 #endif 2607 2608 if ((alg_k & SSL_kDHE) != 0) { 2609 if (!CBB_add_u8(cbb, SSL3_CT_RSA_FIXED_DH)) 2610 return 0; 2611 } 2612 2613 if (!CBB_add_u8(cbb, SSL3_CT_RSA_SIGN)) 2614 return 0; 2615 2616 /* 2617 * ECDSA certs can be used with RSA cipher suites as well 2618 * so we don't need to check for SSL_kECDH or SSL_kECDHE. 2619 */ 2620 if (!CBB_add_u8(cbb, TLS_CT_ECDSA_SIGN)) 2621 return 0; 2622 2623 return 1; 2624 } 2625 2626 int 2627 ssl3_shutdown(SSL *s) 2628 { 2629 int ret; 2630 2631 /* 2632 * Don't do anything much if we have not done the handshake or 2633 * we don't want to send messages :-) 2634 */ 2635 if ((s->internal->quiet_shutdown) || (S3I(s)->hs.state == SSL_ST_BEFORE)) { 2636 s->internal->shutdown = (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2637 return (1); 2638 } 2639 2640 if (!(s->internal->shutdown & SSL_SENT_SHUTDOWN)) { 2641 s->internal->shutdown|=SSL_SENT_SHUTDOWN; 2642 ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY); 2643 /* 2644 * Our shutdown alert has been sent now, and if it still needs 2645 * to be written, S3I(s)->alert_dispatch will be true 2646 */ 2647 if (S3I(s)->alert_dispatch) 2648 return(-1); /* return WANT_WRITE */ 2649 } else if (S3I(s)->alert_dispatch) { 2650 /* resend it if not sent */ 2651 ret = ssl3_dispatch_alert(s); 2652 if (ret == -1) { 2653 /* 2654 * We only get to return -1 here the 2nd/Nth 2655 * invocation, we must have already signalled 2656 * return 0 upon a previous invoation, 2657 * return WANT_WRITE 2658 */ 2659 return (ret); 2660 } 2661 } else if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2662 /* If we are waiting for a close from our peer, we are closed */ 2663 s->method->ssl_read_bytes(s, 0, NULL, 0, 0); 2664 if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2665 return(-1); /* return WANT_READ */ 2666 } 2667 } 2668 2669 if ((s->internal->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) && 2670 !S3I(s)->alert_dispatch) 2671 return (1); 2672 else 2673 return (0); 2674 } 2675 2676 int 2677 ssl3_write(SSL *s, const void *buf, int len) 2678 { 2679 errno = 0; 2680 2681 if (S3I(s)->renegotiate) 2682 ssl3_renegotiate_check(s); 2683 2684 return s->method->ssl_write_bytes(s, SSL3_RT_APPLICATION_DATA, 2685 buf, len); 2686 } 2687 2688 static int 2689 ssl3_read_internal(SSL *s, void *buf, int len, int peek) 2690 { 2691 int ret; 2692 2693 errno = 0; 2694 if (S3I(s)->renegotiate) 2695 ssl3_renegotiate_check(s); 2696 S3I(s)->in_read_app_data = 1; 2697 2698 ret = s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, buf, len, 2699 peek); 2700 if ((ret == -1) && (S3I(s)->in_read_app_data == 2)) { 2701 /* 2702 * ssl3_read_bytes decided to call s->internal->handshake_func, 2703 * which called ssl3_read_bytes to read handshake data. 2704 * However, ssl3_read_bytes actually found application data 2705 * and thinks that application data makes sense here; so disable 2706 * handshake processing and try to read application data again. 2707 */ 2708 s->internal->in_handshake++; 2709 ret = s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, 2710 buf, len, peek); 2711 s->internal->in_handshake--; 2712 } else 2713 S3I(s)->in_read_app_data = 0; 2714 2715 return (ret); 2716 } 2717 2718 int 2719 ssl3_read(SSL *s, void *buf, int len) 2720 { 2721 return ssl3_read_internal(s, buf, len, 0); 2722 } 2723 2724 int 2725 ssl3_peek(SSL *s, void *buf, int len) 2726 { 2727 return ssl3_read_internal(s, buf, len, 1); 2728 } 2729 2730 int 2731 ssl3_renegotiate(SSL *s) 2732 { 2733 if (s->internal->handshake_func == NULL) 2734 return (1); 2735 2736 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) 2737 return (0); 2738 2739 S3I(s)->renegotiate = 1; 2740 return (1); 2741 } 2742 2743 int 2744 ssl3_renegotiate_check(SSL *s) 2745 { 2746 int ret = 0; 2747 2748 if (S3I(s)->renegotiate) { 2749 if ((S3I(s)->rbuf.left == 0) && (S3I(s)->wbuf.left == 0) && 2750 !SSL_in_init(s)) { 2751 /* 2752 * If we are the server, and we have sent 2753 * a 'RENEGOTIATE' message, we need to go 2754 * to SSL_ST_ACCEPT. 2755 */ 2756 /* SSL_ST_ACCEPT */ 2757 S3I(s)->hs.state = SSL_ST_RENEGOTIATE; 2758 S3I(s)->renegotiate = 0; 2759 S3I(s)->num_renegotiations++; 2760 S3I(s)->total_renegotiations++; 2761 ret = 1; 2762 } 2763 } 2764 return (ret); 2765 } 2766