1 /* $OpenBSD: s3_lib.c,v 1.228 2022/03/17 17:24:37 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 #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_RFC_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_RFC_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_RFC_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 (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? 1448 s->s3->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 1548 s->method->ssl_clear(s); 1549 1550 return (1); 1551 } 1552 1553 void 1554 ssl3_free(SSL *s) 1555 { 1556 if (s == NULL) 1557 return; 1558 1559 tls1_cleanup_key_block(s); 1560 ssl3_release_read_buffer(s); 1561 ssl3_release_write_buffer(s); 1562 freezero(s->s3->hs.sigalgs, s->s3->hs.sigalgs_len); 1563 1564 tls_key_share_free(s->s3->hs.key_share); 1565 1566 tls13_secrets_destroy(s->s3->hs.tls13.secrets); 1567 freezero(s->s3->hs.tls13.cookie, s->s3->hs.tls13.cookie_len); 1568 tls13_clienthello_hash_clear(&s->s3->hs.tls13); 1569 1570 sk_X509_NAME_pop_free(s->s3->hs.tls12.ca_names, X509_NAME_free); 1571 sk_X509_pop_free(s->internal->verified_chain, X509_free); 1572 1573 tls1_transcript_free(s); 1574 tls1_transcript_hash_free(s); 1575 1576 free(s->s3->alpn_selected); 1577 1578 freezero(s->s3, sizeof(*s->s3)); 1579 1580 s->s3 = NULL; 1581 } 1582 1583 void 1584 ssl3_clear(SSL *s) 1585 { 1586 unsigned char *rp, *wp; 1587 size_t rlen, wlen; 1588 1589 tls1_cleanup_key_block(s); 1590 sk_X509_NAME_pop_free(s->s3->hs.tls12.ca_names, X509_NAME_free); 1591 sk_X509_pop_free(s->internal->verified_chain, X509_free); 1592 s->internal->verified_chain = NULL; 1593 1594 freezero(s->s3->hs.sigalgs, s->s3->hs.sigalgs_len); 1595 s->s3->hs.sigalgs = NULL; 1596 s->s3->hs.sigalgs_len = 0; 1597 1598 tls_key_share_free(s->s3->hs.key_share); 1599 s->s3->hs.key_share = NULL; 1600 1601 tls13_secrets_destroy(s->s3->hs.tls13.secrets); 1602 s->s3->hs.tls13.secrets = NULL; 1603 freezero(s->s3->hs.tls13.cookie, s->s3->hs.tls13.cookie_len); 1604 s->s3->hs.tls13.cookie = NULL; 1605 s->s3->hs.tls13.cookie_len = 0; 1606 tls13_clienthello_hash_clear(&s->s3->hs.tls13); 1607 1608 s->s3->hs.extensions_seen = 0; 1609 1610 rp = s->s3->rbuf.buf; 1611 wp = s->s3->wbuf.buf; 1612 rlen = s->s3->rbuf.len; 1613 wlen = s->s3->wbuf.len; 1614 1615 tls1_transcript_free(s); 1616 tls1_transcript_hash_free(s); 1617 1618 free(s->s3->alpn_selected); 1619 s->s3->alpn_selected = NULL; 1620 s->s3->alpn_selected_len = 0; 1621 1622 memset(s->s3, 0, sizeof(*s->s3)); 1623 1624 s->s3->rbuf.buf = rp; 1625 s->s3->wbuf.buf = wp; 1626 s->s3->rbuf.len = rlen; 1627 s->s3->wbuf.len = wlen; 1628 1629 ssl_free_wbio_buffer(s); 1630 1631 /* Not needed... */ 1632 s->s3->renegotiate = 0; 1633 s->s3->total_renegotiations = 0; 1634 s->s3->num_renegotiations = 0; 1635 s->s3->in_read_app_data = 0; 1636 1637 s->internal->packet_length = 0; 1638 s->version = TLS1_VERSION; 1639 1640 s->s3->hs.state = SSL_ST_BEFORE|((s->server) ? SSL_ST_ACCEPT : SSL_ST_CONNECT); 1641 } 1642 1643 long 1644 _SSL_get_peer_tmp_key(SSL *s, EVP_PKEY **key) 1645 { 1646 EVP_PKEY *pkey = NULL; 1647 int ret = 0; 1648 1649 *key = NULL; 1650 1651 if (s->s3->hs.key_share == NULL) 1652 goto err; 1653 1654 if ((pkey = EVP_PKEY_new()) == NULL) 1655 goto err; 1656 if (!tls_key_share_peer_pkey(s->s3->hs.key_share, pkey)) 1657 goto err; 1658 1659 *key = pkey; 1660 pkey = NULL; 1661 1662 ret = 1; 1663 1664 err: 1665 EVP_PKEY_free(pkey); 1666 1667 return (ret); 1668 } 1669 1670 static int 1671 _SSL_session_reused(SSL *s) 1672 { 1673 return s->internal->hit; 1674 } 1675 1676 static int 1677 _SSL_num_renegotiations(SSL *s) 1678 { 1679 return s->s3->num_renegotiations; 1680 } 1681 1682 static int 1683 _SSL_clear_num_renegotiations(SSL *s) 1684 { 1685 int renegs; 1686 1687 renegs = s->s3->num_renegotiations; 1688 s->s3->num_renegotiations = 0; 1689 1690 return renegs; 1691 } 1692 1693 static int 1694 _SSL_total_renegotiations(SSL *s) 1695 { 1696 return s->s3->total_renegotiations; 1697 } 1698 1699 static int 1700 _SSL_set_tmp_dh(SSL *s, DH *dh) 1701 { 1702 DH *dhe_params; 1703 1704 if (dh == NULL) { 1705 SSLerror(s, ERR_R_PASSED_NULL_PARAMETER); 1706 return 0; 1707 } 1708 1709 if ((dhe_params = DHparams_dup(dh)) == NULL) { 1710 SSLerror(s, ERR_R_DH_LIB); 1711 return 0; 1712 } 1713 1714 DH_free(s->cert->dhe_params); 1715 s->cert->dhe_params = dhe_params; 1716 1717 return 1; 1718 } 1719 1720 static int 1721 _SSL_set_dh_auto(SSL *s, int state) 1722 { 1723 s->cert->dhe_params_auto = state; 1724 return 1; 1725 } 1726 1727 static int 1728 _SSL_set_tmp_ecdh(SSL *s, EC_KEY *ecdh) 1729 { 1730 const EC_GROUP *group; 1731 int nid; 1732 1733 if (ecdh == NULL) 1734 return 0; 1735 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 1736 return 0; 1737 1738 nid = EC_GROUP_get_curve_name(group); 1739 return SSL_set1_groups(s, &nid, 1); 1740 } 1741 1742 static int 1743 _SSL_set_ecdh_auto(SSL *s, int state) 1744 { 1745 return 1; 1746 } 1747 1748 static int 1749 _SSL_set_tlsext_host_name(SSL *s, const char *name) 1750 { 1751 int is_ip; 1752 CBS cbs; 1753 1754 free(s->tlsext_hostname); 1755 s->tlsext_hostname = NULL; 1756 1757 if (name == NULL) 1758 return 1; 1759 1760 CBS_init(&cbs, name, strlen(name)); 1761 1762 if (!tlsext_sni_is_valid_hostname(&cbs, &is_ip)) { 1763 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME); 1764 return 0; 1765 } 1766 if ((s->tlsext_hostname = strdup(name)) == NULL) { 1767 SSLerror(s, ERR_R_INTERNAL_ERROR); 1768 return 0; 1769 } 1770 1771 return 1; 1772 } 1773 1774 static int 1775 _SSL_set_tlsext_debug_arg(SSL *s, void *arg) 1776 { 1777 s->internal->tlsext_debug_arg = arg; 1778 return 1; 1779 } 1780 1781 static int 1782 _SSL_get_tlsext_status_type(SSL *s) 1783 { 1784 return s->tlsext_status_type; 1785 } 1786 1787 static int 1788 _SSL_set_tlsext_status_type(SSL *s, int type) 1789 { 1790 s->tlsext_status_type = type; 1791 return 1; 1792 } 1793 1794 static int 1795 _SSL_get_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) **exts) 1796 { 1797 *exts = s->internal->tlsext_ocsp_exts; 1798 return 1; 1799 } 1800 1801 static int 1802 _SSL_set_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) *exts) 1803 { 1804 /* XXX - leak... */ 1805 s->internal->tlsext_ocsp_exts = exts; 1806 return 1; 1807 } 1808 1809 static int 1810 _SSL_get_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) **ids) 1811 { 1812 *ids = s->internal->tlsext_ocsp_ids; 1813 return 1; 1814 } 1815 1816 static int 1817 _SSL_set_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) *ids) 1818 { 1819 /* XXX - leak... */ 1820 s->internal->tlsext_ocsp_ids = ids; 1821 return 1; 1822 } 1823 1824 static int 1825 _SSL_get_tlsext_status_ocsp_resp(SSL *s, unsigned char **resp) 1826 { 1827 if (s->internal->tlsext_ocsp_resp != NULL && 1828 s->internal->tlsext_ocsp_resp_len < INT_MAX) { 1829 *resp = s->internal->tlsext_ocsp_resp; 1830 return (int)s->internal->tlsext_ocsp_resp_len; 1831 } 1832 1833 *resp = NULL; 1834 1835 return -1; 1836 } 1837 1838 static int 1839 _SSL_set_tlsext_status_ocsp_resp(SSL *s, unsigned char *resp, int resp_len) 1840 { 1841 free(s->internal->tlsext_ocsp_resp); 1842 s->internal->tlsext_ocsp_resp = NULL; 1843 s->internal->tlsext_ocsp_resp_len = 0; 1844 1845 if (resp_len < 0) 1846 return 0; 1847 1848 s->internal->tlsext_ocsp_resp = resp; 1849 s->internal->tlsext_ocsp_resp_len = (size_t)resp_len; 1850 1851 return 1; 1852 } 1853 1854 int 1855 SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain) 1856 { 1857 return ssl_cert_set0_chain(ssl->cert, chain); 1858 } 1859 1860 int 1861 SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain) 1862 { 1863 return ssl_cert_set1_chain(ssl->cert, chain); 1864 } 1865 1866 int 1867 SSL_add0_chain_cert(SSL *ssl, X509 *x509) 1868 { 1869 return ssl_cert_add0_chain_cert(ssl->cert, x509); 1870 } 1871 1872 int 1873 SSL_add1_chain_cert(SSL *ssl, X509 *x509) 1874 { 1875 return ssl_cert_add1_chain_cert(ssl->cert, x509); 1876 } 1877 1878 int 1879 SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain) 1880 { 1881 *out_chain = NULL; 1882 1883 if (ssl->cert->key != NULL) 1884 *out_chain = ssl->cert->key->chain; 1885 1886 return 1; 1887 } 1888 1889 int 1890 SSL_clear_chain_certs(SSL *ssl) 1891 { 1892 return ssl_cert_set0_chain(ssl->cert, NULL); 1893 } 1894 1895 int 1896 SSL_set1_groups(SSL *s, const int *groups, size_t groups_len) 1897 { 1898 return tls1_set_groups(&s->internal->tlsext_supportedgroups, 1899 &s->internal->tlsext_supportedgroups_length, groups, groups_len); 1900 } 1901 1902 int 1903 SSL_set1_groups_list(SSL *s, const char *groups) 1904 { 1905 return tls1_set_group_list(&s->internal->tlsext_supportedgroups, 1906 &s->internal->tlsext_supportedgroups_length, groups); 1907 } 1908 1909 static int 1910 _SSL_get_signature_nid(SSL *s, int *nid) 1911 { 1912 const struct ssl_sigalg *sigalg; 1913 1914 if ((sigalg = s->s3->hs.our_sigalg) == NULL) 1915 return 0; 1916 1917 *nid = EVP_MD_type(sigalg->md()); 1918 1919 return 1; 1920 } 1921 1922 static int 1923 _SSL_get_peer_signature_nid(SSL *s, int *nid) 1924 { 1925 const struct ssl_sigalg *sigalg; 1926 1927 if ((sigalg = s->s3->hs.peer_sigalg) == NULL) 1928 return 0; 1929 1930 *nid = EVP_MD_type(sigalg->md()); 1931 1932 return 1; 1933 } 1934 1935 int 1936 SSL_get_signature_type_nid(const SSL *s, int *nid) 1937 { 1938 const struct ssl_sigalg *sigalg; 1939 1940 if ((sigalg = s->s3->hs.our_sigalg) == NULL) 1941 return 0; 1942 1943 *nid = sigalg->key_type; 1944 if (sigalg->key_type == EVP_PKEY_RSA && 1945 (sigalg->flags & SIGALG_FLAG_RSA_PSS)) 1946 *nid = EVP_PKEY_RSA_PSS; 1947 1948 return 1; 1949 } 1950 1951 int 1952 SSL_get_peer_signature_type_nid(const SSL *s, int *nid) 1953 { 1954 const struct ssl_sigalg *sigalg; 1955 1956 if ((sigalg = s->s3->hs.peer_sigalg) == NULL) 1957 return 0; 1958 1959 *nid = sigalg->key_type; 1960 if (sigalg->key_type == EVP_PKEY_RSA && 1961 (sigalg->flags & SIGALG_FLAG_RSA_PSS)) 1962 *nid = EVP_PKEY_RSA_PSS; 1963 1964 return 1; 1965 } 1966 1967 long 1968 ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) 1969 { 1970 switch (cmd) { 1971 case SSL_CTRL_GET_SESSION_REUSED: 1972 return _SSL_session_reused(s); 1973 1974 case SSL_CTRL_GET_NUM_RENEGOTIATIONS: 1975 return _SSL_num_renegotiations(s); 1976 1977 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS: 1978 return _SSL_clear_num_renegotiations(s); 1979 1980 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS: 1981 return _SSL_total_renegotiations(s); 1982 1983 case SSL_CTRL_SET_TMP_DH: 1984 return _SSL_set_tmp_dh(s, parg); 1985 1986 case SSL_CTRL_SET_TMP_DH_CB: 1987 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 1988 return 0; 1989 1990 case SSL_CTRL_SET_DH_AUTO: 1991 return _SSL_set_dh_auto(s, larg); 1992 1993 case SSL_CTRL_SET_TMP_ECDH: 1994 return _SSL_set_tmp_ecdh(s, parg); 1995 1996 case SSL_CTRL_SET_TMP_ECDH_CB: 1997 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 1998 return 0; 1999 2000 case SSL_CTRL_SET_ECDH_AUTO: 2001 return _SSL_set_ecdh_auto(s, larg); 2002 2003 case SSL_CTRL_SET_TLSEXT_HOSTNAME: 2004 if (larg != TLSEXT_NAMETYPE_host_name) { 2005 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE); 2006 return 0; 2007 } 2008 return _SSL_set_tlsext_host_name(s, parg); 2009 2010 case SSL_CTRL_SET_TLSEXT_DEBUG_ARG: 2011 return _SSL_set_tlsext_debug_arg(s, parg); 2012 2013 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE: 2014 return _SSL_get_tlsext_status_type(s); 2015 2016 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE: 2017 return _SSL_set_tlsext_status_type(s, larg); 2018 2019 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS: 2020 return _SSL_get_tlsext_status_exts(s, parg); 2021 2022 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS: 2023 return _SSL_set_tlsext_status_exts(s, parg); 2024 2025 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS: 2026 return _SSL_get_tlsext_status_ids(s, parg); 2027 2028 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS: 2029 return _SSL_set_tlsext_status_ids(s, parg); 2030 2031 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP: 2032 return _SSL_get_tlsext_status_ocsp_resp(s, parg); 2033 2034 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP: 2035 return _SSL_set_tlsext_status_ocsp_resp(s, parg, larg); 2036 2037 case SSL_CTRL_CHAIN: 2038 if (larg == 0) 2039 return SSL_set0_chain(s, (STACK_OF(X509) *)parg); 2040 else 2041 return SSL_set1_chain(s, (STACK_OF(X509) *)parg); 2042 2043 case SSL_CTRL_CHAIN_CERT: 2044 if (larg == 0) 2045 return SSL_add0_chain_cert(s, (X509 *)parg); 2046 else 2047 return SSL_add1_chain_cert(s, (X509 *)parg); 2048 2049 case SSL_CTRL_GET_CHAIN_CERTS: 2050 return SSL_get0_chain_certs(s, (STACK_OF(X509) **)parg); 2051 2052 case SSL_CTRL_SET_GROUPS: 2053 return SSL_set1_groups(s, parg, larg); 2054 2055 case SSL_CTRL_SET_GROUPS_LIST: 2056 return SSL_set1_groups_list(s, parg); 2057 2058 /* XXX - rename to SSL_CTRL_GET_PEER_TMP_KEY and remove server check. */ 2059 case SSL_CTRL_GET_SERVER_TMP_KEY: 2060 if (s->server != 0) 2061 return 0; 2062 return _SSL_get_peer_tmp_key(s, parg); 2063 2064 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2065 return SSL_get_min_proto_version(s); 2066 2067 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2068 return SSL_get_max_proto_version(s); 2069 2070 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2071 if (larg < 0 || larg > UINT16_MAX) 2072 return 0; 2073 return SSL_set_min_proto_version(s, larg); 2074 2075 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2076 if (larg < 0 || larg > UINT16_MAX) 2077 return 0; 2078 return SSL_set_max_proto_version(s, larg); 2079 2080 case SSL_CTRL_GET_SIGNATURE_NID: 2081 return _SSL_get_signature_nid(s, parg); 2082 2083 case SSL_CTRL_GET_PEER_SIGNATURE_NID: 2084 return _SSL_get_peer_signature_nid(s, parg); 2085 2086 /* 2087 * Legacy controls that should eventually be removed. 2088 */ 2089 case SSL_CTRL_GET_CLIENT_CERT_REQUEST: 2090 return 0; 2091 2092 case SSL_CTRL_GET_FLAGS: 2093 return (int)(s->s3->flags); 2094 2095 case SSL_CTRL_NEED_TMP_RSA: 2096 return 0; 2097 2098 case SSL_CTRL_SET_TMP_RSA: 2099 case SSL_CTRL_SET_TMP_RSA_CB: 2100 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2101 return 0; 2102 } 2103 2104 return 0; 2105 } 2106 2107 long 2108 ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) 2109 { 2110 switch (cmd) { 2111 case SSL_CTRL_SET_TMP_RSA_CB: 2112 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2113 return 0; 2114 2115 case SSL_CTRL_SET_TMP_DH_CB: 2116 s->cert->dhe_params_cb = (DH *(*)(SSL *, int, int))fp; 2117 return 1; 2118 2119 case SSL_CTRL_SET_TMP_ECDH_CB: 2120 return 1; 2121 2122 case SSL_CTRL_SET_TLSEXT_DEBUG_CB: 2123 s->internal->tlsext_debug_cb = (void (*)(SSL *, int , int, 2124 unsigned char *, int, void *))fp; 2125 return 1; 2126 } 2127 2128 return 0; 2129 } 2130 2131 static int 2132 _SSL_CTX_set_tmp_dh(SSL_CTX *ctx, DH *dh) 2133 { 2134 DH *dhe_params; 2135 2136 if (dh == NULL) { 2137 SSLerrorx(ERR_R_PASSED_NULL_PARAMETER); 2138 return 0; 2139 } 2140 2141 if ((dhe_params = DHparams_dup(dh)) == NULL) { 2142 SSLerrorx(ERR_R_DH_LIB); 2143 return 0; 2144 } 2145 2146 DH_free(ctx->internal->cert->dhe_params); 2147 ctx->internal->cert->dhe_params = dhe_params; 2148 2149 return 1; 2150 } 2151 2152 static int 2153 _SSL_CTX_set_dh_auto(SSL_CTX *ctx, int state) 2154 { 2155 ctx->internal->cert->dhe_params_auto = state; 2156 return 1; 2157 } 2158 2159 static int 2160 _SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, EC_KEY *ecdh) 2161 { 2162 const EC_GROUP *group; 2163 int nid; 2164 2165 if (ecdh == NULL) 2166 return 0; 2167 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 2168 return 0; 2169 2170 nid = EC_GROUP_get_curve_name(group); 2171 return SSL_CTX_set1_groups(ctx, &nid, 1); 2172 } 2173 2174 static int 2175 _SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state) 2176 { 2177 return 1; 2178 } 2179 2180 static int 2181 _SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) 2182 { 2183 ctx->internal->tlsext_servername_arg = arg; 2184 return 1; 2185 } 2186 2187 static int 2188 _SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2189 { 2190 if (keys == NULL) 2191 return 48; 2192 2193 if (keys_len != 48) { 2194 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2195 return 0; 2196 } 2197 2198 memcpy(keys, ctx->internal->tlsext_tick_key_name, 16); 2199 memcpy(keys + 16, ctx->internal->tlsext_tick_hmac_key, 16); 2200 memcpy(keys + 32, ctx->internal->tlsext_tick_aes_key, 16); 2201 2202 return 1; 2203 } 2204 2205 static int 2206 _SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2207 { 2208 if (keys == NULL) 2209 return 48; 2210 2211 if (keys_len != 48) { 2212 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2213 return 0; 2214 } 2215 2216 memcpy(ctx->internal->tlsext_tick_key_name, keys, 16); 2217 memcpy(ctx->internal->tlsext_tick_hmac_key, keys + 16, 16); 2218 memcpy(ctx->internal->tlsext_tick_aes_key, keys + 32, 16); 2219 2220 return 1; 2221 } 2222 2223 static int 2224 _SSL_CTX_get_tlsext_status_arg(SSL_CTX *ctx, void **arg) 2225 { 2226 *arg = ctx->internal->tlsext_status_arg; 2227 return 1; 2228 } 2229 2230 static int 2231 _SSL_CTX_set_tlsext_status_arg(SSL_CTX *ctx, void *arg) 2232 { 2233 ctx->internal->tlsext_status_arg = arg; 2234 return 1; 2235 } 2236 2237 int 2238 SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) 2239 { 2240 return ssl_cert_set0_chain(ctx->internal->cert, chain); 2241 } 2242 2243 int 2244 SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) 2245 { 2246 return ssl_cert_set1_chain(ctx->internal->cert, chain); 2247 } 2248 2249 int 2250 SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509) 2251 { 2252 return ssl_cert_add0_chain_cert(ctx->internal->cert, x509); 2253 } 2254 2255 int 2256 SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509) 2257 { 2258 return ssl_cert_add1_chain_cert(ctx->internal->cert, x509); 2259 } 2260 2261 int 2262 SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain) 2263 { 2264 *out_chain = NULL; 2265 2266 if (ctx->internal->cert->key != NULL) 2267 *out_chain = ctx->internal->cert->key->chain; 2268 2269 return 1; 2270 } 2271 2272 int 2273 SSL_CTX_clear_chain_certs(SSL_CTX *ctx) 2274 { 2275 return ssl_cert_set0_chain(ctx->internal->cert, NULL); 2276 } 2277 2278 static int 2279 _SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *cert) 2280 { 2281 if (ctx->extra_certs == NULL) { 2282 if ((ctx->extra_certs = sk_X509_new_null()) == NULL) 2283 return 0; 2284 } 2285 if (sk_X509_push(ctx->extra_certs, cert) == 0) 2286 return 0; 2287 2288 return 1; 2289 } 2290 2291 static int 2292 _SSL_CTX_get_extra_chain_certs(SSL_CTX *ctx, STACK_OF(X509) **certs) 2293 { 2294 *certs = ctx->extra_certs; 2295 if (*certs == NULL) 2296 *certs = ctx->internal->cert->key->chain; 2297 2298 return 1; 2299 } 2300 2301 static int 2302 _SSL_CTX_get_extra_chain_certs_only(SSL_CTX *ctx, STACK_OF(X509) **certs) 2303 { 2304 *certs = ctx->extra_certs; 2305 return 1; 2306 } 2307 2308 static int 2309 _SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx) 2310 { 2311 sk_X509_pop_free(ctx->extra_certs, X509_free); 2312 ctx->extra_certs = NULL; 2313 return 1; 2314 } 2315 2316 int 2317 SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len) 2318 { 2319 return tls1_set_groups(&ctx->internal->tlsext_supportedgroups, 2320 &ctx->internal->tlsext_supportedgroups_length, groups, groups_len); 2321 } 2322 2323 int 2324 SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups) 2325 { 2326 return tls1_set_group_list(&ctx->internal->tlsext_supportedgroups, 2327 &ctx->internal->tlsext_supportedgroups_length, groups); 2328 } 2329 2330 long 2331 ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) 2332 { 2333 switch (cmd) { 2334 case SSL_CTRL_SET_TMP_DH: 2335 return _SSL_CTX_set_tmp_dh(ctx, parg); 2336 2337 case SSL_CTRL_SET_TMP_DH_CB: 2338 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2339 return 0; 2340 2341 case SSL_CTRL_SET_DH_AUTO: 2342 return _SSL_CTX_set_dh_auto(ctx, larg); 2343 2344 case SSL_CTRL_SET_TMP_ECDH: 2345 return _SSL_CTX_set_tmp_ecdh(ctx, parg); 2346 2347 case SSL_CTRL_SET_TMP_ECDH_CB: 2348 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2349 return 0; 2350 2351 case SSL_CTRL_SET_ECDH_AUTO: 2352 return _SSL_CTX_set_ecdh_auto(ctx, larg); 2353 2354 case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG: 2355 return _SSL_CTX_set_tlsext_servername_arg(ctx, parg); 2356 2357 case SSL_CTRL_GET_TLSEXT_TICKET_KEYS: 2358 return _SSL_CTX_get_tlsext_ticket_keys(ctx, parg, larg); 2359 2360 case SSL_CTRL_SET_TLSEXT_TICKET_KEYS: 2361 return _SSL_CTX_set_tlsext_ticket_keys(ctx, parg, larg); 2362 2363 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG: 2364 return _SSL_CTX_get_tlsext_status_arg(ctx, parg); 2365 2366 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG: 2367 return _SSL_CTX_set_tlsext_status_arg(ctx, parg); 2368 2369 case SSL_CTRL_CHAIN: 2370 if (larg == 0) 2371 return SSL_CTX_set0_chain(ctx, (STACK_OF(X509) *)parg); 2372 else 2373 return SSL_CTX_set1_chain(ctx, (STACK_OF(X509) *)parg); 2374 2375 case SSL_CTRL_CHAIN_CERT: 2376 if (larg == 0) 2377 return SSL_CTX_add0_chain_cert(ctx, (X509 *)parg); 2378 else 2379 return SSL_CTX_add1_chain_cert(ctx, (X509 *)parg); 2380 2381 case SSL_CTRL_GET_CHAIN_CERTS: 2382 return SSL_CTX_get0_chain_certs(ctx, (STACK_OF(X509) **)parg); 2383 2384 case SSL_CTRL_EXTRA_CHAIN_CERT: 2385 return _SSL_CTX_add_extra_chain_cert(ctx, parg); 2386 2387 case SSL_CTRL_GET_EXTRA_CHAIN_CERTS: 2388 if (larg == 0) 2389 return _SSL_CTX_get_extra_chain_certs(ctx, parg); 2390 else 2391 return _SSL_CTX_get_extra_chain_certs_only(ctx, parg); 2392 2393 case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS: 2394 return _SSL_CTX_clear_extra_chain_certs(ctx); 2395 2396 case SSL_CTRL_SET_GROUPS: 2397 return SSL_CTX_set1_groups(ctx, parg, larg); 2398 2399 case SSL_CTRL_SET_GROUPS_LIST: 2400 return SSL_CTX_set1_groups_list(ctx, parg); 2401 2402 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2403 return SSL_CTX_get_min_proto_version(ctx); 2404 2405 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2406 return SSL_CTX_get_max_proto_version(ctx); 2407 2408 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2409 if (larg < 0 || larg > UINT16_MAX) 2410 return 0; 2411 return SSL_CTX_set_min_proto_version(ctx, larg); 2412 2413 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2414 if (larg < 0 || larg > UINT16_MAX) 2415 return 0; 2416 return SSL_CTX_set_max_proto_version(ctx, larg); 2417 2418 /* 2419 * Legacy controls that should eventually be removed. 2420 */ 2421 case SSL_CTRL_NEED_TMP_RSA: 2422 return 0; 2423 2424 case SSL_CTRL_SET_TMP_RSA: 2425 case SSL_CTRL_SET_TMP_RSA_CB: 2426 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2427 return 0; 2428 } 2429 2430 return 0; 2431 } 2432 2433 long 2434 ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) 2435 { 2436 switch (cmd) { 2437 case SSL_CTRL_SET_TMP_RSA_CB: 2438 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2439 return 0; 2440 2441 case SSL_CTRL_SET_TMP_DH_CB: 2442 ctx->internal->cert->dhe_params_cb = 2443 (DH *(*)(SSL *, int, int))fp; 2444 return 1; 2445 2446 case SSL_CTRL_SET_TMP_ECDH_CB: 2447 return 1; 2448 2449 case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB: 2450 ctx->internal->tlsext_servername_callback = 2451 (int (*)(SSL *, int *, void *))fp; 2452 return 1; 2453 2454 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB: 2455 *(int (**)(SSL *, void *))fp = ctx->internal->tlsext_status_cb; 2456 return 1; 2457 2458 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB: 2459 ctx->internal->tlsext_status_cb = (int (*)(SSL *, void *))fp; 2460 return 1; 2461 2462 case SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB: 2463 ctx->internal->tlsext_ticket_key_cb = (int (*)(SSL *, unsigned char *, 2464 unsigned char *, EVP_CIPHER_CTX *, HMAC_CTX *, int))fp; 2465 return 1; 2466 } 2467 2468 return 0; 2469 } 2470 2471 SSL_CIPHER * 2472 ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, 2473 STACK_OF(SSL_CIPHER) *srvr) 2474 { 2475 unsigned long alg_k, alg_a, mask_k, mask_a; 2476 STACK_OF(SSL_CIPHER) *prio, *allow; 2477 SSL_CIPHER *c, *ret = NULL; 2478 int can_use_ecc; 2479 int i, ii, ok; 2480 SSL_CERT *cert; 2481 2482 /* Let's see which ciphers we can support */ 2483 cert = s->cert; 2484 2485 can_use_ecc = (tls1_get_shared_curve(s) != NID_undef); 2486 2487 /* 2488 * Do not set the compare functions, because this may lead to a 2489 * reordering by "id". We want to keep the original ordering. 2490 * We may pay a price in performance during sk_SSL_CIPHER_find(), 2491 * but would have to pay with the price of sk_SSL_CIPHER_dup(). 2492 */ 2493 2494 if (s->internal->options & SSL_OP_CIPHER_SERVER_PREFERENCE) { 2495 prio = srvr; 2496 allow = clnt; 2497 } else { 2498 prio = clnt; 2499 allow = srvr; 2500 } 2501 2502 for (i = 0; i < sk_SSL_CIPHER_num(prio); i++) { 2503 c = sk_SSL_CIPHER_value(prio, i); 2504 2505 /* Skip TLS v1.2 only ciphersuites if not supported. */ 2506 if ((c->algorithm_ssl & SSL_TLSV1_2) && 2507 !SSL_USE_TLS1_2_CIPHERS(s)) 2508 continue; 2509 2510 /* Skip TLS v1.3 only ciphersuites if not supported. */ 2511 if ((c->algorithm_ssl & SSL_TLSV1_3) && 2512 !SSL_USE_TLS1_3_CIPHERS(s)) 2513 continue; 2514 2515 /* If TLS v1.3, only allow TLS v1.3 ciphersuites. */ 2516 if (SSL_USE_TLS1_3_CIPHERS(s) && 2517 !(c->algorithm_ssl & SSL_TLSV1_3)) 2518 continue; 2519 2520 ssl_set_cert_masks(cert, c); 2521 mask_k = cert->mask_k; 2522 mask_a = cert->mask_a; 2523 2524 alg_k = c->algorithm_mkey; 2525 alg_a = c->algorithm_auth; 2526 2527 ok = (alg_k & mask_k) && (alg_a & mask_a); 2528 2529 /* 2530 * If we are considering an ECC cipher suite that uses our 2531 * certificate check it. 2532 */ 2533 if (alg_a & SSL_aECDSA) 2534 ok = ok && tls1_check_ec_server_key(s); 2535 /* 2536 * If we are considering an ECC cipher suite that uses 2537 * an ephemeral EC key check it. 2538 */ 2539 if (alg_k & SSL_kECDHE) 2540 ok = ok && can_use_ecc; 2541 2542 if (!ok) 2543 continue; 2544 ii = sk_SSL_CIPHER_find(allow, c); 2545 if (ii >= 0) { 2546 ret = sk_SSL_CIPHER_value(allow, ii); 2547 break; 2548 } 2549 } 2550 return (ret); 2551 } 2552 2553 int 2554 ssl3_get_req_cert_types(SSL *s, CBB *cbb) 2555 { 2556 unsigned long alg_k; 2557 2558 alg_k = s->s3->hs.cipher->algorithm_mkey; 2559 2560 #ifndef OPENSSL_NO_GOST 2561 if ((alg_k & SSL_kGOST) != 0) { 2562 if (!CBB_add_u8(cbb, TLS_CT_GOST01_SIGN)) 2563 return 0; 2564 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN)) 2565 return 0; 2566 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN)) 2567 return 0; 2568 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN_COMPAT)) 2569 return 0; 2570 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN_COMPAT)) 2571 return 0; 2572 } 2573 #endif 2574 2575 if ((alg_k & SSL_kDHE) != 0) { 2576 if (!CBB_add_u8(cbb, SSL3_CT_RSA_FIXED_DH)) 2577 return 0; 2578 } 2579 2580 if (!CBB_add_u8(cbb, SSL3_CT_RSA_SIGN)) 2581 return 0; 2582 2583 /* 2584 * ECDSA certs can be used with RSA cipher suites as well 2585 * so we don't need to check for SSL_kECDH or SSL_kECDHE. 2586 */ 2587 if (!CBB_add_u8(cbb, TLS_CT_ECDSA_SIGN)) 2588 return 0; 2589 2590 return 1; 2591 } 2592 2593 int 2594 ssl3_shutdown(SSL *s) 2595 { 2596 int ret; 2597 2598 /* 2599 * Don't do anything much if we have not done the handshake or 2600 * we don't want to send messages :-) 2601 */ 2602 if ((s->internal->quiet_shutdown) || (s->s3->hs.state == SSL_ST_BEFORE)) { 2603 s->internal->shutdown = (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2604 return (1); 2605 } 2606 2607 if (!(s->internal->shutdown & SSL_SENT_SHUTDOWN)) { 2608 s->internal->shutdown|=SSL_SENT_SHUTDOWN; 2609 ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY); 2610 /* 2611 * Our shutdown alert has been sent now, and if it still needs 2612 * to be written, s->s3->alert_dispatch will be true 2613 */ 2614 if (s->s3->alert_dispatch) 2615 return (-1); /* return WANT_WRITE */ 2616 } else if (s->s3->alert_dispatch) { 2617 /* resend it if not sent */ 2618 ret = ssl3_dispatch_alert(s); 2619 if (ret == -1) { 2620 /* 2621 * We only get to return -1 here the 2nd/Nth 2622 * invocation, we must have already signalled 2623 * return 0 upon a previous invoation, 2624 * return WANT_WRITE 2625 */ 2626 return (ret); 2627 } 2628 } else if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2629 /* If we are waiting for a close from our peer, we are closed */ 2630 s->method->ssl_read_bytes(s, 0, NULL, 0, 0); 2631 if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2632 return (-1); /* return WANT_READ */ 2633 } 2634 } 2635 2636 if ((s->internal->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) && 2637 !s->s3->alert_dispatch) 2638 return (1); 2639 else 2640 return (0); 2641 } 2642 2643 int 2644 ssl3_write(SSL *s, const void *buf, int len) 2645 { 2646 errno = 0; 2647 2648 if (s->s3->renegotiate) 2649 ssl3_renegotiate_check(s); 2650 2651 return s->method->ssl_write_bytes(s, SSL3_RT_APPLICATION_DATA, 2652 buf, len); 2653 } 2654 2655 static int 2656 ssl3_read_internal(SSL *s, void *buf, int len, int peek) 2657 { 2658 int ret; 2659 2660 errno = 0; 2661 if (s->s3->renegotiate) 2662 ssl3_renegotiate_check(s); 2663 s->s3->in_read_app_data = 1; 2664 2665 ret = s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, buf, len, 2666 peek); 2667 if ((ret == -1) && (s->s3->in_read_app_data == 2)) { 2668 /* 2669 * ssl3_read_bytes decided to call s->internal->handshake_func, 2670 * which called ssl3_read_bytes to read handshake data. 2671 * However, ssl3_read_bytes actually found application data 2672 * and thinks that application data makes sense here; so disable 2673 * handshake processing and try to read application data again. 2674 */ 2675 s->internal->in_handshake++; 2676 ret = s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, 2677 buf, len, peek); 2678 s->internal->in_handshake--; 2679 } else 2680 s->s3->in_read_app_data = 0; 2681 2682 return (ret); 2683 } 2684 2685 int 2686 ssl3_read(SSL *s, void *buf, int len) 2687 { 2688 return ssl3_read_internal(s, buf, len, 0); 2689 } 2690 2691 int 2692 ssl3_peek(SSL *s, void *buf, int len) 2693 { 2694 return ssl3_read_internal(s, buf, len, 1); 2695 } 2696 2697 int 2698 ssl3_renegotiate(SSL *s) 2699 { 2700 if (s->internal->handshake_func == NULL) 2701 return 1; 2702 2703 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) 2704 return 0; 2705 2706 s->s3->renegotiate = 1; 2707 2708 return 1; 2709 } 2710 2711 int 2712 ssl3_renegotiate_check(SSL *s) 2713 { 2714 if (!s->s3->renegotiate) 2715 return 0; 2716 if (SSL_in_init(s) || s->s3->rbuf.left != 0 || s->s3->wbuf.left != 0) 2717 return 0; 2718 2719 s->s3->hs.state = SSL_ST_RENEGOTIATE; 2720 s->s3->renegotiate = 0; 2721 s->s3->num_renegotiations++; 2722 s->s3->total_renegotiations++; 2723 2724 return 1; 2725 } 2726