1 /* $OpenBSD: s3_lib.c,v 1.215 2021/09/08 12:56:14 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" 165 166 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers) / sizeof(SSL_CIPHER)) 167 168 /* 169 * FIXED_NONCE_LEN is a macro that provides in the correct value to set the 170 * fixed nonce length in algorithms2. It is the inverse of the 171 * SSL_CIPHER_AEAD_FIXED_NONCE_LEN macro. 172 */ 173 #define FIXED_NONCE_LEN(x) (((x / 2) & 0xf) << 24) 174 175 /* list of available SSLv3 ciphers (sorted by id) */ 176 const SSL_CIPHER ssl3_ciphers[] = { 177 178 /* The RSA ciphers */ 179 /* Cipher 01 */ 180 { 181 .valid = 1, 182 .name = SSL3_TXT_RSA_NULL_MD5, 183 .id = SSL3_CK_RSA_NULL_MD5, 184 .algorithm_mkey = SSL_kRSA, 185 .algorithm_auth = SSL_aRSA, 186 .algorithm_enc = SSL_eNULL, 187 .algorithm_mac = SSL_MD5, 188 .algorithm_ssl = SSL_SSLV3, 189 .algo_strength = SSL_STRONG_NONE, 190 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 191 .strength_bits = 0, 192 .alg_bits = 0, 193 }, 194 195 /* Cipher 02 */ 196 { 197 .valid = 1, 198 .name = SSL3_TXT_RSA_NULL_SHA, 199 .id = SSL3_CK_RSA_NULL_SHA, 200 .algorithm_mkey = SSL_kRSA, 201 .algorithm_auth = SSL_aRSA, 202 .algorithm_enc = SSL_eNULL, 203 .algorithm_mac = SSL_SHA1, 204 .algorithm_ssl = SSL_SSLV3, 205 .algo_strength = SSL_STRONG_NONE, 206 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 207 .strength_bits = 0, 208 .alg_bits = 0, 209 }, 210 211 /* Cipher 04 */ 212 { 213 .valid = 1, 214 .name = SSL3_TXT_RSA_RC4_128_MD5, 215 .id = SSL3_CK_RSA_RC4_128_MD5, 216 .algorithm_mkey = SSL_kRSA, 217 .algorithm_auth = SSL_aRSA, 218 .algorithm_enc = SSL_RC4, 219 .algorithm_mac = SSL_MD5, 220 .algorithm_ssl = SSL_SSLV3, 221 .algo_strength = SSL_LOW, 222 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 223 .strength_bits = 128, 224 .alg_bits = 128, 225 }, 226 227 /* Cipher 05 */ 228 { 229 .valid = 1, 230 .name = SSL3_TXT_RSA_RC4_128_SHA, 231 .id = SSL3_CK_RSA_RC4_128_SHA, 232 .algorithm_mkey = SSL_kRSA, 233 .algorithm_auth = SSL_aRSA, 234 .algorithm_enc = SSL_RC4, 235 .algorithm_mac = SSL_SHA1, 236 .algorithm_ssl = SSL_SSLV3, 237 .algo_strength = SSL_LOW, 238 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 239 .strength_bits = 128, 240 .alg_bits = 128, 241 }, 242 243 /* Cipher 0A */ 244 { 245 .valid = 1, 246 .name = SSL3_TXT_RSA_DES_192_CBC3_SHA, 247 .id = SSL3_CK_RSA_DES_192_CBC3_SHA, 248 .algorithm_mkey = SSL_kRSA, 249 .algorithm_auth = SSL_aRSA, 250 .algorithm_enc = SSL_3DES, 251 .algorithm_mac = SSL_SHA1, 252 .algorithm_ssl = SSL_SSLV3, 253 .algo_strength = SSL_MEDIUM, 254 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 255 .strength_bits = 112, 256 .alg_bits = 168, 257 }, 258 259 /* 260 * Ephemeral DH (DHE) ciphers. 261 */ 262 263 /* Cipher 16 */ 264 { 265 .valid = 1, 266 .name = SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, 267 .id = SSL3_CK_EDH_RSA_DES_192_CBC3_SHA, 268 .algorithm_mkey = SSL_kDHE, 269 .algorithm_auth = SSL_aRSA, 270 .algorithm_enc = SSL_3DES, 271 .algorithm_mac = SSL_SHA1, 272 .algorithm_ssl = SSL_SSLV3, 273 .algo_strength = SSL_MEDIUM, 274 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 275 .strength_bits = 112, 276 .alg_bits = 168, 277 }, 278 279 /* Cipher 18 */ 280 { 281 .valid = 1, 282 .name = SSL3_TXT_ADH_RC4_128_MD5, 283 .id = SSL3_CK_ADH_RC4_128_MD5, 284 .algorithm_mkey = SSL_kDHE, 285 .algorithm_auth = SSL_aNULL, 286 .algorithm_enc = SSL_RC4, 287 .algorithm_mac = SSL_MD5, 288 .algorithm_ssl = SSL_SSLV3, 289 .algo_strength = SSL_LOW, 290 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 291 .strength_bits = 128, 292 .alg_bits = 128, 293 }, 294 295 /* Cipher 1B */ 296 { 297 .valid = 1, 298 .name = SSL3_TXT_ADH_DES_192_CBC_SHA, 299 .id = SSL3_CK_ADH_DES_192_CBC_SHA, 300 .algorithm_mkey = SSL_kDHE, 301 .algorithm_auth = SSL_aNULL, 302 .algorithm_enc = SSL_3DES, 303 .algorithm_mac = SSL_SHA1, 304 .algorithm_ssl = SSL_SSLV3, 305 .algo_strength = SSL_MEDIUM, 306 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 307 .strength_bits = 112, 308 .alg_bits = 168, 309 }, 310 311 /* 312 * AES ciphersuites. 313 */ 314 315 /* Cipher 2F */ 316 { 317 .valid = 1, 318 .name = TLS1_TXT_RSA_WITH_AES_128_SHA, 319 .id = TLS1_CK_RSA_WITH_AES_128_SHA, 320 .algorithm_mkey = SSL_kRSA, 321 .algorithm_auth = SSL_aRSA, 322 .algorithm_enc = SSL_AES128, 323 .algorithm_mac = SSL_SHA1, 324 .algorithm_ssl = SSL_TLSV1, 325 .algo_strength = SSL_HIGH, 326 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 327 .strength_bits = 128, 328 .alg_bits = 128, 329 }, 330 331 /* Cipher 33 */ 332 { 333 .valid = 1, 334 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA, 335 .id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA, 336 .algorithm_mkey = SSL_kDHE, 337 .algorithm_auth = SSL_aRSA, 338 .algorithm_enc = SSL_AES128, 339 .algorithm_mac = SSL_SHA1, 340 .algorithm_ssl = SSL_TLSV1, 341 .algo_strength = SSL_HIGH, 342 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 343 .strength_bits = 128, 344 .alg_bits = 128, 345 }, 346 347 /* Cipher 34 */ 348 { 349 .valid = 1, 350 .name = TLS1_TXT_ADH_WITH_AES_128_SHA, 351 .id = TLS1_CK_ADH_WITH_AES_128_SHA, 352 .algorithm_mkey = SSL_kDHE, 353 .algorithm_auth = SSL_aNULL, 354 .algorithm_enc = SSL_AES128, 355 .algorithm_mac = SSL_SHA1, 356 .algorithm_ssl = SSL_TLSV1, 357 .algo_strength = SSL_HIGH, 358 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 359 .strength_bits = 128, 360 .alg_bits = 128, 361 }, 362 363 /* Cipher 35 */ 364 { 365 .valid = 1, 366 .name = TLS1_TXT_RSA_WITH_AES_256_SHA, 367 .id = TLS1_CK_RSA_WITH_AES_256_SHA, 368 .algorithm_mkey = SSL_kRSA, 369 .algorithm_auth = SSL_aRSA, 370 .algorithm_enc = SSL_AES256, 371 .algorithm_mac = SSL_SHA1, 372 .algorithm_ssl = SSL_TLSV1, 373 .algo_strength = SSL_HIGH, 374 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 375 .strength_bits = 256, 376 .alg_bits = 256, 377 }, 378 379 /* Cipher 39 */ 380 { 381 .valid = 1, 382 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA, 383 .id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA, 384 .algorithm_mkey = SSL_kDHE, 385 .algorithm_auth = SSL_aRSA, 386 .algorithm_enc = SSL_AES256, 387 .algorithm_mac = SSL_SHA1, 388 .algorithm_ssl = SSL_TLSV1, 389 .algo_strength = SSL_HIGH, 390 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 391 .strength_bits = 256, 392 .alg_bits = 256, 393 }, 394 395 /* Cipher 3A */ 396 { 397 .valid = 1, 398 .name = TLS1_TXT_ADH_WITH_AES_256_SHA, 399 .id = TLS1_CK_ADH_WITH_AES_256_SHA, 400 .algorithm_mkey = SSL_kDHE, 401 .algorithm_auth = SSL_aNULL, 402 .algorithm_enc = SSL_AES256, 403 .algorithm_mac = SSL_SHA1, 404 .algorithm_ssl = SSL_TLSV1, 405 .algo_strength = SSL_HIGH, 406 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 407 .strength_bits = 256, 408 .alg_bits = 256, 409 }, 410 411 /* TLS v1.2 ciphersuites */ 412 /* Cipher 3B */ 413 { 414 .valid = 1, 415 .name = TLS1_TXT_RSA_WITH_NULL_SHA256, 416 .id = TLS1_CK_RSA_WITH_NULL_SHA256, 417 .algorithm_mkey = SSL_kRSA, 418 .algorithm_auth = SSL_aRSA, 419 .algorithm_enc = SSL_eNULL, 420 .algorithm_mac = SSL_SHA256, 421 .algorithm_ssl = SSL_TLSV1_2, 422 .algo_strength = SSL_STRONG_NONE, 423 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 424 .strength_bits = 0, 425 .alg_bits = 0, 426 }, 427 428 /* Cipher 3C */ 429 { 430 .valid = 1, 431 .name = TLS1_TXT_RSA_WITH_AES_128_SHA256, 432 .id = TLS1_CK_RSA_WITH_AES_128_SHA256, 433 .algorithm_mkey = SSL_kRSA, 434 .algorithm_auth = SSL_aRSA, 435 .algorithm_enc = SSL_AES128, 436 .algorithm_mac = SSL_SHA256, 437 .algorithm_ssl = SSL_TLSV1_2, 438 .algo_strength = SSL_HIGH, 439 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 440 .strength_bits = 128, 441 .alg_bits = 128, 442 }, 443 444 /* Cipher 3D */ 445 { 446 .valid = 1, 447 .name = TLS1_TXT_RSA_WITH_AES_256_SHA256, 448 .id = TLS1_CK_RSA_WITH_AES_256_SHA256, 449 .algorithm_mkey = SSL_kRSA, 450 .algorithm_auth = SSL_aRSA, 451 .algorithm_enc = SSL_AES256, 452 .algorithm_mac = SSL_SHA256, 453 .algorithm_ssl = SSL_TLSV1_2, 454 .algo_strength = SSL_HIGH, 455 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 456 .strength_bits = 256, 457 .alg_bits = 256, 458 }, 459 460 #ifndef OPENSSL_NO_CAMELLIA 461 /* Camellia ciphersuites from RFC4132 (128-bit portion) */ 462 463 /* Cipher 41 */ 464 { 465 .valid = 1, 466 .name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA, 467 .id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA, 468 .algorithm_mkey = SSL_kRSA, 469 .algorithm_auth = SSL_aRSA, 470 .algorithm_enc = SSL_CAMELLIA128, 471 .algorithm_mac = SSL_SHA1, 472 .algorithm_ssl = SSL_TLSV1, 473 .algo_strength = SSL_HIGH, 474 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 475 .strength_bits = 128, 476 .alg_bits = 128, 477 }, 478 479 /* Cipher 45 */ 480 { 481 .valid = 1, 482 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, 483 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, 484 .algorithm_mkey = SSL_kDHE, 485 .algorithm_auth = SSL_aRSA, 486 .algorithm_enc = SSL_CAMELLIA128, 487 .algorithm_mac = SSL_SHA1, 488 .algorithm_ssl = SSL_TLSV1, 489 .algo_strength = SSL_HIGH, 490 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 491 .strength_bits = 128, 492 .alg_bits = 128, 493 }, 494 495 /* Cipher 46 */ 496 { 497 .valid = 1, 498 .name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA, 499 .id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA, 500 .algorithm_mkey = SSL_kDHE, 501 .algorithm_auth = SSL_aNULL, 502 .algorithm_enc = SSL_CAMELLIA128, 503 .algorithm_mac = SSL_SHA1, 504 .algorithm_ssl = SSL_TLSV1, 505 .algo_strength = SSL_HIGH, 506 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 507 .strength_bits = 128, 508 .alg_bits = 128, 509 }, 510 #endif /* OPENSSL_NO_CAMELLIA */ 511 512 /* TLS v1.2 ciphersuites */ 513 /* Cipher 67 */ 514 { 515 .valid = 1, 516 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA256, 517 .id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA256, 518 .algorithm_mkey = SSL_kDHE, 519 .algorithm_auth = SSL_aRSA, 520 .algorithm_enc = SSL_AES128, 521 .algorithm_mac = SSL_SHA256, 522 .algorithm_ssl = SSL_TLSV1_2, 523 .algo_strength = SSL_HIGH, 524 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 525 .strength_bits = 128, 526 .alg_bits = 128, 527 }, 528 529 /* Cipher 6B */ 530 { 531 .valid = 1, 532 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA256, 533 .id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA256, 534 .algorithm_mkey = SSL_kDHE, 535 .algorithm_auth = SSL_aRSA, 536 .algorithm_enc = SSL_AES256, 537 .algorithm_mac = SSL_SHA256, 538 .algorithm_ssl = SSL_TLSV1_2, 539 .algo_strength = SSL_HIGH, 540 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 541 .strength_bits = 256, 542 .alg_bits = 256, 543 }, 544 545 /* Cipher 6C */ 546 { 547 .valid = 1, 548 .name = TLS1_TXT_ADH_WITH_AES_128_SHA256, 549 .id = TLS1_CK_ADH_WITH_AES_128_SHA256, 550 .algorithm_mkey = SSL_kDHE, 551 .algorithm_auth = SSL_aNULL, 552 .algorithm_enc = SSL_AES128, 553 .algorithm_mac = SSL_SHA256, 554 .algorithm_ssl = SSL_TLSV1_2, 555 .algo_strength = SSL_HIGH, 556 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 557 .strength_bits = 128, 558 .alg_bits = 128, 559 }, 560 561 /* Cipher 6D */ 562 { 563 .valid = 1, 564 .name = TLS1_TXT_ADH_WITH_AES_256_SHA256, 565 .id = TLS1_CK_ADH_WITH_AES_256_SHA256, 566 .algorithm_mkey = SSL_kDHE, 567 .algorithm_auth = SSL_aNULL, 568 .algorithm_enc = SSL_AES256, 569 .algorithm_mac = SSL_SHA256, 570 .algorithm_ssl = SSL_TLSV1_2, 571 .algo_strength = SSL_HIGH, 572 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 573 .strength_bits = 256, 574 .alg_bits = 256, 575 }, 576 577 /* GOST Ciphersuites */ 578 579 /* Cipher 81 */ 580 { 581 .valid = 1, 582 .name = "GOST2001-GOST89-GOST89", 583 .id = 0x3000081, 584 .algorithm_mkey = SSL_kGOST, 585 .algorithm_auth = SSL_aGOST01, 586 .algorithm_enc = SSL_eGOST2814789CNT, 587 .algorithm_mac = SSL_GOST89MAC, 588 .algorithm_ssl = SSL_TLSV1, 589 .algo_strength = SSL_HIGH, 590 .algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94| 591 TLS1_STREAM_MAC, 592 .strength_bits = 256, 593 .alg_bits = 256 594 }, 595 596 /* Cipher 83 */ 597 { 598 .valid = 1, 599 .name = "GOST2001-NULL-GOST94", 600 .id = 0x3000083, 601 .algorithm_mkey = SSL_kGOST, 602 .algorithm_auth = SSL_aGOST01, 603 .algorithm_enc = SSL_eNULL, 604 .algorithm_mac = SSL_GOST94, 605 .algorithm_ssl = SSL_TLSV1, 606 .algo_strength = SSL_STRONG_NONE, 607 .algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94, 608 .strength_bits = 0, 609 .alg_bits = 0 610 }, 611 612 #ifndef OPENSSL_NO_CAMELLIA 613 /* Camellia ciphersuites from RFC4132 (256-bit portion) */ 614 615 /* Cipher 84 */ 616 { 617 .valid = 1, 618 .name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA, 619 .id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA, 620 .algorithm_mkey = SSL_kRSA, 621 .algorithm_auth = SSL_aRSA, 622 .algorithm_enc = SSL_CAMELLIA256, 623 .algorithm_mac = SSL_SHA1, 624 .algorithm_ssl = SSL_TLSV1, 625 .algo_strength = SSL_HIGH, 626 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 627 .strength_bits = 256, 628 .alg_bits = 256, 629 }, 630 631 /* Cipher 88 */ 632 { 633 .valid = 1, 634 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, 635 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, 636 .algorithm_mkey = SSL_kDHE, 637 .algorithm_auth = SSL_aRSA, 638 .algorithm_enc = SSL_CAMELLIA256, 639 .algorithm_mac = SSL_SHA1, 640 .algorithm_ssl = SSL_TLSV1, 641 .algo_strength = SSL_HIGH, 642 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 643 .strength_bits = 256, 644 .alg_bits = 256, 645 }, 646 647 /* Cipher 89 */ 648 { 649 .valid = 1, 650 .name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA, 651 .id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA, 652 .algorithm_mkey = SSL_kDHE, 653 .algorithm_auth = SSL_aNULL, 654 .algorithm_enc = SSL_CAMELLIA256, 655 .algorithm_mac = SSL_SHA1, 656 .algorithm_ssl = SSL_TLSV1, 657 .algo_strength = SSL_HIGH, 658 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 659 .strength_bits = 256, 660 .alg_bits = 256, 661 }, 662 #endif /* OPENSSL_NO_CAMELLIA */ 663 664 /* 665 * GCM ciphersuites from RFC5288. 666 */ 667 668 /* Cipher 9C */ 669 { 670 .valid = 1, 671 .name = TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256, 672 .id = TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 673 .algorithm_mkey = SSL_kRSA, 674 .algorithm_auth = SSL_aRSA, 675 .algorithm_enc = SSL_AES128GCM, 676 .algorithm_mac = SSL_AEAD, 677 .algorithm_ssl = SSL_TLSV1_2, 678 .algo_strength = SSL_HIGH, 679 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 680 FIXED_NONCE_LEN(4)| 681 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 682 .strength_bits = 128, 683 .alg_bits = 128, 684 }, 685 686 /* Cipher 9D */ 687 { 688 .valid = 1, 689 .name = TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384, 690 .id = TLS1_CK_RSA_WITH_AES_256_GCM_SHA384, 691 .algorithm_mkey = SSL_kRSA, 692 .algorithm_auth = SSL_aRSA, 693 .algorithm_enc = SSL_AES256GCM, 694 .algorithm_mac = SSL_AEAD, 695 .algorithm_ssl = SSL_TLSV1_2, 696 .algo_strength = SSL_HIGH, 697 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 698 FIXED_NONCE_LEN(4)| 699 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 700 .strength_bits = 256, 701 .alg_bits = 256, 702 }, 703 704 /* Cipher 9E */ 705 { 706 .valid = 1, 707 .name = TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256, 708 .id = TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, 709 .algorithm_mkey = SSL_kDHE, 710 .algorithm_auth = SSL_aRSA, 711 .algorithm_enc = SSL_AES128GCM, 712 .algorithm_mac = SSL_AEAD, 713 .algorithm_ssl = SSL_TLSV1_2, 714 .algo_strength = SSL_HIGH, 715 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 716 FIXED_NONCE_LEN(4)| 717 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 718 .strength_bits = 128, 719 .alg_bits = 128, 720 }, 721 722 /* Cipher 9F */ 723 { 724 .valid = 1, 725 .name = TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384, 726 .id = TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384, 727 .algorithm_mkey = SSL_kDHE, 728 .algorithm_auth = SSL_aRSA, 729 .algorithm_enc = SSL_AES256GCM, 730 .algorithm_mac = SSL_AEAD, 731 .algorithm_ssl = SSL_TLSV1_2, 732 .algo_strength = SSL_HIGH, 733 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 734 FIXED_NONCE_LEN(4)| 735 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 736 .strength_bits = 256, 737 .alg_bits = 256, 738 }, 739 740 /* Cipher A6 */ 741 { 742 .valid = 1, 743 .name = TLS1_TXT_ADH_WITH_AES_128_GCM_SHA256, 744 .id = TLS1_CK_ADH_WITH_AES_128_GCM_SHA256, 745 .algorithm_mkey = SSL_kDHE, 746 .algorithm_auth = SSL_aNULL, 747 .algorithm_enc = SSL_AES128GCM, 748 .algorithm_mac = SSL_AEAD, 749 .algorithm_ssl = SSL_TLSV1_2, 750 .algo_strength = SSL_HIGH, 751 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 752 FIXED_NONCE_LEN(4)| 753 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 754 .strength_bits = 128, 755 .alg_bits = 128, 756 }, 757 758 /* Cipher A7 */ 759 { 760 .valid = 1, 761 .name = TLS1_TXT_ADH_WITH_AES_256_GCM_SHA384, 762 .id = TLS1_CK_ADH_WITH_AES_256_GCM_SHA384, 763 .algorithm_mkey = SSL_kDHE, 764 .algorithm_auth = SSL_aNULL, 765 .algorithm_enc = SSL_AES256GCM, 766 .algorithm_mac = SSL_AEAD, 767 .algorithm_ssl = SSL_TLSV1_2, 768 .algo_strength = SSL_HIGH, 769 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 770 FIXED_NONCE_LEN(4)| 771 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 772 .strength_bits = 256, 773 .alg_bits = 256, 774 }, 775 776 #ifndef OPENSSL_NO_CAMELLIA 777 /* TLS 1.2 Camellia SHA-256 ciphersuites from RFC5932 */ 778 779 /* Cipher BA */ 780 { 781 .valid = 1, 782 .name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA256, 783 .id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA256, 784 .algorithm_mkey = SSL_kRSA, 785 .algorithm_auth = SSL_aRSA, 786 .algorithm_enc = SSL_CAMELLIA128, 787 .algorithm_mac = SSL_SHA256, 788 .algorithm_ssl = SSL_TLSV1_2, 789 .algo_strength = SSL_HIGH, 790 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 791 .strength_bits = 128, 792 .alg_bits = 128, 793 }, 794 795 /* Cipher BE */ 796 { 797 .valid = 1, 798 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, 799 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, 800 .algorithm_mkey = SSL_kDHE, 801 .algorithm_auth = SSL_aRSA, 802 .algorithm_enc = SSL_CAMELLIA128, 803 .algorithm_mac = SSL_SHA256, 804 .algorithm_ssl = SSL_TLSV1_2, 805 .algo_strength = SSL_HIGH, 806 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 807 .strength_bits = 128, 808 .alg_bits = 128, 809 }, 810 811 /* Cipher BF */ 812 { 813 .valid = 1, 814 .name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA256, 815 .id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA256, 816 .algorithm_mkey = SSL_kDHE, 817 .algorithm_auth = SSL_aNULL, 818 .algorithm_enc = SSL_CAMELLIA128, 819 .algorithm_mac = SSL_SHA256, 820 .algorithm_ssl = SSL_TLSV1_2, 821 .algo_strength = SSL_HIGH, 822 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 823 .strength_bits = 128, 824 .alg_bits = 128, 825 }, 826 827 /* Cipher C0 */ 828 { 829 .valid = 1, 830 .name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA256, 831 .id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA256, 832 .algorithm_mkey = SSL_kRSA, 833 .algorithm_auth = SSL_aRSA, 834 .algorithm_enc = SSL_CAMELLIA256, 835 .algorithm_mac = SSL_SHA256, 836 .algorithm_ssl = SSL_TLSV1_2, 837 .algo_strength = SSL_HIGH, 838 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 839 .strength_bits = 256, 840 .alg_bits = 256, 841 }, 842 843 /* Cipher C4 */ 844 { 845 .valid = 1, 846 .name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, 847 .id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, 848 .algorithm_mkey = SSL_kDHE, 849 .algorithm_auth = SSL_aRSA, 850 .algorithm_enc = SSL_CAMELLIA256, 851 .algorithm_mac = SSL_SHA256, 852 .algorithm_ssl = SSL_TLSV1_2, 853 .algo_strength = SSL_HIGH, 854 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 855 .strength_bits = 256, 856 .alg_bits = 256, 857 }, 858 859 /* Cipher C5 */ 860 { 861 .valid = 1, 862 .name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA256, 863 .id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA256, 864 .algorithm_mkey = SSL_kDHE, 865 .algorithm_auth = SSL_aNULL, 866 .algorithm_enc = SSL_CAMELLIA256, 867 .algorithm_mac = SSL_SHA256, 868 .algorithm_ssl = SSL_TLSV1_2, 869 .algo_strength = SSL_HIGH, 870 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 871 .strength_bits = 256, 872 .alg_bits = 256, 873 }, 874 #endif /* OPENSSL_NO_CAMELLIA */ 875 876 /* 877 * TLSv1.3 cipher suites. 878 */ 879 880 #ifdef LIBRESSL_HAS_TLS1_3 881 /* Cipher 1301 */ 882 { 883 .valid = 1, 884 .name = TLS1_3_TXT_AES_128_GCM_SHA256, 885 .id = TLS1_3_CK_AES_128_GCM_SHA256, 886 .algorithm_mkey = SSL_kTLS1_3, 887 .algorithm_auth = SSL_aTLS1_3, 888 .algorithm_enc = SSL_AES128GCM, 889 .algorithm_mac = SSL_AEAD, 890 .algorithm_ssl = SSL_TLSV1_3, 891 .algo_strength = SSL_HIGH, 892 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256, /* XXX */ 893 .strength_bits = 128, 894 .alg_bits = 128, 895 }, 896 897 /* Cipher 1302 */ 898 { 899 .valid = 1, 900 .name = TLS1_3_TXT_AES_256_GCM_SHA384, 901 .id = TLS1_3_CK_AES_256_GCM_SHA384, 902 .algorithm_mkey = SSL_kTLS1_3, 903 .algorithm_auth = SSL_aTLS1_3, 904 .algorithm_enc = SSL_AES256GCM, 905 .algorithm_mac = SSL_AEAD, 906 .algorithm_ssl = SSL_TLSV1_3, 907 .algo_strength = SSL_HIGH, 908 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384, /* XXX */ 909 .strength_bits = 256, 910 .alg_bits = 256, 911 }, 912 913 /* Cipher 1303 */ 914 { 915 .valid = 1, 916 .name = TLS1_3_TXT_CHACHA20_POLY1305_SHA256, 917 .id = TLS1_3_CK_CHACHA20_POLY1305_SHA256, 918 .algorithm_mkey = SSL_kTLS1_3, 919 .algorithm_auth = SSL_aTLS1_3, 920 .algorithm_enc = SSL_CHACHA20POLY1305, 921 .algorithm_mac = SSL_AEAD, 922 .algorithm_ssl = SSL_TLSV1_3, 923 .algo_strength = SSL_HIGH, 924 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256, /* XXX */ 925 .strength_bits = 256, 926 .alg_bits = 256, 927 }, 928 #endif 929 930 /* Cipher C006 */ 931 { 932 .valid = 1, 933 .name = TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA, 934 .id = TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA, 935 .algorithm_mkey = SSL_kECDHE, 936 .algorithm_auth = SSL_aECDSA, 937 .algorithm_enc = SSL_eNULL, 938 .algorithm_mac = SSL_SHA1, 939 .algorithm_ssl = SSL_TLSV1, 940 .algo_strength = SSL_STRONG_NONE, 941 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 942 .strength_bits = 0, 943 .alg_bits = 0, 944 }, 945 946 /* Cipher C007 */ 947 { 948 .valid = 1, 949 .name = TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA, 950 .id = TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA, 951 .algorithm_mkey = SSL_kECDHE, 952 .algorithm_auth = SSL_aECDSA, 953 .algorithm_enc = SSL_RC4, 954 .algorithm_mac = SSL_SHA1, 955 .algorithm_ssl = SSL_TLSV1, 956 .algo_strength = SSL_LOW, 957 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 958 .strength_bits = 128, 959 .alg_bits = 128, 960 }, 961 962 /* Cipher C008 */ 963 { 964 .valid = 1, 965 .name = TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, 966 .id = TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA, 967 .algorithm_mkey = SSL_kECDHE, 968 .algorithm_auth = SSL_aECDSA, 969 .algorithm_enc = SSL_3DES, 970 .algorithm_mac = SSL_SHA1, 971 .algorithm_ssl = SSL_TLSV1, 972 .algo_strength = SSL_MEDIUM, 973 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 974 .strength_bits = 112, 975 .alg_bits = 168, 976 }, 977 978 /* Cipher C009 */ 979 { 980 .valid = 1, 981 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 982 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 983 .algorithm_mkey = SSL_kECDHE, 984 .algorithm_auth = SSL_aECDSA, 985 .algorithm_enc = SSL_AES128, 986 .algorithm_mac = SSL_SHA1, 987 .algorithm_ssl = SSL_TLSV1, 988 .algo_strength = SSL_HIGH, 989 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 990 .strength_bits = 128, 991 .alg_bits = 128, 992 }, 993 994 /* Cipher C00A */ 995 { 996 .valid = 1, 997 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 998 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 999 .algorithm_mkey = SSL_kECDHE, 1000 .algorithm_auth = SSL_aECDSA, 1001 .algorithm_enc = SSL_AES256, 1002 .algorithm_mac = SSL_SHA1, 1003 .algorithm_ssl = SSL_TLSV1, 1004 .algo_strength = SSL_HIGH, 1005 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1006 .strength_bits = 256, 1007 .alg_bits = 256, 1008 }, 1009 1010 /* Cipher C010 */ 1011 { 1012 .valid = 1, 1013 .name = TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA, 1014 .id = TLS1_CK_ECDHE_RSA_WITH_NULL_SHA, 1015 .algorithm_mkey = SSL_kECDHE, 1016 .algorithm_auth = SSL_aRSA, 1017 .algorithm_enc = SSL_eNULL, 1018 .algorithm_mac = SSL_SHA1, 1019 .algorithm_ssl = SSL_TLSV1, 1020 .algo_strength = SSL_STRONG_NONE, 1021 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1022 .strength_bits = 0, 1023 .alg_bits = 0, 1024 }, 1025 1026 /* Cipher C011 */ 1027 { 1028 .valid = 1, 1029 .name = TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA, 1030 .id = TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA, 1031 .algorithm_mkey = SSL_kECDHE, 1032 .algorithm_auth = SSL_aRSA, 1033 .algorithm_enc = SSL_RC4, 1034 .algorithm_mac = SSL_SHA1, 1035 .algorithm_ssl = SSL_TLSV1, 1036 .algo_strength = SSL_LOW, 1037 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1038 .strength_bits = 128, 1039 .alg_bits = 128, 1040 }, 1041 1042 /* Cipher C012 */ 1043 { 1044 .valid = 1, 1045 .name = TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA, 1046 .id = TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA, 1047 .algorithm_mkey = SSL_kECDHE, 1048 .algorithm_auth = SSL_aRSA, 1049 .algorithm_enc = SSL_3DES, 1050 .algorithm_mac = SSL_SHA1, 1051 .algorithm_ssl = SSL_TLSV1, 1052 .algo_strength = SSL_MEDIUM, 1053 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1054 .strength_bits = 112, 1055 .alg_bits = 168, 1056 }, 1057 1058 /* Cipher C013 */ 1059 { 1060 .valid = 1, 1061 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA, 1062 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, 1063 .algorithm_mkey = SSL_kECDHE, 1064 .algorithm_auth = SSL_aRSA, 1065 .algorithm_enc = SSL_AES128, 1066 .algorithm_mac = SSL_SHA1, 1067 .algorithm_ssl = SSL_TLSV1, 1068 .algo_strength = SSL_HIGH, 1069 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1070 .strength_bits = 128, 1071 .alg_bits = 128, 1072 }, 1073 1074 /* Cipher C014 */ 1075 { 1076 .valid = 1, 1077 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA, 1078 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, 1079 .algorithm_mkey = SSL_kECDHE, 1080 .algorithm_auth = SSL_aRSA, 1081 .algorithm_enc = SSL_AES256, 1082 .algorithm_mac = SSL_SHA1, 1083 .algorithm_ssl = SSL_TLSV1, 1084 .algo_strength = SSL_HIGH, 1085 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1086 .strength_bits = 256, 1087 .alg_bits = 256, 1088 }, 1089 1090 /* Cipher C015 */ 1091 { 1092 .valid = 1, 1093 .name = TLS1_TXT_ECDH_anon_WITH_NULL_SHA, 1094 .id = TLS1_CK_ECDH_anon_WITH_NULL_SHA, 1095 .algorithm_mkey = SSL_kECDHE, 1096 .algorithm_auth = SSL_aNULL, 1097 .algorithm_enc = SSL_eNULL, 1098 .algorithm_mac = SSL_SHA1, 1099 .algorithm_ssl = SSL_TLSV1, 1100 .algo_strength = SSL_STRONG_NONE, 1101 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1102 .strength_bits = 0, 1103 .alg_bits = 0, 1104 }, 1105 1106 /* Cipher C016 */ 1107 { 1108 .valid = 1, 1109 .name = TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA, 1110 .id = TLS1_CK_ECDH_anon_WITH_RC4_128_SHA, 1111 .algorithm_mkey = SSL_kECDHE, 1112 .algorithm_auth = SSL_aNULL, 1113 .algorithm_enc = SSL_RC4, 1114 .algorithm_mac = SSL_SHA1, 1115 .algorithm_ssl = SSL_TLSV1, 1116 .algo_strength = SSL_LOW, 1117 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1118 .strength_bits = 128, 1119 .alg_bits = 128, 1120 }, 1121 1122 /* Cipher C017 */ 1123 { 1124 .valid = 1, 1125 .name = TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA, 1126 .id = TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA, 1127 .algorithm_mkey = SSL_kECDHE, 1128 .algorithm_auth = SSL_aNULL, 1129 .algorithm_enc = SSL_3DES, 1130 .algorithm_mac = SSL_SHA1, 1131 .algorithm_ssl = SSL_TLSV1, 1132 .algo_strength = SSL_MEDIUM, 1133 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1134 .strength_bits = 112, 1135 .alg_bits = 168, 1136 }, 1137 1138 /* Cipher C018 */ 1139 { 1140 .valid = 1, 1141 .name = TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA, 1142 .id = TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA, 1143 .algorithm_mkey = SSL_kECDHE, 1144 .algorithm_auth = SSL_aNULL, 1145 .algorithm_enc = SSL_AES128, 1146 .algorithm_mac = SSL_SHA1, 1147 .algorithm_ssl = SSL_TLSV1, 1148 .algo_strength = SSL_HIGH, 1149 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1150 .strength_bits = 128, 1151 .alg_bits = 128, 1152 }, 1153 1154 /* Cipher C019 */ 1155 { 1156 .valid = 1, 1157 .name = TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA, 1158 .id = TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA, 1159 .algorithm_mkey = SSL_kECDHE, 1160 .algorithm_auth = SSL_aNULL, 1161 .algorithm_enc = SSL_AES256, 1162 .algorithm_mac = SSL_SHA1, 1163 .algorithm_ssl = SSL_TLSV1, 1164 .algo_strength = SSL_HIGH, 1165 .algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF, 1166 .strength_bits = 256, 1167 .alg_bits = 256, 1168 }, 1169 1170 1171 /* HMAC based TLS v1.2 ciphersuites from RFC5289 */ 1172 1173 /* Cipher C023 */ 1174 { 1175 .valid = 1, 1176 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256, 1177 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256, 1178 .algorithm_mkey = SSL_kECDHE, 1179 .algorithm_auth = SSL_aECDSA, 1180 .algorithm_enc = SSL_AES128, 1181 .algorithm_mac = SSL_SHA256, 1182 .algorithm_ssl = SSL_TLSV1_2, 1183 .algo_strength = SSL_HIGH, 1184 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 1185 .strength_bits = 128, 1186 .alg_bits = 128, 1187 }, 1188 1189 /* Cipher C024 */ 1190 { 1191 .valid = 1, 1192 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384, 1193 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384, 1194 .algorithm_mkey = SSL_kECDHE, 1195 .algorithm_auth = SSL_aECDSA, 1196 .algorithm_enc = SSL_AES256, 1197 .algorithm_mac = SSL_SHA384, 1198 .algorithm_ssl = SSL_TLSV1_2, 1199 .algo_strength = SSL_HIGH, 1200 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384, 1201 .strength_bits = 256, 1202 .alg_bits = 256, 1203 }, 1204 1205 /* Cipher C027 */ 1206 { 1207 .valid = 1, 1208 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256, 1209 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256, 1210 .algorithm_mkey = SSL_kECDHE, 1211 .algorithm_auth = SSL_aRSA, 1212 .algorithm_enc = SSL_AES128, 1213 .algorithm_mac = SSL_SHA256, 1214 .algorithm_ssl = SSL_TLSV1_2, 1215 .algo_strength = SSL_HIGH, 1216 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256, 1217 .strength_bits = 128, 1218 .alg_bits = 128, 1219 }, 1220 1221 /* Cipher C028 */ 1222 { 1223 .valid = 1, 1224 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384, 1225 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384, 1226 .algorithm_mkey = SSL_kECDHE, 1227 .algorithm_auth = SSL_aRSA, 1228 .algorithm_enc = SSL_AES256, 1229 .algorithm_mac = SSL_SHA384, 1230 .algorithm_ssl = SSL_TLSV1_2, 1231 .algo_strength = SSL_HIGH, 1232 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384, 1233 .strength_bits = 256, 1234 .alg_bits = 256, 1235 }, 1236 1237 /* GCM based TLS v1.2 ciphersuites from RFC5289 */ 1238 1239 /* Cipher C02B */ 1240 { 1241 .valid = 1, 1242 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 1243 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 1244 .algorithm_mkey = SSL_kECDHE, 1245 .algorithm_auth = SSL_aECDSA, 1246 .algorithm_enc = SSL_AES128GCM, 1247 .algorithm_mac = SSL_AEAD, 1248 .algorithm_ssl = SSL_TLSV1_2, 1249 .algo_strength = SSL_HIGH, 1250 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1251 FIXED_NONCE_LEN(4)| 1252 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1253 .strength_bits = 128, 1254 .alg_bits = 128, 1255 }, 1256 1257 /* Cipher C02C */ 1258 { 1259 .valid = 1, 1260 .name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 1261 .id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 1262 .algorithm_mkey = SSL_kECDHE, 1263 .algorithm_auth = SSL_aECDSA, 1264 .algorithm_enc = SSL_AES256GCM, 1265 .algorithm_mac = SSL_AEAD, 1266 .algorithm_ssl = SSL_TLSV1_2, 1267 .algo_strength = SSL_HIGH, 1268 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 1269 FIXED_NONCE_LEN(4)| 1270 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1271 .strength_bits = 256, 1272 .alg_bits = 256, 1273 }, 1274 1275 /* Cipher C02F */ 1276 { 1277 .valid = 1, 1278 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 1279 .id = TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 1280 .algorithm_mkey = SSL_kECDHE, 1281 .algorithm_auth = SSL_aRSA, 1282 .algorithm_enc = SSL_AES128GCM, 1283 .algorithm_mac = SSL_AEAD, 1284 .algorithm_ssl = SSL_TLSV1_2, 1285 .algo_strength = SSL_HIGH, 1286 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1287 FIXED_NONCE_LEN(4)| 1288 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1289 .strength_bits = 128, 1290 .alg_bits = 128, 1291 }, 1292 1293 /* Cipher C030 */ 1294 { 1295 .valid = 1, 1296 .name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 1297 .id = TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 1298 .algorithm_mkey = SSL_kECDHE, 1299 .algorithm_auth = SSL_aRSA, 1300 .algorithm_enc = SSL_AES256GCM, 1301 .algorithm_mac = SSL_AEAD, 1302 .algorithm_ssl = SSL_TLSV1_2, 1303 .algo_strength = SSL_HIGH, 1304 .algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384| 1305 FIXED_NONCE_LEN(4)| 1306 SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD, 1307 .strength_bits = 256, 1308 .alg_bits = 256, 1309 }, 1310 1311 /* Cipher CCA8 */ 1312 { 1313 .valid = 1, 1314 .name = TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305, 1315 .id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 1316 .algorithm_mkey = SSL_kECDHE, 1317 .algorithm_auth = SSL_aRSA, 1318 .algorithm_enc = SSL_CHACHA20POLY1305, 1319 .algorithm_mac = SSL_AEAD, 1320 .algorithm_ssl = SSL_TLSV1_2, 1321 .algo_strength = SSL_HIGH, 1322 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1323 FIXED_NONCE_LEN(12), 1324 .strength_bits = 256, 1325 .alg_bits = 256, 1326 }, 1327 1328 /* Cipher CCA9 */ 1329 { 1330 .valid = 1, 1331 .name = TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, 1332 .id = TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 1333 .algorithm_mkey = SSL_kECDHE, 1334 .algorithm_auth = SSL_aECDSA, 1335 .algorithm_enc = SSL_CHACHA20POLY1305, 1336 .algorithm_mac = SSL_AEAD, 1337 .algorithm_ssl = SSL_TLSV1_2, 1338 .algo_strength = SSL_HIGH, 1339 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1340 FIXED_NONCE_LEN(12), 1341 .strength_bits = 256, 1342 .alg_bits = 256, 1343 }, 1344 1345 /* Cipher CCAA */ 1346 { 1347 .valid = 1, 1348 .name = TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305, 1349 .id = TLS1_CK_DHE_RSA_CHACHA20_POLY1305, 1350 .algorithm_mkey = SSL_kDHE, 1351 .algorithm_auth = SSL_aRSA, 1352 .algorithm_enc = SSL_CHACHA20POLY1305, 1353 .algorithm_mac = SSL_AEAD, 1354 .algorithm_ssl = SSL_TLSV1_2, 1355 .algo_strength = SSL_HIGH, 1356 .algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256| 1357 FIXED_NONCE_LEN(12), 1358 .strength_bits = 256, 1359 .alg_bits = 256, 1360 }, 1361 1362 /* Cipher FF85 FIXME IANA */ 1363 { 1364 .valid = 1, 1365 .name = "GOST2012256-GOST89-GOST89", 1366 .id = 0x300ff85, /* FIXME IANA */ 1367 .algorithm_mkey = SSL_kGOST, 1368 .algorithm_auth = SSL_aGOST01, 1369 .algorithm_enc = SSL_eGOST2814789CNT, 1370 .algorithm_mac = SSL_GOST89MAC, 1371 .algorithm_ssl = SSL_TLSV1, 1372 .algo_strength = SSL_HIGH, 1373 .algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256| 1374 TLS1_STREAM_MAC, 1375 .strength_bits = 256, 1376 .alg_bits = 256 1377 }, 1378 1379 /* Cipher FF87 FIXME IANA */ 1380 { 1381 .valid = 1, 1382 .name = "GOST2012256-NULL-STREEBOG256", 1383 .id = 0x300ff87, /* FIXME IANA */ 1384 .algorithm_mkey = SSL_kGOST, 1385 .algorithm_auth = SSL_aGOST01, 1386 .algorithm_enc = SSL_eNULL, 1387 .algorithm_mac = SSL_STREEBOG256, 1388 .algorithm_ssl = SSL_TLSV1, 1389 .algo_strength = SSL_STRONG_NONE, 1390 .algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256, 1391 .strength_bits = 0, 1392 .alg_bits = 0 1393 }, 1394 1395 1396 /* end of list */ 1397 }; 1398 1399 int 1400 ssl3_num_ciphers(void) 1401 { 1402 return (SSL3_NUM_CIPHERS); 1403 } 1404 1405 const SSL_CIPHER * 1406 ssl3_get_cipher(unsigned int u) 1407 { 1408 if (u < SSL3_NUM_CIPHERS) 1409 return (&(ssl3_ciphers[SSL3_NUM_CIPHERS - 1 - u])); 1410 else 1411 return (NULL); 1412 } 1413 1414 const SSL_CIPHER * 1415 ssl3_get_cipher_by_id(unsigned int id) 1416 { 1417 const SSL_CIPHER *cp; 1418 SSL_CIPHER c; 1419 1420 c.id = id; 1421 cp = OBJ_bsearch_ssl_cipher_id(&c, ssl3_ciphers, SSL3_NUM_CIPHERS); 1422 if (cp != NULL && cp->valid == 1) 1423 return (cp); 1424 1425 return (NULL); 1426 } 1427 1428 const SSL_CIPHER * 1429 ssl3_get_cipher_by_value(uint16_t value) 1430 { 1431 return ssl3_get_cipher_by_id(SSL3_CK_ID | value); 1432 } 1433 1434 uint16_t 1435 ssl3_cipher_get_value(const SSL_CIPHER *c) 1436 { 1437 return (c->id & SSL3_CK_VALUE_MASK); 1438 } 1439 1440 int 1441 ssl3_pending(const SSL *s) 1442 { 1443 if (s->internal->rstate == SSL_ST_READ_BODY) 1444 return 0; 1445 1446 return (S3I(s)->rrec.type == SSL3_RT_APPLICATION_DATA) ? 1447 S3I(s)->rrec.length : 0; 1448 } 1449 1450 int 1451 ssl3_handshake_msg_hdr_len(SSL *s) 1452 { 1453 return (SSL_is_dtls(s) ? DTLS1_HM_HEADER_LENGTH : 1454 SSL3_HM_HEADER_LENGTH); 1455 } 1456 1457 int 1458 ssl3_handshake_msg_start(SSL *s, CBB *handshake, CBB *body, uint8_t msg_type) 1459 { 1460 int ret = 0; 1461 1462 if (!CBB_init(handshake, SSL3_RT_MAX_PLAIN_LENGTH)) 1463 goto err; 1464 if (!CBB_add_u8(handshake, msg_type)) 1465 goto err; 1466 if (SSL_is_dtls(s)) { 1467 unsigned char *data; 1468 1469 if (!CBB_add_space(handshake, &data, DTLS1_HM_HEADER_LENGTH - 1470 SSL3_HM_HEADER_LENGTH)) 1471 goto err; 1472 } 1473 if (!CBB_add_u24_length_prefixed(handshake, body)) 1474 goto err; 1475 1476 ret = 1; 1477 1478 err: 1479 return (ret); 1480 } 1481 1482 int 1483 ssl3_handshake_msg_finish(SSL *s, CBB *handshake) 1484 { 1485 unsigned char *data = NULL; 1486 size_t outlen; 1487 int ret = 0; 1488 1489 if (!CBB_finish(handshake, &data, &outlen)) 1490 goto err; 1491 1492 if (outlen > INT_MAX) 1493 goto err; 1494 1495 if (!BUF_MEM_grow_clean(s->internal->init_buf, outlen)) 1496 goto err; 1497 1498 memcpy(s->internal->init_buf->data, data, outlen); 1499 1500 s->internal->init_num = (int)outlen; 1501 s->internal->init_off = 0; 1502 1503 if (SSL_is_dtls(s)) { 1504 unsigned long len; 1505 uint8_t msg_type; 1506 CBS cbs; 1507 1508 CBS_init(&cbs, data, outlen); 1509 if (!CBS_get_u8(&cbs, &msg_type)) 1510 goto err; 1511 1512 len = outlen - ssl3_handshake_msg_hdr_len(s); 1513 1514 dtls1_set_message_header(s, msg_type, len, 0, len); 1515 dtls1_buffer_message(s, 0); 1516 } 1517 1518 ret = 1; 1519 1520 err: 1521 free(data); 1522 1523 return (ret); 1524 } 1525 1526 int 1527 ssl3_handshake_write(SSL *s) 1528 { 1529 return ssl3_record_write(s, SSL3_RT_HANDSHAKE); 1530 } 1531 1532 int 1533 ssl3_record_write(SSL *s, int type) 1534 { 1535 if (SSL_is_dtls(s)) 1536 return dtls1_do_write(s, type); 1537 1538 return ssl3_do_write(s, type); 1539 } 1540 1541 int 1542 ssl3_new(SSL *s) 1543 { 1544 if ((s->s3 = calloc(1, sizeof(*s->s3))) == NULL) 1545 return (0); 1546 if ((S3I(s) = calloc(1, sizeof(*S3I(s)))) == NULL) { 1547 free(s->s3); 1548 return (0); 1549 } 1550 1551 s->method->ssl_clear(s); 1552 1553 return (1); 1554 } 1555 1556 void 1557 ssl3_free(SSL *s) 1558 { 1559 if (s == NULL) 1560 return; 1561 1562 tls1_cleanup_key_block(s); 1563 ssl3_release_read_buffer(s); 1564 ssl3_release_write_buffer(s); 1565 freezero(S3I(s)->hs.sigalgs, S3I(s)->hs.sigalgs_len); 1566 1567 DH_free(S3I(s)->tmp.dh); 1568 EC_KEY_free(S3I(s)->tmp.ecdh); 1569 freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH); 1570 1571 tls13_key_share_free(S3I(s)->hs.tls13.key_share); 1572 tls13_secrets_destroy(S3I(s)->hs.tls13.secrets); 1573 freezero(S3I(s)->hs.tls13.cookie, S3I(s)->hs.tls13.cookie_len); 1574 tls13_clienthello_hash_clear(&S3I(s)->hs.tls13); 1575 1576 sk_X509_NAME_pop_free(S3I(s)->hs.tls12.ca_names, X509_NAME_free); 1577 1578 tls1_transcript_free(s); 1579 tls1_transcript_hash_free(s); 1580 1581 free(S3I(s)->alpn_selected); 1582 1583 freezero(S3I(s), sizeof(*S3I(s))); 1584 freezero(s->s3, sizeof(*s->s3)); 1585 1586 s->s3 = NULL; 1587 } 1588 1589 void 1590 ssl3_clear(SSL *s) 1591 { 1592 struct ssl3_state_internal_st *internal; 1593 unsigned char *rp, *wp; 1594 size_t rlen, wlen; 1595 1596 tls1_cleanup_key_block(s); 1597 sk_X509_NAME_pop_free(S3I(s)->hs.tls12.ca_names, X509_NAME_free); 1598 1599 DH_free(S3I(s)->tmp.dh); 1600 S3I(s)->tmp.dh = NULL; 1601 EC_KEY_free(S3I(s)->tmp.ecdh); 1602 S3I(s)->tmp.ecdh = NULL; 1603 S3I(s)->tmp.ecdh_nid = NID_undef; 1604 freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH); 1605 S3I(s)->tmp.x25519 = NULL; 1606 1607 freezero(S3I(s)->hs.sigalgs, S3I(s)->hs.sigalgs_len); 1608 S3I(s)->hs.sigalgs = NULL; 1609 S3I(s)->hs.sigalgs_len = 0; 1610 1611 tls13_key_share_free(S3I(s)->hs.tls13.key_share); 1612 S3I(s)->hs.tls13.key_share = NULL; 1613 1614 tls13_secrets_destroy(S3I(s)->hs.tls13.secrets); 1615 S3I(s)->hs.tls13.secrets = NULL; 1616 freezero(S3I(s)->hs.tls13.cookie, S3I(s)->hs.tls13.cookie_len); 1617 S3I(s)->hs.tls13.cookie = NULL; 1618 S3I(s)->hs.tls13.cookie_len = 0; 1619 tls13_clienthello_hash_clear(&S3I(s)->hs.tls13); 1620 1621 S3I(s)->hs.extensions_seen = 0; 1622 1623 rp = S3I(s)->rbuf.buf; 1624 wp = S3I(s)->wbuf.buf; 1625 rlen = S3I(s)->rbuf.len; 1626 wlen = S3I(s)->wbuf.len; 1627 1628 tls1_transcript_free(s); 1629 tls1_transcript_hash_free(s); 1630 1631 free(S3I(s)->alpn_selected); 1632 S3I(s)->alpn_selected = NULL; 1633 S3I(s)->alpn_selected_len = 0; 1634 1635 memset(S3I(s), 0, sizeof(*S3I(s))); 1636 internal = S3I(s); 1637 memset(s->s3, 0, sizeof(*s->s3)); 1638 S3I(s) = internal; 1639 1640 S3I(s)->rbuf.buf = rp; 1641 S3I(s)->wbuf.buf = wp; 1642 S3I(s)->rbuf.len = rlen; 1643 S3I(s)->wbuf.len = wlen; 1644 1645 ssl_free_wbio_buffer(s); 1646 1647 /* Not needed... */ 1648 S3I(s)->renegotiate = 0; 1649 S3I(s)->total_renegotiations = 0; 1650 S3I(s)->num_renegotiations = 0; 1651 S3I(s)->in_read_app_data = 0; 1652 1653 s->internal->packet_length = 0; 1654 s->version = TLS1_VERSION; 1655 1656 S3I(s)->hs.state = SSL_ST_BEFORE|((s->server) ? SSL_ST_ACCEPT : SSL_ST_CONNECT); 1657 } 1658 1659 long 1660 _SSL_get_peer_tmp_key(SSL *s, EVP_PKEY **key) 1661 { 1662 EVP_PKEY *pkey = NULL; 1663 SESS_CERT *sc; 1664 int ret = 0; 1665 1666 *key = NULL; 1667 1668 if (s->session == NULL || SSI(s)->sess_cert == NULL) 1669 return 0; 1670 1671 sc = SSI(s)->sess_cert; 1672 1673 if ((pkey = EVP_PKEY_new()) == NULL) 1674 return 0; 1675 1676 if (sc->peer_dh_tmp != NULL) { 1677 if (!EVP_PKEY_set1_DH(pkey, sc->peer_dh_tmp)) 1678 goto err; 1679 } else if (sc->peer_ecdh_tmp) { 1680 if (!EVP_PKEY_set1_EC_KEY(pkey, sc->peer_ecdh_tmp)) 1681 goto err; 1682 } else if (sc->peer_x25519_tmp != NULL) { 1683 if (!ssl_kex_dummy_ecdhe_x25519(pkey)) 1684 goto err; 1685 } else if (S3I(s)->hs.tls13.key_share != NULL) { 1686 if (!tls13_key_share_peer_pkey(S3I(s)->hs.tls13.key_share, 1687 pkey)) 1688 goto err; 1689 } else { 1690 goto err; 1691 } 1692 1693 *key = pkey; 1694 pkey = NULL; 1695 1696 ret = 1; 1697 1698 err: 1699 EVP_PKEY_free(pkey); 1700 1701 return (ret); 1702 } 1703 1704 static int 1705 _SSL_session_reused(SSL *s) 1706 { 1707 return s->internal->hit; 1708 } 1709 1710 static int 1711 _SSL_num_renegotiations(SSL *s) 1712 { 1713 return S3I(s)->num_renegotiations; 1714 } 1715 1716 static int 1717 _SSL_clear_num_renegotiations(SSL *s) 1718 { 1719 int renegs; 1720 1721 renegs = S3I(s)->num_renegotiations; 1722 S3I(s)->num_renegotiations = 0; 1723 1724 return renegs; 1725 } 1726 1727 static int 1728 _SSL_total_renegotiations(SSL *s) 1729 { 1730 return S3I(s)->total_renegotiations; 1731 } 1732 1733 static int 1734 _SSL_set_tmp_dh(SSL *s, DH *dh) 1735 { 1736 DH *dh_tmp; 1737 1738 if (dh == NULL) { 1739 SSLerror(s, ERR_R_PASSED_NULL_PARAMETER); 1740 return 0; 1741 } 1742 1743 if ((dh_tmp = DHparams_dup(dh)) == NULL) { 1744 SSLerror(s, ERR_R_DH_LIB); 1745 return 0; 1746 } 1747 1748 DH_free(s->cert->dh_tmp); 1749 s->cert->dh_tmp = dh_tmp; 1750 1751 return 1; 1752 } 1753 1754 static int 1755 _SSL_set_dh_auto(SSL *s, int state) 1756 { 1757 s->cert->dh_tmp_auto = state; 1758 return 1; 1759 } 1760 1761 static int 1762 _SSL_set_tmp_ecdh(SSL *s, EC_KEY *ecdh) 1763 { 1764 const EC_GROUP *group; 1765 int nid; 1766 1767 if (ecdh == NULL) 1768 return 0; 1769 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 1770 return 0; 1771 1772 nid = EC_GROUP_get_curve_name(group); 1773 return SSL_set1_groups(s, &nid, 1); 1774 } 1775 1776 static int 1777 _SSL_set_ecdh_auto(SSL *s, int state) 1778 { 1779 return 1; 1780 } 1781 1782 static int 1783 _SSL_set_tlsext_host_name(SSL *s, const char *name) 1784 { 1785 free(s->tlsext_hostname); 1786 s->tlsext_hostname = NULL; 1787 1788 if (name == NULL) 1789 return 1; 1790 1791 if (strlen(name) > TLSEXT_MAXLEN_host_name) { 1792 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME); 1793 return 0; 1794 } 1795 1796 if ((s->tlsext_hostname = strdup(name)) == NULL) { 1797 SSLerror(s, ERR_R_INTERNAL_ERROR); 1798 return 0; 1799 } 1800 1801 return 1; 1802 } 1803 1804 static int 1805 _SSL_set_tlsext_debug_arg(SSL *s, void *arg) 1806 { 1807 s->internal->tlsext_debug_arg = arg; 1808 return 1; 1809 } 1810 1811 static int 1812 _SSL_get_tlsext_status_type(SSL *s) 1813 { 1814 return s->tlsext_status_type; 1815 } 1816 1817 static int 1818 _SSL_set_tlsext_status_type(SSL *s, int type) 1819 { 1820 s->tlsext_status_type = type; 1821 return 1; 1822 } 1823 1824 static int 1825 _SSL_get_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) **exts) 1826 { 1827 *exts = s->internal->tlsext_ocsp_exts; 1828 return 1; 1829 } 1830 1831 static int 1832 _SSL_set_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) *exts) 1833 { 1834 /* XXX - leak... */ 1835 s->internal->tlsext_ocsp_exts = exts; 1836 return 1; 1837 } 1838 1839 static int 1840 _SSL_get_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) **ids) 1841 { 1842 *ids = s->internal->tlsext_ocsp_ids; 1843 return 1; 1844 } 1845 1846 static int 1847 _SSL_set_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) *ids) 1848 { 1849 /* XXX - leak... */ 1850 s->internal->tlsext_ocsp_ids = ids; 1851 return 1; 1852 } 1853 1854 static int 1855 _SSL_get_tlsext_status_ocsp_resp(SSL *s, unsigned char **resp) 1856 { 1857 if (s->internal->tlsext_ocsp_resp != NULL && 1858 s->internal->tlsext_ocsp_resp_len < INT_MAX) { 1859 *resp = s->internal->tlsext_ocsp_resp; 1860 return (int)s->internal->tlsext_ocsp_resp_len; 1861 } 1862 1863 *resp = NULL; 1864 1865 return -1; 1866 } 1867 1868 static int 1869 _SSL_set_tlsext_status_ocsp_resp(SSL *s, unsigned char *resp, int resp_len) 1870 { 1871 free(s->internal->tlsext_ocsp_resp); 1872 s->internal->tlsext_ocsp_resp = NULL; 1873 s->internal->tlsext_ocsp_resp_len = 0; 1874 1875 if (resp_len < 0) 1876 return 0; 1877 1878 s->internal->tlsext_ocsp_resp = resp; 1879 s->internal->tlsext_ocsp_resp_len = (size_t)resp_len; 1880 1881 return 1; 1882 } 1883 1884 int 1885 SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain) 1886 { 1887 return ssl_cert_set0_chain(ssl->cert, chain); 1888 } 1889 1890 int 1891 SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain) 1892 { 1893 return ssl_cert_set1_chain(ssl->cert, chain); 1894 } 1895 1896 int 1897 SSL_add0_chain_cert(SSL *ssl, X509 *x509) 1898 { 1899 return ssl_cert_add0_chain_cert(ssl->cert, x509); 1900 } 1901 1902 int 1903 SSL_add1_chain_cert(SSL *ssl, X509 *x509) 1904 { 1905 return ssl_cert_add1_chain_cert(ssl->cert, x509); 1906 } 1907 1908 int 1909 SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain) 1910 { 1911 *out_chain = NULL; 1912 1913 if (ssl->cert->key != NULL) 1914 *out_chain = ssl->cert->key->chain; 1915 1916 return 1; 1917 } 1918 1919 int 1920 SSL_clear_chain_certs(SSL *ssl) 1921 { 1922 return ssl_cert_set0_chain(ssl->cert, NULL); 1923 } 1924 1925 int 1926 SSL_set1_groups(SSL *s, const int *groups, size_t groups_len) 1927 { 1928 return tls1_set_groups(&s->internal->tlsext_supportedgroups, 1929 &s->internal->tlsext_supportedgroups_length, groups, groups_len); 1930 } 1931 1932 int 1933 SSL_set1_groups_list(SSL *s, const char *groups) 1934 { 1935 return tls1_set_group_list(&s->internal->tlsext_supportedgroups, 1936 &s->internal->tlsext_supportedgroups_length, groups); 1937 } 1938 1939 static int 1940 _SSL_get_signature_nid(SSL *s, int *nid) 1941 { 1942 const struct ssl_sigalg *sigalg; 1943 1944 if ((sigalg = S3I(s)->hs.our_sigalg) == NULL) 1945 return 0; 1946 1947 *nid = EVP_MD_type(sigalg->md()); 1948 1949 return 1; 1950 } 1951 1952 static int 1953 _SSL_get_peer_signature_nid(SSL *s, int *nid) 1954 { 1955 const struct ssl_sigalg *sigalg; 1956 1957 if ((sigalg = S3I(s)->hs.peer_sigalg) == NULL) 1958 return 0; 1959 1960 *nid = EVP_MD_type(sigalg->md()); 1961 1962 return 1; 1963 } 1964 1965 int 1966 SSL_get_signature_type_nid(const SSL *s, int *nid) 1967 { 1968 const struct ssl_sigalg *sigalg; 1969 1970 if ((sigalg = S3I(s)->hs.our_sigalg) == NULL) 1971 return 0; 1972 1973 *nid = sigalg->key_type; 1974 if (sigalg->key_type == EVP_PKEY_RSA && 1975 (sigalg->flags & SIGALG_FLAG_RSA_PSS)) 1976 *nid = EVP_PKEY_RSA_PSS; 1977 1978 return 1; 1979 } 1980 1981 int 1982 SSL_get_peer_signature_type_nid(const SSL *s, int *nid) 1983 { 1984 const struct ssl_sigalg *sigalg; 1985 1986 if ((sigalg = S3I(s)->hs.peer_sigalg) == NULL) 1987 return 0; 1988 1989 *nid = sigalg->key_type; 1990 if (sigalg->key_type == EVP_PKEY_RSA && 1991 (sigalg->flags & SIGALG_FLAG_RSA_PSS)) 1992 *nid = EVP_PKEY_RSA_PSS; 1993 1994 return 1; 1995 } 1996 1997 long 1998 ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) 1999 { 2000 switch (cmd) { 2001 case SSL_CTRL_GET_SESSION_REUSED: 2002 return _SSL_session_reused(s); 2003 2004 case SSL_CTRL_GET_NUM_RENEGOTIATIONS: 2005 return _SSL_num_renegotiations(s); 2006 2007 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS: 2008 return _SSL_clear_num_renegotiations(s); 2009 2010 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS: 2011 return _SSL_total_renegotiations(s); 2012 2013 case SSL_CTRL_SET_TMP_DH: 2014 return _SSL_set_tmp_dh(s, parg); 2015 2016 case SSL_CTRL_SET_TMP_DH_CB: 2017 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2018 return 0; 2019 2020 case SSL_CTRL_SET_DH_AUTO: 2021 return _SSL_set_dh_auto(s, larg); 2022 2023 case SSL_CTRL_SET_TMP_ECDH: 2024 return _SSL_set_tmp_ecdh(s, parg); 2025 2026 case SSL_CTRL_SET_TMP_ECDH_CB: 2027 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2028 return 0; 2029 2030 case SSL_CTRL_SET_ECDH_AUTO: 2031 return _SSL_set_ecdh_auto(s, larg); 2032 2033 case SSL_CTRL_SET_TLSEXT_HOSTNAME: 2034 if (larg != TLSEXT_NAMETYPE_host_name) { 2035 SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE); 2036 return 0; 2037 } 2038 return _SSL_set_tlsext_host_name(s, parg); 2039 2040 case SSL_CTRL_SET_TLSEXT_DEBUG_ARG: 2041 return _SSL_set_tlsext_debug_arg(s, parg); 2042 2043 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE: 2044 return _SSL_get_tlsext_status_type(s); 2045 2046 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE: 2047 return _SSL_set_tlsext_status_type(s, larg); 2048 2049 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS: 2050 return _SSL_get_tlsext_status_exts(s, parg); 2051 2052 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS: 2053 return _SSL_set_tlsext_status_exts(s, parg); 2054 2055 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS: 2056 return _SSL_get_tlsext_status_ids(s, parg); 2057 2058 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS: 2059 return _SSL_set_tlsext_status_ids(s, parg); 2060 2061 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP: 2062 return _SSL_get_tlsext_status_ocsp_resp(s, parg); 2063 2064 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP: 2065 return _SSL_set_tlsext_status_ocsp_resp(s, parg, larg); 2066 2067 case SSL_CTRL_CHAIN: 2068 if (larg == 0) 2069 return SSL_set0_chain(s, (STACK_OF(X509) *)parg); 2070 else 2071 return SSL_set1_chain(s, (STACK_OF(X509) *)parg); 2072 2073 case SSL_CTRL_CHAIN_CERT: 2074 if (larg == 0) 2075 return SSL_add0_chain_cert(s, (X509 *)parg); 2076 else 2077 return SSL_add1_chain_cert(s, (X509 *)parg); 2078 2079 case SSL_CTRL_GET_CHAIN_CERTS: 2080 return SSL_get0_chain_certs(s, (STACK_OF(X509) **)parg); 2081 2082 case SSL_CTRL_SET_GROUPS: 2083 return SSL_set1_groups(s, parg, larg); 2084 2085 case SSL_CTRL_SET_GROUPS_LIST: 2086 return SSL_set1_groups_list(s, parg); 2087 2088 /* XXX - rename to SSL_CTRL_GET_PEER_TMP_KEY and remove server check. */ 2089 case SSL_CTRL_GET_SERVER_TMP_KEY: 2090 if (s->server != 0) 2091 return 0; 2092 return _SSL_get_peer_tmp_key(s, parg); 2093 2094 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2095 return SSL_get_min_proto_version(s); 2096 2097 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2098 return SSL_get_max_proto_version(s); 2099 2100 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2101 if (larg < 0 || larg > UINT16_MAX) 2102 return 0; 2103 return SSL_set_min_proto_version(s, larg); 2104 2105 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2106 if (larg < 0 || larg > UINT16_MAX) 2107 return 0; 2108 return SSL_set_max_proto_version(s, larg); 2109 2110 case SSL_CTRL_GET_SIGNATURE_NID: 2111 return _SSL_get_signature_nid(s, parg); 2112 2113 case SSL_CTRL_GET_PEER_SIGNATURE_NID: 2114 return _SSL_get_peer_signature_nid(s, parg); 2115 2116 /* 2117 * Legacy controls that should eventually be removed. 2118 */ 2119 case SSL_CTRL_GET_CLIENT_CERT_REQUEST: 2120 return 0; 2121 2122 case SSL_CTRL_GET_FLAGS: 2123 return (int)(s->s3->flags); 2124 2125 case SSL_CTRL_NEED_TMP_RSA: 2126 return 0; 2127 2128 case SSL_CTRL_SET_TMP_RSA: 2129 case SSL_CTRL_SET_TMP_RSA_CB: 2130 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2131 return 0; 2132 } 2133 2134 return 0; 2135 } 2136 2137 long 2138 ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) 2139 { 2140 switch (cmd) { 2141 case SSL_CTRL_SET_TMP_RSA_CB: 2142 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2143 return 0; 2144 2145 case SSL_CTRL_SET_TMP_DH_CB: 2146 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp; 2147 return 1; 2148 2149 case SSL_CTRL_SET_TMP_ECDH_CB: 2150 return 1; 2151 2152 case SSL_CTRL_SET_TLSEXT_DEBUG_CB: 2153 s->internal->tlsext_debug_cb = (void (*)(SSL *, int , int, 2154 unsigned char *, int, void *))fp; 2155 return 1; 2156 } 2157 2158 return 0; 2159 } 2160 2161 static int 2162 _SSL_CTX_set_tmp_dh(SSL_CTX *ctx, DH *dh) 2163 { 2164 DH *dh_tmp; 2165 2166 if ((dh_tmp = DHparams_dup(dh)) == NULL) { 2167 SSLerrorx(ERR_R_DH_LIB); 2168 return 0; 2169 } 2170 2171 DH_free(ctx->internal->cert->dh_tmp); 2172 ctx->internal->cert->dh_tmp = dh_tmp; 2173 2174 return 1; 2175 } 2176 2177 static int 2178 _SSL_CTX_set_dh_auto(SSL_CTX *ctx, int state) 2179 { 2180 ctx->internal->cert->dh_tmp_auto = state; 2181 return 1; 2182 } 2183 2184 static int 2185 _SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, EC_KEY *ecdh) 2186 { 2187 const EC_GROUP *group; 2188 int nid; 2189 2190 if (ecdh == NULL) 2191 return 0; 2192 if ((group = EC_KEY_get0_group(ecdh)) == NULL) 2193 return 0; 2194 2195 nid = EC_GROUP_get_curve_name(group); 2196 return SSL_CTX_set1_groups(ctx, &nid, 1); 2197 } 2198 2199 static int 2200 _SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state) 2201 { 2202 return 1; 2203 } 2204 2205 static int 2206 _SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) 2207 { 2208 ctx->internal->tlsext_servername_arg = arg; 2209 return 1; 2210 } 2211 2212 static int 2213 _SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2214 { 2215 if (keys == NULL) 2216 return 48; 2217 2218 if (keys_len != 48) { 2219 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2220 return 0; 2221 } 2222 2223 memcpy(keys, ctx->internal->tlsext_tick_key_name, 16); 2224 memcpy(keys + 16, ctx->internal->tlsext_tick_hmac_key, 16); 2225 memcpy(keys + 32, ctx->internal->tlsext_tick_aes_key, 16); 2226 2227 return 1; 2228 } 2229 2230 static int 2231 _SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len) 2232 { 2233 if (keys == NULL) 2234 return 48; 2235 2236 if (keys_len != 48) { 2237 SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH); 2238 return 0; 2239 } 2240 2241 memcpy(ctx->internal->tlsext_tick_key_name, keys, 16); 2242 memcpy(ctx->internal->tlsext_tick_hmac_key, keys + 16, 16); 2243 memcpy(ctx->internal->tlsext_tick_aes_key, keys + 32, 16); 2244 2245 return 1; 2246 } 2247 2248 static int 2249 _SSL_CTX_get_tlsext_status_arg(SSL_CTX *ctx, void **arg) 2250 { 2251 *arg = ctx->internal->tlsext_status_arg; 2252 return 1; 2253 } 2254 2255 static int 2256 _SSL_CTX_set_tlsext_status_arg(SSL_CTX *ctx, void *arg) 2257 { 2258 ctx->internal->tlsext_status_arg = arg; 2259 return 1; 2260 } 2261 2262 int 2263 SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) 2264 { 2265 return ssl_cert_set0_chain(ctx->internal->cert, chain); 2266 } 2267 2268 int 2269 SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) 2270 { 2271 return ssl_cert_set1_chain(ctx->internal->cert, chain); 2272 } 2273 2274 int 2275 SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509) 2276 { 2277 return ssl_cert_add0_chain_cert(ctx->internal->cert, x509); 2278 } 2279 2280 int 2281 SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509) 2282 { 2283 return ssl_cert_add1_chain_cert(ctx->internal->cert, x509); 2284 } 2285 2286 int 2287 SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain) 2288 { 2289 *out_chain = NULL; 2290 2291 if (ctx->internal->cert->key != NULL) 2292 *out_chain = ctx->internal->cert->key->chain; 2293 2294 return 1; 2295 } 2296 2297 int 2298 SSL_CTX_clear_chain_certs(SSL_CTX *ctx) 2299 { 2300 return ssl_cert_set0_chain(ctx->internal->cert, NULL); 2301 } 2302 2303 static int 2304 _SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *cert) 2305 { 2306 if (ctx->extra_certs == NULL) { 2307 if ((ctx->extra_certs = sk_X509_new_null()) == NULL) 2308 return 0; 2309 } 2310 if (sk_X509_push(ctx->extra_certs, cert) == 0) 2311 return 0; 2312 2313 return 1; 2314 } 2315 2316 static int 2317 _SSL_CTX_get_extra_chain_certs(SSL_CTX *ctx, STACK_OF(X509) **certs) 2318 { 2319 *certs = ctx->extra_certs; 2320 if (*certs == NULL) 2321 *certs = ctx->internal->cert->key->chain; 2322 2323 return 1; 2324 } 2325 2326 static int 2327 _SSL_CTX_get_extra_chain_certs_only(SSL_CTX *ctx, STACK_OF(X509) **certs) 2328 { 2329 *certs = ctx->extra_certs; 2330 return 1; 2331 } 2332 2333 static int 2334 _SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx) 2335 { 2336 sk_X509_pop_free(ctx->extra_certs, X509_free); 2337 ctx->extra_certs = NULL; 2338 return 1; 2339 } 2340 2341 int 2342 SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len) 2343 { 2344 return tls1_set_groups(&ctx->internal->tlsext_supportedgroups, 2345 &ctx->internal->tlsext_supportedgroups_length, groups, groups_len); 2346 } 2347 2348 int 2349 SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups) 2350 { 2351 return tls1_set_group_list(&ctx->internal->tlsext_supportedgroups, 2352 &ctx->internal->tlsext_supportedgroups_length, groups); 2353 } 2354 2355 long 2356 ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) 2357 { 2358 switch (cmd) { 2359 case SSL_CTRL_SET_TMP_DH: 2360 return _SSL_CTX_set_tmp_dh(ctx, parg); 2361 2362 case SSL_CTRL_SET_TMP_DH_CB: 2363 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2364 return 0; 2365 2366 case SSL_CTRL_SET_DH_AUTO: 2367 return _SSL_CTX_set_dh_auto(ctx, larg); 2368 2369 case SSL_CTRL_SET_TMP_ECDH: 2370 return _SSL_CTX_set_tmp_ecdh(ctx, parg); 2371 2372 case SSL_CTRL_SET_TMP_ECDH_CB: 2373 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2374 return 0; 2375 2376 case SSL_CTRL_SET_ECDH_AUTO: 2377 return _SSL_CTX_set_ecdh_auto(ctx, larg); 2378 2379 case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG: 2380 return _SSL_CTX_set_tlsext_servername_arg(ctx, parg); 2381 2382 case SSL_CTRL_GET_TLSEXT_TICKET_KEYS: 2383 return _SSL_CTX_get_tlsext_ticket_keys(ctx, parg, larg); 2384 2385 case SSL_CTRL_SET_TLSEXT_TICKET_KEYS: 2386 return _SSL_CTX_set_tlsext_ticket_keys(ctx, parg, larg); 2387 2388 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG: 2389 return _SSL_CTX_get_tlsext_status_arg(ctx, parg); 2390 2391 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG: 2392 return _SSL_CTX_set_tlsext_status_arg(ctx, parg); 2393 2394 case SSL_CTRL_CHAIN: 2395 if (larg == 0) 2396 return SSL_CTX_set0_chain(ctx, (STACK_OF(X509) *)parg); 2397 else 2398 return SSL_CTX_set1_chain(ctx, (STACK_OF(X509) *)parg); 2399 2400 case SSL_CTRL_CHAIN_CERT: 2401 if (larg == 0) 2402 return SSL_CTX_add0_chain_cert(ctx, (X509 *)parg); 2403 else 2404 return SSL_CTX_add1_chain_cert(ctx, (X509 *)parg); 2405 2406 case SSL_CTRL_GET_CHAIN_CERTS: 2407 return SSL_CTX_get0_chain_certs(ctx, (STACK_OF(X509) **)parg); 2408 2409 case SSL_CTRL_EXTRA_CHAIN_CERT: 2410 return _SSL_CTX_add_extra_chain_cert(ctx, parg); 2411 2412 case SSL_CTRL_GET_EXTRA_CHAIN_CERTS: 2413 if (larg == 0) 2414 return _SSL_CTX_get_extra_chain_certs(ctx, parg); 2415 else 2416 return _SSL_CTX_get_extra_chain_certs_only(ctx, parg); 2417 2418 case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS: 2419 return _SSL_CTX_clear_extra_chain_certs(ctx); 2420 2421 case SSL_CTRL_SET_GROUPS: 2422 return SSL_CTX_set1_groups(ctx, parg, larg); 2423 2424 case SSL_CTRL_SET_GROUPS_LIST: 2425 return SSL_CTX_set1_groups_list(ctx, parg); 2426 2427 case SSL_CTRL_GET_MIN_PROTO_VERSION: 2428 return SSL_CTX_get_min_proto_version(ctx); 2429 2430 case SSL_CTRL_GET_MAX_PROTO_VERSION: 2431 return SSL_CTX_get_max_proto_version(ctx); 2432 2433 case SSL_CTRL_SET_MIN_PROTO_VERSION: 2434 if (larg < 0 || larg > UINT16_MAX) 2435 return 0; 2436 return SSL_CTX_set_min_proto_version(ctx, larg); 2437 2438 case SSL_CTRL_SET_MAX_PROTO_VERSION: 2439 if (larg < 0 || larg > UINT16_MAX) 2440 return 0; 2441 return SSL_CTX_set_max_proto_version(ctx, larg); 2442 2443 /* 2444 * Legacy controls that should eventually be removed. 2445 */ 2446 case SSL_CTRL_NEED_TMP_RSA: 2447 return 0; 2448 2449 case SSL_CTRL_SET_TMP_RSA: 2450 case SSL_CTRL_SET_TMP_RSA_CB: 2451 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2452 return 0; 2453 } 2454 2455 return 0; 2456 } 2457 2458 long 2459 ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) 2460 { 2461 switch (cmd) { 2462 case SSL_CTRL_SET_TMP_RSA_CB: 2463 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 2464 return 0; 2465 2466 case SSL_CTRL_SET_TMP_DH_CB: 2467 ctx->internal->cert->dh_tmp_cb = 2468 (DH *(*)(SSL *, int, int))fp; 2469 return 1; 2470 2471 case SSL_CTRL_SET_TMP_ECDH_CB: 2472 return 1; 2473 2474 case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB: 2475 ctx->internal->tlsext_servername_callback = 2476 (int (*)(SSL *, int *, void *))fp; 2477 return 1; 2478 2479 case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB: 2480 *(int (**)(SSL *, void *))fp = ctx->internal->tlsext_status_cb; 2481 return 1; 2482 2483 case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB: 2484 ctx->internal->tlsext_status_cb = (int (*)(SSL *, void *))fp; 2485 return 1; 2486 2487 case SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB: 2488 ctx->internal->tlsext_ticket_key_cb = (int (*)(SSL *, unsigned char *, 2489 unsigned char *, EVP_CIPHER_CTX *, HMAC_CTX *, int))fp; 2490 return 1; 2491 } 2492 2493 return 0; 2494 } 2495 2496 SSL_CIPHER * 2497 ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, 2498 STACK_OF(SSL_CIPHER) *srvr) 2499 { 2500 unsigned long alg_k, alg_a, mask_k, mask_a; 2501 STACK_OF(SSL_CIPHER) *prio, *allow; 2502 SSL_CIPHER *c, *ret = NULL; 2503 int can_use_ecc; 2504 int i, ii, ok; 2505 CERT *cert; 2506 2507 /* Let's see which ciphers we can support */ 2508 cert = s->cert; 2509 2510 can_use_ecc = (tls1_get_shared_curve(s) != NID_undef); 2511 2512 /* 2513 * Do not set the compare functions, because this may lead to a 2514 * reordering by "id". We want to keep the original ordering. 2515 * We may pay a price in performance during sk_SSL_CIPHER_find(), 2516 * but would have to pay with the price of sk_SSL_CIPHER_dup(). 2517 */ 2518 2519 if (s->internal->options & SSL_OP_CIPHER_SERVER_PREFERENCE) { 2520 prio = srvr; 2521 allow = clnt; 2522 } else { 2523 prio = clnt; 2524 allow = srvr; 2525 } 2526 2527 for (i = 0; i < sk_SSL_CIPHER_num(prio); i++) { 2528 c = sk_SSL_CIPHER_value(prio, i); 2529 2530 /* Skip TLS v1.2 only ciphersuites if not supported. */ 2531 if ((c->algorithm_ssl & SSL_TLSV1_2) && 2532 !SSL_USE_TLS1_2_CIPHERS(s)) 2533 continue; 2534 2535 /* Skip TLS v1.3 only ciphersuites if not supported. */ 2536 if ((c->algorithm_ssl & SSL_TLSV1_3) && 2537 !SSL_USE_TLS1_3_CIPHERS(s)) 2538 continue; 2539 2540 /* If TLS v1.3, only allow TLS v1.3 ciphersuites. */ 2541 if (SSL_USE_TLS1_3_CIPHERS(s) && 2542 !(c->algorithm_ssl & SSL_TLSV1_3)) 2543 continue; 2544 2545 ssl_set_cert_masks(cert, c); 2546 mask_k = cert->mask_k; 2547 mask_a = cert->mask_a; 2548 2549 alg_k = c->algorithm_mkey; 2550 alg_a = c->algorithm_auth; 2551 2552 ok = (alg_k & mask_k) && (alg_a & mask_a); 2553 2554 /* 2555 * If we are considering an ECC cipher suite that uses our 2556 * certificate check it. 2557 */ 2558 if (alg_a & SSL_aECDSA) 2559 ok = ok && tls1_check_ec_server_key(s); 2560 /* 2561 * If we are considering an ECC cipher suite that uses 2562 * an ephemeral EC key check it. 2563 */ 2564 if (alg_k & SSL_kECDHE) 2565 ok = ok && can_use_ecc; 2566 2567 if (!ok) 2568 continue; 2569 ii = sk_SSL_CIPHER_find(allow, c); 2570 if (ii >= 0) { 2571 ret = sk_SSL_CIPHER_value(allow, ii); 2572 break; 2573 } 2574 } 2575 return (ret); 2576 } 2577 2578 int 2579 ssl3_get_req_cert_types(SSL *s, CBB *cbb) 2580 { 2581 unsigned long alg_k; 2582 2583 alg_k = S3I(s)->hs.cipher->algorithm_mkey; 2584 2585 #ifndef OPENSSL_NO_GOST 2586 if ((alg_k & SSL_kGOST) != 0) { 2587 if (!CBB_add_u8(cbb, TLS_CT_GOST01_SIGN)) 2588 return 0; 2589 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN)) 2590 return 0; 2591 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN)) 2592 return 0; 2593 if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN_COMPAT)) 2594 return 0; 2595 if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN_COMPAT)) 2596 return 0; 2597 } 2598 #endif 2599 2600 if ((alg_k & SSL_kDHE) != 0) { 2601 if (!CBB_add_u8(cbb, SSL3_CT_RSA_FIXED_DH)) 2602 return 0; 2603 } 2604 2605 if (!CBB_add_u8(cbb, SSL3_CT_RSA_SIGN)) 2606 return 0; 2607 2608 /* 2609 * ECDSA certs can be used with RSA cipher suites as well 2610 * so we don't need to check for SSL_kECDH or SSL_kECDHE. 2611 */ 2612 if (!CBB_add_u8(cbb, TLS_CT_ECDSA_SIGN)) 2613 return 0; 2614 2615 return 1; 2616 } 2617 2618 int 2619 ssl3_shutdown(SSL *s) 2620 { 2621 int ret; 2622 2623 /* 2624 * Don't do anything much if we have not done the handshake or 2625 * we don't want to send messages :-) 2626 */ 2627 if ((s->internal->quiet_shutdown) || (S3I(s)->hs.state == SSL_ST_BEFORE)) { 2628 s->internal->shutdown = (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); 2629 return (1); 2630 } 2631 2632 if (!(s->internal->shutdown & SSL_SENT_SHUTDOWN)) { 2633 s->internal->shutdown|=SSL_SENT_SHUTDOWN; 2634 ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY); 2635 /* 2636 * Our shutdown alert has been sent now, and if it still needs 2637 * to be written, S3I(s)->alert_dispatch will be true 2638 */ 2639 if (S3I(s)->alert_dispatch) 2640 return(-1); /* return WANT_WRITE */ 2641 } else if (S3I(s)->alert_dispatch) { 2642 /* resend it if not sent */ 2643 ret = ssl3_dispatch_alert(s); 2644 if (ret == -1) { 2645 /* 2646 * We only get to return -1 here the 2nd/Nth 2647 * invocation, we must have already signalled 2648 * return 0 upon a previous invoation, 2649 * return WANT_WRITE 2650 */ 2651 return (ret); 2652 } 2653 } else if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2654 /* If we are waiting for a close from our peer, we are closed */ 2655 s->method->ssl_read_bytes(s, 0, NULL, 0, 0); 2656 if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) { 2657 return(-1); /* return WANT_READ */ 2658 } 2659 } 2660 2661 if ((s->internal->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) && 2662 !S3I(s)->alert_dispatch) 2663 return (1); 2664 else 2665 return (0); 2666 } 2667 2668 int 2669 ssl3_write(SSL *s, const void *buf, int len) 2670 { 2671 errno = 0; 2672 2673 if (S3I(s)->renegotiate) 2674 ssl3_renegotiate_check(s); 2675 2676 return s->method->ssl_write_bytes(s, SSL3_RT_APPLICATION_DATA, 2677 buf, len); 2678 } 2679 2680 static int 2681 ssl3_read_internal(SSL *s, void *buf, int len, int peek) 2682 { 2683 int ret; 2684 2685 errno = 0; 2686 if (S3I(s)->renegotiate) 2687 ssl3_renegotiate_check(s); 2688 S3I(s)->in_read_app_data = 1; 2689 2690 ret = s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, buf, len, 2691 peek); 2692 if ((ret == -1) && (S3I(s)->in_read_app_data == 2)) { 2693 /* 2694 * ssl3_read_bytes decided to call s->internal->handshake_func, 2695 * which called ssl3_read_bytes to read handshake data. 2696 * However, ssl3_read_bytes actually found application data 2697 * and thinks that application data makes sense here; so disable 2698 * handshake processing and try to read application data again. 2699 */ 2700 s->internal->in_handshake++; 2701 ret = s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, 2702 buf, len, peek); 2703 s->internal->in_handshake--; 2704 } else 2705 S3I(s)->in_read_app_data = 0; 2706 2707 return (ret); 2708 } 2709 2710 int 2711 ssl3_read(SSL *s, void *buf, int len) 2712 { 2713 return ssl3_read_internal(s, buf, len, 0); 2714 } 2715 2716 int 2717 ssl3_peek(SSL *s, void *buf, int len) 2718 { 2719 return ssl3_read_internal(s, buf, len, 1); 2720 } 2721 2722 int 2723 ssl3_renegotiate(SSL *s) 2724 { 2725 if (s->internal->handshake_func == NULL) 2726 return (1); 2727 2728 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) 2729 return (0); 2730 2731 S3I(s)->renegotiate = 1; 2732 return (1); 2733 } 2734 2735 int 2736 ssl3_renegotiate_check(SSL *s) 2737 { 2738 int ret = 0; 2739 2740 if (S3I(s)->renegotiate) { 2741 if ((S3I(s)->rbuf.left == 0) && (S3I(s)->wbuf.left == 0) && 2742 !SSL_in_init(s)) { 2743 /* 2744 * If we are the server, and we have sent 2745 * a 'RENEGOTIATE' message, we need to go 2746 * to SSL_ST_ACCEPT. 2747 */ 2748 /* SSL_ST_ACCEPT */ 2749 S3I(s)->hs.state = SSL_ST_RENEGOTIATE; 2750 S3I(s)->renegotiate = 0; 2751 S3I(s)->num_renegotiations++; 2752 S3I(s)->total_renegotiations++; 2753 ret = 1; 2754 } 2755 } 2756 return (ret); 2757 } 2758