t1_enc.c revision 1.145
1/* $OpenBSD: t1_enc.c,v 1.145 2021/05/16 08:24:21 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 2005 Nokia. All rights reserved. 113 * 114 * The portions of the attached software ("Contribution") is developed by 115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 116 * license. 117 * 118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 120 * support (see RFC 4279) to OpenSSL. 121 * 122 * No patent licenses or other rights except those expressly stated in 123 * the OpenSSL open source license shall be deemed granted or received 124 * expressly, by implication, estoppel, or otherwise. 125 * 126 * No assurances are provided by Nokia that the Contribution does not 127 * infringe the patent or other intellectual property rights of any third 128 * party or that the license provides you with all the necessary rights 129 * to make use of the Contribution. 130 * 131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 135 * OTHERWISE. 136 */ 137 138#include <limits.h> 139#include <stdio.h> 140 141#include "ssl_locl.h" 142 143#include <openssl/evp.h> 144#include <openssl/hmac.h> 145#include <openssl/md5.h> 146#include <openssl/opensslconf.h> 147 148void 149tls1_cleanup_key_block(SSL *s) 150{ 151 tls12_key_block_free(S3I(s)->hs.tls12.key_block); 152 S3I(s)->hs.tls12.key_block = NULL; 153} 154 155/* 156 * TLS P_hash() data expansion function - see RFC 5246, section 5. 157 */ 158static int 159tls1_P_hash(const EVP_MD *md, const unsigned char *secret, size_t secret_len, 160 const void *seed1, size_t seed1_len, const void *seed2, size_t seed2_len, 161 const void *seed3, size_t seed3_len, const void *seed4, size_t seed4_len, 162 const void *seed5, size_t seed5_len, unsigned char *out, size_t out_len) 163{ 164 unsigned char A1[EVP_MAX_MD_SIZE], hmac[EVP_MAX_MD_SIZE]; 165 size_t A1_len, hmac_len; 166 EVP_MD_CTX ctx; 167 EVP_PKEY *mac_key; 168 int ret = 0; 169 int chunk; 170 size_t i; 171 172 chunk = EVP_MD_size(md); 173 OPENSSL_assert(chunk >= 0); 174 175 EVP_MD_CTX_init(&ctx); 176 177 mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, secret, secret_len); 178 if (!mac_key) 179 goto err; 180 if (!EVP_DigestSignInit(&ctx, NULL, md, NULL, mac_key)) 181 goto err; 182 if (seed1 && !EVP_DigestSignUpdate(&ctx, seed1, seed1_len)) 183 goto err; 184 if (seed2 && !EVP_DigestSignUpdate(&ctx, seed2, seed2_len)) 185 goto err; 186 if (seed3 && !EVP_DigestSignUpdate(&ctx, seed3, seed3_len)) 187 goto err; 188 if (seed4 && !EVP_DigestSignUpdate(&ctx, seed4, seed4_len)) 189 goto err; 190 if (seed5 && !EVP_DigestSignUpdate(&ctx, seed5, seed5_len)) 191 goto err; 192 if (!EVP_DigestSignFinal(&ctx, A1, &A1_len)) 193 goto err; 194 195 for (;;) { 196 if (!EVP_DigestSignInit(&ctx, NULL, md, NULL, mac_key)) 197 goto err; 198 if (!EVP_DigestSignUpdate(&ctx, A1, A1_len)) 199 goto err; 200 if (seed1 && !EVP_DigestSignUpdate(&ctx, seed1, seed1_len)) 201 goto err; 202 if (seed2 && !EVP_DigestSignUpdate(&ctx, seed2, seed2_len)) 203 goto err; 204 if (seed3 && !EVP_DigestSignUpdate(&ctx, seed3, seed3_len)) 205 goto err; 206 if (seed4 && !EVP_DigestSignUpdate(&ctx, seed4, seed4_len)) 207 goto err; 208 if (seed5 && !EVP_DigestSignUpdate(&ctx, seed5, seed5_len)) 209 goto err; 210 if (!EVP_DigestSignFinal(&ctx, hmac, &hmac_len)) 211 goto err; 212 213 if (hmac_len > out_len) 214 hmac_len = out_len; 215 216 for (i = 0; i < hmac_len; i++) 217 out[i] ^= hmac[i]; 218 219 out += hmac_len; 220 out_len -= hmac_len; 221 222 if (out_len == 0) 223 break; 224 225 if (!EVP_DigestSignInit(&ctx, NULL, md, NULL, mac_key)) 226 goto err; 227 if (!EVP_DigestSignUpdate(&ctx, A1, A1_len)) 228 goto err; 229 if (!EVP_DigestSignFinal(&ctx, A1, &A1_len)) 230 goto err; 231 } 232 ret = 1; 233 234 err: 235 EVP_PKEY_free(mac_key); 236 EVP_MD_CTX_cleanup(&ctx); 237 238 explicit_bzero(A1, sizeof(A1)); 239 explicit_bzero(hmac, sizeof(hmac)); 240 241 return ret; 242} 243 244int 245tls1_PRF(SSL *s, const unsigned char *secret, size_t secret_len, 246 const void *seed1, size_t seed1_len, const void *seed2, size_t seed2_len, 247 const void *seed3, size_t seed3_len, const void *seed4, size_t seed4_len, 248 const void *seed5, size_t seed5_len, unsigned char *out, size_t out_len) 249{ 250 const EVP_MD *md; 251 size_t half_len; 252 253 memset(out, 0, out_len); 254 255 if (!ssl_get_handshake_evp_md(s, &md)) 256 return (0); 257 258 if (md->type == NID_md5_sha1) { 259 /* 260 * Partition secret between MD5 and SHA1, then XOR result. 261 * If the secret length is odd, a one byte overlap is used. 262 */ 263 half_len = secret_len - (secret_len / 2); 264 if (!tls1_P_hash(EVP_md5(), secret, half_len, seed1, seed1_len, 265 seed2, seed2_len, seed3, seed3_len, seed4, seed4_len, 266 seed5, seed5_len, out, out_len)) 267 return (0); 268 269 secret += secret_len - half_len; 270 if (!tls1_P_hash(EVP_sha1(), secret, half_len, seed1, seed1_len, 271 seed2, seed2_len, seed3, seed3_len, seed4, seed4_len, 272 seed5, seed5_len, out, out_len)) 273 return (0); 274 275 return (1); 276 } 277 278 if (!tls1_P_hash(md, secret, secret_len, seed1, seed1_len, 279 seed2, seed2_len, seed3, seed3_len, seed4, seed4_len, 280 seed5, seed5_len, out, out_len)) 281 return (0); 282 283 return (1); 284} 285 286int 287tls1_generate_key_block(SSL *s, uint8_t *key_block, size_t key_block_len) 288{ 289 return tls1_PRF(s, 290 s->session->master_key, s->session->master_key_length, 291 TLS_MD_KEY_EXPANSION_CONST, TLS_MD_KEY_EXPANSION_CONST_SIZE, 292 s->s3->server_random, SSL3_RANDOM_SIZE, 293 s->s3->client_random, SSL3_RANDOM_SIZE, 294 NULL, 0, NULL, 0, key_block, key_block_len); 295} 296 297static int 298tls1_change_cipher_state(SSL *s, int is_write) 299{ 300 CBS mac_key, key, iv; 301 302 /* Use client write keys on client write and server read. */ 303 if ((!s->server && is_write) || (s->server && !is_write)) { 304 tls12_key_block_client_write(S3I(s)->hs.tls12.key_block, 305 &mac_key, &key, &iv); 306 } else { 307 tls12_key_block_server_write(S3I(s)->hs.tls12.key_block, 308 &mac_key, &key, &iv); 309 } 310 311 if (!is_write) { 312 if (!tls12_record_layer_change_read_cipher_state(s->internal->rl, 313 &mac_key, &key, &iv)) 314 goto err; 315 if (SSL_is_dtls(s)) 316 dtls1_reset_read_seq_numbers(s); 317 tls12_record_layer_read_cipher_hash(s->internal->rl, 318 &s->enc_read_ctx, &s->read_hash); 319 } else { 320 if (!tls12_record_layer_change_write_cipher_state(s->internal->rl, 321 &mac_key, &key, &iv)) 322 goto err; 323 } 324 return (1); 325 326 err: 327 return (0); 328} 329 330int 331tls1_change_read_cipher_state(SSL *s) 332{ 333 return tls1_change_cipher_state(s, 0); 334} 335 336int 337tls1_change_write_cipher_state(SSL *s) 338{ 339 return tls1_change_cipher_state(s, 1); 340} 341 342int 343tls1_setup_key_block(SSL *s) 344{ 345 struct tls12_key_block *key_block; 346 int mac_type = NID_undef, mac_secret_size = 0; 347 const EVP_CIPHER *cipher = NULL; 348 const EVP_AEAD *aead = NULL; 349 const EVP_MD *handshake_hash = NULL; 350 const EVP_MD *mac_hash = NULL; 351 int ret = 0; 352 353 /* 354 * XXX - callers should be changed so that they only call this 355 * function once. 356 */ 357 if (S3I(s)->hs.tls12.key_block != NULL) 358 return (1); 359 360 if (s->session->cipher && 361 (s->session->cipher->algorithm_mac & SSL_AEAD)) { 362 if (!ssl_cipher_get_evp_aead(s->session, &aead)) { 363 SSLerror(s, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 364 return (0); 365 } 366 } else { 367 /* XXX - mac_type and mac_secret_size are now unused. */ 368 if (!ssl_cipher_get_evp(s->session, &cipher, &mac_hash, 369 &mac_type, &mac_secret_size)) { 370 SSLerror(s, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 371 return (0); 372 } 373 } 374 375 if (!ssl_get_handshake_evp_md(s, &handshake_hash)) 376 return (0); 377 378 tls12_record_layer_set_aead(s->internal->rl, aead); 379 tls12_record_layer_set_cipher_hash(s->internal->rl, cipher, 380 handshake_hash, mac_hash); 381 382 if ((key_block = tls12_key_block_new()) == NULL) 383 goto err; 384 if (!tls12_key_block_generate(key_block, s, aead, cipher, mac_hash)) 385 goto err; 386 387 S3I(s)->hs.tls12.key_block = key_block; 388 key_block = NULL; 389 390 if (!(s->internal->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) && 391 s->method->internal->version <= TLS1_VERSION) { 392 /* 393 * Enable vulnerability countermeasure for CBC ciphers with 394 * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) 395 */ 396 S3I(s)->need_empty_fragments = 1; 397 398 if (s->session->cipher != NULL) { 399 if (s->session->cipher->algorithm_enc == SSL_eNULL) 400 S3I(s)->need_empty_fragments = 0; 401 402#ifndef OPENSSL_NO_RC4 403 if (s->session->cipher->algorithm_enc == SSL_RC4) 404 S3I(s)->need_empty_fragments = 0; 405#endif 406 } 407 } 408 409 ret = 1; 410 411 err: 412 tls12_key_block_free(key_block); 413 414 return (ret); 415} 416 417int 418tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 419 const char *label, size_t llen, const unsigned char *context, 420 size_t contextlen, int use_context) 421{ 422 unsigned char *val = NULL; 423 size_t vallen, currentvalpos; 424 int rv; 425 426 if (!SSL_is_init_finished(s)) { 427 SSLerror(s, SSL_R_BAD_STATE); 428 return 0; 429 } 430 431 /* construct PRF arguments 432 * we construct the PRF argument ourself rather than passing separate 433 * values into the TLS PRF to ensure that the concatenation of values 434 * does not create a prohibited label. 435 */ 436 vallen = llen + SSL3_RANDOM_SIZE * 2; 437 if (use_context) { 438 vallen += 2 + contextlen; 439 } 440 441 val = malloc(vallen); 442 if (val == NULL) 443 goto err2; 444 currentvalpos = 0; 445 memcpy(val + currentvalpos, (unsigned char *) label, llen); 446 currentvalpos += llen; 447 memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE); 448 currentvalpos += SSL3_RANDOM_SIZE; 449 memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE); 450 currentvalpos += SSL3_RANDOM_SIZE; 451 452 if (use_context) { 453 val[currentvalpos] = (contextlen >> 8) & 0xff; 454 currentvalpos++; 455 val[currentvalpos] = contextlen & 0xff; 456 currentvalpos++; 457 if ((contextlen > 0) || (context != NULL)) { 458 memcpy(val + currentvalpos, context, contextlen); 459 } 460 } 461 462 /* disallow prohibited labels 463 * note that SSL3_RANDOM_SIZE > max(prohibited label len) = 464 * 15, so size of val > max(prohibited label len) = 15 and the 465 * comparisons won't have buffer overflow 466 */ 467 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST, 468 TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) 469 goto err1; 470 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST, 471 TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) 472 goto err1; 473 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST, 474 TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) 475 goto err1; 476 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST, 477 TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) 478 goto err1; 479 480 rv = tls1_PRF(s, s->session->master_key, s->session->master_key_length, 481 val, vallen, NULL, 0, NULL, 0, NULL, 0, NULL, 0, out, olen); 482 483 goto ret; 484err1: 485 SSLerror(s, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); 486 rv = 0; 487 goto ret; 488err2: 489 SSLerror(s, ERR_R_MALLOC_FAILURE); 490 rv = 0; 491ret: 492 free(val); 493 494 return (rv); 495} 496 497int 498tls1_alert_code(int code) 499{ 500 switch (code) { 501 case SSL_AD_CLOSE_NOTIFY: 502 return (SSL3_AD_CLOSE_NOTIFY); 503 case SSL_AD_UNEXPECTED_MESSAGE: 504 return (SSL3_AD_UNEXPECTED_MESSAGE); 505 case SSL_AD_BAD_RECORD_MAC: 506 return (SSL3_AD_BAD_RECORD_MAC); 507 case SSL_AD_DECRYPTION_FAILED: 508 return (TLS1_AD_DECRYPTION_FAILED); 509 case SSL_AD_RECORD_OVERFLOW: 510 return (TLS1_AD_RECORD_OVERFLOW); 511 case SSL_AD_DECOMPRESSION_FAILURE: 512 return (SSL3_AD_DECOMPRESSION_FAILURE); 513 case SSL_AD_HANDSHAKE_FAILURE: 514 return (SSL3_AD_HANDSHAKE_FAILURE); 515 case SSL_AD_NO_CERTIFICATE: 516 return (-1); 517 case SSL_AD_BAD_CERTIFICATE: 518 return (SSL3_AD_BAD_CERTIFICATE); 519 case SSL_AD_UNSUPPORTED_CERTIFICATE: 520 return (SSL3_AD_UNSUPPORTED_CERTIFICATE); 521 case SSL_AD_CERTIFICATE_REVOKED: 522 return (SSL3_AD_CERTIFICATE_REVOKED); 523 case SSL_AD_CERTIFICATE_EXPIRED: 524 return (SSL3_AD_CERTIFICATE_EXPIRED); 525 case SSL_AD_CERTIFICATE_UNKNOWN: 526 return (SSL3_AD_CERTIFICATE_UNKNOWN); 527 case SSL_AD_ILLEGAL_PARAMETER: 528 return (SSL3_AD_ILLEGAL_PARAMETER); 529 case SSL_AD_UNKNOWN_CA: 530 return (TLS1_AD_UNKNOWN_CA); 531 case SSL_AD_ACCESS_DENIED: 532 return (TLS1_AD_ACCESS_DENIED); 533 case SSL_AD_DECODE_ERROR: 534 return (TLS1_AD_DECODE_ERROR); 535 case SSL_AD_DECRYPT_ERROR: 536 return (TLS1_AD_DECRYPT_ERROR); 537 case SSL_AD_EXPORT_RESTRICTION: 538 return (TLS1_AD_EXPORT_RESTRICTION); 539 case SSL_AD_PROTOCOL_VERSION: 540 return (TLS1_AD_PROTOCOL_VERSION); 541 case SSL_AD_INSUFFICIENT_SECURITY: 542 return (TLS1_AD_INSUFFICIENT_SECURITY); 543 case SSL_AD_INTERNAL_ERROR: 544 return (TLS1_AD_INTERNAL_ERROR); 545 case SSL_AD_INAPPROPRIATE_FALLBACK: 546 return(TLS1_AD_INAPPROPRIATE_FALLBACK); 547 case SSL_AD_USER_CANCELLED: 548 return (TLS1_AD_USER_CANCELLED); 549 case SSL_AD_NO_RENEGOTIATION: 550 return (TLS1_AD_NO_RENEGOTIATION); 551 case SSL_AD_UNSUPPORTED_EXTENSION: 552 return (TLS1_AD_UNSUPPORTED_EXTENSION); 553 case SSL_AD_CERTIFICATE_UNOBTAINABLE: 554 return (TLS1_AD_CERTIFICATE_UNOBTAINABLE); 555 case SSL_AD_UNRECOGNIZED_NAME: 556 return (TLS1_AD_UNRECOGNIZED_NAME); 557 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: 558 return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE); 559 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: 560 return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE); 561 case SSL_AD_UNKNOWN_PSK_IDENTITY: 562 return (TLS1_AD_UNKNOWN_PSK_IDENTITY); 563 default: 564 return (-1); 565 } 566} 567