t1_enc.c revision 1.146
1/* $OpenBSD: t1_enc.c,v 1.146 2021/05/16 13:56:31 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> 147 148#include "dtls_locl.h" 149 150void 151tls1_cleanup_key_block(SSL *s) 152{ 153 tls12_key_block_free(S3I(s)->hs.tls12.key_block); 154 S3I(s)->hs.tls12.key_block = NULL; 155} 156 157/* 158 * TLS P_hash() data expansion function - see RFC 5246, section 5. 159 */ 160static int 161tls1_P_hash(const EVP_MD *md, const unsigned char *secret, size_t secret_len, 162 const void *seed1, size_t seed1_len, const void *seed2, size_t seed2_len, 163 const void *seed3, size_t seed3_len, const void *seed4, size_t seed4_len, 164 const void *seed5, size_t seed5_len, unsigned char *out, size_t out_len) 165{ 166 unsigned char A1[EVP_MAX_MD_SIZE], hmac[EVP_MAX_MD_SIZE]; 167 size_t A1_len, hmac_len; 168 EVP_MD_CTX ctx; 169 EVP_PKEY *mac_key; 170 int ret = 0; 171 int chunk; 172 size_t i; 173 174 chunk = EVP_MD_size(md); 175 OPENSSL_assert(chunk >= 0); 176 177 EVP_MD_CTX_init(&ctx); 178 179 mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, secret, secret_len); 180 if (!mac_key) 181 goto err; 182 if (!EVP_DigestSignInit(&ctx, NULL, md, NULL, mac_key)) 183 goto err; 184 if (seed1 && !EVP_DigestSignUpdate(&ctx, seed1, seed1_len)) 185 goto err; 186 if (seed2 && !EVP_DigestSignUpdate(&ctx, seed2, seed2_len)) 187 goto err; 188 if (seed3 && !EVP_DigestSignUpdate(&ctx, seed3, seed3_len)) 189 goto err; 190 if (seed4 && !EVP_DigestSignUpdate(&ctx, seed4, seed4_len)) 191 goto err; 192 if (seed5 && !EVP_DigestSignUpdate(&ctx, seed5, seed5_len)) 193 goto err; 194 if (!EVP_DigestSignFinal(&ctx, A1, &A1_len)) 195 goto err; 196 197 for (;;) { 198 if (!EVP_DigestSignInit(&ctx, NULL, md, NULL, mac_key)) 199 goto err; 200 if (!EVP_DigestSignUpdate(&ctx, A1, A1_len)) 201 goto err; 202 if (seed1 && !EVP_DigestSignUpdate(&ctx, seed1, seed1_len)) 203 goto err; 204 if (seed2 && !EVP_DigestSignUpdate(&ctx, seed2, seed2_len)) 205 goto err; 206 if (seed3 && !EVP_DigestSignUpdate(&ctx, seed3, seed3_len)) 207 goto err; 208 if (seed4 && !EVP_DigestSignUpdate(&ctx, seed4, seed4_len)) 209 goto err; 210 if (seed5 && !EVP_DigestSignUpdate(&ctx, seed5, seed5_len)) 211 goto err; 212 if (!EVP_DigestSignFinal(&ctx, hmac, &hmac_len)) 213 goto err; 214 215 if (hmac_len > out_len) 216 hmac_len = out_len; 217 218 for (i = 0; i < hmac_len; i++) 219 out[i] ^= hmac[i]; 220 221 out += hmac_len; 222 out_len -= hmac_len; 223 224 if (out_len == 0) 225 break; 226 227 if (!EVP_DigestSignInit(&ctx, NULL, md, NULL, mac_key)) 228 goto err; 229 if (!EVP_DigestSignUpdate(&ctx, A1, A1_len)) 230 goto err; 231 if (!EVP_DigestSignFinal(&ctx, A1, &A1_len)) 232 goto err; 233 } 234 ret = 1; 235 236 err: 237 EVP_PKEY_free(mac_key); 238 EVP_MD_CTX_cleanup(&ctx); 239 240 explicit_bzero(A1, sizeof(A1)); 241 explicit_bzero(hmac, sizeof(hmac)); 242 243 return ret; 244} 245 246int 247tls1_PRF(SSL *s, const unsigned char *secret, size_t secret_len, 248 const void *seed1, size_t seed1_len, const void *seed2, size_t seed2_len, 249 const void *seed3, size_t seed3_len, const void *seed4, size_t seed4_len, 250 const void *seed5, size_t seed5_len, unsigned char *out, size_t out_len) 251{ 252 const EVP_MD *md; 253 size_t half_len; 254 255 memset(out, 0, out_len); 256 257 if (!ssl_get_handshake_evp_md(s, &md)) 258 return (0); 259 260 if (md->type == NID_md5_sha1) { 261 /* 262 * Partition secret between MD5 and SHA1, then XOR result. 263 * If the secret length is odd, a one byte overlap is used. 264 */ 265 half_len = secret_len - (secret_len / 2); 266 if (!tls1_P_hash(EVP_md5(), secret, half_len, seed1, seed1_len, 267 seed2, seed2_len, seed3, seed3_len, seed4, seed4_len, 268 seed5, seed5_len, out, out_len)) 269 return (0); 270 271 secret += secret_len - half_len; 272 if (!tls1_P_hash(EVP_sha1(), secret, half_len, seed1, seed1_len, 273 seed2, seed2_len, seed3, seed3_len, seed4, seed4_len, 274 seed5, seed5_len, out, out_len)) 275 return (0); 276 277 return (1); 278 } 279 280 if (!tls1_P_hash(md, secret, secret_len, seed1, seed1_len, 281 seed2, seed2_len, seed3, seed3_len, seed4, seed4_len, 282 seed5, seed5_len, out, out_len)) 283 return (0); 284 285 return (1); 286} 287 288int 289tls1_generate_key_block(SSL *s, uint8_t *key_block, size_t key_block_len) 290{ 291 return tls1_PRF(s, 292 s->session->master_key, s->session->master_key_length, 293 TLS_MD_KEY_EXPANSION_CONST, TLS_MD_KEY_EXPANSION_CONST_SIZE, 294 s->s3->server_random, SSL3_RANDOM_SIZE, 295 s->s3->client_random, SSL3_RANDOM_SIZE, 296 NULL, 0, NULL, 0, key_block, key_block_len); 297} 298 299static int 300tls1_change_cipher_state(SSL *s, int is_write) 301{ 302 CBS mac_key, key, iv; 303 304 /* Use client write keys on client write and server read. */ 305 if ((!s->server && is_write) || (s->server && !is_write)) { 306 tls12_key_block_client_write(S3I(s)->hs.tls12.key_block, 307 &mac_key, &key, &iv); 308 } else { 309 tls12_key_block_server_write(S3I(s)->hs.tls12.key_block, 310 &mac_key, &key, &iv); 311 } 312 313 if (!is_write) { 314 if (!tls12_record_layer_change_read_cipher_state(s->internal->rl, 315 &mac_key, &key, &iv)) 316 goto err; 317 if (SSL_is_dtls(s)) 318 dtls1_reset_read_seq_numbers(s); 319 tls12_record_layer_read_cipher_hash(s->internal->rl, 320 &s->enc_read_ctx, &s->read_hash); 321 } else { 322 if (!tls12_record_layer_change_write_cipher_state(s->internal->rl, 323 &mac_key, &key, &iv)) 324 goto err; 325 } 326 return (1); 327 328 err: 329 return (0); 330} 331 332int 333tls1_change_read_cipher_state(SSL *s) 334{ 335 return tls1_change_cipher_state(s, 0); 336} 337 338int 339tls1_change_write_cipher_state(SSL *s) 340{ 341 return tls1_change_cipher_state(s, 1); 342} 343 344int 345tls1_setup_key_block(SSL *s) 346{ 347 struct tls12_key_block *key_block; 348 int mac_type = NID_undef, mac_secret_size = 0; 349 const EVP_CIPHER *cipher = NULL; 350 const EVP_AEAD *aead = NULL; 351 const EVP_MD *handshake_hash = NULL; 352 const EVP_MD *mac_hash = NULL; 353 int ret = 0; 354 355 /* 356 * XXX - callers should be changed so that they only call this 357 * function once. 358 */ 359 if (S3I(s)->hs.tls12.key_block != NULL) 360 return (1); 361 362 if (s->session->cipher && 363 (s->session->cipher->algorithm_mac & SSL_AEAD)) { 364 if (!ssl_cipher_get_evp_aead(s->session, &aead)) { 365 SSLerror(s, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 366 return (0); 367 } 368 } else { 369 /* XXX - mac_type and mac_secret_size are now unused. */ 370 if (!ssl_cipher_get_evp(s->session, &cipher, &mac_hash, 371 &mac_type, &mac_secret_size)) { 372 SSLerror(s, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 373 return (0); 374 } 375 } 376 377 if (!ssl_get_handshake_evp_md(s, &handshake_hash)) 378 return (0); 379 380 tls12_record_layer_set_aead(s->internal->rl, aead); 381 tls12_record_layer_set_cipher_hash(s->internal->rl, cipher, 382 handshake_hash, mac_hash); 383 384 if ((key_block = tls12_key_block_new()) == NULL) 385 goto err; 386 if (!tls12_key_block_generate(key_block, s, aead, cipher, mac_hash)) 387 goto err; 388 389 S3I(s)->hs.tls12.key_block = key_block; 390 key_block = NULL; 391 392 if (!(s->internal->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) && 393 s->method->internal->version <= TLS1_VERSION) { 394 /* 395 * Enable vulnerability countermeasure for CBC ciphers with 396 * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) 397 */ 398 S3I(s)->need_empty_fragments = 1; 399 400 if (s->session->cipher != NULL) { 401 if (s->session->cipher->algorithm_enc == SSL_eNULL) 402 S3I(s)->need_empty_fragments = 0; 403 404#ifndef OPENSSL_NO_RC4 405 if (s->session->cipher->algorithm_enc == SSL_RC4) 406 S3I(s)->need_empty_fragments = 0; 407#endif 408 } 409 } 410 411 ret = 1; 412 413 err: 414 tls12_key_block_free(key_block); 415 416 return (ret); 417} 418 419int 420tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 421 const char *label, size_t llen, const unsigned char *context, 422 size_t contextlen, int use_context) 423{ 424 unsigned char *val = NULL; 425 size_t vallen, currentvalpos; 426 int rv; 427 428 if (!SSL_is_init_finished(s)) { 429 SSLerror(s, SSL_R_BAD_STATE); 430 return 0; 431 } 432 433 /* construct PRF arguments 434 * we construct the PRF argument ourself rather than passing separate 435 * values into the TLS PRF to ensure that the concatenation of values 436 * does not create a prohibited label. 437 */ 438 vallen = llen + SSL3_RANDOM_SIZE * 2; 439 if (use_context) { 440 vallen += 2 + contextlen; 441 } 442 443 val = malloc(vallen); 444 if (val == NULL) 445 goto err2; 446 currentvalpos = 0; 447 memcpy(val + currentvalpos, (unsigned char *) label, llen); 448 currentvalpos += llen; 449 memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE); 450 currentvalpos += SSL3_RANDOM_SIZE; 451 memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE); 452 currentvalpos += SSL3_RANDOM_SIZE; 453 454 if (use_context) { 455 val[currentvalpos] = (contextlen >> 8) & 0xff; 456 currentvalpos++; 457 val[currentvalpos] = contextlen & 0xff; 458 currentvalpos++; 459 if ((contextlen > 0) || (context != NULL)) { 460 memcpy(val + currentvalpos, context, contextlen); 461 } 462 } 463 464 /* disallow prohibited labels 465 * note that SSL3_RANDOM_SIZE > max(prohibited label len) = 466 * 15, so size of val > max(prohibited label len) = 15 and the 467 * comparisons won't have buffer overflow 468 */ 469 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST, 470 TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) 471 goto err1; 472 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST, 473 TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) 474 goto err1; 475 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST, 476 TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) 477 goto err1; 478 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST, 479 TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) 480 goto err1; 481 482 rv = tls1_PRF(s, s->session->master_key, s->session->master_key_length, 483 val, vallen, NULL, 0, NULL, 0, NULL, 0, NULL, 0, out, olen); 484 485 goto ret; 486err1: 487 SSLerror(s, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); 488 rv = 0; 489 goto ret; 490err2: 491 SSLerror(s, ERR_R_MALLOC_FAILURE); 492 rv = 0; 493ret: 494 free(val); 495 496 return (rv); 497} 498 499int 500tls1_alert_code(int code) 501{ 502 switch (code) { 503 case SSL_AD_CLOSE_NOTIFY: 504 return (SSL3_AD_CLOSE_NOTIFY); 505 case SSL_AD_UNEXPECTED_MESSAGE: 506 return (SSL3_AD_UNEXPECTED_MESSAGE); 507 case SSL_AD_BAD_RECORD_MAC: 508 return (SSL3_AD_BAD_RECORD_MAC); 509 case SSL_AD_DECRYPTION_FAILED: 510 return (TLS1_AD_DECRYPTION_FAILED); 511 case SSL_AD_RECORD_OVERFLOW: 512 return (TLS1_AD_RECORD_OVERFLOW); 513 case SSL_AD_DECOMPRESSION_FAILURE: 514 return (SSL3_AD_DECOMPRESSION_FAILURE); 515 case SSL_AD_HANDSHAKE_FAILURE: 516 return (SSL3_AD_HANDSHAKE_FAILURE); 517 case SSL_AD_NO_CERTIFICATE: 518 return (-1); 519 case SSL_AD_BAD_CERTIFICATE: 520 return (SSL3_AD_BAD_CERTIFICATE); 521 case SSL_AD_UNSUPPORTED_CERTIFICATE: 522 return (SSL3_AD_UNSUPPORTED_CERTIFICATE); 523 case SSL_AD_CERTIFICATE_REVOKED: 524 return (SSL3_AD_CERTIFICATE_REVOKED); 525 case SSL_AD_CERTIFICATE_EXPIRED: 526 return (SSL3_AD_CERTIFICATE_EXPIRED); 527 case SSL_AD_CERTIFICATE_UNKNOWN: 528 return (SSL3_AD_CERTIFICATE_UNKNOWN); 529 case SSL_AD_ILLEGAL_PARAMETER: 530 return (SSL3_AD_ILLEGAL_PARAMETER); 531 case SSL_AD_UNKNOWN_CA: 532 return (TLS1_AD_UNKNOWN_CA); 533 case SSL_AD_ACCESS_DENIED: 534 return (TLS1_AD_ACCESS_DENIED); 535 case SSL_AD_DECODE_ERROR: 536 return (TLS1_AD_DECODE_ERROR); 537 case SSL_AD_DECRYPT_ERROR: 538 return (TLS1_AD_DECRYPT_ERROR); 539 case SSL_AD_EXPORT_RESTRICTION: 540 return (TLS1_AD_EXPORT_RESTRICTION); 541 case SSL_AD_PROTOCOL_VERSION: 542 return (TLS1_AD_PROTOCOL_VERSION); 543 case SSL_AD_INSUFFICIENT_SECURITY: 544 return (TLS1_AD_INSUFFICIENT_SECURITY); 545 case SSL_AD_INTERNAL_ERROR: 546 return (TLS1_AD_INTERNAL_ERROR); 547 case SSL_AD_INAPPROPRIATE_FALLBACK: 548 return(TLS1_AD_INAPPROPRIATE_FALLBACK); 549 case SSL_AD_USER_CANCELLED: 550 return (TLS1_AD_USER_CANCELLED); 551 case SSL_AD_NO_RENEGOTIATION: 552 return (TLS1_AD_NO_RENEGOTIATION); 553 case SSL_AD_UNSUPPORTED_EXTENSION: 554 return (TLS1_AD_UNSUPPORTED_EXTENSION); 555 case SSL_AD_CERTIFICATE_UNOBTAINABLE: 556 return (TLS1_AD_CERTIFICATE_UNOBTAINABLE); 557 case SSL_AD_UNRECOGNIZED_NAME: 558 return (TLS1_AD_UNRECOGNIZED_NAME); 559 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: 560 return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE); 561 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: 562 return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE); 563 case SSL_AD_UNKNOWN_PSK_IDENTITY: 564 return (TLS1_AD_UNKNOWN_PSK_IDENTITY); 565 default: 566 return (-1); 567 } 568} 569