1 /* $OpenBSD: t1_enc.c,v 1.139 2021/04/25 13:15:22 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> 146 147 void 148 tls1_cleanup_key_block(SSL *s) 149 { 150 freezero(S3I(s)->hs.tls12.key_block, S3I(s)->hs.tls12.key_block_len); 151 S3I(s)->hs.tls12.key_block = NULL; 152 S3I(s)->hs.tls12.key_block_len = 0; 153 } 154 155 /* 156 * TLS P_hash() data expansion function - see RFC 5246, section 5. 157 */ 158 static int 159 tls1_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 } 243 244 int 245 tls1_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 } 285 286 static int 287 tls1_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 } 296 297 int 298 tls1_change_cipher_state(SSL *s, int which) 299 { 300 const unsigned char *client_write_mac_secret, *server_write_mac_secret; 301 const unsigned char *client_write_key, *server_write_key; 302 const unsigned char *client_write_iv, *server_write_iv; 303 const unsigned char *mac_secret, *key, *iv; 304 int mac_secret_size, key_len, iv_len; 305 unsigned char *key_block; 306 const EVP_CIPHER *cipher; 307 const EVP_AEAD *aead; 308 char is_read, use_client_keys; 309 310 aead = tls12_record_layer_aead(s->internal->rl); 311 cipher = tls12_record_layer_cipher(s->internal->rl); 312 313 /* 314 * is_read is true if we have just read a ChangeCipherSpec message, 315 * that is we need to update the read cipherspec. Otherwise we have 316 * just written one. 317 */ 318 is_read = (which & SSL3_CC_READ) != 0; 319 320 /* 321 * use_client_keys is true if we wish to use the keys for the "client 322 * write" direction. This is the case if we're a client sending a 323 * ChangeCipherSpec, or a server reading a client's ChangeCipherSpec. 324 */ 325 use_client_keys = ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || 326 (which == SSL3_CHANGE_CIPHER_SERVER_READ)); 327 328 if (aead != NULL) { 329 key_len = EVP_AEAD_key_length(aead); 330 iv_len = SSL_CIPHER_AEAD_FIXED_NONCE_LEN(S3I(s)->hs.cipher); 331 } else { 332 key_len = EVP_CIPHER_key_length(cipher); 333 iv_len = EVP_CIPHER_iv_length(cipher); 334 } 335 336 mac_secret_size = S3I(s)->hs.tls12.mac_secret_size; 337 338 key_block = S3I(s)->hs.tls12.key_block; 339 client_write_mac_secret = key_block; 340 key_block += mac_secret_size; 341 server_write_mac_secret = key_block; 342 key_block += mac_secret_size; 343 client_write_key = key_block; 344 key_block += key_len; 345 server_write_key = key_block; 346 key_block += key_len; 347 client_write_iv = key_block; 348 key_block += iv_len; 349 server_write_iv = key_block; 350 key_block += iv_len; 351 352 if (use_client_keys) { 353 mac_secret = client_write_mac_secret; 354 key = client_write_key; 355 iv = client_write_iv; 356 } else { 357 mac_secret = server_write_mac_secret; 358 key = server_write_key; 359 iv = server_write_iv; 360 } 361 362 if (key_block - S3I(s)->hs.tls12.key_block != 363 S3I(s)->hs.tls12.key_block_len) { 364 SSLerror(s, ERR_R_INTERNAL_ERROR); 365 goto err; 366 } 367 368 if (is_read) { 369 if (!tls12_record_layer_change_read_cipher_state(s->internal->rl, 370 mac_secret, mac_secret_size, key, key_len, iv, iv_len)) 371 goto err; 372 tls12_record_layer_read_cipher_hash(s->internal->rl, 373 &s->enc_read_ctx, &s->read_hash); 374 } else { 375 if (!tls12_record_layer_change_write_cipher_state(s->internal->rl, 376 mac_secret, mac_secret_size, key, key_len, iv, iv_len)) 377 goto err; 378 } 379 return (1); 380 381 err: 382 return (0); 383 } 384 385 int 386 tls1_setup_key_block(SSL *s) 387 { 388 unsigned char *key_block; 389 int mac_type = NID_undef, mac_secret_size = 0; 390 size_t key_block_len; 391 int key_len, iv_len; 392 const EVP_CIPHER *cipher = NULL; 393 const EVP_AEAD *aead = NULL; 394 const EVP_MD *handshake_hash = NULL; 395 const EVP_MD *mac_hash = NULL; 396 int ret = 0; 397 398 if (S3I(s)->hs.tls12.key_block_len != 0) 399 return (1); 400 401 if (s->session->cipher && 402 (s->session->cipher->algorithm_mac & SSL_AEAD)) { 403 if (!ssl_cipher_get_evp_aead(s->session, &aead)) { 404 SSLerror(s, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 405 return (0); 406 } 407 key_len = EVP_AEAD_key_length(aead); 408 iv_len = SSL_CIPHER_AEAD_FIXED_NONCE_LEN(s->session->cipher); 409 } else { 410 if (!ssl_cipher_get_evp(s->session, &cipher, &mac_hash, 411 &mac_type, &mac_secret_size)) { 412 SSLerror(s, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 413 return (0); 414 } 415 key_len = EVP_CIPHER_key_length(cipher); 416 iv_len = EVP_CIPHER_iv_length(cipher); 417 } 418 419 if (!ssl_get_handshake_evp_md(s, &handshake_hash)) 420 return (0); 421 422 S3I(s)->hs.tls12.mac_secret_size = mac_secret_size; 423 424 tls12_record_layer_set_aead(s->internal->rl, aead); 425 tls12_record_layer_set_cipher_hash(s->internal->rl, cipher, 426 handshake_hash, mac_hash); 427 428 tls1_cleanup_key_block(s); 429 430 if ((key_block = reallocarray(NULL, mac_secret_size + key_len + iv_len, 431 2)) == NULL) { 432 SSLerror(s, ERR_R_MALLOC_FAILURE); 433 goto err; 434 } 435 key_block_len = (mac_secret_size + key_len + iv_len) * 2; 436 437 S3I(s)->hs.tls12.key_block_len = key_block_len; 438 S3I(s)->hs.tls12.key_block = key_block; 439 440 if (!tls1_generate_key_block(s, key_block, key_block_len)) 441 goto err; 442 443 if (!(s->internal->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) && 444 s->method->internal->version <= TLS1_VERSION) { 445 /* 446 * Enable vulnerability countermeasure for CBC ciphers with 447 * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) 448 */ 449 S3I(s)->need_empty_fragments = 1; 450 451 if (s->session->cipher != NULL) { 452 if (s->session->cipher->algorithm_enc == SSL_eNULL) 453 S3I(s)->need_empty_fragments = 0; 454 455 #ifndef OPENSSL_NO_RC4 456 if (s->session->cipher->algorithm_enc == SSL_RC4) 457 S3I(s)->need_empty_fragments = 0; 458 #endif 459 } 460 } 461 462 ret = 1; 463 464 err: 465 return (ret); 466 } 467 468 int 469 tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, 470 int len) 471 { 472 if (len < 0) 473 return 0; 474 475 if (!tls1_PRF(s, p, len, 476 TLS_MD_MASTER_SECRET_CONST, TLS_MD_MASTER_SECRET_CONST_SIZE, 477 s->s3->client_random, SSL3_RANDOM_SIZE, NULL, 0, 478 s->s3->server_random, SSL3_RANDOM_SIZE, NULL, 0, 479 s->session->master_key, SSL_MAX_MASTER_KEY_LENGTH)) 480 return 0; 481 482 return (SSL_MAX_MASTER_KEY_LENGTH); 483 } 484 485 int 486 tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 487 const char *label, size_t llen, const unsigned char *context, 488 size_t contextlen, int use_context) 489 { 490 unsigned char *val = NULL; 491 size_t vallen, currentvalpos; 492 int rv; 493 494 if (!SSL_is_init_finished(s)) { 495 SSLerror(s, SSL_R_BAD_STATE); 496 return 0; 497 } 498 499 /* construct PRF arguments 500 * we construct the PRF argument ourself rather than passing separate 501 * values into the TLS PRF to ensure that the concatenation of values 502 * does not create a prohibited label. 503 */ 504 vallen = llen + SSL3_RANDOM_SIZE * 2; 505 if (use_context) { 506 vallen += 2 + contextlen; 507 } 508 509 val = malloc(vallen); 510 if (val == NULL) 511 goto err2; 512 currentvalpos = 0; 513 memcpy(val + currentvalpos, (unsigned char *) label, llen); 514 currentvalpos += llen; 515 memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE); 516 currentvalpos += SSL3_RANDOM_SIZE; 517 memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE); 518 currentvalpos += SSL3_RANDOM_SIZE; 519 520 if (use_context) { 521 val[currentvalpos] = (contextlen >> 8) & 0xff; 522 currentvalpos++; 523 val[currentvalpos] = contextlen & 0xff; 524 currentvalpos++; 525 if ((contextlen > 0) || (context != NULL)) { 526 memcpy(val + currentvalpos, context, contextlen); 527 } 528 } 529 530 /* disallow prohibited labels 531 * note that SSL3_RANDOM_SIZE > max(prohibited label len) = 532 * 15, so size of val > max(prohibited label len) = 15 and the 533 * comparisons won't have buffer overflow 534 */ 535 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST, 536 TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) 537 goto err1; 538 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST, 539 TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) 540 goto err1; 541 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST, 542 TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) 543 goto err1; 544 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST, 545 TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) 546 goto err1; 547 548 rv = tls1_PRF(s, s->session->master_key, s->session->master_key_length, 549 val, vallen, NULL, 0, NULL, 0, NULL, 0, NULL, 0, out, olen); 550 551 goto ret; 552 err1: 553 SSLerror(s, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); 554 rv = 0; 555 goto ret; 556 err2: 557 SSLerror(s, ERR_R_MALLOC_FAILURE); 558 rv = 0; 559 ret: 560 free(val); 561 562 return (rv); 563 } 564 565 int 566 tls1_alert_code(int code) 567 { 568 switch (code) { 569 case SSL_AD_CLOSE_NOTIFY: 570 return (SSL3_AD_CLOSE_NOTIFY); 571 case SSL_AD_UNEXPECTED_MESSAGE: 572 return (SSL3_AD_UNEXPECTED_MESSAGE); 573 case SSL_AD_BAD_RECORD_MAC: 574 return (SSL3_AD_BAD_RECORD_MAC); 575 case SSL_AD_DECRYPTION_FAILED: 576 return (TLS1_AD_DECRYPTION_FAILED); 577 case SSL_AD_RECORD_OVERFLOW: 578 return (TLS1_AD_RECORD_OVERFLOW); 579 case SSL_AD_DECOMPRESSION_FAILURE: 580 return (SSL3_AD_DECOMPRESSION_FAILURE); 581 case SSL_AD_HANDSHAKE_FAILURE: 582 return (SSL3_AD_HANDSHAKE_FAILURE); 583 case SSL_AD_NO_CERTIFICATE: 584 return (-1); 585 case SSL_AD_BAD_CERTIFICATE: 586 return (SSL3_AD_BAD_CERTIFICATE); 587 case SSL_AD_UNSUPPORTED_CERTIFICATE: 588 return (SSL3_AD_UNSUPPORTED_CERTIFICATE); 589 case SSL_AD_CERTIFICATE_REVOKED: 590 return (SSL3_AD_CERTIFICATE_REVOKED); 591 case SSL_AD_CERTIFICATE_EXPIRED: 592 return (SSL3_AD_CERTIFICATE_EXPIRED); 593 case SSL_AD_CERTIFICATE_UNKNOWN: 594 return (SSL3_AD_CERTIFICATE_UNKNOWN); 595 case SSL_AD_ILLEGAL_PARAMETER: 596 return (SSL3_AD_ILLEGAL_PARAMETER); 597 case SSL_AD_UNKNOWN_CA: 598 return (TLS1_AD_UNKNOWN_CA); 599 case SSL_AD_ACCESS_DENIED: 600 return (TLS1_AD_ACCESS_DENIED); 601 case SSL_AD_DECODE_ERROR: 602 return (TLS1_AD_DECODE_ERROR); 603 case SSL_AD_DECRYPT_ERROR: 604 return (TLS1_AD_DECRYPT_ERROR); 605 case SSL_AD_EXPORT_RESTRICTION: 606 return (TLS1_AD_EXPORT_RESTRICTION); 607 case SSL_AD_PROTOCOL_VERSION: 608 return (TLS1_AD_PROTOCOL_VERSION); 609 case SSL_AD_INSUFFICIENT_SECURITY: 610 return (TLS1_AD_INSUFFICIENT_SECURITY); 611 case SSL_AD_INTERNAL_ERROR: 612 return (TLS1_AD_INTERNAL_ERROR); 613 case SSL_AD_INAPPROPRIATE_FALLBACK: 614 return(TLS1_AD_INAPPROPRIATE_FALLBACK); 615 case SSL_AD_USER_CANCELLED: 616 return (TLS1_AD_USER_CANCELLED); 617 case SSL_AD_NO_RENEGOTIATION: 618 return (TLS1_AD_NO_RENEGOTIATION); 619 case SSL_AD_UNSUPPORTED_EXTENSION: 620 return (TLS1_AD_UNSUPPORTED_EXTENSION); 621 case SSL_AD_CERTIFICATE_UNOBTAINABLE: 622 return (TLS1_AD_CERTIFICATE_UNOBTAINABLE); 623 case SSL_AD_UNRECOGNIZED_NAME: 624 return (TLS1_AD_UNRECOGNIZED_NAME); 625 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: 626 return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE); 627 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: 628 return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE); 629 case SSL_AD_UNKNOWN_PSK_IDENTITY: 630 return (TLS1_AD_UNKNOWN_PSK_IDENTITY); 631 default: 632 return (-1); 633 } 634 } 635