2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2005 Nokia. All rights reserved.
13 * The portions of the attached software ("Contribution") is developed by
14 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
17 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
18 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
19 * support (see RFC 4279) to OpenSSL.
21 * No patent licenses or other rights except those expressly stated in
22 * the OpenSSL open source license shall be deemed granted or received
23 * expressly, by implication, estoppel, or otherwise.
25 * No assurances are provided by Nokia that the Contribution does not
26 * infringe the patent or other intellectual property rights of any third
27 * party or that the license provides you with all the necessary rights
28 * to make use of the Contribution.
30 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
31 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
32 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
33 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
39 #include <openssl/comp.h>
40 #include <openssl/evp.h>
41 #include <openssl/kdf.h>
42 #include <openssl/rand.h>
44 /* seed1 through seed5 are concatenated */
45 static int tls1_PRF(SSL *s,
46 const void *seed1, size_t seed1_len,
47 const void *seed2, size_t seed2_len,
48 const void *seed3, size_t seed3_len,
49 const void *seed4, size_t seed4_len,
50 const void *seed5, size_t seed5_len,
51 const unsigned char *sec, size_t slen,
52 unsigned char *out, size_t olen)
54 const EVP_MD *md = ssl_prf_md(s);
55 EVP_PKEY_CTX *pctx = NULL;
60 /* Should never happen */
61 SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
64 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
65 if (pctx == NULL || EVP_PKEY_derive_init(pctx) <= 0
66 || EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) <= 0
67 || EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, (int)slen) <= 0)
70 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, (int)seed1_len) <= 0)
72 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, (int)seed2_len) <= 0)
74 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, (int)seed3_len) <= 0)
76 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, (int)seed4_len) <= 0)
78 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, (int)seed5_len) <= 0)
81 if (EVP_PKEY_derive(pctx, out, &olen) <= 0)
86 EVP_PKEY_CTX_free(pctx);
90 static int tls1_generate_key_block(SSL *s, unsigned char *km, size_t num)
94 TLS_MD_KEY_EXPANSION_CONST,
95 TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random,
96 SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE,
97 NULL, 0, NULL, 0, s->session->master_key,
98 s->session->master_key_length, km, num);
103 int tls1_change_cipher_state(SSL *s, int which)
105 unsigned char *p, *mac_secret;
106 unsigned char tmp1[EVP_MAX_KEY_LENGTH];
107 unsigned char tmp2[EVP_MAX_KEY_LENGTH];
108 unsigned char iv1[EVP_MAX_IV_LENGTH * 2];
109 unsigned char iv2[EVP_MAX_IV_LENGTH * 2];
110 unsigned char *ms, *key, *iv;
113 #ifndef OPENSSL_NO_COMP
114 const SSL_COMP *comp;
118 size_t *mac_secret_size;
121 size_t n, i, j, k, cl;
124 c = s->s3->tmp.new_sym_enc;
125 m = s->s3->tmp.new_hash;
126 mac_type = s->s3->tmp.new_mac_pkey_type;
127 #ifndef OPENSSL_NO_COMP
128 comp = s->s3->tmp.new_compression;
131 if (which & SSL3_CC_READ) {
133 s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
135 s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
137 if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
138 s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
140 s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
142 if (s->enc_read_ctx != NULL)
144 else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL)
148 * make sure it's initialised in case we exit later with an error
150 EVP_CIPHER_CTX_reset(s->enc_read_ctx);
151 dd = s->enc_read_ctx;
152 mac_ctx = ssl_replace_hash(&s->read_hash, NULL);
155 #ifndef OPENSSL_NO_COMP
156 COMP_CTX_free(s->expand);
159 s->expand = COMP_CTX_new(comp->method);
160 if (s->expand == NULL) {
161 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,
162 SSL_R_COMPRESSION_LIBRARY_ERROR);
168 * this is done by dtls1_reset_seq_numbers for DTLS
171 RECORD_LAYER_reset_read_sequence(&s->rlayer);
172 mac_secret = &(s->s3->read_mac_secret[0]);
173 mac_secret_size = &(s->s3->read_mac_secret_size);
176 s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
178 s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
180 if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
181 s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
183 s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
184 if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s))
186 else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
188 dd = s->enc_write_ctx;
189 if (SSL_IS_DTLS(s)) {
190 mac_ctx = EVP_MD_CTX_new();
193 s->write_hash = mac_ctx;
195 mac_ctx = ssl_replace_hash(&s->write_hash, NULL);
199 #ifndef OPENSSL_NO_COMP
200 COMP_CTX_free(s->compress);
203 s->compress = COMP_CTX_new(comp->method);
204 if (s->compress == NULL) {
205 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,
206 SSL_R_COMPRESSION_LIBRARY_ERROR);
212 * this is done by dtls1_reset_seq_numbers for DTLS
215 RECORD_LAYER_reset_write_sequence(&s->rlayer);
216 mac_secret = &(s->s3->write_mac_secret[0]);
217 mac_secret_size = &(s->s3->write_mac_secret_size);
221 EVP_CIPHER_CTX_reset(dd);
223 p = s->s3->tmp.key_block;
224 i = *mac_secret_size = s->s3->tmp.new_mac_secret_size;
226 /* TODO(size_t): convert me */
227 cl = EVP_CIPHER_key_length(c);
229 /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */
230 /* If GCM/CCM mode only part of IV comes from PRF */
231 if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
232 k = EVP_GCM_TLS_FIXED_IV_LEN;
233 else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE)
234 k = EVP_CCM_TLS_FIXED_IV_LEN;
236 k = EVP_CIPHER_iv_length(c);
237 if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
238 (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
255 if (n > s->s3->tmp.key_block_length) {
256 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
260 memcpy(mac_secret, ms, i);
262 if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) {
263 /* TODO(size_t): Convert this function */
264 mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
265 mac_secret, (int)*mac_secret_size);
267 || EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key) <= 0) {
268 EVP_PKEY_free(mac_key);
269 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
272 EVP_PKEY_free(mac_key);
275 printf("which = %04X\nmac key=", which);
278 for (z = 0; z < i; z++)
279 printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n');
283 if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) {
284 if (!EVP_CipherInit_ex(dd, c, NULL, key, NULL, (which & SSL3_CC_WRITE))
285 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, (int)k,
287 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
290 } else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) {
293 new_cipher->algorithm_enc & (SSL_AES128CCM8 | SSL_AES256CCM8))
294 taglen = EVP_CCM8_TLS_TAG_LEN;
296 taglen = EVP_CCM_TLS_TAG_LEN;
297 if (!EVP_CipherInit_ex(dd, c, NULL, NULL, NULL, (which & SSL3_CC_WRITE))
298 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_IVLEN, 12, NULL)
299 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_TAG, taglen, NULL)
300 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_CCM_SET_IV_FIXED, (int)k, iv)
301 || !EVP_CipherInit_ex(dd, NULL, NULL, key, NULL, -1)) {
302 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
306 if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
307 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
311 /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
312 if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size
313 && !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY,
314 (int)*mac_secret_size, mac_secret)) {
315 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
318 #ifdef OPENSSL_SSL_TRACE_CRYPTO
319 if (s->msg_callback) {
320 int wh = which & SSL3_CC_WRITE ? TLS1_RT_CRYPTO_WRITE : 0;
321 if (*mac_secret_size)
322 s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
323 mac_secret, *mac_secret_size,
324 s, s->msg_callback_arg);
326 s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
327 key, c->key_len, s, s->msg_callback_arg);
329 if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
330 wh |= TLS1_RT_CRYPTO_FIXED_IV;
332 wh |= TLS1_RT_CRYPTO_IV;
333 s->msg_callback(2, s->version, wh, iv, k, s, s->msg_callback_arg);
339 printf("which = %04X\nkey=", which);
342 for (z = 0; z < EVP_CIPHER_key_length(c); z++)
343 printf("%02X%c", key[z], ((z + 1) % 16) ? ' ' : '\n');
348 for (z = 0; z < k; z++)
349 printf("%02X%c", iv[z], ((z + 1) % 16) ? ' ' : '\n');
354 OPENSSL_cleanse(tmp1, sizeof(tmp1));
355 OPENSSL_cleanse(tmp2, sizeof(tmp1));
356 OPENSSL_cleanse(iv1, sizeof(iv1));
357 OPENSSL_cleanse(iv2, sizeof(iv2));
360 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
362 OPENSSL_cleanse(tmp1, sizeof(tmp1));
363 OPENSSL_cleanse(tmp2, sizeof(tmp1));
364 OPENSSL_cleanse(iv1, sizeof(iv1));
365 OPENSSL_cleanse(iv2, sizeof(iv2));
369 int tls1_setup_key_block(SSL *s)
375 int mac_type = NID_undef;
376 size_t num, mac_secret_size = 0;
379 if (s->s3->tmp.key_block_length != 0)
382 if (!ssl_cipher_get_evp(s->session, &c, &hash, &mac_type, &mac_secret_size,
383 &comp, s->ext.use_etm)) {
384 SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
388 s->s3->tmp.new_sym_enc = c;
389 s->s3->tmp.new_hash = hash;
390 s->s3->tmp.new_mac_pkey_type = mac_type;
391 s->s3->tmp.new_mac_secret_size = mac_secret_size;
392 num = EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c);
395 ssl3_cleanup_key_block(s);
397 if ((p = OPENSSL_malloc(num)) == NULL) {
398 SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
402 s->s3->tmp.key_block_length = num;
403 s->s3->tmp.key_block = p;
406 printf("client random\n");
409 for (z = 0; z < SSL3_RANDOM_SIZE; z++)
410 printf("%02X%c", s->s3->client_random[z],
411 ((z + 1) % 16) ? ' ' : '\n');
413 printf("server random\n");
416 for (z = 0; z < SSL3_RANDOM_SIZE; z++)
417 printf("%02X%c", s->s3->server_random[z],
418 ((z + 1) % 16) ? ' ' : '\n');
420 printf("master key\n");
423 for (z = 0; z < s->session->master_key_length; z++)
424 printf("%02X%c", s->session->master_key[z],
425 ((z + 1) % 16) ? ' ' : '\n');
428 if (!tls1_generate_key_block(s, p, num))
431 printf("\nkey block\n");
434 for (z = 0; z < num; z++)
435 printf("%02X%c", p[z], ((z + 1) % 16) ? ' ' : '\n');
439 if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
440 && s->method->version <= TLS1_VERSION) {
442 * enable vulnerability countermeasure for CBC ciphers with known-IV
443 * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
445 s->s3->need_empty_fragments = 1;
447 if (s->session->cipher != NULL) {
448 if (s->session->cipher->algorithm_enc == SSL_eNULL)
449 s->s3->need_empty_fragments = 0;
451 #ifndef OPENSSL_NO_RC4
452 if (s->session->cipher->algorithm_enc == SSL_RC4)
453 s->s3->need_empty_fragments = 0;
463 size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen,
467 unsigned char hash[EVP_MAX_MD_SIZE];
469 if (!ssl3_digest_cached_records(s, 0))
472 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen))
475 if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
476 s->session->master_key, s->session->master_key_length,
477 out, TLS1_FINISH_MAC_LENGTH))
479 OPENSSL_cleanse(hash, hashlen);
480 return TLS1_FINISH_MAC_LENGTH;
483 int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
484 size_t len, size_t *secret_size)
486 if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
487 unsigned char hash[EVP_MAX_MD_SIZE * 2];
490 * Digest cached records keeping record buffer (if present): this wont
491 * affect client auth because we're freezing the buffer at the same
492 * point (after client key exchange and before certificate verify)
494 if (!ssl3_digest_cached_records(s, 1))
496 if(!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen))
499 fprintf(stderr, "Handshake hashes:\n");
500 BIO_dump_fp(stderr, (char *)hash, hashlen);
503 TLS_MD_EXTENDED_MASTER_SECRET_CONST,
504 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
508 NULL, 0, p, len, s->session->master_key,
509 SSL3_MASTER_SECRET_SIZE);
510 OPENSSL_cleanse(hash, hashlen);
513 TLS_MD_MASTER_SECRET_CONST,
514 TLS_MD_MASTER_SECRET_CONST_SIZE,
515 s->s3->client_random, SSL3_RANDOM_SIZE,
517 s->s3->server_random, SSL3_RANDOM_SIZE,
518 NULL, 0, p, len, s->session->master_key,
519 SSL3_MASTER_SECRET_SIZE);
522 fprintf(stderr, "Premaster Secret:\n");
523 BIO_dump_fp(stderr, (char *)p, len);
524 fprintf(stderr, "Client Random:\n");
525 BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE);
526 fprintf(stderr, "Server Random:\n");
527 BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE);
528 fprintf(stderr, "Master Secret:\n");
529 BIO_dump_fp(stderr, (char *)s->session->master_key,
530 SSL3_MASTER_SECRET_SIZE);
533 #ifdef OPENSSL_SSL_TRACE_CRYPTO
534 if (s->msg_callback) {
535 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
536 p, len, s, s->msg_callback_arg);
537 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
538 s->s3->client_random, SSL3_RANDOM_SIZE,
539 s, s->msg_callback_arg);
540 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
541 s->s3->server_random, SSL3_RANDOM_SIZE,
542 s, s->msg_callback_arg);
543 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
544 s->session->master_key,
545 SSL3_MASTER_SECRET_SIZE, s, s->msg_callback_arg);
549 *secret_size = SSL3_MASTER_SECRET_SIZE;
553 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
554 const char *label, size_t llen,
555 const unsigned char *context,
556 size_t contextlen, int use_context)
558 unsigned char *val = NULL;
559 size_t vallen = 0, currentvalpos;
563 * construct PRF arguments we construct the PRF argument ourself rather
564 * than passing separate values into the TLS PRF to ensure that the
565 * concatenation of values does not create a prohibited label.
567 vallen = llen + SSL3_RANDOM_SIZE * 2;
569 vallen += 2 + contextlen;
572 val = OPENSSL_malloc(vallen);
576 memcpy(val + currentvalpos, (unsigned char *)label, llen);
577 currentvalpos += llen;
578 memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE);
579 currentvalpos += SSL3_RANDOM_SIZE;
580 memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE);
581 currentvalpos += SSL3_RANDOM_SIZE;
584 val[currentvalpos] = (contextlen >> 8) & 0xff;
586 val[currentvalpos] = contextlen & 0xff;
588 if ((contextlen > 0) || (context != NULL)) {
589 memcpy(val + currentvalpos, context, contextlen);
594 * disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited
595 * label len) = 15, so size of val > max(prohibited label len) = 15 and
596 * the comparisons won't have buffer overflow
598 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
599 TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0)
601 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
602 TLS_MD_SERVER_FINISH_CONST_SIZE) == 0)
604 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
605 TLS_MD_MASTER_SECRET_CONST_SIZE) == 0)
607 if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
608 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0)
610 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
611 TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
620 s->session->master_key, s->session->master_key_length,
625 SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
629 SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
632 OPENSSL_clear_free(val, vallen);
636 int tls1_alert_code(int code)
639 case SSL_AD_CLOSE_NOTIFY:
640 return (SSL3_AD_CLOSE_NOTIFY);
641 case SSL_AD_UNEXPECTED_MESSAGE:
642 return (SSL3_AD_UNEXPECTED_MESSAGE);
643 case SSL_AD_BAD_RECORD_MAC:
644 return (SSL3_AD_BAD_RECORD_MAC);
645 case SSL_AD_DECRYPTION_FAILED:
646 return (TLS1_AD_DECRYPTION_FAILED);
647 case SSL_AD_RECORD_OVERFLOW:
648 return (TLS1_AD_RECORD_OVERFLOW);
649 case SSL_AD_DECOMPRESSION_FAILURE:
650 return (SSL3_AD_DECOMPRESSION_FAILURE);
651 case SSL_AD_HANDSHAKE_FAILURE:
652 return (SSL3_AD_HANDSHAKE_FAILURE);
653 case SSL_AD_NO_CERTIFICATE:
655 case SSL_AD_BAD_CERTIFICATE:
656 return (SSL3_AD_BAD_CERTIFICATE);
657 case SSL_AD_UNSUPPORTED_CERTIFICATE:
658 return (SSL3_AD_UNSUPPORTED_CERTIFICATE);
659 case SSL_AD_CERTIFICATE_REVOKED:
660 return (SSL3_AD_CERTIFICATE_REVOKED);
661 case SSL_AD_CERTIFICATE_EXPIRED:
662 return (SSL3_AD_CERTIFICATE_EXPIRED);
663 case SSL_AD_CERTIFICATE_UNKNOWN:
664 return (SSL3_AD_CERTIFICATE_UNKNOWN);
665 case SSL_AD_ILLEGAL_PARAMETER:
666 return (SSL3_AD_ILLEGAL_PARAMETER);
667 case SSL_AD_UNKNOWN_CA:
668 return (TLS1_AD_UNKNOWN_CA);
669 case SSL_AD_ACCESS_DENIED:
670 return (TLS1_AD_ACCESS_DENIED);
671 case SSL_AD_DECODE_ERROR:
672 return (TLS1_AD_DECODE_ERROR);
673 case SSL_AD_DECRYPT_ERROR:
674 return (TLS1_AD_DECRYPT_ERROR);
675 case SSL_AD_EXPORT_RESTRICTION:
676 return (TLS1_AD_EXPORT_RESTRICTION);
677 case SSL_AD_PROTOCOL_VERSION:
678 return (TLS1_AD_PROTOCOL_VERSION);
679 case SSL_AD_INSUFFICIENT_SECURITY:
680 return (TLS1_AD_INSUFFICIENT_SECURITY);
681 case SSL_AD_INTERNAL_ERROR:
682 return (TLS1_AD_INTERNAL_ERROR);
683 case SSL_AD_USER_CANCELLED:
684 return (TLS1_AD_USER_CANCELLED);
685 case SSL_AD_NO_RENEGOTIATION:
686 return (TLS1_AD_NO_RENEGOTIATION);
687 case SSL_AD_UNSUPPORTED_EXTENSION:
688 return (TLS1_AD_UNSUPPORTED_EXTENSION);
689 case SSL_AD_CERTIFICATE_UNOBTAINABLE:
690 return (TLS1_AD_CERTIFICATE_UNOBTAINABLE);
691 case SSL_AD_UNRECOGNIZED_NAME:
692 return (TLS1_AD_UNRECOGNIZED_NAME);
693 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
694 return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE);
695 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
696 return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE);
697 case SSL_AD_UNKNOWN_PSK_IDENTITY:
698 return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
699 case SSL_AD_INAPPROPRIATE_FALLBACK:
700 return (TLS1_AD_INAPPROPRIATE_FALLBACK);
701 case SSL_AD_NO_APPLICATION_PROTOCOL:
702 return (TLS1_AD_NO_APPLICATION_PROTOCOL);
703 case SSL_AD_CERTIFICATE_REQUIRED:
704 return SSL_AD_HANDSHAKE_FAILURE;