2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
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.
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.
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.
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
139 #include "ssl_locl.h"
140 #include <openssl/evp.h>
141 #include <openssl/md5.h>
143 static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
147 unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
148 unsigned char c = 'A';
149 unsigned int i, j, k;
152 #ifdef CHARSET_EBCDIC
153 c = os_toascii[c]; /* 'A' in ASCII */
156 m5 = EVP_MD_CTX_new();
157 s1 = EVP_MD_CTX_new();
158 if (m5 == NULL || s1 == NULL) {
159 SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
162 EVP_MD_CTX_set_flags(m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
163 for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
165 if (k > sizeof buf) {
166 /* bug: 'buf' is too small for this ciphersuite */
167 SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
171 for (j = 0; j < k; j++)
174 EVP_DigestInit_ex(s1, EVP_sha1(), NULL);
175 EVP_DigestUpdate(s1, buf, k);
176 EVP_DigestUpdate(s1, s->session->master_key,
177 s->session->master_key_length);
178 EVP_DigestUpdate(s1, s->s3->server_random, SSL3_RANDOM_SIZE);
179 EVP_DigestUpdate(s1, s->s3->client_random, SSL3_RANDOM_SIZE);
180 EVP_DigestFinal_ex(s1, smd, NULL);
182 EVP_DigestInit_ex(m5, EVP_md5(), NULL);
183 EVP_DigestUpdate(m5, s->session->master_key,
184 s->session->master_key_length);
185 EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH);
186 if ((int)(i + MD5_DIGEST_LENGTH) > num) {
187 EVP_DigestFinal_ex(m5, smd, NULL);
188 memcpy(km, smd, (num - i));
190 EVP_DigestFinal_ex(m5, km, NULL);
192 km += MD5_DIGEST_LENGTH;
194 OPENSSL_cleanse(smd, sizeof(smd));
202 int ssl3_change_cipher_state(SSL *s, int which)
204 unsigned char *p, *mac_secret;
205 unsigned char exp_key[EVP_MAX_KEY_LENGTH];
206 unsigned char exp_iv[EVP_MAX_IV_LENGTH];
207 unsigned char *ms, *key, *iv;
210 #ifndef OPENSSL_NO_COMP
217 c = s->s3->tmp.new_sym_enc;
218 m = s->s3->tmp.new_hash;
219 /* m == NULL will lead to a crash later */
221 #ifndef OPENSSL_NO_COMP
222 if (s->s3->tmp.new_compression == NULL)
225 comp = s->s3->tmp.new_compression->method;
228 if (which & SSL3_CC_READ) {
229 if (s->enc_read_ctx != NULL)
231 else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL)
235 * make sure it's intialized in case we exit later with an error
237 EVP_CIPHER_CTX_reset(s->enc_read_ctx);
238 dd = s->enc_read_ctx;
240 if (ssl_replace_hash(&s->read_hash, m) == NULL) {
241 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
244 #ifndef OPENSSL_NO_COMP
246 COMP_CTX_free(s->expand);
249 s->expand = COMP_CTX_new(comp);
250 if (s->expand == NULL) {
251 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
252 SSL_R_COMPRESSION_LIBRARY_ERROR);
255 if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
259 RECORD_LAYER_reset_read_sequence(&s->rlayer);
260 mac_secret = &(s->s3->read_mac_secret[0]);
262 if (s->enc_write_ctx != NULL)
264 else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
268 * make sure it's intialized in case we exit later with an error
270 EVP_CIPHER_CTX_reset(s->enc_write_ctx);
271 dd = s->enc_write_ctx;
272 if (ssl_replace_hash(&s->write_hash, m) == NULL) {
273 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
276 #ifndef OPENSSL_NO_COMP
278 COMP_CTX_free(s->compress);
281 s->compress = COMP_CTX_new(comp);
282 if (s->compress == NULL) {
283 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
284 SSL_R_COMPRESSION_LIBRARY_ERROR);
289 RECORD_LAYER_reset_write_sequence(&s->rlayer);
290 mac_secret = &(s->s3->write_mac_secret[0]);
294 EVP_CIPHER_CTX_reset(dd);
296 p = s->s3->tmp.key_block;
300 cl = EVP_CIPHER_key_length(c);
302 k = EVP_CIPHER_iv_length(c);
303 if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
304 (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
321 if (n > s->s3->tmp.key_block_length) {
322 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
326 memcpy(mac_secret, ms, i);
328 EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE));
330 #ifdef OPENSSL_SSL_TRACE_CRYPTO
331 if (s->msg_callback) {
333 int wh = which & SSL3_CC_WRITE ?
334 TLS1_RT_CRYPTO_WRITE : TLS1_RT_CRYPTO_READ;
335 s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
336 mac_secret, EVP_MD_size(m), s, s->msg_callback_arg);
338 s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
339 key, c->key_len, s, s->msg_callback_arg);
341 s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_IV,
342 iv, k, s, s->msg_callback_arg);
347 OPENSSL_cleanse(exp_key, sizeof(exp_key));
348 OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
351 SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
353 OPENSSL_cleanse(exp_key, sizeof(exp_key));
354 OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
358 int ssl3_setup_key_block(SSL *s)
367 if (s->s3->tmp.key_block_length != 0)
370 if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) {
371 SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
375 s->s3->tmp.new_sym_enc = c;
376 s->s3->tmp.new_hash = hash;
377 #ifdef OPENSSL_NO_COMP
378 s->s3->tmp.new_compression = NULL;
380 s->s3->tmp.new_compression = comp;
383 num = EVP_MD_size(hash);
387 num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c);
390 ssl3_cleanup_key_block(s);
392 if ((p = OPENSSL_malloc(num)) == NULL)
395 s->s3->tmp.key_block_length = num;
396 s->s3->tmp.key_block = p;
398 ret = ssl3_generate_key_block(s, p, num);
400 if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
402 * enable vulnerability countermeasure for CBC ciphers with known-IV
403 * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
405 s->s3->need_empty_fragments = 1;
407 if (s->session->cipher != NULL) {
408 if (s->session->cipher->algorithm_enc == SSL_eNULL)
409 s->s3->need_empty_fragments = 0;
411 #ifndef OPENSSL_NO_RC4
412 if (s->session->cipher->algorithm_enc == SSL_RC4)
413 s->s3->need_empty_fragments = 0;
421 SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
425 void ssl3_cleanup_key_block(SSL *s)
427 OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
428 s->s3->tmp.key_block = NULL;
429 s->s3->tmp.key_block_length = 0;
432 void ssl3_init_finished_mac(SSL *s)
434 ssl3_free_digest_list(s);
435 s->s3->handshake_buffer = BIO_new(BIO_s_mem());
436 (void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
440 * Free digest list. Also frees handshake buffer since they are always freed
444 void ssl3_free_digest_list(SSL *s)
446 BIO_free(s->s3->handshake_buffer);
447 s->s3->handshake_buffer = NULL;
448 EVP_MD_CTX_free(s->s3->handshake_dgst);
449 s->s3->handshake_dgst = NULL;
452 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
454 if (s->s3->handshake_dgst == NULL)
455 BIO_write(s->s3->handshake_buffer, (void *)buf, len);
457 EVP_DigestUpdate(s->s3->handshake_dgst, buf, len);
460 int ssl3_digest_cached_records(SSL *s, int keep)
466 if (s->s3->handshake_dgst == NULL) {
467 hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
469 SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
473 s->s3->handshake_dgst = EVP_MD_CTX_new();
474 if (s->s3->handshake_dgst == NULL) {
475 SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_MALLOC_FAILURE);
479 md = ssl_handshake_md(s);
481 SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_INTERNAL_ERROR);
485 EVP_DigestInit_ex(s->s3->handshake_dgst, md, NULL);
486 EVP_DigestUpdate(s->s3->handshake_dgst, hdata, hdatalen);
490 BIO_free(s->s3->handshake_buffer);
491 s->s3->handshake_buffer = NULL;
497 int ssl3_final_finish_mac(SSL *s, const char *sender, int len, unsigned char *p)
500 EVP_MD_CTX *ctx = NULL;
502 if (!ssl3_digest_cached_records(s, 0))
505 if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) {
506 SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, SSL_R_NO_REQUIRED_DIGEST);
510 ctx = EVP_MD_CTX_new();
512 SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_MALLOC_FAILURE);
515 EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst);
517 ret = EVP_MD_CTX_size(ctx);
519 EVP_MD_CTX_reset(ctx);
523 if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0)
524 || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
525 s->session->master_key_length,
526 s->session->master_key) <= 0
527 || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
528 SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_INTERNAL_ERROR);
532 EVP_MD_CTX_free(ctx);
537 int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
540 static const unsigned char *salt[3] = {
541 #ifndef CHARSET_EBCDIC
542 (const unsigned char *)"A",
543 (const unsigned char *)"BB",
544 (const unsigned char *)"CCC",
546 (const unsigned char *)"\x41",
547 (const unsigned char *)"\x42\x42",
548 (const unsigned char *)"\x43\x43\x43",
551 unsigned char buf[EVP_MAX_MD_SIZE];
552 EVP_MD_CTX *ctx = EVP_MD_CTX_new();
555 #ifdef OPENSSL_SSL_TRACE_CRYPTO
556 unsigned char *tmpout = out;
560 SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);
563 for (i = 0; i < 3; i++) {
564 if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
565 || EVP_DigestUpdate(ctx, salt[i],
566 strlen((const char *)salt[i])) <= 0
567 || EVP_DigestUpdate(ctx, p, len) <= 0
568 || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),
569 SSL3_RANDOM_SIZE) <= 0
570 || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),
571 SSL3_RANDOM_SIZE) <= 0
572 || EVP_DigestFinal_ex(ctx, buf, &n) <= 0
574 || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0
575 || EVP_DigestUpdate(ctx, p, len) <= 0
576 || EVP_DigestUpdate(ctx, buf, n) <= 0
577 || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
578 SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
585 EVP_MD_CTX_free(ctx);
587 #ifdef OPENSSL_SSL_TRACE_CRYPTO
588 if (ret > 0 && s->msg_callback) {
589 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
590 p, len, s, s->msg_callback_arg);
591 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
592 s->s3->client_random, SSL3_RANDOM_SIZE,
593 s, s->msg_callback_arg);
594 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
595 s->s3->server_random, SSL3_RANDOM_SIZE,
596 s, s->msg_callback_arg);
597 s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
598 tmpout, SSL3_MASTER_SECRET_SIZE,
599 s, s->msg_callback_arg);
602 OPENSSL_cleanse(buf, sizeof(buf));
606 int ssl3_alert_code(int code)
609 case SSL_AD_CLOSE_NOTIFY:
610 return (SSL3_AD_CLOSE_NOTIFY);
611 case SSL_AD_UNEXPECTED_MESSAGE:
612 return (SSL3_AD_UNEXPECTED_MESSAGE);
613 case SSL_AD_BAD_RECORD_MAC:
614 return (SSL3_AD_BAD_RECORD_MAC);
615 case SSL_AD_DECRYPTION_FAILED:
616 return (SSL3_AD_BAD_RECORD_MAC);
617 case SSL_AD_RECORD_OVERFLOW:
618 return (SSL3_AD_BAD_RECORD_MAC);
619 case SSL_AD_DECOMPRESSION_FAILURE:
620 return (SSL3_AD_DECOMPRESSION_FAILURE);
621 case SSL_AD_HANDSHAKE_FAILURE:
622 return (SSL3_AD_HANDSHAKE_FAILURE);
623 case SSL_AD_NO_CERTIFICATE:
624 return (SSL3_AD_NO_CERTIFICATE);
625 case SSL_AD_BAD_CERTIFICATE:
626 return (SSL3_AD_BAD_CERTIFICATE);
627 case SSL_AD_UNSUPPORTED_CERTIFICATE:
628 return (SSL3_AD_UNSUPPORTED_CERTIFICATE);
629 case SSL_AD_CERTIFICATE_REVOKED:
630 return (SSL3_AD_CERTIFICATE_REVOKED);
631 case SSL_AD_CERTIFICATE_EXPIRED:
632 return (SSL3_AD_CERTIFICATE_EXPIRED);
633 case SSL_AD_CERTIFICATE_UNKNOWN:
634 return (SSL3_AD_CERTIFICATE_UNKNOWN);
635 case SSL_AD_ILLEGAL_PARAMETER:
636 return (SSL3_AD_ILLEGAL_PARAMETER);
637 case SSL_AD_UNKNOWN_CA:
638 return (SSL3_AD_BAD_CERTIFICATE);
639 case SSL_AD_ACCESS_DENIED:
640 return (SSL3_AD_HANDSHAKE_FAILURE);
641 case SSL_AD_DECODE_ERROR:
642 return (SSL3_AD_HANDSHAKE_FAILURE);
643 case SSL_AD_DECRYPT_ERROR:
644 return (SSL3_AD_HANDSHAKE_FAILURE);
645 case SSL_AD_EXPORT_RESTRICTION:
646 return (SSL3_AD_HANDSHAKE_FAILURE);
647 case SSL_AD_PROTOCOL_VERSION:
648 return (SSL3_AD_HANDSHAKE_FAILURE);
649 case SSL_AD_INSUFFICIENT_SECURITY:
650 return (SSL3_AD_HANDSHAKE_FAILURE);
651 case SSL_AD_INTERNAL_ERROR:
652 return (SSL3_AD_HANDSHAKE_FAILURE);
653 case SSL_AD_USER_CANCELLED:
654 return (SSL3_AD_HANDSHAKE_FAILURE);
655 case SSL_AD_NO_RENEGOTIATION:
656 return (-1); /* Don't send it :-) */
657 case SSL_AD_UNSUPPORTED_EXTENSION:
658 return (SSL3_AD_HANDSHAKE_FAILURE);
659 case SSL_AD_CERTIFICATE_UNOBTAINABLE:
660 return (SSL3_AD_HANDSHAKE_FAILURE);
661 case SSL_AD_UNRECOGNIZED_NAME:
662 return (SSL3_AD_HANDSHAKE_FAILURE);
663 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
664 return (SSL3_AD_HANDSHAKE_FAILURE);
665 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
666 return (SSL3_AD_HANDSHAKE_FAILURE);
667 case SSL_AD_UNKNOWN_PSK_IDENTITY:
668 return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
669 case SSL_AD_INAPPROPRIATE_FALLBACK:
670 return (TLS1_AD_INAPPROPRIATE_FALLBACK);