2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
13 #include <openssl/comp.h>
14 #include <openssl/evp.h>
15 #include <openssl/kdf.h>
16 #include <openssl/rand.h>
18 /* seed1 through seed5 are concatenated */
19 static int tls1_PRF(SSL *s,
20 const void *seed1, size_t seed1_len,
21 const void *seed2, size_t seed2_len,
22 const void *seed3, size_t seed3_len,
23 const void *seed4, size_t seed4_len,
24 const void *seed5, size_t seed5_len,
25 const unsigned char *sec, size_t slen,
26 unsigned char *out, size_t olen)
28 const EVP_MD *md = ssl_prf_md(s);
29 EVP_PKEY_CTX *pctx = NULL;
34 /* Should never happen */
35 SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
38 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
39 if (pctx == NULL || EVP_PKEY_derive_init(pctx) <= 0
40 || EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) <= 0
41 || EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, (int)slen) <= 0)
44 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, (int)seed1_len) <= 0)
46 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, (int)seed2_len) <= 0)
48 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, (int)seed3_len) <= 0)
50 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, (int)seed4_len) <= 0)
52 if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, (int)seed5_len) <= 0)
55 if (EVP_PKEY_derive(pctx, out, &olen) <= 0)
60 EVP_PKEY_CTX_free(pctx);
64 static int tls1_generate_key_block(SSL *s, unsigned char *km, size_t num)
68 TLS_MD_KEY_EXPANSION_CONST,
69 TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random,
70 SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE,
71 NULL, 0, NULL, 0, s->session->master_key,
72 s->session->master_key_length, km, num);
77 int tls1_change_cipher_state(SSL *s, int which)
79 unsigned char *p, *mac_secret;
80 unsigned char tmp1[EVP_MAX_KEY_LENGTH];
81 unsigned char tmp2[EVP_MAX_KEY_LENGTH];
82 unsigned char iv1[EVP_MAX_IV_LENGTH * 2];
83 unsigned char iv2[EVP_MAX_IV_LENGTH * 2];
84 unsigned char *ms, *key, *iv;
87 #ifndef OPENSSL_NO_COMP
92 size_t *mac_secret_size;
95 size_t n, i, j, k, cl;
98 c = s->s3->tmp.new_sym_enc;
99 m = s->s3->tmp.new_hash;
100 mac_type = s->s3->tmp.new_mac_pkey_type;
101 #ifndef OPENSSL_NO_COMP
102 comp = s->s3->tmp.new_compression;
105 if (which & SSL3_CC_READ) {
107 s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
109 s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
111 if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
112 s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
114 s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
116 if (s->enc_read_ctx != NULL) {
118 } else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) {
119 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
120 ERR_R_MALLOC_FAILURE);
124 * make sure it's initialised in case we exit later with an error
126 EVP_CIPHER_CTX_reset(s->enc_read_ctx);
128 dd = s->enc_read_ctx;
129 mac_ctx = ssl_replace_hash(&s->read_hash, NULL);
132 #ifndef OPENSSL_NO_COMP
133 COMP_CTX_free(s->expand);
136 s->expand = COMP_CTX_new(comp->method);
137 if (s->expand == NULL) {
138 SSLfatal(s, SSL_AD_INTERNAL_ERROR,
139 SSL_F_TLS1_CHANGE_CIPHER_STATE,
140 SSL_R_COMPRESSION_LIBRARY_ERROR);
146 * this is done by dtls1_reset_seq_numbers for DTLS
149 RECORD_LAYER_reset_read_sequence(&s->rlayer);
150 mac_secret = &(s->s3->read_mac_secret[0]);
151 mac_secret_size = &(s->s3->read_mac_secret_size);
154 s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
156 s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
158 if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
159 s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
161 s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
162 if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s)) {
164 } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
165 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
166 ERR_R_MALLOC_FAILURE);
169 dd = s->enc_write_ctx;
170 if (SSL_IS_DTLS(s)) {
171 mac_ctx = EVP_MD_CTX_new();
172 if (mac_ctx == NULL) {
173 SSLfatal(s, SSL_AD_INTERNAL_ERROR,
174 SSL_F_TLS1_CHANGE_CIPHER_STATE,
175 ERR_R_MALLOC_FAILURE);
178 s->write_hash = mac_ctx;
180 mac_ctx = ssl_replace_hash(&s->write_hash, NULL);
181 if (mac_ctx == NULL) {
182 SSLfatal(s, SSL_AD_INTERNAL_ERROR,
183 SSL_F_TLS1_CHANGE_CIPHER_STATE,
184 ERR_R_MALLOC_FAILURE);
188 #ifndef OPENSSL_NO_COMP
189 COMP_CTX_free(s->compress);
192 s->compress = COMP_CTX_new(comp->method);
193 if (s->compress == NULL) {
194 SSLfatal(s, SSL_AD_INTERNAL_ERROR,
195 SSL_F_TLS1_CHANGE_CIPHER_STATE,
196 SSL_R_COMPRESSION_LIBRARY_ERROR);
202 * this is done by dtls1_reset_seq_numbers for DTLS
205 RECORD_LAYER_reset_write_sequence(&s->rlayer);
206 mac_secret = &(s->s3->write_mac_secret[0]);
207 mac_secret_size = &(s->s3->write_mac_secret_size);
211 EVP_CIPHER_CTX_reset(dd);
213 p = s->s3->tmp.key_block;
214 i = *mac_secret_size = s->s3->tmp.new_mac_secret_size;
216 /* TODO(size_t): convert me */
217 cl = EVP_CIPHER_key_length(c);
219 /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */
220 /* If GCM/CCM mode only part of IV comes from PRF */
221 if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
222 k = EVP_GCM_TLS_FIXED_IV_LEN;
223 else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE)
224 k = EVP_CCM_TLS_FIXED_IV_LEN;
226 k = EVP_CIPHER_iv_length(c);
227 if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
228 (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
245 if (n > s->s3->tmp.key_block_length) {
246 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
247 ERR_R_INTERNAL_ERROR);
251 memcpy(mac_secret, ms, i);
253 if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) {
254 /* TODO(size_t): Convert this function */
255 mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
256 mac_secret, (int)*mac_secret_size);
258 || EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key) <= 0) {
259 EVP_PKEY_free(mac_key);
260 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
261 ERR_R_INTERNAL_ERROR);
264 EVP_PKEY_free(mac_key);
267 printf("which = %04X\nmac key=", which);
270 for (z = 0; z < i; z++)
271 printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n');
275 if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) {
276 if (!EVP_CipherInit_ex(dd, c, NULL, key, NULL, (which & SSL3_CC_WRITE))
277 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, (int)k,
279 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
280 ERR_R_INTERNAL_ERROR);
283 } else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) {
286 new_cipher->algorithm_enc & (SSL_AES128CCM8 | SSL_AES256CCM8))
287 taglen = EVP_CCM8_TLS_TAG_LEN;
289 taglen = EVP_CCM_TLS_TAG_LEN;
290 if (!EVP_CipherInit_ex(dd, c, NULL, NULL, NULL, (which & SSL3_CC_WRITE))
291 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_IVLEN, 12, NULL)
292 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_TAG, taglen, NULL)
293 || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_CCM_SET_IV_FIXED, (int)k, iv)
294 || !EVP_CipherInit_ex(dd, NULL, NULL, key, NULL, -1)) {
295 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
296 ERR_R_INTERNAL_ERROR);
300 if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
301 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
302 ERR_R_INTERNAL_ERROR);
306 /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
307 if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size
308 && !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY,
309 (int)*mac_secret_size, mac_secret)) {
310 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
311 ERR_R_INTERNAL_ERROR);
316 printf("which = %04X\nkey=", which);
319 for (z = 0; z < EVP_CIPHER_key_length(c); z++)
320 printf("%02X%c", key[z], ((z + 1) % 16) ? ' ' : '\n');
325 for (z = 0; z < k; z++)
326 printf("%02X%c", iv[z], ((z + 1) % 16) ? ' ' : '\n');
331 OPENSSL_cleanse(tmp1, sizeof(tmp1));
332 OPENSSL_cleanse(tmp2, sizeof(tmp1));
333 OPENSSL_cleanse(iv1, sizeof(iv1));
334 OPENSSL_cleanse(iv2, sizeof(iv2));
337 OPENSSL_cleanse(tmp1, sizeof(tmp1));
338 OPENSSL_cleanse(tmp2, sizeof(tmp1));
339 OPENSSL_cleanse(iv1, sizeof(iv1));
340 OPENSSL_cleanse(iv2, sizeof(iv2));
344 int tls1_setup_key_block(SSL *s)
350 int mac_type = NID_undef;
351 size_t num, mac_secret_size = 0;
354 if (s->s3->tmp.key_block_length != 0)
357 if (!ssl_cipher_get_evp(s->session, &c, &hash, &mac_type, &mac_secret_size,
358 &comp, s->ext.use_etm)) {
359 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_SETUP_KEY_BLOCK,
360 SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
364 s->s3->tmp.new_sym_enc = c;
365 s->s3->tmp.new_hash = hash;
366 s->s3->tmp.new_mac_pkey_type = mac_type;
367 s->s3->tmp.new_mac_secret_size = mac_secret_size;
368 num = EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c);
371 ssl3_cleanup_key_block(s);
373 if ((p = OPENSSL_malloc(num)) == NULL) {
374 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_SETUP_KEY_BLOCK,
375 ERR_R_MALLOC_FAILURE);
379 s->s3->tmp.key_block_length = num;
380 s->s3->tmp.key_block = p;
383 printf("client random\n");
386 for (z = 0; z < SSL3_RANDOM_SIZE; z++)
387 printf("%02X%c", s->s3->client_random[z],
388 ((z + 1) % 16) ? ' ' : '\n');
390 printf("server random\n");
393 for (z = 0; z < SSL3_RANDOM_SIZE; z++)
394 printf("%02X%c", s->s3->server_random[z],
395 ((z + 1) % 16) ? ' ' : '\n');
397 printf("master key\n");
400 for (z = 0; z < s->session->master_key_length; z++)
401 printf("%02X%c", s->session->master_key[z],
402 ((z + 1) % 16) ? ' ' : '\n');
405 if (!tls1_generate_key_block(s, p, num))
408 printf("\nkey block\n");
411 for (z = 0; z < num; z++)
412 printf("%02X%c", p[z], ((z + 1) % 16) ? ' ' : '\n');
416 if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
417 && s->method->version <= TLS1_VERSION) {
419 * enable vulnerability countermeasure for CBC ciphers with known-IV
420 * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
422 s->s3->need_empty_fragments = 1;
424 if (s->session->cipher != NULL) {
425 if (s->session->cipher->algorithm_enc == SSL_eNULL)
426 s->s3->need_empty_fragments = 0;
428 #ifndef OPENSSL_NO_RC4
429 if (s->session->cipher->algorithm_enc == SSL_RC4)
430 s->s3->need_empty_fragments = 0;
440 size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen,
444 unsigned char hash[EVP_MAX_MD_SIZE];
446 if (!ssl3_digest_cached_records(s, 0))
449 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen))
452 if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
453 s->session->master_key, s->session->master_key_length,
454 out, TLS1_FINISH_MAC_LENGTH))
456 OPENSSL_cleanse(hash, hashlen);
457 return TLS1_FINISH_MAC_LENGTH;
460 int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
461 size_t len, size_t *secret_size)
463 if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
464 unsigned char hash[EVP_MAX_MD_SIZE * 2];
467 * Digest cached records keeping record buffer (if present): this wont
468 * affect client auth because we're freezing the buffer at the same
469 * point (after client key exchange and before certificate verify)
471 if (!ssl3_digest_cached_records(s, 1)
472 || !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
473 /* SSLfatal() already called */
477 fprintf(stderr, "Handshake hashes:\n");
478 BIO_dump_fp(stderr, (char *)hash, hashlen);
481 TLS_MD_EXTENDED_MASTER_SECRET_CONST,
482 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
486 NULL, 0, p, len, out,
487 SSL3_MASTER_SECRET_SIZE);
488 OPENSSL_cleanse(hash, hashlen);
491 TLS_MD_MASTER_SECRET_CONST,
492 TLS_MD_MASTER_SECRET_CONST_SIZE,
493 s->s3->client_random, SSL3_RANDOM_SIZE,
495 s->s3->server_random, SSL3_RANDOM_SIZE,
496 NULL, 0, p, len, out,
497 SSL3_MASTER_SECRET_SIZE);
500 fprintf(stderr, "Premaster Secret:\n");
501 BIO_dump_fp(stderr, (char *)p, len);
502 fprintf(stderr, "Client Random:\n");
503 BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE);
504 fprintf(stderr, "Server Random:\n");
505 BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE);
506 fprintf(stderr, "Master Secret:\n");
507 BIO_dump_fp(stderr, (char *)s->session->master_key,
508 SSL3_MASTER_SECRET_SIZE);
511 *secret_size = SSL3_MASTER_SECRET_SIZE;
515 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
516 const char *label, size_t llen,
517 const unsigned char *context,
518 size_t contextlen, int use_context)
520 unsigned char *val = NULL;
521 size_t vallen = 0, currentvalpos;
525 * construct PRF arguments we construct the PRF argument ourself rather
526 * than passing separate values into the TLS PRF to ensure that the
527 * concatenation of values does not create a prohibited label.
529 vallen = llen + SSL3_RANDOM_SIZE * 2;
531 vallen += 2 + contextlen;
534 val = OPENSSL_malloc(vallen);
538 memcpy(val + currentvalpos, (unsigned char *)label, llen);
539 currentvalpos += llen;
540 memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE);
541 currentvalpos += SSL3_RANDOM_SIZE;
542 memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE);
543 currentvalpos += SSL3_RANDOM_SIZE;
546 val[currentvalpos] = (contextlen >> 8) & 0xff;
548 val[currentvalpos] = contextlen & 0xff;
550 if ((contextlen > 0) || (context != NULL)) {
551 memcpy(val + currentvalpos, context, contextlen);
556 * disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited
557 * label len) = 15, so size of val > max(prohibited label len) = 15 and
558 * the comparisons won't have buffer overflow
560 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
561 TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0)
563 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
564 TLS_MD_SERVER_FINISH_CONST_SIZE) == 0)
566 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
567 TLS_MD_MASTER_SECRET_CONST_SIZE) == 0)
569 if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
570 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0)
572 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
573 TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
582 s->session->master_key, s->session->master_key_length,
587 SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
591 SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
594 OPENSSL_clear_free(val, vallen);
598 int tls1_alert_code(int code)
601 case SSL_AD_CLOSE_NOTIFY:
602 return SSL3_AD_CLOSE_NOTIFY;
603 case SSL_AD_UNEXPECTED_MESSAGE:
604 return SSL3_AD_UNEXPECTED_MESSAGE;
605 case SSL_AD_BAD_RECORD_MAC:
606 return SSL3_AD_BAD_RECORD_MAC;
607 case SSL_AD_DECRYPTION_FAILED:
608 return TLS1_AD_DECRYPTION_FAILED;
609 case SSL_AD_RECORD_OVERFLOW:
610 return TLS1_AD_RECORD_OVERFLOW;
611 case SSL_AD_DECOMPRESSION_FAILURE:
612 return SSL3_AD_DECOMPRESSION_FAILURE;
613 case SSL_AD_HANDSHAKE_FAILURE:
614 return SSL3_AD_HANDSHAKE_FAILURE;
615 case SSL_AD_NO_CERTIFICATE:
617 case SSL_AD_BAD_CERTIFICATE:
618 return SSL3_AD_BAD_CERTIFICATE;
619 case SSL_AD_UNSUPPORTED_CERTIFICATE:
620 return SSL3_AD_UNSUPPORTED_CERTIFICATE;
621 case SSL_AD_CERTIFICATE_REVOKED:
622 return SSL3_AD_CERTIFICATE_REVOKED;
623 case SSL_AD_CERTIFICATE_EXPIRED:
624 return SSL3_AD_CERTIFICATE_EXPIRED;
625 case SSL_AD_CERTIFICATE_UNKNOWN:
626 return SSL3_AD_CERTIFICATE_UNKNOWN;
627 case SSL_AD_ILLEGAL_PARAMETER:
628 return SSL3_AD_ILLEGAL_PARAMETER;
629 case SSL_AD_UNKNOWN_CA:
630 return TLS1_AD_UNKNOWN_CA;
631 case SSL_AD_ACCESS_DENIED:
632 return TLS1_AD_ACCESS_DENIED;
633 case SSL_AD_DECODE_ERROR:
634 return TLS1_AD_DECODE_ERROR;
635 case SSL_AD_DECRYPT_ERROR:
636 return TLS1_AD_DECRYPT_ERROR;
637 case SSL_AD_EXPORT_RESTRICTION:
638 return TLS1_AD_EXPORT_RESTRICTION;
639 case SSL_AD_PROTOCOL_VERSION:
640 return TLS1_AD_PROTOCOL_VERSION;
641 case SSL_AD_INSUFFICIENT_SECURITY:
642 return TLS1_AD_INSUFFICIENT_SECURITY;
643 case SSL_AD_INTERNAL_ERROR:
644 return TLS1_AD_INTERNAL_ERROR;
645 case SSL_AD_USER_CANCELLED:
646 return TLS1_AD_USER_CANCELLED;
647 case SSL_AD_NO_RENEGOTIATION:
648 return TLS1_AD_NO_RENEGOTIATION;
649 case SSL_AD_UNSUPPORTED_EXTENSION:
650 return TLS1_AD_UNSUPPORTED_EXTENSION;
651 case SSL_AD_CERTIFICATE_UNOBTAINABLE:
652 return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
653 case SSL_AD_UNRECOGNIZED_NAME:
654 return TLS1_AD_UNRECOGNIZED_NAME;
655 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
656 return TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
657 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
658 return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE;
659 case SSL_AD_UNKNOWN_PSK_IDENTITY:
660 return TLS1_AD_UNKNOWN_PSK_IDENTITY;
661 case SSL_AD_INAPPROPRIATE_FALLBACK:
662 return TLS1_AD_INAPPROPRIATE_FALLBACK;
663 case SSL_AD_NO_APPLICATION_PROTOCOL:
664 return TLS1_AD_NO_APPLICATION_PROTOCOL;
665 case SSL_AD_CERTIFICATE_REQUIRED:
666 return SSL_AD_HANDSHAKE_FAILURE;