1 /*
2 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
4 *
5 * Licensed under the Apache License 2.0 (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
9 */
10
11 #include <stdio.h>
12 #include "ssl_local.h"
13 #include "record/record_local.h"
14 #include "internal/ktls.h"
15 #include "internal/cryptlib.h"
16 #include "internal/ssl_unwrap.h"
17 #include <openssl/comp.h>
18 #include <openssl/evp.h>
19 #include <openssl/kdf.h>
20 #include <openssl/rand.h>
21 #include <openssl/obj_mac.h>
22 #include <openssl/core_names.h>
23 #include <openssl/trace.h>
24
25 /* seed1 through seed5 are concatenated */
tls1_PRF(SSL_CONNECTION * s,const void * seed1,size_t seed1_len,const void * seed2,size_t seed2_len,const void * seed3,size_t seed3_len,const void * seed4,size_t seed4_len,const void * seed5,size_t seed5_len,const unsigned char * sec,size_t slen,unsigned char * out,size_t olen,int fatal)26 static int tls1_PRF(SSL_CONNECTION *s,
27 const void *seed1, size_t seed1_len,
28 const void *seed2, size_t seed2_len,
29 const void *seed3, size_t seed3_len,
30 const void *seed4, size_t seed4_len,
31 const void *seed5, size_t seed5_len,
32 const unsigned char *sec, size_t slen,
33 unsigned char *out, size_t olen, int fatal)
34 {
35 const EVP_MD *md = ssl_prf_md(s);
36 EVP_KDF *kdf;
37 EVP_KDF_CTX *kctx = NULL;
38 OSSL_PARAM params[8], *p = params;
39 const char *mdname;
40
41 if (md == NULL) {
42 /* Should never happen */
43 if (fatal)
44 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
45 else
46 ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
47 return 0;
48 }
49 kdf = EVP_KDF_fetch(SSL_CONNECTION_GET_CTX(s)->libctx,
50 OSSL_KDF_NAME_TLS1_PRF,
51 SSL_CONNECTION_GET_CTX(s)->propq);
52 if (kdf == NULL)
53 goto err;
54 kctx = EVP_KDF_CTX_new(kdf);
55 EVP_KDF_free(kdf);
56 if (kctx == NULL)
57 goto err;
58 mdname = EVP_MD_get0_name(md);
59 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
60 (char *)mdname, 0);
61 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SECRET,
62 (unsigned char *)sec,
63 (size_t)slen);
64 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
65 (void *)seed1, (size_t)seed1_len);
66 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
67 (void *)seed2, (size_t)seed2_len);
68 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
69 (void *)seed3, (size_t)seed3_len);
70 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
71 (void *)seed4, (size_t)seed4_len);
72 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
73 (void *)seed5, (size_t)seed5_len);
74 *p = OSSL_PARAM_construct_end();
75 if (EVP_KDF_derive(kctx, out, olen, params)) {
76 EVP_KDF_CTX_free(kctx);
77 return 1;
78 }
79
80 err:
81 if (fatal)
82 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
83 else
84 ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
85 EVP_KDF_CTX_free(kctx);
86 return 0;
87 }
88
tls1_generate_key_block(SSL_CONNECTION * s,unsigned char * km,size_t num)89 static int tls1_generate_key_block(SSL_CONNECTION *s, unsigned char *km,
90 size_t num)
91 {
92 int ret;
93
94 /* Calls SSLfatal() as required */
95 ret = tls1_PRF(s,
96 TLS_MD_KEY_EXPANSION_CONST,
97 TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3.server_random,
98 SSL3_RANDOM_SIZE, s->s3.client_random, SSL3_RANDOM_SIZE,
99 NULL, 0, NULL, 0, s->session->master_key,
100 s->session->master_key_length, km, num, 1);
101
102 return ret;
103 }
104
tls_iv_length_within_key_block(const EVP_CIPHER * c)105 static int tls_iv_length_within_key_block(const EVP_CIPHER *c)
106 {
107 /* If GCM/CCM mode only part of IV comes from PRF */
108 if (EVP_CIPHER_get_mode(c) == EVP_CIPH_GCM_MODE)
109 return EVP_GCM_TLS_FIXED_IV_LEN;
110 else if (EVP_CIPHER_get_mode(c) == EVP_CIPH_CCM_MODE)
111 return EVP_CCM_TLS_FIXED_IV_LEN;
112 else
113 return EVP_CIPHER_get_iv_length(c);
114 }
115
tls1_change_cipher_state(SSL_CONNECTION * s,int which)116 int tls1_change_cipher_state(SSL_CONNECTION *s, int which)
117 {
118 unsigned char *p, *mac_secret;
119 unsigned char *key, *iv;
120 const EVP_CIPHER *c;
121 const SSL_COMP *comp = NULL;
122 const EVP_MD *m;
123 int mac_type;
124 size_t mac_secret_size;
125 size_t n, i, j, k, cl;
126 int iivlen;
127 /*
128 * Taglen is only relevant for CCM ciphersuites. Other ciphersuites
129 * ignore this value so we can default it to 0.
130 */
131 size_t taglen = 0;
132 int direction;
133
134 c = s->s3.tmp.new_sym_enc;
135 m = s->s3.tmp.new_hash;
136 mac_type = s->s3.tmp.new_mac_pkey_type;
137 #ifndef OPENSSL_NO_COMP
138 comp = s->s3.tmp.new_compression;
139 #endif
140
141 p = s->s3.tmp.key_block;
142 i = mac_secret_size = s->s3.tmp.new_mac_secret_size;
143
144 cl = EVP_CIPHER_get_key_length(c);
145 j = cl;
146 iivlen = tls_iv_length_within_key_block(c);
147 if (iivlen < 0) {
148 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
149 goto err;
150 }
151 k = iivlen;
152 if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
153 (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
154 mac_secret = &(p[0]);
155 n = i + i;
156 key = &(p[n]);
157 n += j + j;
158 iv = &(p[n]);
159 n += k + k;
160 } else {
161 n = i;
162 mac_secret = &(p[n]);
163 n += i + j;
164 key = &(p[n]);
165 n += j + k;
166 iv = &(p[n]);
167 n += k;
168 }
169
170 if (n > s->s3.tmp.key_block_length) {
171 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
172 goto err;
173 }
174
175 switch (EVP_CIPHER_get_mode(c)) {
176 case EVP_CIPH_GCM_MODE:
177 taglen = EVP_GCM_TLS_TAG_LEN;
178 break;
179 case EVP_CIPH_CCM_MODE:
180 if ((s->s3.tmp.new_cipher->algorithm_enc
181 & (SSL_AES128CCM8 | SSL_AES256CCM8)) != 0)
182 taglen = EVP_CCM8_TLS_TAG_LEN;
183 else
184 taglen = EVP_CCM_TLS_TAG_LEN;
185 break;
186 default:
187 if (EVP_CIPHER_is_a(c, "CHACHA20-POLY1305")) {
188 taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
189 } else {
190 /* MAC secret size corresponds to the MAC output size */
191 taglen = s->s3.tmp.new_mac_secret_size;
192 }
193 break;
194 }
195
196 if (which & SSL3_CC_READ) {
197 if (s->ext.use_etm)
198 s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
199 else
200 s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
201
202 if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
203 s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
204 else
205 s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
206
207 if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
208 s->mac_flags |= SSL_MAC_FLAG_READ_MAC_TLSTREE;
209 else
210 s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_TLSTREE;
211
212 direction = OSSL_RECORD_DIRECTION_READ;
213 } else {
214 if (s->ext.use_etm)
215 s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
216 else
217 s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
218
219 if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
220 s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
221 else
222 s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
223
224 if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
225 s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
226 else
227 s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
228
229 direction = OSSL_RECORD_DIRECTION_WRITE;
230 }
231
232 if (SSL_CONNECTION_IS_DTLS(s))
233 dtls1_increment_epoch(s, which);
234
235 if (!ssl_set_new_record_layer(s, s->version, direction,
236 OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
237 NULL, 0, key, cl, iv, (size_t)k, mac_secret,
238 mac_secret_size, c, taglen, mac_type,
239 m, comp, NULL)) {
240 /* SSLfatal already called */
241 goto err;
242 }
243
244 OSSL_TRACE_BEGIN(TLS) {
245 BIO_printf(trc_out, "which = %04X, key:\n", which);
246 BIO_dump_indent(trc_out, key, EVP_CIPHER_get_key_length(c), 4);
247 BIO_printf(trc_out, "iv:\n");
248 BIO_dump_indent(trc_out, iv, k, 4);
249 } OSSL_TRACE_END(TLS);
250
251 return 1;
252 err:
253 return 0;
254 }
255
tls1_setup_key_block(SSL_CONNECTION * s)256 int tls1_setup_key_block(SSL_CONNECTION *s)
257 {
258 unsigned char *p;
259 const EVP_CIPHER *c;
260 const EVP_MD *hash;
261 SSL_COMP *comp;
262 int mac_type = NID_undef;
263 size_t num, mac_secret_size = 0;
264 int ret = 0;
265 int ivlen;
266
267 if (s->s3.tmp.key_block_length != 0)
268 return 1;
269
270 if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
271 &mac_type, &mac_secret_size, &comp,
272 s->ext.use_etm)) {
273 /* Error is already recorded */
274 SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
275 return 0;
276 }
277
278 ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
279 s->s3.tmp.new_sym_enc = c;
280 ssl_evp_md_free(s->s3.tmp.new_hash);
281 s->s3.tmp.new_hash = hash;
282 s->s3.tmp.new_mac_pkey_type = mac_type;
283 s->s3.tmp.new_mac_secret_size = mac_secret_size;
284 ivlen = tls_iv_length_within_key_block(c);
285 if (ivlen < 0) {
286 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
287 return 0;
288 }
289 num = mac_secret_size + EVP_CIPHER_get_key_length(c) + ivlen;
290 num *= 2;
291
292 ssl3_cleanup_key_block(s);
293
294 if ((p = OPENSSL_malloc(num)) == NULL) {
295 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
296 goto err;
297 }
298
299 s->s3.tmp.key_block_length = num;
300 s->s3.tmp.key_block = p;
301
302 OSSL_TRACE_BEGIN(TLS) {
303 BIO_printf(trc_out, "key block length: %zu\n", num);
304 BIO_printf(trc_out, "client random\n");
305 BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
306 BIO_printf(trc_out, "server random\n");
307 BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
308 BIO_printf(trc_out, "master key\n");
309 BIO_dump_indent(trc_out,
310 s->session->master_key,
311 s->session->master_key_length, 4);
312 } OSSL_TRACE_END(TLS);
313
314 if (!tls1_generate_key_block(s, p, num)) {
315 /* SSLfatal() already called */
316 goto err;
317 }
318
319 OSSL_TRACE_BEGIN(TLS) {
320 BIO_printf(trc_out, "key block\n");
321 BIO_dump_indent(trc_out, p, num, 4);
322 } OSSL_TRACE_END(TLS);
323
324 ret = 1;
325 err:
326 return ret;
327 }
328
tls1_final_finish_mac(SSL_CONNECTION * s,const char * str,size_t slen,unsigned char * out)329 size_t tls1_final_finish_mac(SSL_CONNECTION *s, const char *str,
330 size_t slen, unsigned char *out)
331 {
332 size_t hashlen;
333 unsigned char hash[EVP_MAX_MD_SIZE];
334 size_t finished_size = TLS1_FINISH_MAC_LENGTH;
335
336 if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kGOST18)
337 finished_size = 32;
338
339 if (!ssl3_digest_cached_records(s, 0)) {
340 /* SSLfatal() already called */
341 return 0;
342 }
343
344 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
345 /* SSLfatal() already called */
346 return 0;
347 }
348
349 if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
350 s->session->master_key, s->session->master_key_length,
351 out, finished_size, 1)) {
352 /* SSLfatal() already called */
353 return 0;
354 }
355 OPENSSL_cleanse(hash, hashlen);
356 return finished_size;
357 }
358
tls1_generate_master_secret(SSL_CONNECTION * s,unsigned char * out,unsigned char * p,size_t len,size_t * secret_size)359 int tls1_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
360 unsigned char *p, size_t len,
361 size_t *secret_size)
362 {
363 if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
364 unsigned char hash[EVP_MAX_MD_SIZE * 2];
365 size_t hashlen;
366 /*
367 * Digest cached records keeping record buffer (if present): this won't
368 * affect client auth because we're freezing the buffer at the same
369 * point (after client key exchange and before certificate verify)
370 */
371 if (!ssl3_digest_cached_records(s, 1)
372 || !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
373 /* SSLfatal() already called */
374 return 0;
375 }
376 OSSL_TRACE_BEGIN(TLS) {
377 BIO_printf(trc_out, "Handshake hashes:\n");
378 BIO_dump(trc_out, (char *)hash, hashlen);
379 } OSSL_TRACE_END(TLS);
380 if (!tls1_PRF(s,
381 TLS_MD_EXTENDED_MASTER_SECRET_CONST,
382 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
383 hash, hashlen,
384 NULL, 0,
385 NULL, 0,
386 NULL, 0, p, len, out,
387 SSL3_MASTER_SECRET_SIZE, 1)) {
388 /* SSLfatal() already called */
389 return 0;
390 }
391 OPENSSL_cleanse(hash, hashlen);
392 } else {
393 if (!tls1_PRF(s,
394 TLS_MD_MASTER_SECRET_CONST,
395 TLS_MD_MASTER_SECRET_CONST_SIZE,
396 s->s3.client_random, SSL3_RANDOM_SIZE,
397 NULL, 0,
398 s->s3.server_random, SSL3_RANDOM_SIZE,
399 NULL, 0, p, len, out,
400 SSL3_MASTER_SECRET_SIZE, 1)) {
401 /* SSLfatal() already called */
402 return 0;
403 }
404 }
405
406 OSSL_TRACE_BEGIN(TLS) {
407 BIO_printf(trc_out, "Premaster Secret:\n");
408 BIO_dump_indent(trc_out, p, len, 4);
409 BIO_printf(trc_out, "Client Random:\n");
410 BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
411 BIO_printf(trc_out, "Server Random:\n");
412 BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
413 BIO_printf(trc_out, "Master Secret:\n");
414 BIO_dump_indent(trc_out,
415 s->session->master_key,
416 SSL3_MASTER_SECRET_SIZE, 4);
417 } OSSL_TRACE_END(TLS);
418
419 *secret_size = SSL3_MASTER_SECRET_SIZE;
420 return 1;
421 }
422
tls1_export_keying_material(SSL_CONNECTION * s,unsigned char * out,size_t olen,const char * label,size_t llen,const unsigned char * context,size_t contextlen,int use_context)423 int tls1_export_keying_material(SSL_CONNECTION *s, unsigned char *out,
424 size_t olen, const char *label, size_t llen,
425 const unsigned char *context,
426 size_t contextlen, int use_context)
427 {
428 unsigned char *val = NULL;
429 size_t vallen = 0, currentvalpos;
430 int rv = 0;
431
432 /*
433 * RFC 5705 embeds context length as uint16; reject longer context
434 * before proceeding.
435 */
436 if (contextlen > 0xffff) {
437 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
438 return 0;
439 }
440
441 /*
442 * construct PRF arguments we construct the PRF argument ourself rather
443 * than passing separate values into the TLS PRF to ensure that the
444 * concatenation of values does not create a prohibited label.
445 */
446 vallen = llen + SSL3_RANDOM_SIZE * 2;
447 if (use_context) {
448 vallen += 2 + contextlen;
449 }
450
451 val = OPENSSL_malloc(vallen);
452 if (val == NULL)
453 goto ret;
454 currentvalpos = 0;
455 memcpy(val + currentvalpos, (unsigned char *)label, llen);
456 currentvalpos += llen;
457 memcpy(val + currentvalpos, s->s3.client_random, SSL3_RANDOM_SIZE);
458 currentvalpos += SSL3_RANDOM_SIZE;
459 memcpy(val + currentvalpos, s->s3.server_random, SSL3_RANDOM_SIZE);
460 currentvalpos += SSL3_RANDOM_SIZE;
461
462 if (use_context) {
463 val[currentvalpos] = (contextlen >> 8) & 0xff;
464 currentvalpos++;
465 val[currentvalpos] = contextlen & 0xff;
466 currentvalpos++;
467 if ((contextlen > 0) || (context != NULL)) {
468 memcpy(val + currentvalpos, context, contextlen);
469 }
470 }
471
472 /*
473 * disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited
474 * label len) = 15, so size of val > max(prohibited label len) = 15 and
475 * the comparisons won't have buffer overflow
476 */
477 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
478 TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0)
479 goto err1;
480 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
481 TLS_MD_SERVER_FINISH_CONST_SIZE) == 0)
482 goto err1;
483 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
484 TLS_MD_MASTER_SECRET_CONST_SIZE) == 0)
485 goto err1;
486 if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
487 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0)
488 goto err1;
489 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
490 TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
491 goto err1;
492
493 rv = tls1_PRF(s,
494 val, vallen,
495 NULL, 0,
496 NULL, 0,
497 NULL, 0,
498 NULL, 0,
499 s->session->master_key, s->session->master_key_length,
500 out, olen, 0);
501
502 goto ret;
503 err1:
504 ERR_raise(ERR_LIB_SSL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
505 ret:
506 OPENSSL_clear_free(val, vallen);
507 return rv;
508 }
509
tls1_alert_code(int code)510 int tls1_alert_code(int code)
511 {
512 switch (code) {
513 case SSL_AD_CLOSE_NOTIFY:
514 return SSL3_AD_CLOSE_NOTIFY;
515 case SSL_AD_UNEXPECTED_MESSAGE:
516 return SSL3_AD_UNEXPECTED_MESSAGE;
517 case SSL_AD_BAD_RECORD_MAC:
518 return SSL3_AD_BAD_RECORD_MAC;
519 case SSL_AD_DECRYPTION_FAILED:
520 return TLS1_AD_DECRYPTION_FAILED;
521 case SSL_AD_RECORD_OVERFLOW:
522 return TLS1_AD_RECORD_OVERFLOW;
523 case SSL_AD_DECOMPRESSION_FAILURE:
524 return SSL3_AD_DECOMPRESSION_FAILURE;
525 case SSL_AD_HANDSHAKE_FAILURE:
526 return SSL3_AD_HANDSHAKE_FAILURE;
527 case SSL_AD_NO_CERTIFICATE:
528 return -1;
529 case SSL_AD_BAD_CERTIFICATE:
530 return SSL3_AD_BAD_CERTIFICATE;
531 case SSL_AD_UNSUPPORTED_CERTIFICATE:
532 return SSL3_AD_UNSUPPORTED_CERTIFICATE;
533 case SSL_AD_CERTIFICATE_REVOKED:
534 return SSL3_AD_CERTIFICATE_REVOKED;
535 case SSL_AD_CERTIFICATE_EXPIRED:
536 return SSL3_AD_CERTIFICATE_EXPIRED;
537 case SSL_AD_CERTIFICATE_UNKNOWN:
538 return SSL3_AD_CERTIFICATE_UNKNOWN;
539 case SSL_AD_ILLEGAL_PARAMETER:
540 return SSL3_AD_ILLEGAL_PARAMETER;
541 case SSL_AD_UNKNOWN_CA:
542 return TLS1_AD_UNKNOWN_CA;
543 case SSL_AD_ACCESS_DENIED:
544 return TLS1_AD_ACCESS_DENIED;
545 case SSL_AD_DECODE_ERROR:
546 return TLS1_AD_DECODE_ERROR;
547 case SSL_AD_DECRYPT_ERROR:
548 return TLS1_AD_DECRYPT_ERROR;
549 case SSL_AD_EXPORT_RESTRICTION:
550 return TLS1_AD_EXPORT_RESTRICTION;
551 case SSL_AD_PROTOCOL_VERSION:
552 return TLS1_AD_PROTOCOL_VERSION;
553 case SSL_AD_INSUFFICIENT_SECURITY:
554 return TLS1_AD_INSUFFICIENT_SECURITY;
555 case SSL_AD_INTERNAL_ERROR:
556 return TLS1_AD_INTERNAL_ERROR;
557 case SSL_AD_USER_CANCELLED:
558 return TLS1_AD_USER_CANCELLED;
559 case SSL_AD_NO_RENEGOTIATION:
560 return TLS1_AD_NO_RENEGOTIATION;
561 case SSL_AD_UNSUPPORTED_EXTENSION:
562 return TLS1_AD_UNSUPPORTED_EXTENSION;
563 case SSL_AD_CERTIFICATE_UNOBTAINABLE:
564 return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
565 case SSL_AD_UNRECOGNIZED_NAME:
566 return TLS1_AD_UNRECOGNIZED_NAME;
567 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
568 return TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
569 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
570 return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE;
571 case SSL_AD_UNKNOWN_PSK_IDENTITY:
572 return TLS1_AD_UNKNOWN_PSK_IDENTITY;
573 case SSL_AD_INAPPROPRIATE_FALLBACK:
574 return TLS1_AD_INAPPROPRIATE_FALLBACK;
575 case SSL_AD_NO_APPLICATION_PROTOCOL:
576 return TLS1_AD_NO_APPLICATION_PROTOCOL;
577 case SSL_AD_CERTIFICATE_REQUIRED:
578 return SSL_AD_HANDSHAKE_FAILURE;
579 case TLS13_AD_MISSING_EXTENSION:
580 return SSL_AD_HANDSHAKE_FAILURE;
581 default:
582 return -1;
583 }
584 }
585