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) || (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
153 mac_secret = &(p[0]);
154 n = i + i;
155 key = &(p[n]);
156 n += j + j;
157 iv = &(p[n]);
158 n += k + k;
159 } else {
160 n = i;
161 mac_secret = &(p[n]);
162 n += i + j;
163 key = &(p[n]);
164 n += j + k;
165 iv = &(p[n]);
166 n += k;
167 }
168
169 if (n > s->s3.tmp.key_block_length) {
170 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
171 goto err;
172 }
173
174 switch (EVP_CIPHER_get_mode(c)) {
175 case EVP_CIPH_GCM_MODE:
176 taglen = EVP_GCM_TLS_TAG_LEN;
177 break;
178 case EVP_CIPH_CCM_MODE:
179 if ((s->s3.tmp.new_cipher->algorithm_enc
180 & (SSL_AES128CCM8 | SSL_AES256CCM8))
181 != 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 {
246 BIO_printf(trc_out, "which = %04X, key:\n", which);
247 BIO_dump_indent(trc_out, key, EVP_CIPHER_get_key_length(c), 4);
248 BIO_printf(trc_out, "iv:\n");
249 BIO_dump_indent(trc_out, iv, k, 4);
250 }
251 OSSL_TRACE_END(TLS);
252
253 return 1;
254 err:
255 return 0;
256 }
257
tls1_setup_key_block(SSL_CONNECTION * s)258 int tls1_setup_key_block(SSL_CONNECTION *s)
259 {
260 unsigned char *p;
261 const EVP_CIPHER *c;
262 const EVP_MD *hash;
263 SSL_COMP *comp;
264 int mac_type = NID_undef;
265 size_t num, mac_secret_size = 0;
266 int ret = 0;
267 int ivlen;
268
269 if (s->s3.tmp.key_block_length != 0)
270 return 1;
271
272 if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
273 &mac_type, &mac_secret_size, &comp,
274 s->ext.use_etm)) {
275 /* Error is already recorded */
276 SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
277 return 0;
278 }
279
280 ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
281 s->s3.tmp.new_sym_enc = c;
282 ssl_evp_md_free(s->s3.tmp.new_hash);
283 s->s3.tmp.new_hash = hash;
284 s->s3.tmp.new_mac_pkey_type = mac_type;
285 s->s3.tmp.new_mac_secret_size = mac_secret_size;
286 ivlen = tls_iv_length_within_key_block(c);
287 if (ivlen < 0) {
288 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
289 return 0;
290 }
291 num = mac_secret_size + EVP_CIPHER_get_key_length(c) + ivlen;
292 num *= 2;
293
294 ssl3_cleanup_key_block(s);
295
296 if ((p = OPENSSL_malloc(num)) == NULL) {
297 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
298 goto err;
299 }
300
301 s->s3.tmp.key_block_length = num;
302 s->s3.tmp.key_block = p;
303
304 OSSL_TRACE_BEGIN(TLS)
305 {
306 BIO_printf(trc_out, "key block length: %zu\n", num);
307 BIO_printf(trc_out, "client random\n");
308 BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
309 BIO_printf(trc_out, "server random\n");
310 BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
311 BIO_printf(trc_out, "master key\n");
312 BIO_dump_indent(trc_out,
313 s->session->master_key,
314 s->session->master_key_length, 4);
315 }
316 OSSL_TRACE_END(TLS);
317
318 if (!tls1_generate_key_block(s, p, num)) {
319 /* SSLfatal() already called */
320 goto err;
321 }
322
323 OSSL_TRACE_BEGIN(TLS)
324 {
325 BIO_printf(trc_out, "key block\n");
326 BIO_dump_indent(trc_out, p, num, 4);
327 }
328 OSSL_TRACE_END(TLS);
329
330 ret = 1;
331 err:
332 return ret;
333 }
334
tls1_final_finish_mac(SSL_CONNECTION * s,const char * str,size_t slen,unsigned char * out)335 size_t tls1_final_finish_mac(SSL_CONNECTION *s, const char *str,
336 size_t slen, unsigned char *out)
337 {
338 size_t hashlen;
339 unsigned char hash[EVP_MAX_MD_SIZE];
340 size_t finished_size = TLS1_FINISH_MAC_LENGTH;
341
342 if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kGOST18)
343 finished_size = 32;
344
345 if (!ssl3_digest_cached_records(s, 0)) {
346 /* SSLfatal() already called */
347 return 0;
348 }
349
350 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
351 /* SSLfatal() already called */
352 return 0;
353 }
354
355 if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
356 s->session->master_key, s->session->master_key_length,
357 out, finished_size, 1)) {
358 /* SSLfatal() already called */
359 return 0;
360 }
361 OPENSSL_cleanse(hash, hashlen);
362 return finished_size;
363 }
364
tls1_generate_master_secret(SSL_CONNECTION * s,unsigned char * out,unsigned char * p,size_t len,size_t * secret_size)365 int tls1_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
366 unsigned char *p, size_t len,
367 size_t *secret_size)
368 {
369 if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
370 unsigned char hash[EVP_MAX_MD_SIZE * 2];
371 size_t hashlen;
372 /*
373 * Digest cached records keeping record buffer (if present): this won't
374 * affect client auth because we're freezing the buffer at the same
375 * point (after client key exchange and before certificate verify)
376 */
377 if (!ssl3_digest_cached_records(s, 1)
378 || !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
379 /* SSLfatal() already called */
380 return 0;
381 }
382 OSSL_TRACE_BEGIN(TLS)
383 {
384 BIO_printf(trc_out, "Handshake hashes:\n");
385 BIO_dump(trc_out, (char *)hash, hashlen);
386 }
387 OSSL_TRACE_END(TLS);
388 if (!tls1_PRF(s,
389 TLS_MD_EXTENDED_MASTER_SECRET_CONST,
390 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
391 hash, hashlen,
392 NULL, 0,
393 NULL, 0,
394 NULL, 0, p, len, out,
395 SSL3_MASTER_SECRET_SIZE, 1)) {
396 /* SSLfatal() already called */
397 return 0;
398 }
399 OPENSSL_cleanse(hash, hashlen);
400 } else {
401 if (!tls1_PRF(s,
402 TLS_MD_MASTER_SECRET_CONST,
403 TLS_MD_MASTER_SECRET_CONST_SIZE,
404 s->s3.client_random, SSL3_RANDOM_SIZE,
405 NULL, 0,
406 s->s3.server_random, SSL3_RANDOM_SIZE,
407 NULL, 0, p, len, out,
408 SSL3_MASTER_SECRET_SIZE, 1)) {
409 /* SSLfatal() already called */
410 return 0;
411 }
412 }
413
414 OSSL_TRACE_BEGIN(TLS)
415 {
416 BIO_printf(trc_out, "Premaster Secret:\n");
417 BIO_dump_indent(trc_out, p, len, 4);
418 BIO_printf(trc_out, "Client Random:\n");
419 BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
420 BIO_printf(trc_out, "Server Random:\n");
421 BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
422 BIO_printf(trc_out, "Master Secret:\n");
423 BIO_dump_indent(trc_out,
424 s->session->master_key,
425 SSL3_MASTER_SECRET_SIZE, 4);
426 }
427 OSSL_TRACE_END(TLS);
428
429 *secret_size = SSL3_MASTER_SECRET_SIZE;
430 return 1;
431 }
432
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)433 int tls1_export_keying_material(SSL_CONNECTION *s, unsigned char *out,
434 size_t olen, const char *label, size_t llen,
435 const unsigned char *context,
436 size_t contextlen, int use_context)
437 {
438 unsigned char *val = NULL;
439 size_t vallen = 0, currentvalpos;
440 int rv = 0;
441
442 /*
443 * RFC 5705 embeds context length as uint16; reject longer context
444 * before proceeding.
445 */
446 if (contextlen > 0xffff) {
447 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
448 return 0;
449 }
450
451 /*
452 * construct PRF arguments we construct the PRF argument ourself rather
453 * than passing separate values into the TLS PRF to ensure that the
454 * concatenation of values does not create a prohibited label.
455 */
456 vallen = llen + SSL3_RANDOM_SIZE * 2;
457 if (use_context) {
458 vallen += 2 + contextlen;
459 }
460
461 val = OPENSSL_malloc(vallen);
462 if (val == NULL)
463 goto ret;
464 currentvalpos = 0;
465 memcpy(val + currentvalpos, (unsigned char *)label, llen);
466 currentvalpos += llen;
467 memcpy(val + currentvalpos, s->s3.client_random, SSL3_RANDOM_SIZE);
468 currentvalpos += SSL3_RANDOM_SIZE;
469 memcpy(val + currentvalpos, s->s3.server_random, SSL3_RANDOM_SIZE);
470 currentvalpos += SSL3_RANDOM_SIZE;
471
472 if (use_context) {
473 val[currentvalpos] = (contextlen >> 8) & 0xff;
474 currentvalpos++;
475 val[currentvalpos] = contextlen & 0xff;
476 currentvalpos++;
477 if ((contextlen > 0) || (context != NULL)) {
478 memcpy(val + currentvalpos, context, contextlen);
479 }
480 }
481
482 /*
483 * disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited
484 * label len) = 15, so size of val > max(prohibited label len) = 15 and
485 * the comparisons won't have buffer overflow
486 */
487 if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
488 TLS_MD_CLIENT_FINISH_CONST_SIZE)
489 == 0)
490 goto err1;
491 if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
492 TLS_MD_SERVER_FINISH_CONST_SIZE)
493 == 0)
494 goto err1;
495 if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
496 TLS_MD_MASTER_SECRET_CONST_SIZE)
497 == 0)
498 goto err1;
499 if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
500 TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE)
501 == 0)
502 goto err1;
503 if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
504 TLS_MD_KEY_EXPANSION_CONST_SIZE)
505 == 0)
506 goto err1;
507
508 rv = tls1_PRF(s,
509 val, vallen,
510 NULL, 0,
511 NULL, 0,
512 NULL, 0,
513 NULL, 0,
514 s->session->master_key, s->session->master_key_length,
515 out, olen, 0);
516
517 goto ret;
518 err1:
519 ERR_raise(ERR_LIB_SSL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
520 ret:
521 OPENSSL_clear_free(val, vallen);
522 return rv;
523 }
524
tls1_alert_code(int code)525 int tls1_alert_code(int code)
526 {
527 switch (code) {
528 case SSL_AD_CLOSE_NOTIFY:
529 return SSL3_AD_CLOSE_NOTIFY;
530 case SSL_AD_UNEXPECTED_MESSAGE:
531 return SSL3_AD_UNEXPECTED_MESSAGE;
532 case SSL_AD_BAD_RECORD_MAC:
533 return SSL3_AD_BAD_RECORD_MAC;
534 case SSL_AD_DECRYPTION_FAILED:
535 return TLS1_AD_DECRYPTION_FAILED;
536 case SSL_AD_RECORD_OVERFLOW:
537 return TLS1_AD_RECORD_OVERFLOW;
538 case SSL_AD_DECOMPRESSION_FAILURE:
539 return SSL3_AD_DECOMPRESSION_FAILURE;
540 case SSL_AD_HANDSHAKE_FAILURE:
541 return SSL3_AD_HANDSHAKE_FAILURE;
542 case SSL_AD_NO_CERTIFICATE:
543 return -1;
544 case SSL_AD_BAD_CERTIFICATE:
545 return SSL3_AD_BAD_CERTIFICATE;
546 case SSL_AD_UNSUPPORTED_CERTIFICATE:
547 return SSL3_AD_UNSUPPORTED_CERTIFICATE;
548 case SSL_AD_CERTIFICATE_REVOKED:
549 return SSL3_AD_CERTIFICATE_REVOKED;
550 case SSL_AD_CERTIFICATE_EXPIRED:
551 return SSL3_AD_CERTIFICATE_EXPIRED;
552 case SSL_AD_CERTIFICATE_UNKNOWN:
553 return SSL3_AD_CERTIFICATE_UNKNOWN;
554 case SSL_AD_ILLEGAL_PARAMETER:
555 return SSL3_AD_ILLEGAL_PARAMETER;
556 case SSL_AD_UNKNOWN_CA:
557 return TLS1_AD_UNKNOWN_CA;
558 case SSL_AD_ACCESS_DENIED:
559 return TLS1_AD_ACCESS_DENIED;
560 case SSL_AD_DECODE_ERROR:
561 return TLS1_AD_DECODE_ERROR;
562 case SSL_AD_DECRYPT_ERROR:
563 return TLS1_AD_DECRYPT_ERROR;
564 case SSL_AD_EXPORT_RESTRICTION:
565 return TLS1_AD_EXPORT_RESTRICTION;
566 case SSL_AD_PROTOCOL_VERSION:
567 return TLS1_AD_PROTOCOL_VERSION;
568 case SSL_AD_INSUFFICIENT_SECURITY:
569 return TLS1_AD_INSUFFICIENT_SECURITY;
570 case SSL_AD_INTERNAL_ERROR:
571 return TLS1_AD_INTERNAL_ERROR;
572 case SSL_AD_USER_CANCELLED:
573 return TLS1_AD_USER_CANCELLED;
574 case SSL_AD_NO_RENEGOTIATION:
575 return TLS1_AD_NO_RENEGOTIATION;
576 case SSL_AD_UNSUPPORTED_EXTENSION:
577 return TLS1_AD_UNSUPPORTED_EXTENSION;
578 case SSL_AD_CERTIFICATE_UNOBTAINABLE:
579 return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
580 case SSL_AD_UNRECOGNIZED_NAME:
581 return TLS1_AD_UNRECOGNIZED_NAME;
582 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
583 return TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
584 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
585 return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE;
586 case SSL_AD_UNKNOWN_PSK_IDENTITY:
587 return TLS1_AD_UNKNOWN_PSK_IDENTITY;
588 case SSL_AD_INAPPROPRIATE_FALLBACK:
589 return TLS1_AD_INAPPROPRIATE_FALLBACK;
590 case SSL_AD_NO_APPLICATION_PROTOCOL:
591 return TLS1_AD_NO_APPLICATION_PROTOCOL;
592 case SSL_AD_CERTIFICATE_REQUIRED:
593 return SSL_AD_HANDSHAKE_FAILURE;
594 case TLS13_AD_MISSING_EXTENSION:
595 return SSL_AD_HANDSHAKE_FAILURE;
596 default:
597 return -1;
598 }
599 }
600