1 /*
2 * Copyright 1995-2021 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 <openssl/evp.h>
14 #include <openssl/md5.h>
15 #include <openssl/core_names.h>
16 #include "internal/cryptlib.h"
17
ssl3_generate_key_block(SSL_CONNECTION * s,unsigned char * km,int num)18 static int ssl3_generate_key_block(SSL_CONNECTION *s, unsigned char *km, int num)
19 {
20 const EVP_MD *md5 = NULL, *sha1 = NULL;
21 EVP_MD_CTX *m5;
22 EVP_MD_CTX *s1;
23 unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
24 unsigned char c = 'A';
25 unsigned int i, k;
26 int ret = 0;
27 SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
28
29 #ifdef CHARSET_EBCDIC
30 c = os_toascii[c]; /* 'A' in ASCII */
31 #endif
32 k = 0;
33 md5 = ssl_evp_md_fetch(sctx->libctx, NID_md5, sctx->propq);
34 sha1 = ssl_evp_md_fetch(sctx->libctx, NID_sha1, sctx->propq);
35 m5 = EVP_MD_CTX_new();
36 s1 = EVP_MD_CTX_new();
37 if (md5 == NULL || sha1 == NULL || m5 == NULL || s1 == NULL) {
38 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
39 goto err;
40 }
41 for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
42 k++;
43 if (k > sizeof(buf)) {
44 /* bug: 'buf' is too small for this ciphersuite */
45 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
46 goto err;
47 }
48
49 memset(buf, c, k);
50 c++;
51 if (!EVP_DigestInit_ex(s1, sha1, NULL)
52 || !EVP_DigestUpdate(s1, buf, k)
53 || !EVP_DigestUpdate(s1, s->session->master_key,
54 s->session->master_key_length)
55 || !EVP_DigestUpdate(s1, s->s3.server_random, SSL3_RANDOM_SIZE)
56 || !EVP_DigestUpdate(s1, s->s3.client_random, SSL3_RANDOM_SIZE)
57 || !EVP_DigestFinal_ex(s1, smd, NULL)
58 || !EVP_DigestInit_ex(m5, md5, NULL)
59 || !EVP_DigestUpdate(m5, s->session->master_key,
60 s->session->master_key_length)
61 || !EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH)) {
62 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
63 goto err;
64 }
65 if ((int)(i + MD5_DIGEST_LENGTH) > num) {
66 if (!EVP_DigestFinal_ex(m5, smd, NULL)) {
67 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
68 goto err;
69 }
70 memcpy(km, smd, (num - i));
71 } else {
72 if (!EVP_DigestFinal_ex(m5, km, NULL)) {
73 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
74 goto err;
75 }
76 }
77
78 km += MD5_DIGEST_LENGTH;
79 }
80 OPENSSL_cleanse(smd, sizeof(smd));
81 ret = 1;
82 err:
83 EVP_MD_CTX_free(m5);
84 EVP_MD_CTX_free(s1);
85 ssl_evp_md_free(md5);
86 ssl_evp_md_free(sha1);
87 return ret;
88 }
89
ssl3_change_cipher_state(SSL_CONNECTION * s,int which)90 int ssl3_change_cipher_state(SSL_CONNECTION *s, int which)
91 {
92 unsigned char *p, *mac_secret;
93 size_t md_len;
94 unsigned char *key, *iv;
95 EVP_CIPHER_CTX *dd;
96 const EVP_CIPHER *ciph;
97 const SSL_COMP *comp = NULL;
98 const EVP_MD *md;
99 int mdi;
100 size_t n, iv_len, key_len;
101 int reuse_dd = 0;
102
103 ciph = s->s3.tmp.new_sym_enc;
104 md = s->s3.tmp.new_hash;
105 /* m == NULL will lead to a crash later */
106 if (!ossl_assert(md != NULL)) {
107 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
108 goto err;
109 }
110 #ifndef OPENSSL_NO_COMP
111 comp = s->s3.tmp.new_compression;
112 #endif
113
114 p = s->s3.tmp.key_block;
115 mdi = EVP_MD_get_size(md);
116 if (mdi < 0) {
117 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
118 goto err;
119 }
120 md_len = (size_t)mdi;
121 key_len = EVP_CIPHER_get_key_length(ciph);
122 iv_len = EVP_CIPHER_get_iv_length(ciph);
123 if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
124 (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
125 mac_secret = &(p[0]);
126 n = md_len + md_len;
127 key = &(p[n]);
128 n += key_len + key_len;
129 iv = &(p[n]);
130 n += iv_len + iv_len;
131 } else {
132 n = md_len;
133 mac_secret = &(p[n]);
134 n += md_len + key_len;
135 key = &(p[n]);
136 n += key_len + iv_len;
137 iv = &(p[n]);
138 n += iv_len;
139 }
140
141 if (n > s->s3.tmp.key_block_length) {
142 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
143 goto err;
144 }
145
146 if (which & SSL3_CC_READ) {
147 if (!ssl_set_new_record_layer(s, SSL3_VERSION,
148 OSSL_RECORD_DIRECTION_READ,
149 OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
150 key, key_len, iv, iv_len, mac_secret,
151 md_len, ciph, 0, NID_undef, md, comp)) {
152 /* SSLfatal already called */
153 goto err;
154 }
155
156 s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
157 return 1;
158 }
159
160 s->statem.enc_write_state = ENC_WRITE_STATE_INVALID;
161 if (s->enc_write_ctx != NULL) {
162 reuse_dd = 1;
163 } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
164 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
165 goto err;
166 } else {
167 /* make sure it's initialised in case we exit later with an error */
168 EVP_CIPHER_CTX_reset(s->enc_write_ctx);
169 }
170 dd = s->enc_write_ctx;
171 if (ssl_replace_hash(&s->write_hash, md) == NULL) {
172 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
173 goto err;
174 }
175 #ifndef OPENSSL_NO_COMP
176 /* COMPRESS */
177 COMP_CTX_free(s->compress);
178 s->compress = NULL;
179 if (comp != NULL) {
180 s->compress = COMP_CTX_new(comp->method);
181 if (s->compress == NULL) {
182 SSLfatal(s, SSL_AD_INTERNAL_ERROR,
183 SSL_R_COMPRESSION_LIBRARY_ERROR);
184 goto err;
185 }
186 }
187 #endif
188 RECORD_LAYER_reset_write_sequence(&s->rlayer);
189 memcpy(&(s->s3.write_mac_secret[0]), mac_secret, md_len);
190
191 if (reuse_dd)
192 EVP_CIPHER_CTX_reset(dd);
193
194 if (!EVP_CipherInit_ex(dd, ciph, NULL, key, iv, (which & SSL3_CC_WRITE))) {
195 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
196 goto err;
197 }
198
199 if (EVP_CIPHER_get0_provider(ciph) != NULL
200 && !tls_provider_set_tls_params(s, dd, ciph, md)) {
201 /* SSLfatal already called */
202 goto err;
203 }
204
205 s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
206 return 1;
207 err:
208 return 0;
209 }
210
ssl3_setup_key_block(SSL_CONNECTION * s)211 int ssl3_setup_key_block(SSL_CONNECTION *s)
212 {
213 unsigned char *p;
214 const EVP_CIPHER *c;
215 const EVP_MD *hash;
216 int num;
217 int ret = 0;
218 SSL_COMP *comp;
219
220 if (s->s3.tmp.key_block_length != 0)
221 return 1;
222
223 if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
224 NULL, NULL, &comp, 0)) {
225 /* Error is already recorded */
226 SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
227 return 0;
228 }
229
230 ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
231 s->s3.tmp.new_sym_enc = c;
232 ssl_evp_md_free(s->s3.tmp.new_hash);
233 s->s3.tmp.new_hash = hash;
234 #ifdef OPENSSL_NO_COMP
235 s->s3.tmp.new_compression = NULL;
236 #else
237 s->s3.tmp.new_compression = comp;
238 #endif
239
240 num = EVP_MD_get_size(hash);
241 if (num < 0)
242 return 0;
243
244 num = EVP_CIPHER_get_key_length(c) + num + EVP_CIPHER_get_iv_length(c);
245 num *= 2;
246
247 ssl3_cleanup_key_block(s);
248
249 if ((p = OPENSSL_malloc(num)) == NULL) {
250 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
251 return 0;
252 }
253
254 s->s3.tmp.key_block_length = num;
255 s->s3.tmp.key_block = p;
256
257 /* Calls SSLfatal() as required */
258 ret = ssl3_generate_key_block(s, p, num);
259
260 if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
261 /*
262 * enable vulnerability countermeasure for CBC ciphers with known-IV
263 * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
264 */
265 s->s3.need_empty_fragments = 1;
266
267 if (s->session->cipher != NULL) {
268 if (s->session->cipher->algorithm_enc == SSL_eNULL)
269 s->s3.need_empty_fragments = 0;
270
271 if (s->session->cipher->algorithm_enc == SSL_RC4)
272 s->s3.need_empty_fragments = 0;
273 }
274 }
275
276 return ret;
277 }
278
ssl3_cleanup_key_block(SSL_CONNECTION * s)279 void ssl3_cleanup_key_block(SSL_CONNECTION *s)
280 {
281 OPENSSL_clear_free(s->s3.tmp.key_block, s->s3.tmp.key_block_length);
282 s->s3.tmp.key_block = NULL;
283 s->s3.tmp.key_block_length = 0;
284 }
285
ssl3_init_finished_mac(SSL_CONNECTION * s)286 int ssl3_init_finished_mac(SSL_CONNECTION *s)
287 {
288 BIO *buf = BIO_new(BIO_s_mem());
289
290 if (buf == NULL) {
291 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
292 return 0;
293 }
294 ssl3_free_digest_list(s);
295 s->s3.handshake_buffer = buf;
296 (void)BIO_set_close(s->s3.handshake_buffer, BIO_CLOSE);
297 return 1;
298 }
299
300 /*
301 * Free digest list. Also frees handshake buffer since they are always freed
302 * together.
303 */
304
ssl3_free_digest_list(SSL_CONNECTION * s)305 void ssl3_free_digest_list(SSL_CONNECTION *s)
306 {
307 BIO_free(s->s3.handshake_buffer);
308 s->s3.handshake_buffer = NULL;
309 EVP_MD_CTX_free(s->s3.handshake_dgst);
310 s->s3.handshake_dgst = NULL;
311 }
312
ssl3_finish_mac(SSL_CONNECTION * s,const unsigned char * buf,size_t len)313 int ssl3_finish_mac(SSL_CONNECTION *s, const unsigned char *buf, size_t len)
314 {
315 int ret;
316
317 if (s->s3.handshake_dgst == NULL) {
318 /* Note: this writes to a memory BIO so a failure is a fatal error */
319 if (len > INT_MAX) {
320 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_OVERFLOW_ERROR);
321 return 0;
322 }
323 ret = BIO_write(s->s3.handshake_buffer, (void *)buf, (int)len);
324 if (ret <= 0 || ret != (int)len) {
325 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
326 return 0;
327 }
328 } else {
329 ret = EVP_DigestUpdate(s->s3.handshake_dgst, buf, len);
330 if (!ret) {
331 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
332 return 0;
333 }
334 }
335 return 1;
336 }
337
ssl3_digest_cached_records(SSL_CONNECTION * s,int keep)338 int ssl3_digest_cached_records(SSL_CONNECTION *s, int keep)
339 {
340 const EVP_MD *md;
341 long hdatalen;
342 void *hdata;
343
344 if (s->s3.handshake_dgst == NULL) {
345 hdatalen = BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
346 if (hdatalen <= 0) {
347 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_LENGTH);
348 return 0;
349 }
350
351 s->s3.handshake_dgst = EVP_MD_CTX_new();
352 if (s->s3.handshake_dgst == NULL) {
353 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
354 return 0;
355 }
356
357 md = ssl_handshake_md(s);
358 if (md == NULL) {
359 SSLfatal(s, SSL_AD_INTERNAL_ERROR,
360 SSL_R_NO_SUITABLE_DIGEST_ALGORITHM);
361 return 0;
362 }
363 if (!EVP_DigestInit_ex(s->s3.handshake_dgst, md, NULL)
364 || !EVP_DigestUpdate(s->s3.handshake_dgst, hdata, hdatalen)) {
365 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
366 return 0;
367 }
368 }
369 if (keep == 0) {
370 BIO_free(s->s3.handshake_buffer);
371 s->s3.handshake_buffer = NULL;
372 }
373
374 return 1;
375 }
376
ssl3_digest_master_key_set_params(const SSL_SESSION * session,OSSL_PARAM params[])377 void ssl3_digest_master_key_set_params(const SSL_SESSION *session,
378 OSSL_PARAM params[])
379 {
380 int n = 0;
381 params[n++] = OSSL_PARAM_construct_octet_string(OSSL_DIGEST_PARAM_SSL3_MS,
382 (void *)session->master_key,
383 session->master_key_length);
384 params[n++] = OSSL_PARAM_construct_end();
385 }
386
ssl3_final_finish_mac(SSL_CONNECTION * s,const char * sender,size_t len,unsigned char * p)387 size_t ssl3_final_finish_mac(SSL_CONNECTION *s, const char *sender, size_t len,
388 unsigned char *p)
389 {
390 int ret;
391 EVP_MD_CTX *ctx = NULL;
392
393 if (!ssl3_digest_cached_records(s, 0)) {
394 /* SSLfatal() already called */
395 return 0;
396 }
397
398 if (EVP_MD_CTX_get_type(s->s3.handshake_dgst) != NID_md5_sha1) {
399 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_REQUIRED_DIGEST);
400 return 0;
401 }
402
403 ctx = EVP_MD_CTX_new();
404 if (ctx == NULL) {
405 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
406 return 0;
407 }
408 if (!EVP_MD_CTX_copy_ex(ctx, s->s3.handshake_dgst)) {
409 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
410 ret = 0;
411 goto err;
412 }
413
414 ret = EVP_MD_CTX_get_size(ctx);
415 if (ret < 0) {
416 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
417 ret = 0;
418 goto err;
419 }
420
421 if (sender != NULL) {
422 OSSL_PARAM digest_cmd_params[3];
423
424 ssl3_digest_master_key_set_params(s->session, digest_cmd_params);
425
426 if (EVP_DigestUpdate(ctx, sender, len) <= 0
427 || EVP_MD_CTX_set_params(ctx, digest_cmd_params) <= 0
428 || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
429 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
430 ret = 0;
431 }
432 }
433
434 err:
435 EVP_MD_CTX_free(ctx);
436
437 return ret;
438 }
439
ssl3_generate_master_secret(SSL_CONNECTION * s,unsigned char * out,unsigned char * p,size_t len,size_t * secret_size)440 int ssl3_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
441 unsigned char *p,
442 size_t len, size_t *secret_size)
443 {
444 static const unsigned char *salt[3] = {
445 #ifndef CHARSET_EBCDIC
446 (const unsigned char *)"A",
447 (const unsigned char *)"BB",
448 (const unsigned char *)"CCC",
449 #else
450 (const unsigned char *)"\x41",
451 (const unsigned char *)"\x42\x42",
452 (const unsigned char *)"\x43\x43\x43",
453 #endif
454 };
455 unsigned char buf[EVP_MAX_MD_SIZE];
456 EVP_MD_CTX *ctx = EVP_MD_CTX_new();
457 int i, ret = 1;
458 unsigned int n;
459 size_t ret_secret_size = 0;
460
461 if (ctx == NULL) {
462 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
463 return 0;
464 }
465 for (i = 0; i < 3; i++) {
466 if (EVP_DigestInit_ex(ctx, SSL_CONNECTION_GET_CTX(s)->sha1, NULL) <= 0
467 || EVP_DigestUpdate(ctx, salt[i],
468 strlen((const char *)salt[i])) <= 0
469 || EVP_DigestUpdate(ctx, p, len) <= 0
470 || EVP_DigestUpdate(ctx, &(s->s3.client_random[0]),
471 SSL3_RANDOM_SIZE) <= 0
472 || EVP_DigestUpdate(ctx, &(s->s3.server_random[0]),
473 SSL3_RANDOM_SIZE) <= 0
474 || EVP_DigestFinal_ex(ctx, buf, &n) <= 0
475 || EVP_DigestInit_ex(ctx, SSL_CONNECTION_GET_CTX(s)->md5, NULL) <= 0
476 || EVP_DigestUpdate(ctx, p, len) <= 0
477 || EVP_DigestUpdate(ctx, buf, n) <= 0
478 || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
479 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
480 ret = 0;
481 break;
482 }
483 out += n;
484 ret_secret_size += n;
485 }
486 EVP_MD_CTX_free(ctx);
487
488 OPENSSL_cleanse(buf, sizeof(buf));
489 if (ret)
490 *secret_size = ret_secret_size;
491 return ret;
492 }
493
ssl3_alert_code(int code)494 int ssl3_alert_code(int code)
495 {
496 switch (code) {
497 case SSL_AD_CLOSE_NOTIFY:
498 return SSL3_AD_CLOSE_NOTIFY;
499 case SSL_AD_UNEXPECTED_MESSAGE:
500 return SSL3_AD_UNEXPECTED_MESSAGE;
501 case SSL_AD_BAD_RECORD_MAC:
502 return SSL3_AD_BAD_RECORD_MAC;
503 case SSL_AD_DECRYPTION_FAILED:
504 return SSL3_AD_BAD_RECORD_MAC;
505 case SSL_AD_RECORD_OVERFLOW:
506 return SSL3_AD_BAD_RECORD_MAC;
507 case SSL_AD_DECOMPRESSION_FAILURE:
508 return SSL3_AD_DECOMPRESSION_FAILURE;
509 case SSL_AD_HANDSHAKE_FAILURE:
510 return SSL3_AD_HANDSHAKE_FAILURE;
511 case SSL_AD_NO_CERTIFICATE:
512 return SSL3_AD_NO_CERTIFICATE;
513 case SSL_AD_BAD_CERTIFICATE:
514 return SSL3_AD_BAD_CERTIFICATE;
515 case SSL_AD_UNSUPPORTED_CERTIFICATE:
516 return SSL3_AD_UNSUPPORTED_CERTIFICATE;
517 case SSL_AD_CERTIFICATE_REVOKED:
518 return SSL3_AD_CERTIFICATE_REVOKED;
519 case SSL_AD_CERTIFICATE_EXPIRED:
520 return SSL3_AD_CERTIFICATE_EXPIRED;
521 case SSL_AD_CERTIFICATE_UNKNOWN:
522 return SSL3_AD_CERTIFICATE_UNKNOWN;
523 case SSL_AD_ILLEGAL_PARAMETER:
524 return SSL3_AD_ILLEGAL_PARAMETER;
525 case SSL_AD_UNKNOWN_CA:
526 return SSL3_AD_BAD_CERTIFICATE;
527 case SSL_AD_ACCESS_DENIED:
528 return SSL3_AD_HANDSHAKE_FAILURE;
529 case SSL_AD_DECODE_ERROR:
530 return SSL3_AD_HANDSHAKE_FAILURE;
531 case SSL_AD_DECRYPT_ERROR:
532 return SSL3_AD_HANDSHAKE_FAILURE;
533 case SSL_AD_EXPORT_RESTRICTION:
534 return SSL3_AD_HANDSHAKE_FAILURE;
535 case SSL_AD_PROTOCOL_VERSION:
536 return SSL3_AD_HANDSHAKE_FAILURE;
537 case SSL_AD_INSUFFICIENT_SECURITY:
538 return SSL3_AD_HANDSHAKE_FAILURE;
539 case SSL_AD_INTERNAL_ERROR:
540 return SSL3_AD_HANDSHAKE_FAILURE;
541 case SSL_AD_USER_CANCELLED:
542 return SSL3_AD_HANDSHAKE_FAILURE;
543 case SSL_AD_NO_RENEGOTIATION:
544 return -1; /* Don't send it :-) */
545 case SSL_AD_UNSUPPORTED_EXTENSION:
546 return SSL3_AD_HANDSHAKE_FAILURE;
547 case SSL_AD_CERTIFICATE_UNOBTAINABLE:
548 return SSL3_AD_HANDSHAKE_FAILURE;
549 case SSL_AD_UNRECOGNIZED_NAME:
550 return SSL3_AD_HANDSHAKE_FAILURE;
551 case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
552 return SSL3_AD_HANDSHAKE_FAILURE;
553 case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
554 return SSL3_AD_HANDSHAKE_FAILURE;
555 case SSL_AD_UNKNOWN_PSK_IDENTITY:
556 return TLS1_AD_UNKNOWN_PSK_IDENTITY;
557 case SSL_AD_INAPPROPRIATE_FALLBACK:
558 return TLS1_AD_INAPPROPRIATE_FALLBACK;
559 case SSL_AD_NO_APPLICATION_PROTOCOL:
560 return TLS1_AD_NO_APPLICATION_PROTOCOL;
561 case SSL_AD_CERTIFICATE_REQUIRED:
562 return SSL_AD_HANDSHAKE_FAILURE;
563 case TLS13_AD_MISSING_EXTENSION:
564 return SSL_AD_HANDSHAKE_FAILURE;
565 default:
566 return -1;
567 }
568 }
569
