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d02b48c6 | 1 | /* ssl/s3_enc.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
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. | |
8 | * | |
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). | |
15 | * | |
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. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
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)" | |
40 | * | |
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 | |
51 | * SUCH DAMAGE. | |
52 | * | |
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.] | |
57 | */ | |
82b0bf0b | 58 | /* ==================================================================== |
52b8dad8 | 59 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
82b0bf0b BM |
60 | * |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
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 | |
71 | * distribution. | |
72 | * | |
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/)" | |
77 | * | |
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. | |
82 | * | |
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. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
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 | * ==================================================================== | |
105 | * | |
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). | |
109 | * | |
110 | */ | |
ddac1974 NL |
111 | /* ==================================================================== |
112 | * Copyright 2005 Nokia. All rights reserved. | |
113 | * | |
114 | * The portions of the attached software ("Contribution") is developed by | |
115 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
116 | * license. | |
117 | * | |
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. | |
121 | * | |
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. | |
125 | * | |
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. | |
130 | * | |
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 | |
135 | * OTHERWISE. | |
136 | */ | |
d02b48c6 RE |
137 | |
138 | #include <stdio.h> | |
d02b48c6 | 139 | #include "ssl_locl.h" |
7b63c0fa | 140 | #include <openssl/evp.h> |
dbad1690 | 141 | #include <openssl/md5.h> |
d02b48c6 RE |
142 | |
143 | static unsigned char ssl3_pad_1[48]={ | |
144 | 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
145 | 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
146 | 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
147 | 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
148 | 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, | |
149 | 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36 }; | |
150 | ||
151 | static unsigned char ssl3_pad_2[48]={ | |
152 | 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
153 | 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
154 | 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
155 | 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
156 | 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, | |
157 | 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c }; | |
81025661 | 158 | static int ssl3_handshake_mac(SSL *s, int md_nid, |
f2d9a32c | 159 | const char *sender, int len, unsigned char *p); |
027e257b | 160 | static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num) |
58964a49 | 161 | { |
323f289c DSH |
162 | EVP_MD_CTX m5; |
163 | EVP_MD_CTX s1; | |
42748c08 | 164 | unsigned char buf[16],smd[SHA_DIGEST_LENGTH]; |
58964a49 | 165 | unsigned char c='A'; |
27545970 | 166 | unsigned int i,j,k; |
58964a49 | 167 | |
ca570cfd UM |
168 | #ifdef CHARSET_EBCDIC |
169 | c = os_toascii[c]; /*'A' in ASCII */ | |
170 | #endif | |
58964a49 | 171 | k=0; |
dbad1690 BL |
172 | EVP_MD_CTX_init(&m5); |
173 | EVP_MD_CTX_init(&s1); | |
27545970 | 174 | for (i=0; (int)i<num; i+=MD5_DIGEST_LENGTH) |
58964a49 RE |
175 | { |
176 | k++; | |
027e257b BM |
177 | if (k > sizeof buf) |
178 | { | |
179 | /* bug: 'buf' is too small for this ciphersuite */ | |
180 | SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR); | |
181 | return 0; | |
182 | } | |
183 | ||
58964a49 RE |
184 | for (j=0; j<k; j++) |
185 | buf[j]=c; | |
186 | c++; | |
20d2186c | 187 | EVP_DigestInit_ex(&s1,EVP_sha1(), NULL); |
323f289c DSH |
188 | EVP_DigestUpdate(&s1,buf,k); |
189 | EVP_DigestUpdate(&s1,s->session->master_key, | |
58964a49 | 190 | s->session->master_key_length); |
323f289c DSH |
191 | EVP_DigestUpdate(&s1,s->s3->server_random,SSL3_RANDOM_SIZE); |
192 | EVP_DigestUpdate(&s1,s->s3->client_random,SSL3_RANDOM_SIZE); | |
20d2186c | 193 | EVP_DigestFinal_ex(&s1,smd,NULL); |
58964a49 | 194 | |
20d2186c | 195 | EVP_DigestInit_ex(&m5,EVP_md5(), NULL); |
323f289c | 196 | EVP_DigestUpdate(&m5,s->session->master_key, |
58964a49 | 197 | s->session->master_key_length); |
323f289c | 198 | EVP_DigestUpdate(&m5,smd,SHA_DIGEST_LENGTH); |
27545970 | 199 | if ((int)(i+MD5_DIGEST_LENGTH) > num) |
58964a49 | 200 | { |
20d2186c | 201 | EVP_DigestFinal_ex(&m5,smd,NULL); |
58964a49 RE |
202 | memcpy(km,smd,(num-i)); |
203 | } | |
204 | else | |
20d2186c | 205 | EVP_DigestFinal_ex(&m5,km,NULL); |
58964a49 RE |
206 | |
207 | km+=MD5_DIGEST_LENGTH; | |
208 | } | |
4579924b | 209 | OPENSSL_cleanse(smd,SHA_DIGEST_LENGTH); |
dbad1690 BL |
210 | EVP_MD_CTX_cleanup(&m5); |
211 | EVP_MD_CTX_cleanup(&s1); | |
027e257b | 212 | return 1; |
58964a49 RE |
213 | } |
214 | ||
6b691a5c | 215 | int ssl3_change_cipher_state(SSL *s, int which) |
d02b48c6 RE |
216 | { |
217 | unsigned char *p,*key_block,*mac_secret; | |
218 | unsigned char exp_key[EVP_MAX_KEY_LENGTH]; | |
54a656ef | 219 | unsigned char exp_iv[EVP_MAX_IV_LENGTH]; |
d02b48c6 RE |
220 | unsigned char *ms,*key,*iv,*er1,*er2; |
221 | EVP_CIPHER_CTX *dd; | |
e778802f | 222 | const EVP_CIPHER *c; |
09b6c2ef | 223 | #ifndef OPENSSL_NO_COMP |
dfeab068 | 224 | COMP_METHOD *comp; |
09b6c2ef | 225 | #endif |
e778802f | 226 | const EVP_MD *m; |
323f289c | 227 | EVP_MD_CTX md; |
d8ec0dcf | 228 | int is_exp,n,i,j,k,cl; |
28797374 | 229 | int reuse_dd = 0; |
d02b48c6 | 230 | |
d8ec0dcf | 231 | is_exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
d02b48c6 RE |
232 | c=s->s3->tmp.new_sym_enc; |
233 | m=s->s3->tmp.new_hash; | |
85e878f2 BL |
234 | /* m == NULL will lead to a crash later */ |
235 | OPENSSL_assert(m); | |
09b6c2ef | 236 | #ifndef OPENSSL_NO_COMP |
413c4f45 MC |
237 | if (s->s3->tmp.new_compression == NULL) |
238 | comp=NULL; | |
239 | else | |
240 | comp=s->s3->tmp.new_compression->method; | |
09b6c2ef | 241 | #endif |
d02b48c6 RE |
242 | key_block=s->s3->tmp.key_block; |
243 | ||
244 | if (which & SSL3_CC_READ) | |
245 | { | |
28797374 BM |
246 | if (s->enc_read_ctx != NULL) |
247 | reuse_dd = 1; | |
248 | else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL) | |
d02b48c6 | 249 | goto err; |
cc684e33 NL |
250 | else |
251 | /* make sure it's intialized in case we exit later with an error */ | |
252 | EVP_CIPHER_CTX_init(s->enc_read_ctx); | |
d02b48c6 | 253 | dd= s->enc_read_ctx; |
b948e2c5 DSH |
254 | |
255 | ssl_replace_hash(&s->read_hash,m); | |
09b6c2ef | 256 | #ifndef OPENSSL_NO_COMP |
dfeab068 RE |
257 | /* COMPRESS */ |
258 | if (s->expand != NULL) | |
259 | { | |
260 | COMP_CTX_free(s->expand); | |
261 | s->expand=NULL; | |
262 | } | |
263 | if (comp != NULL) | |
264 | { | |
265 | s->expand=COMP_CTX_new(comp); | |
266 | if (s->expand == NULL) | |
267 | { | |
268 | SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); | |
269 | goto err2; | |
270 | } | |
413c4f45 MC |
271 | if (s->s3->rrec.comp == NULL) |
272 | s->s3->rrec.comp=(unsigned char *) | |
26a3a48d | 273 | OPENSSL_malloc(SSL3_RT_MAX_PLAIN_LENGTH); |
dfeab068 RE |
274 | if (s->s3->rrec.comp == NULL) |
275 | goto err; | |
276 | } | |
09b6c2ef | 277 | #endif |
d02b48c6 RE |
278 | memset(&(s->s3->read_sequence[0]),0,8); |
279 | mac_secret= &(s->s3->read_mac_secret[0]); | |
280 | } | |
281 | else | |
282 | { | |
28797374 BM |
283 | if (s->enc_write_ctx != NULL) |
284 | reuse_dd = 1; | |
285 | else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL) | |
d02b48c6 | 286 | goto err; |
cc684e33 NL |
287 | else |
288 | /* make sure it's intialized in case we exit later with an error */ | |
289 | EVP_CIPHER_CTX_init(s->enc_write_ctx); | |
d02b48c6 | 290 | dd= s->enc_write_ctx; |
b948e2c5 | 291 | ssl_replace_hash(&s->write_hash,m); |
09b6c2ef | 292 | #ifndef OPENSSL_NO_COMP |
dfeab068 RE |
293 | /* COMPRESS */ |
294 | if (s->compress != NULL) | |
295 | { | |
296 | COMP_CTX_free(s->compress); | |
297 | s->compress=NULL; | |
298 | } | |
299 | if (comp != NULL) | |
300 | { | |
301 | s->compress=COMP_CTX_new(comp); | |
302 | if (s->compress == NULL) | |
303 | { | |
304 | SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); | |
305 | goto err2; | |
306 | } | |
307 | } | |
09b6c2ef | 308 | #endif |
d02b48c6 RE |
309 | memset(&(s->s3->write_sequence[0]),0,8); |
310 | mac_secret= &(s->s3->write_mac_secret[0]); | |
311 | } | |
312 | ||
28797374 BM |
313 | if (reuse_dd) |
314 | EVP_CIPHER_CTX_cleanup(dd); | |
58964a49 | 315 | |
d02b48c6 RE |
316 | p=s->s3->tmp.key_block; |
317 | i=EVP_MD_size(m); | |
436d318c | 318 | cl=EVP_CIPHER_key_length(c); |
d8ec0dcf | 319 | j=is_exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ? |
06ab81f9 | 320 | cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl; |
d8ec0dcf | 321 | /* Was j=(is_exp)?5:EVP_CIPHER_key_length(c); */ |
d02b48c6 RE |
322 | k=EVP_CIPHER_iv_length(c); |
323 | if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || | |
324 | (which == SSL3_CHANGE_CIPHER_SERVER_READ)) | |
325 | { | |
326 | ms= &(p[ 0]); n=i+i; | |
327 | key= &(p[ n]); n+=j+j; | |
328 | iv= &(p[ n]); n+=k+k; | |
329 | er1= &(s->s3->client_random[0]); | |
330 | er2= &(s->s3->server_random[0]); | |
331 | } | |
332 | else | |
333 | { | |
334 | n=i; | |
335 | ms= &(p[ n]); n+=i+j; | |
336 | key= &(p[ n]); n+=j+k; | |
337 | iv= &(p[ n]); n+=k; | |
338 | er1= &(s->s3->server_random[0]); | |
339 | er2= &(s->s3->client_random[0]); | |
340 | } | |
341 | ||
342 | if (n > s->s3->tmp.key_block_length) | |
343 | { | |
5277d7cb | 344 | SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
345 | goto err2; |
346 | } | |
347 | ||
dbad1690 | 348 | EVP_MD_CTX_init(&md); |
d02b48c6 | 349 | memcpy(mac_secret,ms,i); |
d8ec0dcf | 350 | if (is_exp) |
d02b48c6 RE |
351 | { |
352 | /* In here I set both the read and write key/iv to the | |
353 | * same value since only the correct one will be used :-). | |
354 | */ | |
20d2186c | 355 | EVP_DigestInit_ex(&md,EVP_md5(), NULL); |
323f289c DSH |
356 | EVP_DigestUpdate(&md,key,j); |
357 | EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE); | |
358 | EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE); | |
20d2186c | 359 | EVP_DigestFinal_ex(&md,&(exp_key[0]),NULL); |
d02b48c6 RE |
360 | key= &(exp_key[0]); |
361 | ||
58964a49 RE |
362 | if (k > 0) |
363 | { | |
20d2186c | 364 | EVP_DigestInit_ex(&md,EVP_md5(), NULL); |
323f289c DSH |
365 | EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE); |
366 | EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE); | |
20d2186c | 367 | EVP_DigestFinal_ex(&md,&(exp_iv[0]),NULL); |
58964a49 RE |
368 | iv= &(exp_iv[0]); |
369 | } | |
d02b48c6 RE |
370 | } |
371 | ||
58964a49 | 372 | s->session->key_arg_length=0; |
d02b48c6 | 373 | |
581f1c84 | 374 | EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE)); |
58964a49 | 375 | |
4579924b RL |
376 | OPENSSL_cleanse(&(exp_key[0]),sizeof(exp_key)); |
377 | OPENSSL_cleanse(&(exp_iv[0]),sizeof(exp_iv)); | |
dbad1690 | 378 | EVP_MD_CTX_cleanup(&md); |
d02b48c6 RE |
379 | return(1); |
380 | err: | |
381 | SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE); | |
382 | err2: | |
383 | return(0); | |
384 | } | |
385 | ||
6b691a5c | 386 | int ssl3_setup_key_block(SSL *s) |
d02b48c6 RE |
387 | { |
388 | unsigned char *p; | |
e778802f BL |
389 | const EVP_CIPHER *c; |
390 | const EVP_MD *hash; | |
06ab81f9 | 391 | int num; |
82b0bf0b | 392 | int ret = 0; |
413c4f45 | 393 | SSL_COMP *comp; |
d02b48c6 RE |
394 | |
395 | if (s->s3->tmp.key_block_length != 0) | |
396 | return(1); | |
397 | ||
b948e2c5 | 398 | if (!ssl_cipher_get_evp(s->session,&c,&hash,NULL,NULL,&comp)) |
d02b48c6 RE |
399 | { |
400 | SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE); | |
401 | return(0); | |
402 | } | |
403 | ||
404 | s->s3->tmp.new_sym_enc=c; | |
405 | s->s3->tmp.new_hash=hash; | |
09b6c2ef DSH |
406 | #ifdef OPENSSL_NO_COMP |
407 | s->s3->tmp.new_compression=NULL; | |
408 | #else | |
413c4f45 | 409 | s->s3->tmp.new_compression=comp; |
09b6c2ef | 410 | #endif |
d02b48c6 | 411 | |
d02b48c6 RE |
412 | num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c); |
413 | num*=2; | |
414 | ||
415 | ssl3_cleanup_key_block(s); | |
416 | ||
26a3a48d | 417 | if ((p=OPENSSL_malloc(num)) == NULL) |
d02b48c6 RE |
418 | goto err; |
419 | ||
420 | s->s3->tmp.key_block_length=num; | |
421 | s->s3->tmp.key_block=p; | |
422 | ||
82b0bf0b BM |
423 | ret = ssl3_generate_key_block(s,p,num); |
424 | ||
c21506ba BM |
425 | if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) |
426 | { | |
427 | /* enable vulnerability countermeasure for CBC ciphers with | |
428 | * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) | |
429 | */ | |
430 | s->s3->need_empty_fragments = 1; | |
431 | ||
d1d0be3c BM |
432 | if (s->session->cipher != NULL) |
433 | { | |
52b8dad8 | 434 | if (s->session->cipher->algorithm_enc == SSL_eNULL) |
d1d0be3c BM |
435 | s->s3->need_empty_fragments = 0; |
436 | ||
82b0bf0b | 437 | #ifndef OPENSSL_NO_RC4 |
52b8dad8 | 438 | if (s->session->cipher->algorithm_enc == SSL_RC4) |
d1d0be3c | 439 | s->s3->need_empty_fragments = 0; |
82b0bf0b | 440 | #endif |
d1d0be3c | 441 | } |
c21506ba | 442 | } |
d02b48c6 | 443 | |
82b0bf0b BM |
444 | return ret; |
445 | ||
d02b48c6 RE |
446 | err: |
447 | SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE); | |
448 | return(0); | |
449 | } | |
450 | ||
6b691a5c | 451 | void ssl3_cleanup_key_block(SSL *s) |
d02b48c6 RE |
452 | { |
453 | if (s->s3->tmp.key_block != NULL) | |
454 | { | |
4579924b | 455 | OPENSSL_cleanse(s->s3->tmp.key_block, |
d02b48c6 | 456 | s->s3->tmp.key_block_length); |
26a3a48d | 457 | OPENSSL_free(s->s3->tmp.key_block); |
d02b48c6 RE |
458 | s->s3->tmp.key_block=NULL; |
459 | } | |
460 | s->s3->tmp.key_block_length=0; | |
461 | } | |
462 | ||
6b691a5c | 463 | int ssl3_enc(SSL *s, int send) |
d02b48c6 RE |
464 | { |
465 | SSL3_RECORD *rec; | |
466 | EVP_CIPHER_CTX *ds; | |
467 | unsigned long l; | |
468 | int bs,i; | |
e778802f | 469 | const EVP_CIPHER *enc; |
d02b48c6 RE |
470 | |
471 | if (send) | |
472 | { | |
473 | ds=s->enc_write_ctx; | |
474 | rec= &(s->s3->wrec); | |
475 | if (s->enc_write_ctx == NULL) | |
dfeab068 | 476 | enc=NULL; |
d02b48c6 | 477 | else |
d02b48c6 | 478 | enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx); |
d02b48c6 RE |
479 | } |
480 | else | |
481 | { | |
482 | ds=s->enc_read_ctx; | |
483 | rec= &(s->s3->rrec); | |
484 | if (s->enc_read_ctx == NULL) | |
dfeab068 | 485 | enc=NULL; |
d02b48c6 | 486 | else |
d02b48c6 | 487 | enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx); |
d02b48c6 RE |
488 | } |
489 | ||
490 | if ((s->session == NULL) || (ds == NULL) || | |
dfeab068 | 491 | (enc == NULL)) |
d02b48c6 | 492 | { |
44e48abc | 493 | memmove(rec->data,rec->input,rec->length); |
d02b48c6 RE |
494 | rec->input=rec->data; |
495 | } | |
496 | else | |
497 | { | |
498 | l=rec->length; | |
499 | bs=EVP_CIPHER_block_size(ds->cipher); | |
500 | ||
dfeab068 RE |
501 | /* COMPRESS */ |
502 | ||
d02b48c6 RE |
503 | if ((bs != 1) && send) |
504 | { | |
505 | i=bs-((int)l%bs); | |
506 | ||
507 | /* we need to add 'i-1' padding bytes */ | |
508 | l+=i; | |
509 | rec->length+=i; | |
510 | rec->input[l-1]=(i-1); | |
511 | } | |
285b4275 BM |
512 | |
513 | if (!send) | |
514 | { | |
515 | if (l == 0 || l%bs != 0) | |
516 | { | |
517 | SSLerr(SSL_F_SSL3_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG); | |
ee60d9fb BM |
518 | ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED); |
519 | return 0; | |
285b4275 | 520 | } |
ea513641 | 521 | /* otherwise, rec->length >= bs */ |
285b4275 BM |
522 | } |
523 | ||
d02b48c6 RE |
524 | EVP_Cipher(ds,rec->data,rec->input,l); |
525 | ||
526 | if ((bs != 1) && !send) | |
527 | { | |
528 | i=rec->data[l-1]+1; | |
285b4275 | 529 | /* SSL 3.0 bounds the number of padding bytes by the block size; |
ea513641 | 530 | * padding bytes (except the last one) are arbitrary */ |
d02b48c6 RE |
531 | if (i > bs) |
532 | { | |
ee60d9fb BM |
533 | /* Incorrect padding. SSLerr() and ssl3_alert are done |
534 | * by caller: we don't want to reveal whether this is | |
965b6dad BM |
535 | * a decryption error or a MAC verification failure |
536 | * (see http://www.openssl.org/~bodo/tls-cbc.txt) */ | |
ee60d9fb | 537 | return -1; |
d02b48c6 | 538 | } |
ea513641 | 539 | /* now i <= bs <= rec->length */ |
d02b48c6 RE |
540 | rec->length-=i; |
541 | } | |
542 | } | |
543 | return(1); | |
544 | } | |
545 | ||
6b691a5c | 546 | void ssl3_init_finished_mac(SSL *s) |
d02b48c6 | 547 | { |
81025661 DSH |
548 | if (s->s3->handshake_buffer) BIO_free(s->s3->handshake_buffer); |
549 | if (s->s3->handshake_dgst) ssl3_free_digest_list(s); | |
550 | s->s3->handshake_buffer=BIO_new(BIO_s_mem()); | |
8164032a | 551 | (void)BIO_set_close(s->s3->handshake_buffer,BIO_CLOSE); |
d02b48c6 RE |
552 | } |
553 | ||
81025661 DSH |
554 | void ssl3_free_digest_list(SSL *s) |
555 | { | |
556 | int i; | |
557 | if (!s->s3->handshake_dgst) return; | |
558 | for (i=0;i<SSL_MAX_DIGEST;i++) | |
559 | { | |
560 | if (s->s3->handshake_dgst[i]) | |
561 | EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]); | |
562 | } | |
563 | OPENSSL_free(s->s3->handshake_dgst); | |
564 | s->s3->handshake_dgst=NULL; | |
565 | } | |
566 | ||
567 | ||
568 | ||
6b691a5c | 569 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len) |
d02b48c6 | 570 | { |
81025661 DSH |
571 | if (s->s3->handshake_buffer) |
572 | { | |
573 | BIO_write (s->s3->handshake_buffer,(void *)buf,len); | |
574 | } | |
575 | else | |
576 | { | |
577 | int i; | |
578 | for (i=0;i< SSL_MAX_DIGEST;i++) | |
579 | { | |
580 | if (s->s3->handshake_dgst[i]!= NULL) | |
581 | EVP_DigestUpdate(s->s3->handshake_dgst[i],buf,len); | |
582 | } | |
583 | } | |
d02b48c6 | 584 | } |
6ba71a71 BL |
585 | |
586 | int ssl3_digest_cached_records(SSL *s) | |
81025661 | 587 | { |
6ba71a71 BL |
588 | int i; |
589 | long mask; | |
590 | const EVP_MD *md; | |
591 | long hdatalen; | |
592 | void *hdata; | |
593 | ||
594 | /* Allocate handshake_dgst array */ | |
595 | ssl3_free_digest_list(s); | |
596 | s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *)); | |
597 | memset(s->s3->handshake_dgst,0,SSL_MAX_DIGEST *sizeof(EVP_MD_CTX *)); | |
598 | hdatalen = BIO_get_mem_data(s->s3->handshake_buffer,&hdata); | |
599 | if (hdatalen <= 0) | |
600 | { | |
601 | SSLerr(SSL_F_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH); | |
602 | return 0; | |
603 | } | |
604 | ||
605 | /* Loop through bitso of algorithm2 field and create MD_CTX-es */ | |
606 | for (i=0;ssl_get_handshake_digest(i,&mask,&md); i++) | |
607 | { | |
608 | if ((mask & s->s3->tmp.new_cipher->algorithm2) && md) | |
81025661 | 609 | { |
6ba71a71 BL |
610 | s->s3->handshake_dgst[i]=EVP_MD_CTX_create(); |
611 | EVP_DigestInit_ex(s->s3->handshake_dgst[i],md,NULL); | |
612 | EVP_DigestUpdate(s->s3->handshake_dgst[i],hdata,hdatalen); | |
613 | } | |
614 | else | |
615 | { | |
616 | s->s3->handshake_dgst[i]=NULL; | |
81025661 | 617 | } |
6ba71a71 BL |
618 | } |
619 | /* Free handshake_buffer BIO */ | |
620 | BIO_free(s->s3->handshake_buffer); | |
621 | s->s3->handshake_buffer = NULL; | |
d02b48c6 | 622 | |
6ba71a71 | 623 | return 1; |
81025661 | 624 | } |
6ba71a71 | 625 | |
81025661 | 626 | int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p) |
58964a49 | 627 | { |
81025661 | 628 | return(ssl3_handshake_mac(s,md_nid,NULL,0,p)); |
58964a49 | 629 | } |
81025661 | 630 | int ssl3_final_finish_mac(SSL *s, |
245206ea | 631 | const char *sender, int len, unsigned char *p) |
58964a49 RE |
632 | { |
633 | int ret; | |
81025661 | 634 | ret=ssl3_handshake_mac(s,NID_md5,sender,len,p); |
58964a49 | 635 | p+=ret; |
81025661 | 636 | ret+=ssl3_handshake_mac(s,NID_sha1,sender,len,p); |
58964a49 RE |
637 | return(ret); |
638 | } | |
81025661 | 639 | static int ssl3_handshake_mac(SSL *s, int md_nid, |
f2d9a32c | 640 | const char *sender, int len, unsigned char *p) |
d02b48c6 RE |
641 | { |
642 | unsigned int ret; | |
643 | int npad,n; | |
644 | unsigned int i; | |
645 | unsigned char md_buf[EVP_MAX_MD_SIZE]; | |
81025661 | 646 | EVP_MD_CTX ctx,*d=NULL; |
6ba71a71 | 647 | |
81025661 | 648 | if (s->s3->handshake_buffer) |
6ba71a71 BL |
649 | if (!ssl3_digest_cached_records(s)) |
650 | return 0; | |
d02b48c6 | 651 | |
81025661 DSH |
652 | /* Search for djgest of specified type in the handshake_dgst |
653 | * array*/ | |
654 | for (i=0;i<SSL_MAX_DIGEST;i++) | |
655 | { | |
656 | if (s->s3->handshake_dgst[i]&&EVP_MD_CTX_type(s->s3->handshake_dgst[i])==md_nid) | |
657 | { | |
658 | d=s->s3->handshake_dgst[i]; | |
659 | break; | |
660 | } | |
661 | } | |
662 | if (!d) { | |
663 | SSLerr(SSL_F_SSL3_HANDSHAKE_MAC,SSL_R_NO_REQUIRED_DIGEST); | |
664 | return 0; | |
665 | } | |
dbad1690 | 666 | EVP_MD_CTX_init(&ctx); |
81025661 | 667 | EVP_MD_CTX_copy_ex(&ctx,d); |
d02b48c6 RE |
668 | n=EVP_MD_CTX_size(&ctx); |
669 | npad=(48/n)*n; | |
d02b48c6 | 670 | if (sender != NULL) |
58964a49 | 671 | EVP_DigestUpdate(&ctx,sender,len); |
d02b48c6 RE |
672 | EVP_DigestUpdate(&ctx,s->session->master_key, |
673 | s->session->master_key_length); | |
674 | EVP_DigestUpdate(&ctx,ssl3_pad_1,npad); | |
20d2186c | 675 | EVP_DigestFinal_ex(&ctx,md_buf,&i); |
d02b48c6 | 676 | |
20d2186c | 677 | EVP_DigestInit_ex(&ctx,EVP_MD_CTX_md(&ctx), NULL); |
d02b48c6 RE |
678 | EVP_DigestUpdate(&ctx,s->session->master_key, |
679 | s->session->master_key_length); | |
680 | EVP_DigestUpdate(&ctx,ssl3_pad_2,npad); | |
681 | EVP_DigestUpdate(&ctx,md_buf,i); | |
20d2186c | 682 | EVP_DigestFinal_ex(&ctx,p,&ret); |
d02b48c6 | 683 | |
dbad1690 | 684 | EVP_MD_CTX_cleanup(&ctx); |
d02b48c6 RE |
685 | |
686 | return((int)ret); | |
687 | } | |
688 | ||
6b691a5c | 689 | int ssl3_mac(SSL *ssl, unsigned char *md, int send) |
d02b48c6 RE |
690 | { |
691 | SSL3_RECORD *rec; | |
692 | unsigned char *mac_sec,*seq; | |
693 | EVP_MD_CTX md_ctx; | |
b948e2c5 | 694 | const EVP_MD_CTX *hash; |
d02b48c6 RE |
695 | unsigned char *p,rec_char; |
696 | unsigned int md_size; | |
36d16f8e | 697 | int npad; |
d02b48c6 RE |
698 | |
699 | if (send) | |
700 | { | |
701 | rec= &(ssl->s3->wrec); | |
702 | mac_sec= &(ssl->s3->write_mac_secret[0]); | |
703 | seq= &(ssl->s3->write_sequence[0]); | |
704 | hash=ssl->write_hash; | |
705 | } | |
706 | else | |
707 | { | |
708 | rec= &(ssl->s3->rrec); | |
709 | mac_sec= &(ssl->s3->read_mac_secret[0]); | |
710 | seq= &(ssl->s3->read_sequence[0]); | |
711 | hash=ssl->read_hash; | |
712 | } | |
713 | ||
0e941da6 BL |
714 | /* If hash is NULL, then a crash will follow anyway */ |
715 | OPENSSL_assert(hash); | |
b948e2c5 | 716 | md_size=EVP_MD_CTX_size(hash); |
d02b48c6 RE |
717 | npad=(48/md_size)*md_size; |
718 | ||
d02b48c6 | 719 | /* Chop the digest off the end :-) */ |
dbad1690 | 720 | EVP_MD_CTX_init(&md_ctx); |
d02b48c6 | 721 | |
b948e2c5 | 722 | EVP_MD_CTX_copy_ex( &md_ctx,hash); |
d02b48c6 RE |
723 | EVP_DigestUpdate(&md_ctx,mac_sec,md_size); |
724 | EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad); | |
725 | EVP_DigestUpdate(&md_ctx,seq,8); | |
726 | rec_char=rec->type; | |
727 | EVP_DigestUpdate(&md_ctx,&rec_char,1); | |
728 | p=md; | |
729 | s2n(rec->length,p); | |
730 | EVP_DigestUpdate(&md_ctx,md,2); | |
731 | EVP_DigestUpdate(&md_ctx,rec->input,rec->length); | |
20d2186c | 732 | EVP_DigestFinal_ex( &md_ctx,md,NULL); |
d02b48c6 | 733 | |
b948e2c5 | 734 | EVP_MD_CTX_copy_ex( &md_ctx,hash); |
d02b48c6 RE |
735 | EVP_DigestUpdate(&md_ctx,mac_sec,md_size); |
736 | EVP_DigestUpdate(&md_ctx,ssl3_pad_2,npad); | |
737 | EVP_DigestUpdate(&md_ctx,md,md_size); | |
20d2186c | 738 | EVP_DigestFinal_ex( &md_ctx,md,&md_size); |
d02b48c6 | 739 | |
dbad1690 BL |
740 | EVP_MD_CTX_cleanup(&md_ctx); |
741 | ||
36d16f8e BL |
742 | ssl3_record_sequence_update(seq); |
743 | return(md_size); | |
744 | } | |
745 | ||
746 | void ssl3_record_sequence_update(unsigned char *seq) | |
747 | { | |
748 | int i; | |
749 | ||
d02b48c6 | 750 | for (i=7; i>=0; i--) |
1876cc32 BM |
751 | { |
752 | ++seq[i]; | |
753 | if (seq[i] != 0) break; | |
754 | } | |
d02b48c6 RE |
755 | } |
756 | ||
6b691a5c UM |
757 | int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, |
758 | int len) | |
d02b48c6 | 759 | { |
e778802f | 760 | static const unsigned char *salt[3]={ |
ca570cfd | 761 | #ifndef CHARSET_EBCDIC |
e778802f BL |
762 | (const unsigned char *)"A", |
763 | (const unsigned char *)"BB", | |
764 | (const unsigned char *)"CCC", | |
ca570cfd UM |
765 | #else |
766 | (const unsigned char *)"\x41", | |
767 | (const unsigned char *)"\x42\x42", | |
768 | (const unsigned char *)"\x43\x43\x43", | |
769 | #endif | |
d02b48c6 RE |
770 | }; |
771 | unsigned char buf[EVP_MAX_MD_SIZE]; | |
772 | EVP_MD_CTX ctx; | |
773 | int i,ret=0; | |
774 | unsigned int n; | |
775 | ||
dbad1690 | 776 | EVP_MD_CTX_init(&ctx); |
d02b48c6 RE |
777 | for (i=0; i<3; i++) |
778 | { | |
20d2186c | 779 | EVP_DigestInit_ex(&ctx,s->ctx->sha1, NULL); |
e778802f | 780 | EVP_DigestUpdate(&ctx,salt[i],strlen((const char *)salt[i])); |
d02b48c6 RE |
781 | EVP_DigestUpdate(&ctx,p,len); |
782 | EVP_DigestUpdate(&ctx,&(s->s3->client_random[0]), | |
783 | SSL3_RANDOM_SIZE); | |
784 | EVP_DigestUpdate(&ctx,&(s->s3->server_random[0]), | |
785 | SSL3_RANDOM_SIZE); | |
20d2186c | 786 | EVP_DigestFinal_ex(&ctx,buf,&n); |
d02b48c6 | 787 | |
20d2186c | 788 | EVP_DigestInit_ex(&ctx,s->ctx->md5, NULL); |
d02b48c6 RE |
789 | EVP_DigestUpdate(&ctx,p,len); |
790 | EVP_DigestUpdate(&ctx,buf,n); | |
20d2186c | 791 | EVP_DigestFinal_ex(&ctx,out,&n); |
d02b48c6 RE |
792 | out+=n; |
793 | ret+=n; | |
794 | } | |
dbad1690 | 795 | EVP_MD_CTX_cleanup(&ctx); |
d02b48c6 RE |
796 | return(ret); |
797 | } | |
798 | ||
6b691a5c | 799 | int ssl3_alert_code(int code) |
58964a49 RE |
800 | { |
801 | switch (code) | |
802 | { | |
803 | case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY); | |
804 | case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE); | |
805 | case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC); | |
806 | case SSL_AD_DECRYPTION_FAILED: return(SSL3_AD_BAD_RECORD_MAC); | |
807 | case SSL_AD_RECORD_OVERFLOW: return(SSL3_AD_BAD_RECORD_MAC); | |
808 | case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE); | |
809 | case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
810 | case SSL_AD_NO_CERTIFICATE: return(SSL3_AD_NO_CERTIFICATE); | |
811 | case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE); | |
812 | case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE); | |
813 | case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED); | |
814 | case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED); | |
815 | case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN); | |
816 | case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER); | |
817 | case SSL_AD_UNKNOWN_CA: return(SSL3_AD_BAD_CERTIFICATE); | |
818 | case SSL_AD_ACCESS_DENIED: return(SSL3_AD_HANDSHAKE_FAILURE); | |
819 | case SSL_AD_DECODE_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); | |
820 | case SSL_AD_DECRYPT_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); | |
657e60fa | 821 | case SSL_AD_EXPORT_RESTRICTION: return(SSL3_AD_HANDSHAKE_FAILURE); |
58964a49 RE |
822 | case SSL_AD_PROTOCOL_VERSION: return(SSL3_AD_HANDSHAKE_FAILURE); |
823 | case SSL_AD_INSUFFICIENT_SECURITY:return(SSL3_AD_HANDSHAKE_FAILURE); | |
824 | case SSL_AD_INTERNAL_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); | |
657e60fa | 825 | case SSL_AD_USER_CANCELLED: return(SSL3_AD_HANDSHAKE_FAILURE); |
58964a49 | 826 | case SSL_AD_NO_RENEGOTIATION: return(-1); /* Don't send it :-) */ |
d32f888d BM |
827 | case SSL_AD_UNSUPPORTED_EXTENSION: return(SSL3_AD_HANDSHAKE_FAILURE); |
828 | case SSL_AD_CERTIFICATE_UNOBTAINABLE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
f7914dbf | 829 | case SSL_AD_UNRECOGNIZED_NAME: return(SSL3_AD_HANDSHAKE_FAILURE); |
d32f888d BM |
830 | case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(SSL3_AD_HANDSHAKE_FAILURE); |
831 | case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
ddac1974 | 832 | case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY); |
58964a49 RE |
833 | default: return(-1); |
834 | } | |
835 | } | |
836 |