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58964a49 RE |
1 | /* ssl/t1_enc.c */ |
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
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 | */ | |
58964a49 RE |
137 | |
138 | #include <stdio.h> | |
7b63c0fa | 139 | #include "ssl_locl.h" |
ec577822 BM |
140 | #include <openssl/comp.h> |
141 | #include <openssl/evp.h> | |
142 | #include <openssl/hmac.h> | |
dbad1690 | 143 | #include <openssl/md5.h> |
58964a49 | 144 | |
61f5b6f3 BL |
145 | static void tls1_P_hash(const EVP_MD *md, const unsigned char *sec, |
146 | int sec_len, unsigned char *seed, int seed_len, | |
147 | unsigned char *out, int olen) | |
58964a49 RE |
148 | { |
149 | int chunk,n; | |
150 | unsigned int j; | |
151 | HMAC_CTX ctx; | |
152 | HMAC_CTX ctx_tmp; | |
54a656ef | 153 | unsigned char A1[EVP_MAX_MD_SIZE]; |
58964a49 RE |
154 | unsigned int A1_len; |
155 | ||
156 | chunk=EVP_MD_size(md); | |
157 | ||
dbad1690 BL |
158 | HMAC_CTX_init(&ctx); |
159 | HMAC_CTX_init(&ctx_tmp); | |
de941e28 DSH |
160 | HMAC_Init_ex(&ctx,sec,sec_len,md, NULL); |
161 | HMAC_Init_ex(&ctx_tmp,sec,sec_len,md, NULL); | |
58964a49 RE |
162 | HMAC_Update(&ctx,seed,seed_len); |
163 | HMAC_Final(&ctx,A1,&A1_len); | |
164 | ||
165 | n=0; | |
166 | for (;;) | |
167 | { | |
de941e28 DSH |
168 | HMAC_Init_ex(&ctx,NULL,0,NULL,NULL); /* re-init */ |
169 | HMAC_Init_ex(&ctx_tmp,NULL,0,NULL,NULL); /* re-init */ | |
58964a49 | 170 | HMAC_Update(&ctx,A1,A1_len); |
323f289c | 171 | HMAC_Update(&ctx_tmp,A1,A1_len); |
58964a49 RE |
172 | HMAC_Update(&ctx,seed,seed_len); |
173 | ||
174 | if (olen > chunk) | |
175 | { | |
176 | HMAC_Final(&ctx,out,&j); | |
177 | out+=j; | |
178 | olen-=j; | |
179 | HMAC_Final(&ctx_tmp,A1,&A1_len); /* calc the next A1 value */ | |
180 | } | |
181 | else /* last one */ | |
182 | { | |
183 | HMAC_Final(&ctx,A1,&A1_len); | |
184 | memcpy(out,A1,olen); | |
185 | break; | |
186 | } | |
187 | } | |
dbad1690 BL |
188 | HMAC_CTX_cleanup(&ctx); |
189 | HMAC_CTX_cleanup(&ctx_tmp); | |
4579924b | 190 | OPENSSL_cleanse(A1,sizeof(A1)); |
58964a49 RE |
191 | } |
192 | ||
e4aac1cb | 193 | static void tls1_PRF(const EVP_MD *md5, const EVP_MD *sha1, |
61f5b6f3 BL |
194 | unsigned char *label, int label_len, |
195 | const unsigned char *sec, int slen, unsigned char *out1, | |
196 | unsigned char *out2, int olen) | |
58964a49 RE |
197 | { |
198 | int len,i; | |
61f5b6f3 | 199 | const unsigned char *S1,*S2; |
58964a49 RE |
200 | |
201 | len=slen/2; | |
202 | S1=sec; | |
203 | S2= &(sec[len]); | |
204 | len+=(slen&1); /* add for odd, make longer */ | |
205 | ||
206 | ||
207 | tls1_P_hash(md5 ,S1,len,label,label_len,out1,olen); | |
208 | tls1_P_hash(sha1,S2,len,label,label_len,out2,olen); | |
209 | ||
210 | for (i=0; i<olen; i++) | |
211 | out1[i]^=out2[i]; | |
212 | } | |
213 | ||
6b691a5c UM |
214 | static void tls1_generate_key_block(SSL *s, unsigned char *km, |
215 | unsigned char *tmp, int num) | |
58964a49 RE |
216 | { |
217 | unsigned char *p; | |
218 | unsigned char buf[SSL3_RANDOM_SIZE*2+ | |
219 | TLS_MD_MAX_CONST_SIZE]; | |
220 | p=buf; | |
221 | ||
222 | memcpy(p,TLS_MD_KEY_EXPANSION_CONST, | |
223 | TLS_MD_KEY_EXPANSION_CONST_SIZE); | |
224 | p+=TLS_MD_KEY_EXPANSION_CONST_SIZE; | |
225 | memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); | |
226 | p+=SSL3_RANDOM_SIZE; | |
227 | memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE); | |
228 | p+=SSL3_RANDOM_SIZE; | |
229 | ||
dfeab068 | 230 | tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(p-buf), |
e4aac1cb BL |
231 | s->session->master_key,s->session->master_key_length, |
232 | km,tmp,num); | |
f9b3bff6 RL |
233 | #ifdef KSSL_DEBUG |
234 | printf("tls1_generate_key_block() ==> %d byte master_key =\n\t", | |
235 | s->session->master_key_length); | |
236 | { | |
237 | int i; | |
238 | for (i=0; i < s->session->master_key_length; i++) | |
239 | { | |
240 | printf("%02X", s->session->master_key[i]); | |
241 | } | |
242 | printf("\n"); } | |
243 | #endif /* KSSL_DEBUG */ | |
58964a49 RE |
244 | } |
245 | ||
6b691a5c | 246 | int tls1_change_cipher_state(SSL *s, int which) |
58964a49 | 247 | { |
61f5b6f3 | 248 | static const unsigned char empty[]=""; |
58964a49 RE |
249 | unsigned char *p,*key_block,*mac_secret; |
250 | unsigned char *exp_label,buf[TLS_MD_MAX_CONST_SIZE+ | |
251 | SSL3_RANDOM_SIZE*2]; | |
252 | unsigned char tmp1[EVP_MAX_KEY_LENGTH]; | |
253 | unsigned char tmp2[EVP_MAX_KEY_LENGTH]; | |
254 | unsigned char iv1[EVP_MAX_IV_LENGTH*2]; | |
255 | unsigned char iv2[EVP_MAX_IV_LENGTH*2]; | |
256 | unsigned char *ms,*key,*iv,*er1,*er2; | |
257 | int client_write; | |
258 | EVP_CIPHER_CTX *dd; | |
e778802f | 259 | const EVP_CIPHER *c; |
09b6c2ef | 260 | #ifndef OPENSSL_NO_COMP |
e778802f | 261 | const SSL_COMP *comp; |
09b6c2ef | 262 | #endif |
e778802f | 263 | const EVP_MD *m; |
28797374 BM |
264 | int is_export,n,i,j,k,exp_label_len,cl; |
265 | int reuse_dd = 0; | |
58964a49 | 266 | |
28797374 | 267 | is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
58964a49 RE |
268 | c=s->s3->tmp.new_sym_enc; |
269 | m=s->s3->tmp.new_hash; | |
09b6c2ef | 270 | #ifndef OPENSSL_NO_COMP |
58964a49 | 271 | comp=s->s3->tmp.new_compression; |
09b6c2ef | 272 | #endif |
58964a49 RE |
273 | key_block=s->s3->tmp.key_block; |
274 | ||
f9b3bff6 RL |
275 | #ifdef KSSL_DEBUG |
276 | printf("tls1_change_cipher_state(which= %d) w/\n", which); | |
52b8dad8 BM |
277 | printf("\talg= %ld/%ld, comp= %p\n", |
278 | s->s3->tmp.new_cipher->algorithm_mkey, | |
279 | s->s3->tmp.new_cipher->algorithm_auth, | |
280 | comp); | |
f9b3bff6 RL |
281 | printf("\tevp_cipher == %p ==? &d_cbc_ede_cipher3\n", c); |
282 | printf("\tevp_cipher: nid, blksz= %d, %d, keylen=%d, ivlen=%d\n", | |
283 | c->nid,c->block_size,c->key_len,c->iv_len); | |
284 | printf("\tkey_block: len= %d, data= ", s->s3->tmp.key_block_length); | |
285 | { | |
286 | int i; | |
287 | for (i=0; i<s->s3->tmp.key_block_length; i++) | |
288 | printf("%02x", key_block[i]); printf("\n"); | |
289 | } | |
290 | #endif /* KSSL_DEBUG */ | |
291 | ||
58964a49 RE |
292 | if (which & SSL3_CC_READ) |
293 | { | |
28797374 BM |
294 | if (s->enc_read_ctx != NULL) |
295 | reuse_dd = 1; | |
296 | else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL) | |
58964a49 | 297 | goto err; |
cc684e33 NL |
298 | else |
299 | /* make sure it's intialized in case we exit later with an error */ | |
300 | EVP_CIPHER_CTX_init(s->enc_read_ctx); | |
58964a49 RE |
301 | dd= s->enc_read_ctx; |
302 | s->read_hash=m; | |
09b6c2ef | 303 | #ifndef OPENSSL_NO_COMP |
dfeab068 RE |
304 | if (s->expand != NULL) |
305 | { | |
306 | COMP_CTX_free(s->expand); | |
307 | s->expand=NULL; | |
308 | } | |
309 | if (comp != NULL) | |
310 | { | |
413c4f45 | 311 | s->expand=COMP_CTX_new(comp->method); |
dfeab068 RE |
312 | if (s->expand == NULL) |
313 | { | |
314 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); | |
315 | goto err2; | |
316 | } | |
413c4f45 MC |
317 | if (s->s3->rrec.comp == NULL) |
318 | s->s3->rrec.comp=(unsigned char *) | |
26a3a48d | 319 | OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH); |
dfeab068 RE |
320 | if (s->s3->rrec.comp == NULL) |
321 | goto err; | |
322 | } | |
09b6c2ef | 323 | #endif |
36d16f8e BL |
324 | /* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */ |
325 | if (s->version != DTLS1_VERSION) | |
326 | memset(&(s->s3->read_sequence[0]),0,8); | |
58964a49 RE |
327 | mac_secret= &(s->s3->read_mac_secret[0]); |
328 | } | |
329 | else | |
330 | { | |
28797374 BM |
331 | if (s->enc_write_ctx != NULL) |
332 | reuse_dd = 1; | |
333 | else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL) | |
334 | goto err; | |
cc684e33 NL |
335 | else |
336 | /* make sure it's intialized in case we exit later with an error */ | |
337 | EVP_CIPHER_CTX_init(s->enc_write_ctx); | |
58964a49 RE |
338 | dd= s->enc_write_ctx; |
339 | s->write_hash=m; | |
09b6c2ef | 340 | #ifndef OPENSSL_NO_COMP |
dfeab068 RE |
341 | if (s->compress != NULL) |
342 | { | |
343 | COMP_CTX_free(s->compress); | |
344 | s->compress=NULL; | |
345 | } | |
346 | if (comp != NULL) | |
347 | { | |
413c4f45 | 348 | s->compress=COMP_CTX_new(comp->method); |
dfeab068 RE |
349 | if (s->compress == NULL) |
350 | { | |
351 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); | |
352 | goto err2; | |
353 | } | |
354 | } | |
09b6c2ef | 355 | #endif |
36d16f8e BL |
356 | /* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */ |
357 | if (s->version != DTLS1_VERSION) | |
358 | memset(&(s->s3->write_sequence[0]),0,8); | |
58964a49 RE |
359 | mac_secret= &(s->s3->write_mac_secret[0]); |
360 | } | |
361 | ||
28797374 BM |
362 | if (reuse_dd) |
363 | EVP_CIPHER_CTX_cleanup(dd); | |
58964a49 RE |
364 | |
365 | p=s->s3->tmp.key_block; | |
366 | i=EVP_MD_size(m); | |
436d318c | 367 | cl=EVP_CIPHER_key_length(c); |
28797374 BM |
368 | j=is_export ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ? |
369 | cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl; | |
436d318c | 370 | /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */ |
58964a49 RE |
371 | k=EVP_CIPHER_iv_length(c); |
372 | er1= &(s->s3->client_random[0]); | |
373 | er2= &(s->s3->server_random[0]); | |
374 | if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || | |
375 | (which == SSL3_CHANGE_CIPHER_SERVER_READ)) | |
376 | { | |
377 | ms= &(p[ 0]); n=i+i; | |
378 | key= &(p[ n]); n+=j+j; | |
379 | iv= &(p[ n]); n+=k+k; | |
380 | exp_label=(unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST; | |
381 | exp_label_len=TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE; | |
382 | client_write=1; | |
383 | } | |
384 | else | |
385 | { | |
386 | n=i; | |
387 | ms= &(p[ n]); n+=i+j; | |
388 | key= &(p[ n]); n+=j+k; | |
389 | iv= &(p[ n]); n+=k; | |
390 | exp_label=(unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST; | |
391 | exp_label_len=TLS_MD_SERVER_WRITE_KEY_CONST_SIZE; | |
392 | client_write=0; | |
393 | } | |
394 | ||
395 | if (n > s->s3->tmp.key_block_length) | |
396 | { | |
5277d7cb | 397 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR); |
58964a49 RE |
398 | goto err2; |
399 | } | |
400 | ||
401 | memcpy(mac_secret,ms,i); | |
402 | #ifdef TLS_DEBUG | |
403 | printf("which = %04X\nmac key=",which); | |
404 | { int z; for (z=0; z<i; z++) printf("%02X%c",ms[z],((z+1)%16)?' ':'\n'); } | |
405 | #endif | |
28797374 | 406 | if (is_export) |
58964a49 RE |
407 | { |
408 | /* In here I set both the read and write key/iv to the | |
409 | * same value since only the correct one will be used :-). | |
410 | */ | |
411 | p=buf; | |
412 | memcpy(p,exp_label,exp_label_len); | |
413 | p+=exp_label_len; | |
414 | memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE); | |
415 | p+=SSL3_RANDOM_SIZE; | |
416 | memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); | |
417 | p+=SSL3_RANDOM_SIZE; | |
dfeab068 | 418 | tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(p-buf),key,j, |
06ab81f9 | 419 | tmp1,tmp2,EVP_CIPHER_key_length(c)); |
58964a49 RE |
420 | key=tmp1; |
421 | ||
422 | if (k > 0) | |
423 | { | |
424 | p=buf; | |
425 | memcpy(p,TLS_MD_IV_BLOCK_CONST, | |
426 | TLS_MD_IV_BLOCK_CONST_SIZE); | |
427 | p+=TLS_MD_IV_BLOCK_CONST_SIZE; | |
428 | memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE); | |
429 | p+=SSL3_RANDOM_SIZE; | |
430 | memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); | |
431 | p+=SSL3_RANDOM_SIZE; | |
61f5b6f3 BL |
432 | tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,p-buf,empty,0, |
433 | iv1,iv2,k*2); | |
58964a49 RE |
434 | if (client_write) |
435 | iv=iv1; | |
436 | else | |
437 | iv= &(iv1[k]); | |
438 | } | |
439 | } | |
440 | ||
441 | s->session->key_arg_length=0; | |
f9b3bff6 RL |
442 | #ifdef KSSL_DEBUG |
443 | { | |
444 | int i; | |
581f1c84 | 445 | printf("EVP_CipherInit_ex(dd,c,key=,iv=,which)\n"); |
f9b3bff6 RL |
446 | printf("\tkey= "); for (i=0; i<c->key_len; i++) printf("%02x", key[i]); |
447 | printf("\n"); | |
448 | printf("\t iv= "); for (i=0; i<c->iv_len; i++) printf("%02x", iv[i]); | |
449 | printf("\n"); | |
450 | } | |
451 | #endif /* KSSL_DEBUG */ | |
58964a49 | 452 | |
581f1c84 | 453 | EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE)); |
58964a49 RE |
454 | #ifdef TLS_DEBUG |
455 | printf("which = %04X\nkey=",which); | |
456 | { int z; for (z=0; z<EVP_CIPHER_key_length(c); z++) printf("%02X%c",key[z],((z+1)%16)?' ':'\n'); } | |
457 | printf("\niv="); | |
458 | { int z; for (z=0; z<k; z++) printf("%02X%c",iv[z],((z+1)%16)?' ':'\n'); } | |
459 | printf("\n"); | |
460 | #endif | |
461 | ||
4579924b RL |
462 | OPENSSL_cleanse(tmp1,sizeof(tmp1)); |
463 | OPENSSL_cleanse(tmp2,sizeof(tmp1)); | |
464 | OPENSSL_cleanse(iv1,sizeof(iv1)); | |
465 | OPENSSL_cleanse(iv2,sizeof(iv2)); | |
58964a49 RE |
466 | return(1); |
467 | err: | |
468 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE); | |
469 | err2: | |
470 | return(0); | |
471 | } | |
472 | ||
6b691a5c | 473 | int tls1_setup_key_block(SSL *s) |
58964a49 RE |
474 | { |
475 | unsigned char *p1,*p2; | |
e778802f BL |
476 | const EVP_CIPHER *c; |
477 | const EVP_MD *hash; | |
06ab81f9 | 478 | int num; |
413c4f45 | 479 | SSL_COMP *comp; |
58964a49 | 480 | |
f9b3bff6 RL |
481 | #ifdef KSSL_DEBUG |
482 | printf ("tls1_setup_key_block()\n"); | |
483 | #endif /* KSSL_DEBUG */ | |
484 | ||
58964a49 RE |
485 | if (s->s3->tmp.key_block_length != 0) |
486 | return(1); | |
487 | ||
413c4f45 | 488 | if (!ssl_cipher_get_evp(s->session,&c,&hash,&comp)) |
58964a49 RE |
489 | { |
490 | SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE); | |
491 | return(0); | |
492 | } | |
493 | ||
494 | s->s3->tmp.new_sym_enc=c; | |
495 | s->s3->tmp.new_hash=hash; | |
496 | ||
58964a49 RE |
497 | num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c); |
498 | num*=2; | |
499 | ||
500 | ssl3_cleanup_key_block(s); | |
501 | ||
26a3a48d | 502 | if ((p1=(unsigned char *)OPENSSL_malloc(num)) == NULL) |
58964a49 | 503 | goto err; |
26a3a48d | 504 | if ((p2=(unsigned char *)OPENSSL_malloc(num)) == NULL) |
58964a49 RE |
505 | goto err; |
506 | ||
507 | s->s3->tmp.key_block_length=num; | |
508 | s->s3->tmp.key_block=p1; | |
509 | ||
510 | ||
511 | #ifdef TLS_DEBUG | |
512 | printf("client random\n"); | |
513 | { int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->client_random[z],((z+1)%16)?' ':'\n'); } | |
514 | printf("server random\n"); | |
515 | { int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->server_random[z],((z+1)%16)?' ':'\n'); } | |
516 | printf("pre-master\n"); | |
517 | { int z; for (z=0; z<s->session->master_key_length; z++) printf("%02X%c",s->session->master_key[z],((z+1)%16)?' ':'\n'); } | |
518 | #endif | |
519 | tls1_generate_key_block(s,p1,p2,num); | |
4579924b | 520 | OPENSSL_cleanse(p2,num); |
26a3a48d | 521 | OPENSSL_free(p2); |
58964a49 RE |
522 | #ifdef TLS_DEBUG |
523 | printf("\nkey block\n"); | |
524 | { int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); } | |
525 | #endif | |
526 | ||
c21506ba BM |
527 | if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) |
528 | { | |
529 | /* enable vulnerability countermeasure for CBC ciphers with | |
530 | * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) | |
531 | */ | |
532 | s->s3->need_empty_fragments = 1; | |
533 | ||
d1d0be3c BM |
534 | if (s->session->cipher != NULL) |
535 | { | |
52b8dad8 | 536 | if (s->session->cipher->algorithm_enc == SSL_eNULL) |
d1d0be3c BM |
537 | s->s3->need_empty_fragments = 0; |
538 | ||
539 | #ifndef OPENSSL_NO_RC4 | |
52b8dad8 | 540 | if (s->session->cipher->algorithm_enc == SSL_RC4) |
d1d0be3c | 541 | s->s3->need_empty_fragments = 0; |
82b0bf0b | 542 | #endif |
d1d0be3c | 543 | } |
c21506ba | 544 | } |
82b0bf0b | 545 | |
58964a49 RE |
546 | return(1); |
547 | err: | |
548 | SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE); | |
549 | return(0); | |
550 | } | |
551 | ||
6b691a5c | 552 | int tls1_enc(SSL *s, int send) |
58964a49 RE |
553 | { |
554 | SSL3_RECORD *rec; | |
555 | EVP_CIPHER_CTX *ds; | |
556 | unsigned long l; | |
557 | int bs,i,ii,j,k,n=0; | |
e778802f | 558 | const EVP_CIPHER *enc; |
58964a49 RE |
559 | |
560 | if (send) | |
561 | { | |
562 | if (s->write_hash != NULL) | |
563 | n=EVP_MD_size(s->write_hash); | |
564 | ds=s->enc_write_ctx; | |
565 | rec= &(s->s3->wrec); | |
566 | if (s->enc_write_ctx == NULL) | |
dfeab068 | 567 | enc=NULL; |
58964a49 | 568 | else |
58964a49 | 569 | enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx); |
58964a49 RE |
570 | } |
571 | else | |
572 | { | |
573 | if (s->read_hash != NULL) | |
574 | n=EVP_MD_size(s->read_hash); | |
575 | ds=s->enc_read_ctx; | |
576 | rec= &(s->s3->rrec); | |
577 | if (s->enc_read_ctx == NULL) | |
dfeab068 | 578 | enc=NULL; |
58964a49 | 579 | else |
58964a49 | 580 | enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx); |
58964a49 RE |
581 | } |
582 | ||
f9b3bff6 RL |
583 | #ifdef KSSL_DEBUG |
584 | printf("tls1_enc(%d)\n", send); | |
585 | #endif /* KSSL_DEBUG */ | |
586 | ||
58964a49 | 587 | if ((s->session == NULL) || (ds == NULL) || |
dfeab068 | 588 | (enc == NULL)) |
58964a49 | 589 | { |
44e48abc | 590 | memmove(rec->data,rec->input,rec->length); |
58964a49 RE |
591 | rec->input=rec->data; |
592 | } | |
593 | else | |
594 | { | |
595 | l=rec->length; | |
596 | bs=EVP_CIPHER_block_size(ds->cipher); | |
597 | ||
598 | if ((bs != 1) && send) | |
599 | { | |
600 | i=bs-((int)l%bs); | |
601 | ||
602 | /* Add weird padding of upto 256 bytes */ | |
603 | ||
604 | /* we need to add 'i' padding bytes of value j */ | |
605 | j=i-1; | |
606 | if (s->options & SSL_OP_TLS_BLOCK_PADDING_BUG) | |
607 | { | |
608 | if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG) | |
609 | j++; | |
610 | } | |
611 | for (k=(int)l; k<(int)(l+i); k++) | |
612 | rec->input[k]=j; | |
613 | l+=i; | |
614 | rec->length+=i; | |
615 | } | |
616 | ||
f9b3bff6 RL |
617 | #ifdef KSSL_DEBUG |
618 | { | |
45442167 | 619 | unsigned long ui; |
f9b3bff6 RL |
620 | printf("EVP_Cipher(ds=%p,rec->data=%p,rec->input=%p,l=%ld) ==>\n", |
621 | ds,rec->data,rec->input,l); | |
622 | printf("\tEVP_CIPHER_CTX: %d buf_len, %d key_len [%d %d], %d iv_len\n", | |
623 | ds->buf_len, ds->cipher->key_len, | |
624 | DES_KEY_SZ, DES_SCHEDULE_SZ, | |
625 | ds->cipher->iv_len); | |
626 | printf("\t\tIV: "); | |
627 | for (i=0; i<ds->cipher->iv_len; i++) printf("%02X", ds->iv[i]); | |
628 | printf("\n"); | |
629 | printf("\trec->input="); | |
45442167 | 630 | for (ui=0; ui<l; ui++) printf(" %02x", rec->input[ui]); |
f9b3bff6 RL |
631 | printf("\n"); |
632 | } | |
633 | #endif /* KSSL_DEBUG */ | |
634 | ||
285b4275 BM |
635 | if (!send) |
636 | { | |
637 | if (l == 0 || l%bs != 0) | |
638 | { | |
639 | SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG); | |
ee60d9fb BM |
640 | ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED); |
641 | return 0; | |
285b4275 BM |
642 | } |
643 | } | |
644 | ||
58964a49 RE |
645 | EVP_Cipher(ds,rec->data,rec->input,l); |
646 | ||
f9b3bff6 RL |
647 | #ifdef KSSL_DEBUG |
648 | { | |
649 | unsigned long i; | |
650 | printf("\trec->data="); | |
651 | for (i=0; i<l; i++) | |
652 | printf(" %02x", rec->data[i]); printf("\n"); | |
653 | } | |
654 | #endif /* KSSL_DEBUG */ | |
655 | ||
58964a49 RE |
656 | if ((bs != 1) && !send) |
657 | { | |
285b4275 | 658 | ii=i=rec->data[l-1]; /* padding_length */ |
58964a49 | 659 | i++; |
5cda6c45 DSH |
660 | /* NB: if compression is in operation the first packet |
661 | * may not be of even length so the padding bug check | |
662 | * cannot be performed. This bug workaround has been | |
663 | * around since SSLeay so hopefully it is either fixed | |
664 | * now or no buggy implementation supports compression | |
665 | * [steve] | |
666 | */ | |
667 | if ( (s->options&SSL_OP_TLS_BLOCK_PADDING_BUG) | |
668 | && !s->expand) | |
58964a49 RE |
669 | { |
670 | /* First packet is even in size, so check */ | |
671 | if ((memcmp(s->s3->read_sequence, | |
672 | "\0\0\0\0\0\0\0\0",8) == 0) && !(ii & 1)) | |
673 | s->s3->flags|=TLS1_FLAGS_TLS_PADDING_BUG; | |
674 | if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG) | |
675 | i--; | |
676 | } | |
285b4275 BM |
677 | /* TLS 1.0 does not bound the number of padding bytes by the block size. |
678 | * All of them must have value 'padding_length'. */ | |
58964a49 RE |
679 | if (i > (int)rec->length) |
680 | { | |
ee60d9fb BM |
681 | /* Incorrect padding. SSLerr() and ssl3_alert are done |
682 | * by caller: we don't want to reveal whether this is | |
965b6dad BM |
683 | * a decryption error or a MAC verification failure |
684 | * (see http://www.openssl.org/~bodo/tls-cbc.txt) */ | |
ee60d9fb | 685 | return -1; |
58964a49 RE |
686 | } |
687 | for (j=(int)(l-i); j<(int)l; j++) | |
688 | { | |
689 | if (rec->data[j] != ii) | |
690 | { | |
ee60d9fb BM |
691 | /* Incorrect padding */ |
692 | return -1; | |
58964a49 RE |
693 | } |
694 | } | |
695 | rec->length-=i; | |
696 | } | |
697 | } | |
698 | return(1); | |
699 | } | |
700 | ||
6b691a5c | 701 | int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in_ctx, unsigned char *out) |
58964a49 RE |
702 | { |
703 | unsigned int ret; | |
704 | EVP_MD_CTX ctx; | |
705 | ||
dbad1690 | 706 | EVP_MD_CTX_init(&ctx); |
20d2186c DSH |
707 | EVP_MD_CTX_copy_ex(&ctx,in_ctx); |
708 | EVP_DigestFinal_ex(&ctx,out,&ret); | |
dbad1690 | 709 | EVP_MD_CTX_cleanup(&ctx); |
58964a49 RE |
710 | return((int)ret); |
711 | } | |
712 | ||
6b691a5c | 713 | int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx, |
245206ea | 714 | const char *str, int slen, unsigned char *out) |
58964a49 RE |
715 | { |
716 | unsigned int i; | |
717 | EVP_MD_CTX ctx; | |
718 | unsigned char buf[TLS_MD_MAX_CONST_SIZE+MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH]; | |
719 | unsigned char *q,buf2[12]; | |
720 | ||
721 | q=buf; | |
722 | memcpy(q,str,slen); | |
723 | q+=slen; | |
724 | ||
dbad1690 | 725 | EVP_MD_CTX_init(&ctx); |
20d2186c DSH |
726 | EVP_MD_CTX_copy_ex(&ctx,in1_ctx); |
727 | EVP_DigestFinal_ex(&ctx,q,&i); | |
58964a49 | 728 | q+=i; |
20d2186c DSH |
729 | EVP_MD_CTX_copy_ex(&ctx,in2_ctx); |
730 | EVP_DigestFinal_ex(&ctx,q,&i); | |
58964a49 RE |
731 | q+=i; |
732 | ||
dfeab068 | 733 | tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(q-buf), |
58964a49 | 734 | s->session->master_key,s->session->master_key_length, |
54a656ef | 735 | out,buf2,sizeof buf2); |
dbad1690 | 736 | EVP_MD_CTX_cleanup(&ctx); |
58964a49 | 737 | |
54a656ef | 738 | return sizeof buf2; |
58964a49 RE |
739 | } |
740 | ||
6b691a5c | 741 | int tls1_mac(SSL *ssl, unsigned char *md, int send) |
58964a49 RE |
742 | { |
743 | SSL3_RECORD *rec; | |
744 | unsigned char *mac_sec,*seq; | |
e778802f | 745 | const EVP_MD *hash; |
58964a49 RE |
746 | unsigned int md_size; |
747 | int i; | |
748 | HMAC_CTX hmac; | |
749 | unsigned char buf[5]; | |
750 | ||
751 | if (send) | |
752 | { | |
753 | rec= &(ssl->s3->wrec); | |
754 | mac_sec= &(ssl->s3->write_mac_secret[0]); | |
755 | seq= &(ssl->s3->write_sequence[0]); | |
756 | hash=ssl->write_hash; | |
757 | } | |
758 | else | |
759 | { | |
760 | rec= &(ssl->s3->rrec); | |
761 | mac_sec= &(ssl->s3->read_mac_secret[0]); | |
762 | seq= &(ssl->s3->read_sequence[0]); | |
763 | hash=ssl->read_hash; | |
764 | } | |
765 | ||
766 | md_size=EVP_MD_size(hash); | |
767 | ||
768 | buf[0]=rec->type; | |
769 | buf[1]=TLS1_VERSION_MAJOR; | |
770 | buf[2]=TLS1_VERSION_MINOR; | |
771 | buf[3]=rec->length>>8; | |
772 | buf[4]=rec->length&0xff; | |
773 | ||
774 | /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */ | |
dbad1690 | 775 | HMAC_CTX_init(&hmac); |
de941e28 | 776 | HMAC_Init_ex(&hmac,mac_sec,EVP_MD_size(hash),hash,NULL); |
58964a49 RE |
777 | HMAC_Update(&hmac,seq,8); |
778 | HMAC_Update(&hmac,buf,5); | |
779 | HMAC_Update(&hmac,rec->input,rec->length); | |
780 | HMAC_Final(&hmac,md,&md_size); | |
dbad1690 | 781 | HMAC_CTX_cleanup(&hmac); |
58964a49 RE |
782 | |
783 | #ifdef TLS_DEBUG | |
784 | printf("sec="); | |
dfeab068 | 785 | {unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",mac_sec[z]); printf("\n"); } |
58964a49 RE |
786 | printf("seq="); |
787 | {int z; for (z=0; z<8; z++) printf("%02X ",seq[z]); printf("\n"); } | |
788 | printf("buf="); | |
789 | {int z; for (z=0; z<5; z++) printf("%02X ",buf[z]); printf("\n"); } | |
790 | printf("rec="); | |
dfeab068 | 791 | {unsigned int z; for (z=0; z<rec->length; z++) printf("%02X ",buf[z]); printf("\n"); } |
58964a49 RE |
792 | #endif |
793 | ||
36d16f8e BL |
794 | if ( SSL_version(ssl) != DTLS1_VERSION) |
795 | { | |
796 | for (i=7; i>=0; i--) | |
797 | { | |
798 | ++seq[i]; | |
799 | if (seq[i] != 0) break; | |
800 | } | |
1876cc32 | 801 | } |
58964a49 RE |
802 | |
803 | #ifdef TLS_DEBUG | |
dfeab068 | 804 | {unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",md[z]); printf("\n"); } |
58964a49 RE |
805 | #endif |
806 | return(md_size); | |
807 | } | |
808 | ||
6b691a5c UM |
809 | int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, |
810 | int len) | |
58964a49 RE |
811 | { |
812 | unsigned char buf[SSL3_RANDOM_SIZE*2+TLS_MD_MASTER_SECRET_CONST_SIZE]; | |
813 | unsigned char buff[SSL_MAX_MASTER_KEY_LENGTH]; | |
814 | ||
f9b3bff6 RL |
815 | #ifdef KSSL_DEBUG |
816 | printf ("tls1_generate_master_secret(%p,%p, %p, %d)\n", s,out, p,len); | |
817 | #endif /* KSSL_DEBUG */ | |
818 | ||
58964a49 RE |
819 | /* Setup the stuff to munge */ |
820 | memcpy(buf,TLS_MD_MASTER_SECRET_CONST, | |
821 | TLS_MD_MASTER_SECRET_CONST_SIZE); | |
822 | memcpy(&(buf[TLS_MD_MASTER_SECRET_CONST_SIZE]), | |
823 | s->s3->client_random,SSL3_RANDOM_SIZE); | |
824 | memcpy(&(buf[SSL3_RANDOM_SIZE+TLS_MD_MASTER_SECRET_CONST_SIZE]), | |
825 | s->s3->server_random,SSL3_RANDOM_SIZE); | |
826 | tls1_PRF(s->ctx->md5,s->ctx->sha1, | |
827 | buf,TLS_MD_MASTER_SECRET_CONST_SIZE+SSL3_RANDOM_SIZE*2,p,len, | |
54a656ef | 828 | s->session->master_key,buff,sizeof buff); |
f9b3bff6 RL |
829 | #ifdef KSSL_DEBUG |
830 | printf ("tls1_generate_master_secret() complete\n"); | |
831 | #endif /* KSSL_DEBUG */ | |
58964a49 RE |
832 | return(SSL3_MASTER_SECRET_SIZE); |
833 | } | |
834 | ||
6b691a5c | 835 | int tls1_alert_code(int code) |
58964a49 RE |
836 | { |
837 | switch (code) | |
838 | { | |
839 | case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY); | |
840 | case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE); | |
841 | case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC); | |
842 | case SSL_AD_DECRYPTION_FAILED: return(TLS1_AD_DECRYPTION_FAILED); | |
843 | case SSL_AD_RECORD_OVERFLOW: return(TLS1_AD_RECORD_OVERFLOW); | |
844 | case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE); | |
845 | case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
846 | case SSL_AD_NO_CERTIFICATE: return(-1); | |
847 | case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE); | |
848 | case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE); | |
849 | case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED); | |
850 | case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED); | |
851 | case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN); | |
852 | case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER); | |
853 | case SSL_AD_UNKNOWN_CA: return(TLS1_AD_UNKNOWN_CA); | |
854 | case SSL_AD_ACCESS_DENIED: return(TLS1_AD_ACCESS_DENIED); | |
855 | case SSL_AD_DECODE_ERROR: return(TLS1_AD_DECODE_ERROR); | |
856 | case SSL_AD_DECRYPT_ERROR: return(TLS1_AD_DECRYPT_ERROR); | |
657e60fa | 857 | case SSL_AD_EXPORT_RESTRICTION: return(TLS1_AD_EXPORT_RESTRICTION); |
58964a49 RE |
858 | case SSL_AD_PROTOCOL_VERSION: return(TLS1_AD_PROTOCOL_VERSION); |
859 | case SSL_AD_INSUFFICIENT_SECURITY:return(TLS1_AD_INSUFFICIENT_SECURITY); | |
860 | case SSL_AD_INTERNAL_ERROR: return(TLS1_AD_INTERNAL_ERROR); | |
657e60fa | 861 | case SSL_AD_USER_CANCELLED: return(TLS1_AD_USER_CANCELLED); |
58964a49 | 862 | case SSL_AD_NO_RENEGOTIATION: return(TLS1_AD_NO_RENEGOTIATION); |
d32f888d BM |
863 | case SSL_AD_UNSUPPORTED_EXTENSION: return(TLS1_AD_UNSUPPORTED_EXTENSION); |
864 | case SSL_AD_CERTIFICATE_UNOBTAINABLE: return(TLS1_AD_CERTIFICATE_UNOBTAINABLE); | |
f7914dbf | 865 | case SSL_AD_UNRECOGNIZED_NAME: return(TLS1_AD_UNRECOGNIZED_NAME); |
d32f888d BM |
866 | case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE); |
867 | case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(TLS1_AD_BAD_CERTIFICATE_HASH_VALUE); | |
ddac1974 | 868 | case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY); |
01c76c66 | 869 | #if 0 /* not appropriate for TLS, not used for DTLS */ |
36d16f8e BL |
870 | case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return |
871 | (DTLS1_AD_MISSING_HANDSHAKE_MESSAGE); | |
01c76c66 | 872 | #endif |
58964a49 RE |
873 | default: return(-1); |
874 | } | |
875 | } | |
876 |