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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" |
fceac0bc | 140 | #ifndef OPENSSL_NO_COMP |
ec577822 | 141 | #include <openssl/comp.h> |
fceac0bc | 142 | #endif |
ec577822 BM |
143 | #include <openssl/evp.h> |
144 | #include <openssl/hmac.h> | |
dbad1690 | 145 | #include <openssl/md5.h> |
637f374a | 146 | #include <openssl/rand.h> |
0e1dba93 DSH |
147 | #ifdef KSSL_DEBUG |
148 | #include <openssl/des.h> | |
149 | #endif | |
58964a49 | 150 | |
761772d7 | 151 | /* seed1 through seed5 are virtually concatenated */ |
7837c7ec | 152 | static int tls1_P_hash(const EVP_MD *md, const unsigned char *sec, |
761772d7 BM |
153 | int sec_len, |
154 | const void *seed1, int seed1_len, | |
155 | const void *seed2, int seed2_len, | |
156 | const void *seed3, int seed3_len, | |
157 | const void *seed4, int seed4_len, | |
158 | const void *seed5, int seed5_len, | |
61f5b6f3 | 159 | unsigned char *out, int olen) |
58964a49 | 160 | { |
c8bbd98a | 161 | int chunk; |
e9be051f | 162 | size_t j; |
e8b0dd57 | 163 | EVP_MD_CTX ctx, ctx_tmp, ctx_init; |
e9be051f | 164 | EVP_PKEY *mac_key; |
54a656ef | 165 | unsigned char A1[EVP_MAX_MD_SIZE]; |
e9be051f | 166 | size_t A1_len; |
7837c7ec | 167 | int ret = 0; |
58964a49 RE |
168 | |
169 | chunk=EVP_MD_size(md); | |
0eab41fb | 170 | OPENSSL_assert(chunk >= 0); |
58964a49 | 171 | |
e9be051f DSH |
172 | EVP_MD_CTX_init(&ctx); |
173 | EVP_MD_CTX_init(&ctx_tmp); | |
e8b0dd57 AP |
174 | EVP_MD_CTX_init(&ctx_init); |
175 | EVP_MD_CTX_set_flags(&ctx_init, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); | |
e9be051f DSH |
176 | mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, sec, sec_len); |
177 | if (!mac_key) | |
7837c7ec | 178 | goto err; |
e8b0dd57 | 179 | if (!EVP_DigestSignInit(&ctx_init,NULL,md, NULL, mac_key)) |
7837c7ec | 180 | goto err; |
e8b0dd57 | 181 | if (!EVP_MD_CTX_copy_ex(&ctx,&ctx_init)) |
7837c7ec | 182 | goto err; |
e9be051f | 183 | if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len)) |
7837c7ec | 184 | goto err; |
e9be051f | 185 | if (seed2 && !EVP_DigestSignUpdate(&ctx,seed2,seed2_len)) |
7837c7ec | 186 | goto err; |
e9be051f | 187 | if (seed3 && !EVP_DigestSignUpdate(&ctx,seed3,seed3_len)) |
7837c7ec | 188 | goto err; |
e9be051f | 189 | if (seed4 && !EVP_DigestSignUpdate(&ctx,seed4,seed4_len)) |
7837c7ec | 190 | goto err; |
e9be051f DSH |
191 | if (seed5 && !EVP_DigestSignUpdate(&ctx,seed5,seed5_len)) |
192 | goto err; | |
193 | if (!EVP_DigestSignFinal(&ctx,A1,&A1_len)) | |
7837c7ec | 194 | goto err; |
58964a49 | 195 | |
58964a49 RE |
196 | for (;;) |
197 | { | |
e9be051f | 198 | /* Reinit mac contexts */ |
e8b0dd57 | 199 | if (!EVP_MD_CTX_copy_ex(&ctx,&ctx_init)) |
7837c7ec | 200 | goto err; |
e9be051f | 201 | if (!EVP_DigestSignUpdate(&ctx,A1,A1_len)) |
7837c7ec | 202 | goto err; |
e8b0dd57 | 203 | if (olen>chunk && !EVP_MD_CTX_copy_ex(&ctx_tmp,&ctx)) |
7837c7ec | 204 | goto err; |
e9be051f | 205 | if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len)) |
7837c7ec | 206 | goto err; |
e9be051f | 207 | if (seed2 && !EVP_DigestSignUpdate(&ctx,seed2,seed2_len)) |
7837c7ec | 208 | goto err; |
e9be051f | 209 | if (seed3 && !EVP_DigestSignUpdate(&ctx,seed3,seed3_len)) |
7837c7ec | 210 | goto err; |
e9be051f | 211 | if (seed4 && !EVP_DigestSignUpdate(&ctx,seed4,seed4_len)) |
7837c7ec | 212 | goto err; |
e9be051f | 213 | if (seed5 && !EVP_DigestSignUpdate(&ctx,seed5,seed5_len)) |
7837c7ec | 214 | goto err; |
58964a49 RE |
215 | |
216 | if (olen > chunk) | |
217 | { | |
e9be051f | 218 | if (!EVP_DigestSignFinal(&ctx,out,&j)) |
7837c7ec | 219 | goto err; |
58964a49 RE |
220 | out+=j; |
221 | olen-=j; | |
e9be051f DSH |
222 | /* calc the next A1 value */ |
223 | if (!EVP_DigestSignFinal(&ctx_tmp,A1,&A1_len)) | |
7837c7ec | 224 | goto err; |
58964a49 RE |
225 | } |
226 | else /* last one */ | |
227 | { | |
e9be051f | 228 | if (!EVP_DigestSignFinal(&ctx,A1,&A1_len)) |
7837c7ec | 229 | goto err; |
58964a49 RE |
230 | memcpy(out,A1,olen); |
231 | break; | |
232 | } | |
233 | } | |
7837c7ec DSH |
234 | ret = 1; |
235 | err: | |
e9be051f DSH |
236 | EVP_PKEY_free(mac_key); |
237 | EVP_MD_CTX_cleanup(&ctx); | |
238 | EVP_MD_CTX_cleanup(&ctx_tmp); | |
e8b0dd57 | 239 | EVP_MD_CTX_cleanup(&ctx_init); |
4579924b | 240 | OPENSSL_cleanse(A1,sizeof(A1)); |
7837c7ec | 241 | return ret; |
58964a49 RE |
242 | } |
243 | ||
761772d7 | 244 | /* seed1 through seed5 are virtually concatenated */ |
7837c7ec | 245 | static int tls1_PRF(long digest_mask, |
761772d7 BM |
246 | const void *seed1, int seed1_len, |
247 | const void *seed2, int seed2_len, | |
248 | const void *seed3, int seed3_len, | |
249 | const void *seed4, int seed4_len, | |
250 | const void *seed5, int seed5_len, | |
251 | const unsigned char *sec, int slen, | |
252 | unsigned char *out1, | |
61f5b6f3 | 253 | unsigned char *out2, int olen) |
58964a49 | 254 | { |
81025661 DSH |
255 | int len,i,idx,count; |
256 | const unsigned char *S1; | |
257 | long m; | |
258 | const EVP_MD *md; | |
7837c7ec | 259 | int ret = 0; |
81025661 | 260 | |
761772d7 | 261 | /* Count number of digests and partition sec evenly */ |
81025661 DSH |
262 | count=0; |
263 | for (idx=0;ssl_get_handshake_digest(idx,&m,&md);idx++) { | |
264 | if ((m<<TLS1_PRF_DGST_SHIFT) & digest_mask) count++; | |
265 | } | |
266 | len=slen/count; | |
1b2047c5 DSH |
267 | if (count == 1) |
268 | slen = 0; | |
58964a49 | 269 | S1=sec; |
81025661 DSH |
270 | memset(out1,0,olen); |
271 | for (idx=0;ssl_get_handshake_digest(idx,&m,&md);idx++) { | |
272 | if ((m<<TLS1_PRF_DGST_SHIFT) & digest_mask) { | |
273 | if (!md) { | |
274 | SSLerr(SSL_F_TLS1_PRF, | |
275 | SSL_R_UNSUPPORTED_DIGEST_TYPE); | |
7837c7ec | 276 | goto err; |
81025661 | 277 | } |
7837c7ec DSH |
278 | if (!tls1_P_hash(md ,S1,len+(slen&1), |
279 | seed1,seed1_len,seed2,seed2_len,seed3,seed3_len,seed4,seed4_len,seed5,seed5_len, | |
280 | out2,olen)) | |
281 | goto err; | |
81025661 DSH |
282 | S1+=len; |
283 | for (i=0; i<olen; i++) | |
284 | { | |
285 | out1[i]^=out2[i]; | |
286 | } | |
287 | } | |
58964a49 | 288 | } |
7837c7ec DSH |
289 | ret = 1; |
290 | err: | |
291 | return ret; | |
81025661 | 292 | } |
7837c7ec | 293 | static int tls1_generate_key_block(SSL *s, unsigned char *km, |
6b691a5c | 294 | unsigned char *tmp, int num) |
58964a49 | 295 | { |
7837c7ec | 296 | int ret; |
7409d7ad | 297 | ret = tls1_PRF(ssl_get_algorithm2(s), |
761772d7 BM |
298 | TLS_MD_KEY_EXPANSION_CONST,TLS_MD_KEY_EXPANSION_CONST_SIZE, |
299 | s->s3->server_random,SSL3_RANDOM_SIZE, | |
300 | s->s3->client_random,SSL3_RANDOM_SIZE, | |
301 | NULL,0,NULL,0, | |
e4aac1cb BL |
302 | s->session->master_key,s->session->master_key_length, |
303 | km,tmp,num); | |
f9b3bff6 RL |
304 | #ifdef KSSL_DEBUG |
305 | printf("tls1_generate_key_block() ==> %d byte master_key =\n\t", | |
306 | s->session->master_key_length); | |
307 | { | |
308 | int i; | |
309 | for (i=0; i < s->session->master_key_length; i++) | |
310 | { | |
311 | printf("%02X", s->session->master_key[i]); | |
312 | } | |
313 | printf("\n"); } | |
314 | #endif /* KSSL_DEBUG */ | |
7837c7ec | 315 | return ret; |
58964a49 RE |
316 | } |
317 | ||
6b691a5c | 318 | int tls1_change_cipher_state(SSL *s, int which) |
58964a49 | 319 | { |
61f5b6f3 | 320 | static const unsigned char empty[]=""; |
c8bbd98a | 321 | unsigned char *p,*mac_secret; |
761772d7 | 322 | unsigned char *exp_label; |
58964a49 RE |
323 | unsigned char tmp1[EVP_MAX_KEY_LENGTH]; |
324 | unsigned char tmp2[EVP_MAX_KEY_LENGTH]; | |
325 | unsigned char iv1[EVP_MAX_IV_LENGTH*2]; | |
326 | unsigned char iv2[EVP_MAX_IV_LENGTH*2]; | |
c8bbd98a | 327 | unsigned char *ms,*key,*iv; |
58964a49 RE |
328 | int client_write; |
329 | EVP_CIPHER_CTX *dd; | |
e778802f | 330 | const EVP_CIPHER *c; |
09b6c2ef | 331 | #ifndef OPENSSL_NO_COMP |
e778802f | 332 | const SSL_COMP *comp; |
09b6c2ef | 333 | #endif |
e778802f | 334 | const EVP_MD *m; |
b948e2c5 DSH |
335 | int mac_type; |
336 | int *mac_secret_size; | |
337 | EVP_MD_CTX *mac_ctx; | |
338 | EVP_PKEY *mac_key; | |
28797374 BM |
339 | int is_export,n,i,j,k,exp_label_len,cl; |
340 | int reuse_dd = 0; | |
58964a49 | 341 | |
28797374 | 342 | is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
58964a49 RE |
343 | c=s->s3->tmp.new_sym_enc; |
344 | m=s->s3->tmp.new_hash; | |
b948e2c5 | 345 | mac_type = s->s3->tmp.new_mac_pkey_type; |
09b6c2ef | 346 | #ifndef OPENSSL_NO_COMP |
58964a49 | 347 | comp=s->s3->tmp.new_compression; |
09b6c2ef | 348 | #endif |
58964a49 | 349 | |
f9b3bff6 RL |
350 | #ifdef KSSL_DEBUG |
351 | printf("tls1_change_cipher_state(which= %d) w/\n", which); | |
52b8dad8 BM |
352 | printf("\talg= %ld/%ld, comp= %p\n", |
353 | s->s3->tmp.new_cipher->algorithm_mkey, | |
354 | s->s3->tmp.new_cipher->algorithm_auth, | |
6343829a GT |
355 | comp); |
356 | printf("\tevp_cipher == %p ==? &d_cbc_ede_cipher3\n", c); | |
357 | printf("\tevp_cipher: nid, blksz= %d, %d, keylen=%d, ivlen=%d\n", | |
358 | c->nid,c->block_size,c->key_len,c->iv_len); | |
f9b3bff6 RL |
359 | printf("\tkey_block: len= %d, data= ", s->s3->tmp.key_block_length); |
360 | { | |
6343829a GT |
361 | int i; |
362 | for (i=0; i<s->s3->tmp.key_block_length; i++) | |
4d88fc81 | 363 | printf("%02x", s->s3->tmp.key_block[i]); printf("\n"); |
f9b3bff6 RL |
364 | } |
365 | #endif /* KSSL_DEBUG */ | |
366 | ||
58964a49 RE |
367 | if (which & SSL3_CC_READ) |
368 | { | |
b948e2c5 DSH |
369 | if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC) |
370 | s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM; | |
7532071a | 371 | else |
b948e2c5 DSH |
372 | s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM; |
373 | ||
28797374 BM |
374 | if (s->enc_read_ctx != NULL) |
375 | reuse_dd = 1; | |
376 | else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL) | |
58964a49 | 377 | goto err; |
cc684e33 NL |
378 | else |
379 | /* make sure it's intialized in case we exit later with an error */ | |
380 | EVP_CIPHER_CTX_init(s->enc_read_ctx); | |
58964a49 | 381 | dd= s->enc_read_ctx; |
b948e2c5 | 382 | mac_ctx=ssl_replace_hash(&s->read_hash,NULL); |
09b6c2ef | 383 | #ifndef OPENSSL_NO_COMP |
dfeab068 RE |
384 | if (s->expand != NULL) |
385 | { | |
386 | COMP_CTX_free(s->expand); | |
387 | s->expand=NULL; | |
388 | } | |
389 | if (comp != NULL) | |
390 | { | |
413c4f45 | 391 | s->expand=COMP_CTX_new(comp->method); |
dfeab068 RE |
392 | if (s->expand == NULL) |
393 | { | |
394 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); | |
395 | goto err2; | |
396 | } | |
413c4f45 MC |
397 | if (s->s3->rrec.comp == NULL) |
398 | s->s3->rrec.comp=(unsigned char *) | |
26a3a48d | 399 | OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH); |
dfeab068 RE |
400 | if (s->s3->rrec.comp == NULL) |
401 | goto err; | |
402 | } | |
09b6c2ef | 403 | #endif |
36d16f8e BL |
404 | /* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */ |
405 | if (s->version != DTLS1_VERSION) | |
406 | memset(&(s->s3->read_sequence[0]),0,8); | |
58964a49 | 407 | mac_secret= &(s->s3->read_mac_secret[0]); |
b948e2c5 | 408 | mac_secret_size=&(s->s3->read_mac_secret_size); |
58964a49 RE |
409 | } |
410 | else | |
411 | { | |
b948e2c5 DSH |
412 | if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC) |
413 | s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM; | |
414 | else | |
415 | s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM; | |
20b82b51 | 416 | if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s)) |
28797374 | 417 | reuse_dd = 1; |
20b82b51 | 418 | else if ((s->enc_write_ctx=EVP_CIPHER_CTX_new()) == NULL) |
28797374 | 419 | goto err; |
58964a49 | 420 | dd= s->enc_write_ctx; |
20b82b51 DSH |
421 | if (SSL_IS_DTLS(s)) |
422 | { | |
423 | mac_ctx = EVP_MD_CTX_create(); | |
424 | if (!mac_ctx) | |
425 | goto err; | |
426 | s->write_hash = mac_ctx; | |
427 | } | |
428 | else | |
429 | mac_ctx = ssl_replace_hash(&s->write_hash,NULL); | |
09b6c2ef | 430 | #ifndef OPENSSL_NO_COMP |
dfeab068 RE |
431 | if (s->compress != NULL) |
432 | { | |
433 | COMP_CTX_free(s->compress); | |
434 | s->compress=NULL; | |
435 | } | |
436 | if (comp != NULL) | |
437 | { | |
413c4f45 | 438 | s->compress=COMP_CTX_new(comp->method); |
dfeab068 RE |
439 | if (s->compress == NULL) |
440 | { | |
441 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); | |
442 | goto err2; | |
443 | } | |
444 | } | |
09b6c2ef | 445 | #endif |
36d16f8e BL |
446 | /* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */ |
447 | if (s->version != DTLS1_VERSION) | |
448 | memset(&(s->s3->write_sequence[0]),0,8); | |
58964a49 | 449 | mac_secret= &(s->s3->write_mac_secret[0]); |
b948e2c5 | 450 | mac_secret_size = &(s->s3->write_mac_secret_size); |
58964a49 RE |
451 | } |
452 | ||
28797374 BM |
453 | if (reuse_dd) |
454 | EVP_CIPHER_CTX_cleanup(dd); | |
58964a49 RE |
455 | |
456 | p=s->s3->tmp.key_block; | |
b948e2c5 DSH |
457 | i=*mac_secret_size=s->s3->tmp.new_mac_secret_size; |
458 | ||
436d318c | 459 | cl=EVP_CIPHER_key_length(c); |
28797374 BM |
460 | j=is_export ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ? |
461 | cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl; | |
436d318c | 462 | /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */ |
28dd49fa DSH |
463 | /* If GCM mode only part of IV comes from PRF */ |
464 | if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) | |
465 | k = EVP_GCM_TLS_FIXED_IV_LEN; | |
466 | else | |
467 | k=EVP_CIPHER_iv_length(c); | |
58964a49 RE |
468 | if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || |
469 | (which == SSL3_CHANGE_CIPHER_SERVER_READ)) | |
470 | { | |
471 | ms= &(p[ 0]); n=i+i; | |
472 | key= &(p[ n]); n+=j+j; | |
473 | iv= &(p[ n]); n+=k+k; | |
474 | exp_label=(unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST; | |
475 | exp_label_len=TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE; | |
476 | client_write=1; | |
477 | } | |
478 | else | |
479 | { | |
480 | n=i; | |
481 | ms= &(p[ n]); n+=i+j; | |
482 | key= &(p[ n]); n+=j+k; | |
483 | iv= &(p[ n]); n+=k; | |
484 | exp_label=(unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST; | |
485 | exp_label_len=TLS_MD_SERVER_WRITE_KEY_CONST_SIZE; | |
486 | client_write=0; | |
487 | } | |
488 | ||
489 | if (n > s->s3->tmp.key_block_length) | |
490 | { | |
5277d7cb | 491 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR); |
58964a49 RE |
492 | goto err2; |
493 | } | |
494 | ||
495 | memcpy(mac_secret,ms,i); | |
7532071a AP |
496 | |
497 | if (!(EVP_CIPHER_flags(c)&EVP_CIPH_FLAG_AEAD_CIPHER)) | |
498 | { | |
499 | mac_key = EVP_PKEY_new_mac_key(mac_type, NULL, | |
500 | mac_secret,*mac_secret_size); | |
501 | EVP_DigestSignInit(mac_ctx,NULL,m,NULL,mac_key); | |
502 | EVP_PKEY_free(mac_key); | |
503 | } | |
58964a49 RE |
504 | #ifdef TLS_DEBUG |
505 | printf("which = %04X\nmac key=",which); | |
506 | { int z; for (z=0; z<i; z++) printf("%02X%c",ms[z],((z+1)%16)?' ':'\n'); } | |
507 | #endif | |
28797374 | 508 | if (is_export) |
58964a49 RE |
509 | { |
510 | /* In here I set both the read and write key/iv to the | |
511 | * same value since only the correct one will be used :-). | |
512 | */ | |
7409d7ad | 513 | if (!tls1_PRF(ssl_get_algorithm2(s), |
7837c7ec DSH |
514 | exp_label,exp_label_len, |
515 | s->s3->client_random,SSL3_RANDOM_SIZE, | |
516 | s->s3->server_random,SSL3_RANDOM_SIZE, | |
517 | NULL,0,NULL,0, | |
518 | key,j,tmp1,tmp2,EVP_CIPHER_key_length(c))) | |
519 | goto err2; | |
58964a49 RE |
520 | key=tmp1; |
521 | ||
522 | if (k > 0) | |
523 | { | |
7409d7ad | 524 | if (!tls1_PRF(ssl_get_algorithm2(s), |
7837c7ec DSH |
525 | TLS_MD_IV_BLOCK_CONST,TLS_MD_IV_BLOCK_CONST_SIZE, |
526 | s->s3->client_random,SSL3_RANDOM_SIZE, | |
527 | s->s3->server_random,SSL3_RANDOM_SIZE, | |
528 | NULL,0,NULL,0, | |
529 | empty,0,iv1,iv2,k*2)) | |
530 | goto err2; | |
58964a49 RE |
531 | if (client_write) |
532 | iv=iv1; | |
533 | else | |
534 | iv= &(iv1[k]); | |
535 | } | |
536 | } | |
537 | ||
f9b3bff6 RL |
538 | #ifdef KSSL_DEBUG |
539 | { | |
6343829a | 540 | int i; |
581f1c84 | 541 | printf("EVP_CipherInit_ex(dd,c,key=,iv=,which)\n"); |
6343829a | 542 | printf("\tkey= "); for (i=0; i<c->key_len; i++) printf("%02x", key[i]); |
f9b3bff6 | 543 | printf("\n"); |
6343829a | 544 | printf("\t iv= "); for (i=0; i<c->iv_len; i++) printf("%02x", iv[i]); |
f9b3bff6 RL |
545 | printf("\n"); |
546 | } | |
547 | #endif /* KSSL_DEBUG */ | |
58964a49 | 548 | |
28dd49fa DSH |
549 | if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) |
550 | { | |
551 | EVP_CipherInit_ex(dd,c,NULL,key,NULL,(which & SSL3_CC_WRITE)); | |
552 | EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, k, iv); | |
553 | } | |
554 | else | |
555 | EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE)); | |
7532071a AP |
556 | |
557 | /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */ | |
558 | if ((EVP_CIPHER_flags(c)&EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size) | |
559 | EVP_CIPHER_CTX_ctrl(dd,EVP_CTRL_AEAD_SET_MAC_KEY, | |
560 | *mac_secret_size,mac_secret); | |
561 | ||
1cf218bc DSH |
562 | #ifdef OPENSSL_SSL_TRACE_CRYPTO |
563 | if (s->msg_callback) | |
564 | { | |
565 | int wh = which & SSL3_CC_WRITE ? TLS1_RT_CRYPTO_WRITE : 0; | |
566 | if (*mac_secret_size) | |
567 | s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC, | |
568 | mac_secret, *mac_secret_size, | |
569 | s, s->msg_callback_arg); | |
570 | if (c->key_len) | |
571 | s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY, | |
572 | key, c->key_len, | |
573 | s, s->msg_callback_arg); | |
574 | if (k) | |
575 | { | |
576 | if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) | |
577 | wh |= TLS1_RT_CRYPTO_FIXED_IV; | |
578 | else | |
579 | wh |= TLS1_RT_CRYPTO_IV; | |
580 | s->msg_callback(2, s->version, wh, iv, k, | |
581 | s, s->msg_callback_arg); | |
582 | } | |
583 | } | |
584 | #endif | |
585 | ||
58964a49 RE |
586 | #ifdef TLS_DEBUG |
587 | printf("which = %04X\nkey=",which); | |
588 | { int z; for (z=0; z<EVP_CIPHER_key_length(c); z++) printf("%02X%c",key[z],((z+1)%16)?' ':'\n'); } | |
589 | printf("\niv="); | |
590 | { int z; for (z=0; z<k; z++) printf("%02X%c",iv[z],((z+1)%16)?' ':'\n'); } | |
591 | printf("\n"); | |
592 | #endif | |
593 | ||
4579924b RL |
594 | OPENSSL_cleanse(tmp1,sizeof(tmp1)); |
595 | OPENSSL_cleanse(tmp2,sizeof(tmp1)); | |
596 | OPENSSL_cleanse(iv1,sizeof(iv1)); | |
597 | OPENSSL_cleanse(iv2,sizeof(iv2)); | |
58964a49 RE |
598 | return(1); |
599 | err: | |
600 | SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE); | |
601 | err2: | |
602 | return(0); | |
603 | } | |
604 | ||
6b691a5c | 605 | int tls1_setup_key_block(SSL *s) |
58964a49 | 606 | { |
7837c7ec | 607 | unsigned char *p1,*p2=NULL; |
e778802f BL |
608 | const EVP_CIPHER *c; |
609 | const EVP_MD *hash; | |
06ab81f9 | 610 | int num; |
413c4f45 | 611 | SSL_COMP *comp; |
b948e2c5 | 612 | int mac_type= NID_undef,mac_secret_size=0; |
7837c7ec | 613 | int ret=0; |
58964a49 | 614 | |
f9b3bff6 RL |
615 | #ifdef KSSL_DEBUG |
616 | printf ("tls1_setup_key_block()\n"); | |
617 | #endif /* KSSL_DEBUG */ | |
618 | ||
58964a49 RE |
619 | if (s->s3->tmp.key_block_length != 0) |
620 | return(1); | |
621 | ||
5e3ff62c | 622 | if (!ssl_cipher_get_evp(s->session,&c,&hash,&mac_type,&mac_secret_size,&comp, SSL_USE_ETM(s))) |
58964a49 RE |
623 | { |
624 | SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE); | |
625 | return(0); | |
626 | } | |
627 | ||
628 | s->s3->tmp.new_sym_enc=c; | |
629 | s->s3->tmp.new_hash=hash; | |
b948e2c5 DSH |
630 | s->s3->tmp.new_mac_pkey_type = mac_type; |
631 | s->s3->tmp.new_mac_secret_size = mac_secret_size; | |
632 | num=EVP_CIPHER_key_length(c)+mac_secret_size+EVP_CIPHER_iv_length(c); | |
58964a49 RE |
633 | num*=2; |
634 | ||
635 | ssl3_cleanup_key_block(s); | |
636 | ||
26a3a48d | 637 | if ((p1=(unsigned char *)OPENSSL_malloc(num)) == NULL) |
7837c7ec DSH |
638 | { |
639 | SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE); | |
58964a49 | 640 | goto err; |
7837c7ec | 641 | } |
58964a49 RE |
642 | |
643 | s->s3->tmp.key_block_length=num; | |
644 | s->s3->tmp.key_block=p1; | |
645 | ||
7837c7ec DSH |
646 | if ((p2=(unsigned char *)OPENSSL_malloc(num)) == NULL) |
647 | { | |
648 | SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE); | |
649 | goto err; | |
650 | } | |
58964a49 RE |
651 | |
652 | #ifdef TLS_DEBUG | |
653 | printf("client random\n"); | |
654 | { int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->client_random[z],((z+1)%16)?' ':'\n'); } | |
655 | printf("server random\n"); | |
656 | { int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->server_random[z],((z+1)%16)?' ':'\n'); } | |
e67ddd19 | 657 | printf("master key\n"); |
58964a49 RE |
658 | { int z; for (z=0; z<s->session->master_key_length; z++) printf("%02X%c",s->session->master_key[z],((z+1)%16)?' ':'\n'); } |
659 | #endif | |
7837c7ec DSH |
660 | if (!tls1_generate_key_block(s,p1,p2,num)) |
661 | goto err; | |
58964a49 RE |
662 | #ifdef TLS_DEBUG |
663 | printf("\nkey block\n"); | |
664 | { int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); } | |
665 | #endif | |
666 | ||
9674de7d DSH |
667 | if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) |
668 | && s->method->version <= TLS1_VERSION) | |
c21506ba BM |
669 | { |
670 | /* enable vulnerability countermeasure for CBC ciphers with | |
671 | * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) | |
672 | */ | |
673 | s->s3->need_empty_fragments = 1; | |
674 | ||
d1d0be3c BM |
675 | if (s->session->cipher != NULL) |
676 | { | |
52b8dad8 | 677 | if (s->session->cipher->algorithm_enc == SSL_eNULL) |
d1d0be3c BM |
678 | s->s3->need_empty_fragments = 0; |
679 | ||
680 | #ifndef OPENSSL_NO_RC4 | |
52b8dad8 | 681 | if (s->session->cipher->algorithm_enc == SSL_RC4) |
d1d0be3c | 682 | s->s3->need_empty_fragments = 0; |
82b0bf0b | 683 | #endif |
d1d0be3c | 684 | } |
c21506ba | 685 | } |
82b0bf0b | 686 | |
7837c7ec | 687 | ret = 1; |
58964a49 | 688 | err: |
7837c7ec DSH |
689 | if (p2) |
690 | { | |
691 | OPENSSL_cleanse(p2,num); | |
692 | OPENSSL_free(p2); | |
693 | } | |
694 | return(ret); | |
58964a49 RE |
695 | } |
696 | ||
93cab6b3 BL |
697 | /* tls1_enc encrypts/decrypts the record in |s->wrec| / |s->rrec|, respectively. |
698 | * | |
699 | * Returns: | |
700 | * 0: (in non-constant time) if the record is publically invalid (i.e. too | |
701 | * short etc). | |
702 | * 1: if the record's padding is valid / the encryption was successful. | |
703 | * -1: if the record's padding/AEAD-authenticator is invalid or, if sending, | |
478b50cf | 704 | * an internal error occurred. |
93cab6b3 | 705 | */ |
6b691a5c | 706 | int tls1_enc(SSL *s, int send) |
58964a49 RE |
707 | { |
708 | SSL3_RECORD *rec; | |
709 | EVP_CIPHER_CTX *ds; | |
710 | unsigned long l; | |
2acc020b | 711 | int bs,i,j,k,pad=0,ret,mac_size=0; |
e778802f | 712 | const EVP_CIPHER *enc; |
58964a49 RE |
713 | |
714 | if (send) | |
715 | { | |
b948e2c5 | 716 | if (EVP_MD_CTX_md(s->write_hash)) |
0eab41fb | 717 | { |
7532071a | 718 | int n=EVP_MD_CTX_size(s->write_hash); |
0eab41fb BL |
719 | OPENSSL_assert(n >= 0); |
720 | } | |
58964a49 RE |
721 | ds=s->enc_write_ctx; |
722 | rec= &(s->s3->wrec); | |
723 | if (s->enc_write_ctx == NULL) | |
dfeab068 | 724 | enc=NULL; |
58964a49 | 725 | else |
637f374a DSH |
726 | { |
727 | int ivlen; | |
58964a49 | 728 | enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx); |
637f374a | 729 | /* For TLSv1.1 and later explicit IV */ |
4221c0dd | 730 | if (SSL_USE_EXPLICIT_IV(s) |
e15320f6 | 731 | && EVP_CIPHER_mode(enc) == EVP_CIPH_CBC_MODE) |
637f374a DSH |
732 | ivlen = EVP_CIPHER_iv_length(enc); |
733 | else | |
734 | ivlen = 0; | |
735 | if (ivlen > 1) | |
736 | { | |
737 | if ( rec->data != rec->input) | |
7532071a AP |
738 | /* we can't write into the input stream: |
739 | * Can this ever happen?? (steve) | |
740 | */ | |
741 | fprintf(stderr, | |
742 | "%s:%d: rec->data != rec->input\n", | |
743 | __FILE__, __LINE__); | |
637f374a DSH |
744 | else if (RAND_bytes(rec->input, ivlen) <= 0) |
745 | return -1; | |
746 | } | |
747 | } | |
58964a49 RE |
748 | } |
749 | else | |
750 | { | |
b948e2c5 | 751 | if (EVP_MD_CTX_md(s->read_hash)) |
0eab41fb | 752 | { |
7532071a | 753 | int n=EVP_MD_CTX_size(s->read_hash); |
0eab41fb BL |
754 | OPENSSL_assert(n >= 0); |
755 | } | |
58964a49 RE |
756 | ds=s->enc_read_ctx; |
757 | rec= &(s->s3->rrec); | |
758 | if (s->enc_read_ctx == NULL) | |
dfeab068 | 759 | enc=NULL; |
58964a49 | 760 | else |
58964a49 | 761 | enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx); |
58964a49 RE |
762 | } |
763 | ||
f9b3bff6 RL |
764 | #ifdef KSSL_DEBUG |
765 | printf("tls1_enc(%d)\n", send); | |
766 | #endif /* KSSL_DEBUG */ | |
767 | ||
2acc020b | 768 | if ((s->session == NULL) || (ds == NULL) || (enc == NULL)) |
58964a49 | 769 | { |
44e48abc | 770 | memmove(rec->data,rec->input,rec->length); |
58964a49 | 771 | rec->input=rec->data; |
2acc020b | 772 | ret = 1; |
58964a49 RE |
773 | } |
774 | else | |
775 | { | |
776 | l=rec->length; | |
777 | bs=EVP_CIPHER_block_size(ds->cipher); | |
778 | ||
7532071a AP |
779 | if (EVP_CIPHER_flags(ds->cipher)&EVP_CIPH_FLAG_AEAD_CIPHER) |
780 | { | |
781 | unsigned char buf[13],*seq; | |
782 | ||
783 | seq = send?s->s3->write_sequence:s->s3->read_sequence; | |
784 | ||
cbd64894 | 785 | if (SSL_IS_DTLS(s)) |
7532071a AP |
786 | { |
787 | unsigned char dtlsseq[9],*p=dtlsseq; | |
788 | ||
789 | s2n(send?s->d1->w_epoch:s->d1->r_epoch,p); | |
790 | memcpy(p,&seq[2],6); | |
791 | memcpy(buf,dtlsseq,8); | |
792 | } | |
793 | else | |
794 | { | |
795 | memcpy(buf,seq,8); | |
796 | for (i=7; i>=0; i--) /* increment */ | |
797 | { | |
798 | ++seq[i]; | |
799 | if (seq[i] != 0) break; | |
800 | } | |
801 | } | |
802 | ||
803 | buf[8]=rec->type; | |
804 | buf[9]=(unsigned char)(s->version>>8); | |
805 | buf[10]=(unsigned char)(s->version); | |
806 | buf[11]=rec->length>>8; | |
807 | buf[12]=rec->length&0xff; | |
808 | pad=EVP_CIPHER_CTX_ctrl(ds,EVP_CTRL_AEAD_TLS1_AAD,13,buf); | |
809 | if (send) | |
810 | { | |
811 | l+=pad; | |
812 | rec->length+=pad; | |
813 | } | |
814 | } | |
815 | else if ((bs != 1) && send) | |
58964a49 RE |
816 | { |
817 | i=bs-((int)l%bs); | |
818 | ||
819 | /* Add weird padding of upto 256 bytes */ | |
820 | ||
821 | /* we need to add 'i' padding bytes of value j */ | |
822 | j=i-1; | |
823 | if (s->options & SSL_OP_TLS_BLOCK_PADDING_BUG) | |
824 | { | |
825 | if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG) | |
826 | j++; | |
827 | } | |
828 | for (k=(int)l; k<(int)(l+i); k++) | |
829 | rec->input[k]=j; | |
830 | l+=i; | |
831 | rec->length+=i; | |
832 | } | |
833 | ||
f9b3bff6 RL |
834 | #ifdef KSSL_DEBUG |
835 | { | |
2acc020b | 836 | unsigned long ui; |
f9b3bff6 | 837 | printf("EVP_Cipher(ds=%p,rec->data=%p,rec->input=%p,l=%ld) ==>\n", |
2acc020b | 838 | ds,rec->data,rec->input,l); |
6343829a | 839 | printf("\tEVP_CIPHER_CTX: %d buf_len, %d key_len [%d %d], %d iv_len\n", |
2acc020b BL |
840 | ds->buf_len, ds->cipher->key_len, |
841 | DES_KEY_SZ, DES_SCHEDULE_SZ, | |
842 | ds->cipher->iv_len); | |
f9b3bff6 RL |
843 | printf("\t\tIV: "); |
844 | for (i=0; i<ds->cipher->iv_len; i++) printf("%02X", ds->iv[i]); | |
845 | printf("\n"); | |
846 | printf("\trec->input="); | |
45442167 | 847 | for (ui=0; ui<l; ui++) printf(" %02x", rec->input[ui]); |
f9b3bff6 RL |
848 | printf("\n"); |
849 | } | |
850 | #endif /* KSSL_DEBUG */ | |
851 | ||
285b4275 BM |
852 | if (!send) |
853 | { | |
854 | if (l == 0 || l%bs != 0) | |
ee60d9fb | 855 | return 0; |
285b4275 BM |
856 | } |
857 | ||
d2add2ef AP |
858 | i = EVP_Cipher(ds,rec->data,rec->input,l); |
859 | if ((EVP_CIPHER_flags(ds->cipher)&EVP_CIPH_FLAG_CUSTOM_CIPHER) | |
860 | ?(i<0) | |
861 | :(i==0)) | |
7532071a | 862 | return -1; /* AEAD can fail to verify MAC */ |
28dd49fa DSH |
863 | if (EVP_CIPHER_mode(enc) == EVP_CIPH_GCM_MODE && !send) |
864 | { | |
865 | rec->data += EVP_GCM_TLS_EXPLICIT_IV_LEN; | |
866 | rec->input += EVP_GCM_TLS_EXPLICIT_IV_LEN; | |
867 | rec->length -= EVP_GCM_TLS_EXPLICIT_IV_LEN; | |
868 | } | |
58964a49 | 869 | |
f9b3bff6 RL |
870 | #ifdef KSSL_DEBUG |
871 | { | |
2acc020b BL |
872 | unsigned long i; |
873 | printf("\trec->data="); | |
6343829a | 874 | for (i=0; i<l; i++) |
2acc020b BL |
875 | printf(" %02x", rec->data[i]); printf("\n"); |
876 | } | |
f9b3bff6 RL |
877 | #endif /* KSSL_DEBUG */ |
878 | ||
2acc020b | 879 | ret = 1; |
5e3ff62c | 880 | if (!SSL_USE_ETM(s) && EVP_MD_CTX_md(s->read_hash) != NULL) |
2acc020b | 881 | mac_size = EVP_MD_CTX_size(s->read_hash); |
58964a49 | 882 | if ((bs != 1) && !send) |
2acc020b | 883 | ret = tls1_cbc_remove_padding(s, rec, bs, mac_size); |
7532071a AP |
884 | if (pad && !send) |
885 | rec->length -= pad; | |
58964a49 | 886 | } |
2acc020b | 887 | return ret; |
58964a49 | 888 | } |
2acc020b | 889 | |
81025661 | 890 | int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *out) |
58964a49 RE |
891 | { |
892 | unsigned int ret; | |
81025661 DSH |
893 | EVP_MD_CTX ctx, *d=NULL; |
894 | int i; | |
895 | ||
896 | if (s->s3->handshake_buffer) | |
6ba71a71 BL |
897 | if (!ssl3_digest_cached_records(s)) |
898 | return 0; | |
899 | ||
81025661 DSH |
900 | for (i=0;i<SSL_MAX_DIGEST;i++) |
901 | { | |
902 | if (s->s3->handshake_dgst[i]&&EVP_MD_CTX_type(s->s3->handshake_dgst[i])==md_nid) | |
903 | { | |
904 | d=s->s3->handshake_dgst[i]; | |
905 | break; | |
906 | } | |
907 | } | |
908 | if (!d) { | |
909 | SSLerr(SSL_F_TLS1_CERT_VERIFY_MAC,SSL_R_NO_REQUIRED_DIGEST); | |
910 | return 0; | |
911 | } | |
58964a49 | 912 | |
dbad1690 | 913 | EVP_MD_CTX_init(&ctx); |
81025661 | 914 | EVP_MD_CTX_copy_ex(&ctx,d); |
20d2186c | 915 | EVP_DigestFinal_ex(&ctx,out,&ret); |
dbad1690 | 916 | EVP_MD_CTX_cleanup(&ctx); |
58964a49 RE |
917 | return((int)ret); |
918 | } | |
919 | ||
81025661 | 920 | int tls1_final_finish_mac(SSL *s, |
245206ea | 921 | const char *str, int slen, unsigned char *out) |
58964a49 RE |
922 | { |
923 | unsigned int i; | |
924 | EVP_MD_CTX ctx; | |
761772d7 | 925 | unsigned char buf[2*EVP_MAX_MD_SIZE]; |
58964a49 | 926 | unsigned char *q,buf2[12]; |
81025661 DSH |
927 | int idx; |
928 | long mask; | |
761772d7 | 929 | int err=0; |
81025661 | 930 | const EVP_MD *md; |
58964a49 RE |
931 | |
932 | q=buf; | |
58964a49 | 933 | |
81025661 | 934 | if (s->s3->handshake_buffer) |
6ba71a71 BL |
935 | if (!ssl3_digest_cached_records(s)) |
936 | return 0; | |
937 | ||
938 | EVP_MD_CTX_init(&ctx); | |
81025661 | 939 | |
761772d7 BM |
940 | for (idx=0;ssl_get_handshake_digest(idx,&mask,&md);idx++) |
941 | { | |
7409d7ad | 942 | if (mask & ssl_get_algorithm2(s)) |
761772d7 | 943 | { |
d7ecd422 | 944 | int hashsize = EVP_MD_size(md); |
ed496b3d DSH |
945 | EVP_MD_CTX *hdgst = s->s3->handshake_dgst[idx]; |
946 | if (!hdgst || hashsize < 0 || hashsize > (int)(sizeof buf - (size_t)(q-buf))) | |
761772d7 BM |
947 | { |
948 | /* internal error: 'buf' is too small for this cipersuite! */ | |
949 | err = 1; | |
950 | } | |
951 | else | |
952 | { | |
ed496b3d DSH |
953 | if (!EVP_MD_CTX_copy_ex(&ctx, hdgst) || |
954 | !EVP_DigestFinal_ex(&ctx,q,&i) || | |
955 | (i != (unsigned int)hashsize)) | |
761772d7 | 956 | err = 1; |
ed496b3d | 957 | q+=hashsize; |
761772d7 BM |
958 | } |
959 | } | |
81025661 | 960 | } |
761772d7 | 961 | |
7409d7ad | 962 | if (!tls1_PRF(ssl_get_algorithm2(s), |
7837c7ec DSH |
963 | str,slen, buf,(int)(q-buf), NULL,0, NULL,0, NULL,0, |
964 | s->session->master_key,s->session->master_key_length, | |
965 | out,buf2,sizeof buf2)) | |
966 | err = 1; | |
dbad1690 | 967 | EVP_MD_CTX_cleanup(&ctx); |
58964a49 | 968 | |
761772d7 BM |
969 | if (err) |
970 | return 0; | |
971 | else | |
972 | return sizeof buf2; | |
58964a49 RE |
973 | } |
974 | ||
6b691a5c | 975 | int tls1_mac(SSL *ssl, unsigned char *md, int send) |
58964a49 RE |
976 | { |
977 | SSL3_RECORD *rec; | |
c8bbd98a | 978 | unsigned char *seq; |
b948e2c5 | 979 | EVP_MD_CTX *hash; |
dd7e60bd | 980 | size_t md_size; |
58964a49 | 981 | int i; |
b948e2c5 | 982 | EVP_MD_CTX hmac, *mac_ctx; |
2acc020b | 983 | unsigned char header[13]; |
b948e2c5 | 984 | int stream_mac = (send?(ssl->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM):(ssl->mac_flags&SSL_MAC_FLAG_READ_MAC_STREAM)); |
0eab41fb | 985 | int t; |
4fe55663 | 986 | |
58964a49 RE |
987 | if (send) |
988 | { | |
989 | rec= &(ssl->s3->wrec); | |
58964a49 RE |
990 | seq= &(ssl->s3->write_sequence[0]); |
991 | hash=ssl->write_hash; | |
992 | } | |
993 | else | |
994 | { | |
995 | rec= &(ssl->s3->rrec); | |
58964a49 RE |
996 | seq= &(ssl->s3->read_sequence[0]); |
997 | hash=ssl->read_hash; | |
998 | } | |
999 | ||
0eab41fb BL |
1000 | t=EVP_MD_CTX_size(hash); |
1001 | OPENSSL_assert(t >= 0); | |
1002 | md_size=t; | |
58964a49 | 1003 | |
58964a49 | 1004 | /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */ |
b948e2c5 DSH |
1005 | if (stream_mac) |
1006 | { | |
1007 | mac_ctx = hash; | |
1008 | } | |
1009 | else | |
1010 | { | |
03da57fe AP |
1011 | if (!EVP_MD_CTX_copy(&hmac,hash)) |
1012 | return -1; | |
b948e2c5 | 1013 | mac_ctx = &hmac; |
4fe55663 AP |
1014 | } |
1015 | ||
cbd64894 | 1016 | if (SSL_IS_DTLS(ssl)) |
4fe55663 AP |
1017 | { |
1018 | unsigned char dtlsseq[8],*p=dtlsseq; | |
1019 | ||
1020 | s2n(send?ssl->d1->w_epoch:ssl->d1->r_epoch, p); | |
1021 | memcpy (p,&seq[2],6); | |
1022 | ||
2acc020b | 1023 | memcpy(header, dtlsseq, 8); |
4fe55663 AP |
1024 | } |
1025 | else | |
2acc020b BL |
1026 | memcpy(header, seq, 8); |
1027 | ||
1028 | header[8]=rec->type; | |
1029 | header[9]=(unsigned char)(ssl->version>>8); | |
1030 | header[10]=(unsigned char)(ssl->version); | |
1031 | header[11]=(rec->length)>>8; | |
1032 | header[12]=(rec->length)&0xff; | |
4fe55663 | 1033 | |
5e3ff62c | 1034 | if (!send && !SSL_USE_ETM(ssl) && |
2acc020b BL |
1035 | EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE && |
1036 | ssl3_cbc_record_digest_supported(mac_ctx)) | |
1037 | { | |
1038 | /* This is a CBC-encrypted record. We must avoid leaking any | |
1039 | * timing-side channel information about how many blocks of | |
1040 | * data we are hashing because that gives an attacker a | |
1041 | * timing-oracle. */ | |
1042 | ssl3_cbc_digest_record( | |
1043 | mac_ctx, | |
1044 | md, &md_size, | |
1045 | header, rec->input, | |
dd7e60bd | 1046 | rec->length + md_size, rec->orig_len, |
2acc020b BL |
1047 | ssl->s3->read_mac_secret, |
1048 | ssl->s3->read_mac_secret_size, | |
1049 | 0 /* not SSLv3 */); | |
1050 | } | |
1051 | else | |
1052 | { | |
1053 | EVP_DigestSignUpdate(mac_ctx,header,sizeof(header)); | |
1054 | EVP_DigestSignUpdate(mac_ctx,rec->input,rec->length); | |
1055 | t=EVP_DigestSignFinal(mac_ctx,md,&md_size); | |
1056 | OPENSSL_assert(t > 0); | |
5e3ff62c | 1057 | if (!send && !SSL_USE_ETM(ssl) && FIPS_mode()) |
c4e6fb15 DSH |
1058 | tls_fips_digest_extra( |
1059 | ssl->enc_read_ctx, | |
1060 | mac_ctx, rec->input, | |
dd7e60bd | 1061 | rec->length, rec->orig_len); |
2acc020b | 1062 | } |
0eab41fb | 1063 | |
2acc020b BL |
1064 | if (!stream_mac) |
1065 | EVP_MD_CTX_cleanup(&hmac); | |
58964a49 | 1066 | #ifdef TLS_DEBUG |
58964a49 RE |
1067 | printf("seq="); |
1068 | {int z; for (z=0; z<8; z++) printf("%02X ",seq[z]); printf("\n"); } | |
58964a49 | 1069 | printf("rec="); |
955376fd | 1070 | {unsigned int z; for (z=0; z<rec->length; z++) printf("%02X ",rec->data[z]); printf("\n"); } |
58964a49 RE |
1071 | #endif |
1072 | ||
eb7ece13 | 1073 | if (!SSL_IS_DTLS(ssl)) |
4fe55663 | 1074 | { |
36d16f8e BL |
1075 | for (i=7; i>=0; i--) |
1076 | { | |
1077 | ++seq[i]; | |
1078 | if (seq[i] != 0) break; | |
1079 | } | |
1876cc32 | 1080 | } |
58964a49 RE |
1081 | |
1082 | #ifdef TLS_DEBUG | |
dfeab068 | 1083 | {unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",md[z]); printf("\n"); } |
58964a49 RE |
1084 | #endif |
1085 | return(md_size); | |
1086 | } | |
1087 | ||
6b691a5c UM |
1088 | int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, |
1089 | int len) | |
58964a49 | 1090 | { |
58964a49 | 1091 | unsigned char buff[SSL_MAX_MASTER_KEY_LENGTH]; |
761772d7 | 1092 | const void *co = NULL, *so = NULL; |
67c8e7f4 | 1093 | int col = 0, sol = 0; |
58964a49 | 1094 | |
a2f9200f | 1095 | |
f9b3bff6 | 1096 | #ifdef KSSL_DEBUG |
6343829a | 1097 | printf ("tls1_generate_master_secret(%p,%p, %p, %d)\n", s,out, p,len); |
f9b3bff6 RL |
1098 | #endif /* KSSL_DEBUG */ |
1099 | ||
761772d7 BM |
1100 | #ifdef TLSEXT_TYPE_opaque_prf_input |
1101 | if (s->s3->client_opaque_prf_input != NULL && s->s3->server_opaque_prf_input != NULL && | |
1102 | s->s3->client_opaque_prf_input_len > 0 && | |
1103 | s->s3->client_opaque_prf_input_len == s->s3->server_opaque_prf_input_len) | |
1104 | { | |
1105 | co = s->s3->client_opaque_prf_input; | |
1106 | col = s->s3->server_opaque_prf_input_len; | |
1107 | so = s->s3->server_opaque_prf_input; | |
1108 | sol = s->s3->client_opaque_prf_input_len; /* must be same as col (see draft-rescorla-tls-opaque-prf-input-00.txt, section 3.1) */ | |
1109 | } | |
1110 | #endif | |
1111 | ||
7409d7ad | 1112 | tls1_PRF(ssl_get_algorithm2(s), |
761772d7 BM |
1113 | TLS_MD_MASTER_SECRET_CONST,TLS_MD_MASTER_SECRET_CONST_SIZE, |
1114 | s->s3->client_random,SSL3_RANDOM_SIZE, | |
1115 | co, col, | |
1116 | s->s3->server_random,SSL3_RANDOM_SIZE, | |
1117 | so, sol, | |
1118 | p,len, | |
54a656ef | 1119 | s->session->master_key,buff,sizeof buff); |
a2f9200f DSH |
1120 | #ifdef SSL_DEBUG |
1121 | fprintf(stderr, "Premaster Secret:\n"); | |
1122 | BIO_dump_fp(stderr, (char *)p, len); | |
1123 | fprintf(stderr, "Client Random:\n"); | |
1124 | BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE); | |
1125 | fprintf(stderr, "Server Random:\n"); | |
1126 | BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE); | |
1127 | fprintf(stderr, "Master Secret:\n"); | |
1128 | BIO_dump_fp(stderr, (char *)s->session->master_key, SSL3_MASTER_SECRET_SIZE); | |
1129 | #endif | |
761772d7 | 1130 | |
1cf218bc DSH |
1131 | #ifdef OPENSSL_SSL_TRACE_CRYPTO |
1132 | if (s->msg_callback) | |
1133 | { | |
1134 | s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER, | |
1135 | p, len, s, s->msg_callback_arg); | |
1136 | s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM, | |
1137 | s->s3->client_random, SSL3_RANDOM_SIZE, | |
1138 | s, s->msg_callback_arg); | |
1139 | s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM, | |
1140 | s->s3->server_random, SSL3_RANDOM_SIZE, | |
1141 | s, s->msg_callback_arg); | |
1142 | s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER, | |
1143 | s->session->master_key, | |
1144 | SSL3_MASTER_SECRET_SIZE, | |
1145 | s, s->msg_callback_arg); | |
1146 | } | |
1147 | #endif | |
1148 | ||
f9b3bff6 RL |
1149 | #ifdef KSSL_DEBUG |
1150 | printf ("tls1_generate_master_secret() complete\n"); | |
1151 | #endif /* KSSL_DEBUG */ | |
58964a49 RE |
1152 | return(SSL3_MASTER_SECRET_SIZE); |
1153 | } | |
1154 | ||
74b4b494 DSH |
1155 | int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
1156 | const char *label, size_t llen, const unsigned char *context, | |
1157 | size_t contextlen, int use_context) | |
e0af0405 BL |
1158 | { |
1159 | unsigned char *buff; | |
3c0ff9f9 | 1160 | unsigned char *val = NULL; |
74b4b494 DSH |
1161 | size_t vallen, currentvalpos; |
1162 | int rv; | |
e0af0405 BL |
1163 | |
1164 | #ifdef KSSL_DEBUG | |
d183545d | 1165 | printf ("tls1_export_keying_material(%p,%p,%d,%s,%d,%p,%d)\n", s, out, olen, label, llen, context, contextlen); |
e0af0405 BL |
1166 | #endif /* KSSL_DEBUG */ |
1167 | ||
1168 | buff = OPENSSL_malloc(olen); | |
1169 | if (buff == NULL) goto err2; | |
1170 | ||
1171 | /* construct PRF arguments | |
1172 | * we construct the PRF argument ourself rather than passing separate | |
1173 | * values into the TLS PRF to ensure that the concatenation of values | |
1174 | * does not create a prohibited label. | |
1175 | */ | |
1176 | vallen = llen + SSL3_RANDOM_SIZE * 2; | |
74b4b494 DSH |
1177 | if (use_context) |
1178 | { | |
1179 | vallen += 2 + contextlen; | |
1180 | } | |
e0af0405 BL |
1181 | |
1182 | val = OPENSSL_malloc(vallen); | |
1183 | if (val == NULL) goto err2; | |
1184 | currentvalpos = 0; | |
1185 | memcpy(val + currentvalpos, (unsigned char *) label, llen); | |
1186 | currentvalpos += llen; | |
1187 | memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE); | |
1188 | currentvalpos += SSL3_RANDOM_SIZE; | |
1189 | memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE); | |
1190 | currentvalpos += SSL3_RANDOM_SIZE; | |
1191 | ||
74b4b494 DSH |
1192 | if (use_context) |
1193 | { | |
1194 | val[currentvalpos] = (contextlen >> 8) & 0xff; | |
1195 | currentvalpos++; | |
1196 | val[currentvalpos] = contextlen & 0xff; | |
1197 | currentvalpos++; | |
1198 | if ((contextlen > 0) || (context != NULL)) | |
1199 | { | |
1200 | memcpy(val + currentvalpos, context, contextlen); | |
1201 | } | |
1202 | } | |
e0af0405 BL |
1203 | |
1204 | /* disallow prohibited labels | |
1205 | * note that SSL3_RANDOM_SIZE > max(prohibited label len) = | |
1206 | * 15, so size of val > max(prohibited label len) = 15 and the | |
1207 | * comparisons won't have buffer overflow | |
1208 | */ | |
21b52dd3 | 1209 | if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST, |
e0af0405 | 1210 | TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) goto err1; |
21b52dd3 | 1211 | if (memcmp(val, TLS_MD_SERVER_FINISH_CONST, |
e0af0405 | 1212 | TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) goto err1; |
21b52dd3 | 1213 | if (memcmp(val, TLS_MD_MASTER_SECRET_CONST, |
e0af0405 | 1214 | TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) goto err1; |
21b52dd3 | 1215 | if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST, |
e0af0405 BL |
1216 | TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) goto err1; |
1217 | ||
4fdf9174 | 1218 | rv = tls1_PRF(ssl_get_algorithm2(s), |
74b4b494 DSH |
1219 | val, vallen, |
1220 | NULL, 0, | |
1221 | NULL, 0, | |
1222 | NULL, 0, | |
1223 | NULL, 0, | |
1224 | s->session->master_key,s->session->master_key_length, | |
1225 | out,buff,olen); | |
e0af0405 BL |
1226 | |
1227 | #ifdef KSSL_DEBUG | |
1228 | printf ("tls1_export_keying_material() complete\n"); | |
1229 | #endif /* KSSL_DEBUG */ | |
e0af0405 BL |
1230 | goto ret; |
1231 | err1: | |
1232 | SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); | |
1233 | rv = 0; | |
1234 | goto ret; | |
1235 | err2: | |
1236 | SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE); | |
1237 | rv = 0; | |
1238 | ret: | |
1239 | if (buff != NULL) OPENSSL_free(buff); | |
1240 | if (val != NULL) OPENSSL_free(val); | |
1241 | return(rv); | |
1242 | } | |
1243 | ||
6b691a5c | 1244 | int tls1_alert_code(int code) |
58964a49 RE |
1245 | { |
1246 | switch (code) | |
1247 | { | |
1248 | case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY); | |
1249 | case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE); | |
1250 | case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC); | |
1251 | case SSL_AD_DECRYPTION_FAILED: return(TLS1_AD_DECRYPTION_FAILED); | |
1252 | case SSL_AD_RECORD_OVERFLOW: return(TLS1_AD_RECORD_OVERFLOW); | |
1253 | case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE); | |
1254 | case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE); | |
1255 | case SSL_AD_NO_CERTIFICATE: return(-1); | |
1256 | case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE); | |
1257 | case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE); | |
1258 | case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED); | |
1259 | case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED); | |
1260 | case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN); | |
1261 | case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER); | |
1262 | case SSL_AD_UNKNOWN_CA: return(TLS1_AD_UNKNOWN_CA); | |
1263 | case SSL_AD_ACCESS_DENIED: return(TLS1_AD_ACCESS_DENIED); | |
1264 | case SSL_AD_DECODE_ERROR: return(TLS1_AD_DECODE_ERROR); | |
1265 | case SSL_AD_DECRYPT_ERROR: return(TLS1_AD_DECRYPT_ERROR); | |
657e60fa | 1266 | case SSL_AD_EXPORT_RESTRICTION: return(TLS1_AD_EXPORT_RESTRICTION); |
58964a49 RE |
1267 | case SSL_AD_PROTOCOL_VERSION: return(TLS1_AD_PROTOCOL_VERSION); |
1268 | case SSL_AD_INSUFFICIENT_SECURITY:return(TLS1_AD_INSUFFICIENT_SECURITY); | |
1269 | case SSL_AD_INTERNAL_ERROR: return(TLS1_AD_INTERNAL_ERROR); | |
657e60fa | 1270 | case SSL_AD_USER_CANCELLED: return(TLS1_AD_USER_CANCELLED); |
58964a49 | 1271 | case SSL_AD_NO_RENEGOTIATION: return(TLS1_AD_NO_RENEGOTIATION); |
d32f888d BM |
1272 | case SSL_AD_UNSUPPORTED_EXTENSION: return(TLS1_AD_UNSUPPORTED_EXTENSION); |
1273 | case SSL_AD_CERTIFICATE_UNOBTAINABLE: return(TLS1_AD_CERTIFICATE_UNOBTAINABLE); | |
f7914dbf | 1274 | case SSL_AD_UNRECOGNIZED_NAME: return(TLS1_AD_UNRECOGNIZED_NAME); |
d32f888d BM |
1275 | case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE); |
1276 | case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(TLS1_AD_BAD_CERTIFICATE_HASH_VALUE); | |
ddac1974 | 1277 | case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY); |
cf6da053 | 1278 | case SSL_AD_INAPPROPRIATE_FALLBACK:return(TLS1_AD_INAPPROPRIATE_FALLBACK); |
01c76c66 | 1279 | #if 0 /* not appropriate for TLS, not used for DTLS */ |
36d16f8e BL |
1280 | case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return |
1281 | (DTLS1_AD_MISSING_HANDSHAKE_MESSAGE); | |
01c76c66 | 1282 | #endif |
58964a49 RE |
1283 | default: return(-1); |
1284 | } | |
1285 | } |