2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
144 #include <openssl/objects.h>
145 #ifndef OPENSSL_NO_COMP
146 # include <openssl/comp.h>
148 #ifndef OPENSSL_NO_ENGINE
149 # include <openssl/engine.h>
151 #include "ssl_locl.h"
153 #define SSL_ENC_DES_IDX 0
154 #define SSL_ENC_3DES_IDX 1
155 #define SSL_ENC_RC4_IDX 2
156 #define SSL_ENC_RC2_IDX 3
157 #define SSL_ENC_IDEA_IDX 4
158 #define SSL_ENC_NULL_IDX 5
159 #define SSL_ENC_AES128_IDX 6
160 #define SSL_ENC_AES256_IDX 7
161 #define SSL_ENC_CAMELLIA128_IDX 8
162 #define SSL_ENC_CAMELLIA256_IDX 9
163 #define SSL_ENC_GOST89_IDX 10
164 #define SSL_ENC_SEED_IDX 11
165 #define SSL_ENC_AES128GCM_IDX 12
166 #define SSL_ENC_AES256GCM_IDX 13
167 #define SSL_ENC_NUM_IDX 14
169 /* NB: make sure indices in these tables match values above */
176 /* Table of NIDs for each cipher */
177 static const ssl_cipher_table ssl_cipher_table_cipher
[SSL_ENC_NUM_IDX
] = {
178 {SSL_DES
, NID_des_cbc
}, /* SSL_ENC_DES_IDX 0 */
179 {SSL_3DES
, NID_des_ede3_cbc
}, /* SSL_ENC_3DES_IDX 1 */
180 {SSL_RC4
, NID_rc4
}, /* SSL_ENC_RC4_IDX 2 */
181 {SSL_RC2
, NID_rc2_cbc
}, /* SSL_ENC_RC2_IDX 3 */
182 {SSL_IDEA
, NID_idea_cbc
}, /* SSL_ENC_IDEA_IDX 4 */
183 {SSL_eNULL
, NID_undef
}, /* SSL_ENC_NULL_IDX 5 */
184 {SSL_AES128
, NID_aes_128_cbc
}, /* SSL_ENC_AES128_IDX 6 */
185 {SSL_AES256
, NID_aes_256_cbc
}, /* SSL_ENC_AES256_IDX 7 */
186 {SSL_CAMELLIA128
, NID_camellia_128_cbc
}, /* SSL_ENC_CAMELLIA128_IDX 8 */
187 {SSL_CAMELLIA256
, NID_camellia_256_cbc
}, /* SSL_ENC_CAMELLIA256_IDX 9 */
188 {SSL_eGOST2814789CNT
, NID_gost89_cnt
}, /* SSL_ENC_GOST89_IDX 10 */
189 {SSL_SEED
, NID_seed_cbc
}, /* SSL_ENC_SEED_IDX 11 */
190 {SSL_AES128GCM
, NID_aes_128_gcm
}, /* SSL_ENC_AES128GCM_IDX 12 */
191 {SSL_AES256GCM
, NID_aes_256_gcm
} /* SSL_ENC_AES256GCM_IDX 13 */
194 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
195 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
199 #define SSL_COMP_NULL_IDX 0
200 #define SSL_COMP_ZLIB_IDX 1
201 #define SSL_COMP_NUM_IDX 2
203 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
205 #define SSL_MD_MD5_IDX 0
206 #define SSL_MD_SHA1_IDX 1
207 #define SSL_MD_GOST94_IDX 2
208 #define SSL_MD_GOST89MAC_IDX 3
209 #define SSL_MD_SHA256_IDX 4
210 #define SSL_MD_SHA384_IDX 5
212 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
216 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
218 /* NB: make sure indices in this table matches values above */
219 static const ssl_cipher_table ssl_cipher_table_mac
[SSL_MD_NUM_IDX
] = {
220 {SSL_MD5
, NID_md5
}, /* SSL_MD_MD5_IDX 0 */
221 {SSL_SHA1
, NID_sha1
}, /* SSL_MD_SHA1_IDX 1 */
222 {SSL_GOST94
, NID_id_GostR3411_94
}, /* SSL_MD_GOST94_IDX 2 */
223 {SSL_GOST89MAC
, NID_id_Gost28147_89_MAC
}, /* SSL_MD_GOST89MAC_IDX 3 */
224 {SSL_SHA256
, NID_sha256
}, /* SSL_MD_SHA256_IDX 4 */
225 {SSL_SHA384
, NID_sha384
} /* SSL_MD_SHA384_IDX 5 */
228 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
229 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
232 /* Utility function for table lookup */
233 static int ssl_cipher_info_find(const ssl_cipher_table
* table
,
234 size_t table_cnt
, unsigned long mask
)
237 for (i
= 0; i
< table_cnt
; i
++, table
++) {
238 if (table
->mask
== mask
)
244 #define ssl_cipher_info_lookup(table, x) \
245 ssl_cipher_info_find(table, OSSL_NELEM(table), x)
248 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
249 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
252 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
253 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
254 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
257 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
261 static const int ssl_handshake_digest_flag
[SSL_MD_NUM_IDX
] = {
262 SSL_HANDSHAKE_MAC_MD5
, SSL_HANDSHAKE_MAC_SHA
,
263 SSL_HANDSHAKE_MAC_GOST94
, 0, SSL_HANDSHAKE_MAC_SHA256
,
264 SSL_HANDSHAKE_MAC_SHA384
268 #define CIPHER_KILL 2
271 #define CIPHER_SPECIAL 5
273 typedef struct cipher_order_st
{
274 const SSL_CIPHER
*cipher
;
277 struct cipher_order_st
*next
, *prev
;
280 static const SSL_CIPHER cipher_aliases
[] = {
281 /* "ALL" doesn't include eNULL (must be specifically enabled) */
282 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
283 /* "COMPLEMENTOFALL" */
284 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
287 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
290 {0, SSL_TXT_CMPDEF
, 0, SSL_kDHE
| SSL_kECDHE
, SSL_aNULL
, ~SSL_eNULL
, 0, 0,
294 * key exchange aliases (some of those using only a single bit here
295 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
296 * combines DHE_DSS and DHE_RSA)
298 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
300 {0, SSL_TXT_kDHr
, 0, SSL_kDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
301 {0, SSL_TXT_kDHd
, 0, SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
302 {0, SSL_TXT_kDH
, 0, SSL_kDHr
| SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
303 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
304 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
305 {0, SSL_TXT_DH
, 0, SSL_kDHr
| SSL_kDHd
| SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
308 {0, SSL_TXT_kECDHr
, 0, SSL_kECDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
309 {0, SSL_TXT_kECDHe
, 0, SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
310 {0, SSL_TXT_kECDH
, 0, SSL_kECDHr
| SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
311 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
312 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
313 {0, SSL_TXT_ECDH
, 0, SSL_kECDHr
| SSL_kECDHe
| SSL_kECDHE
, 0, 0, 0, 0, 0,
316 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
317 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
318 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
320 /* server authentication aliases */
321 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
322 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
323 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
324 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
325 /* no such ciphersuites supported! */
326 {0, SSL_TXT_aDH
, 0, 0, SSL_aDH
, 0, 0, 0, 0, 0, 0, 0},
327 {0, SSL_TXT_aECDH
, 0, 0, SSL_aECDH
, 0, 0, 0, 0, 0, 0, 0},
328 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
329 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
330 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
331 {0, SSL_TXT_aGOST94
, 0, 0, SSL_aGOST94
, 0, 0, 0, 0, 0, 0, 0},
332 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
333 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST94
| SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
334 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
336 /* aliases combining key exchange and server authentication */
337 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
338 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
339 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
340 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
341 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
342 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
343 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
344 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
345 {0, SSL_TXT_PSK
, 0, SSL_kPSK
, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
346 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
348 /* symmetric encryption aliases */
349 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
350 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
351 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
352 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
353 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
354 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
355 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
356 {0, SSL_TXT_AES128
, 0, 0, 0, SSL_AES128
| SSL_AES128GCM
, 0, 0, 0, 0, 0,
358 {0, SSL_TXT_AES256
, 0, 0, 0, SSL_AES256
| SSL_AES256GCM
, 0, 0, 0, 0, 0,
360 {0, SSL_TXT_AES
, 0, 0, 0, SSL_AES
, 0, 0, 0, 0, 0, 0},
361 {0, SSL_TXT_AES_GCM
, 0, 0, 0, SSL_AES128GCM
| SSL_AES256GCM
, 0, 0, 0, 0,
363 {0, SSL_TXT_CAMELLIA128
, 0, 0, 0, SSL_CAMELLIA128
, 0, 0, 0, 0, 0, 0},
364 {0, SSL_TXT_CAMELLIA256
, 0, 0, 0, SSL_CAMELLIA256
, 0, 0, 0, 0, 0, 0},
365 {0, SSL_TXT_CAMELLIA
, 0, 0, 0, SSL_CAMELLIA128
| SSL_CAMELLIA256
, 0, 0, 0,
369 {0, SSL_TXT_MD5
, 0, 0, 0, 0, SSL_MD5
, 0, 0, 0, 0, 0},
370 {0, SSL_TXT_SHA1
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
371 {0, SSL_TXT_SHA
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
372 {0, SSL_TXT_GOST94
, 0, 0, 0, 0, SSL_GOST94
, 0, 0, 0, 0, 0},
373 {0, SSL_TXT_GOST89MAC
, 0, 0, 0, 0, SSL_GOST89MAC
, 0, 0, 0, 0, 0},
374 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
375 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
377 /* protocol version aliases */
378 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
379 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
380 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
383 {0, SSL_TXT_EXP
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
384 {0, SSL_TXT_EXPORT
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
386 /* strength classes */
387 {0, SSL_TXT_EXP40
, 0, 0, 0, 0, 0, 0, SSL_EXP40
, 0, 0, 0},
388 {0, SSL_TXT_EXP56
, 0, 0, 0, 0, 0, 0, SSL_EXP56
, 0, 0, 0},
389 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
390 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
391 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
392 /* FIPS 140-2 approved ciphersuite */
393 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
395 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
396 {0, SSL3_TXT_EDH_DSS_DES_40_CBC_SHA
, 0,
397 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
399 {0, SSL3_TXT_EDH_DSS_DES_64_CBC_SHA
, 0,
400 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
402 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
403 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
404 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
405 {0, SSL3_TXT_EDH_RSA_DES_40_CBC_SHA
, 0,
406 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
408 {0, SSL3_TXT_EDH_RSA_DES_64_CBC_SHA
, 0,
409 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
411 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
412 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
413 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
418 * Search for public key algorithm with given name and return its pkey_id if
419 * it is available. Otherwise return 0
421 #ifdef OPENSSL_NO_ENGINE
423 static int get_optional_pkey_id(const char *pkey_name
)
425 const EVP_PKEY_ASN1_METHOD
*ameth
;
427 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
429 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
436 static int get_optional_pkey_id(const char *pkey_name
)
438 const EVP_PKEY_ASN1_METHOD
*ameth
;
439 ENGINE
*tmpeng
= NULL
;
441 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, pkey_name
, -1);
443 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
446 ENGINE_finish(tmpeng
);
452 void ssl_load_ciphers(void)
455 const ssl_cipher_table
*t
;
456 for (i
= 0, t
= ssl_cipher_table_cipher
; i
< SSL_ENC_NUM_IDX
; i
++, t
++) {
457 if (t
->nid
== NID_undef
)
458 ssl_cipher_methods
[i
] = NULL
;
460 ssl_cipher_methods
[i
] = EVP_get_cipherbynid(t
->nid
);
463 for (i
= 0, t
= ssl_cipher_table_mac
; i
< SSL_MD_NUM_IDX
; i
++, t
++) {
464 ssl_digest_methods
[i
] = EVP_get_digestbynid(t
->nid
);
465 if (ssl_digest_methods
[i
]) {
466 ssl_mac_secret_size
[i
] = EVP_MD_size(ssl_digest_methods
[i
]);
467 OPENSSL_assert(ssl_mac_secret_size
[i
] >= 0);
470 /* Make sure we can access MD5 and SHA1 */
471 OPENSSL_assert(ssl_digest_methods
[SSL_MD_MD5_IDX
] != NULL
);
472 OPENSSL_assert(ssl_digest_methods
[SSL_MD_SHA1_IDX
] != NULL
);
475 #ifndef OPENSSL_NO_COMP
477 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
479 return ((*a
)->id
- (*b
)->id
);
482 static void load_builtin_compressions(void)
484 int got_write_lock
= 0;
486 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
487 if (ssl_comp_methods
== NULL
) {
488 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
489 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
492 if (ssl_comp_methods
== NULL
) {
493 SSL_COMP
*comp
= NULL
;
494 COMP_METHOD
*method
= COMP_zlib();
497 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
498 if (COMP_get_type(method
) != NID_undef
499 && ssl_comp_methods
!= NULL
) {
500 comp
= OPENSSL_malloc(sizeof(*comp
));
502 comp
->method
= method
;
503 comp
->id
= SSL_COMP_ZLIB_IDX
;
504 comp
->name
= COMP_get_name(method
);
505 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
506 sk_SSL_COMP_sort(ssl_comp_methods
);
514 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
516 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
520 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
521 const EVP_MD
**md
, int *mac_pkey_type
,
522 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
532 #ifndef OPENSSL_NO_COMP
533 load_builtin_compressions();
537 ctmp
.id
= s
->compress_meth
;
538 if (ssl_comp_methods
!= NULL
) {
539 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
541 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
545 /* If were only interested in comp then return success */
546 if ((enc
== NULL
) && (md
== NULL
))
550 if ((enc
== NULL
) || (md
== NULL
))
553 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
558 if (i
== SSL_ENC_NULL_IDX
)
559 *enc
= EVP_enc_null();
561 *enc
= ssl_cipher_methods
[i
];
564 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
567 if (mac_pkey_type
!= NULL
)
568 *mac_pkey_type
= NID_undef
;
569 if (mac_secret_size
!= NULL
)
570 *mac_secret_size
= 0;
571 if (c
->algorithm_mac
== SSL_AEAD
)
572 mac_pkey_type
= NULL
;
574 *md
= ssl_digest_methods
[i
];
575 if (mac_pkey_type
!= NULL
)
576 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
577 if (mac_secret_size
!= NULL
)
578 *mac_secret_size
= ssl_mac_secret_size
[i
];
581 if ((*enc
!= NULL
) &&
582 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
583 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
584 const EVP_CIPHER
*evp
;
589 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
590 s
->ssl_version
< TLS1_VERSION
)
596 if (c
->algorithm_enc
== SSL_RC4
&&
597 c
->algorithm_mac
== SSL_MD5
&&
598 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
599 *enc
= evp
, *md
= NULL
;
600 else if (c
->algorithm_enc
== SSL_AES128
&&
601 c
->algorithm_mac
== SSL_SHA1
&&
602 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
603 *enc
= evp
, *md
= NULL
;
604 else if (c
->algorithm_enc
== SSL_AES256
&&
605 c
->algorithm_mac
== SSL_SHA1
&&
606 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
607 *enc
= evp
, *md
= NULL
;
608 else if (c
->algorithm_enc
== SSL_AES128
&&
609 c
->algorithm_mac
== SSL_SHA256
&&
610 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
611 *enc
= evp
, *md
= NULL
;
612 else if (c
->algorithm_enc
== SSL_AES256
&&
613 c
->algorithm_mac
== SSL_SHA256
&&
614 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
615 *enc
= evp
, *md
= NULL
;
621 int ssl_get_handshake_digest(int idx
, long *mask
, const EVP_MD
**md
)
623 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
) {
626 *mask
= ssl_handshake_digest_flag
[idx
];
628 *md
= ssl_digest_methods
[idx
];
634 #define ITEM_SEP(a) \
635 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
637 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
644 if (curr
->prev
!= NULL
)
645 curr
->prev
->next
= curr
->next
;
646 if (curr
->next
!= NULL
)
647 curr
->next
->prev
= curr
->prev
;
648 (*tail
)->next
= curr
;
654 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
661 if (curr
->next
!= NULL
)
662 curr
->next
->prev
= curr
->prev
;
663 if (curr
->prev
!= NULL
)
664 curr
->prev
->next
= curr
->next
;
665 (*head
)->prev
= curr
;
671 static void ssl_cipher_get_disabled(unsigned long *mkey
, unsigned long *auth
,
672 unsigned long *enc
, unsigned long *mac
,
681 #ifdef OPENSSL_NO_RSA
685 #ifdef OPENSSL_NO_DSA
689 *mkey
|= SSL_kDHr
| SSL_kDHd
| SSL_kDHE
;
693 *mkey
|= SSL_kECDHe
| SSL_kECDHr
;
694 *auth
|= SSL_aECDSA
| SSL_aECDH
;
696 #ifdef OPENSSL_NO_PSK
700 #ifdef OPENSSL_NO_SRP
704 * Check for presence of GOST 34.10 algorithms, and if they do not
705 * present, disable appropriate auth and key exchange
707 if (!get_optional_pkey_id("gost94")) {
708 *auth
|= SSL_aGOST94
;
710 if (!get_optional_pkey_id("gost2001")) {
711 *auth
|= SSL_aGOST01
;
714 * Disable GOST key exchange if no GOST signature algs are available *
716 if ((*auth
& (SSL_aGOST94
| SSL_aGOST01
)) == (SSL_aGOST94
| SSL_aGOST01
)) {
719 #ifdef SSL_FORBID_ENULL
723 *enc
|= (ssl_cipher_methods
[SSL_ENC_DES_IDX
] == NULL
) ? SSL_DES
: 0;
724 *enc
|= (ssl_cipher_methods
[SSL_ENC_3DES_IDX
] == NULL
) ? SSL_3DES
: 0;
725 *enc
|= (ssl_cipher_methods
[SSL_ENC_RC4_IDX
] == NULL
) ? SSL_RC4
: 0;
726 *enc
|= (ssl_cipher_methods
[SSL_ENC_RC2_IDX
] == NULL
) ? SSL_RC2
: 0;
727 *enc
|= (ssl_cipher_methods
[SSL_ENC_IDEA_IDX
] == NULL
) ? SSL_IDEA
: 0;
728 *enc
|= (ssl_cipher_methods
[SSL_ENC_AES128_IDX
] == NULL
) ? SSL_AES128
: 0;
729 *enc
|= (ssl_cipher_methods
[SSL_ENC_AES256_IDX
] == NULL
) ? SSL_AES256
: 0;
731 (ssl_cipher_methods
[SSL_ENC_AES128GCM_IDX
] ==
732 NULL
) ? SSL_AES128GCM
: 0;
734 (ssl_cipher_methods
[SSL_ENC_AES256GCM_IDX
] ==
735 NULL
) ? SSL_AES256GCM
: 0;
737 (ssl_cipher_methods
[SSL_ENC_CAMELLIA128_IDX
] ==
738 NULL
) ? SSL_CAMELLIA128
: 0;
740 (ssl_cipher_methods
[SSL_ENC_CAMELLIA256_IDX
] ==
741 NULL
) ? SSL_CAMELLIA256
: 0;
743 (ssl_cipher_methods
[SSL_ENC_GOST89_IDX
] ==
744 NULL
) ? SSL_eGOST2814789CNT
: 0;
745 *enc
|= (ssl_cipher_methods
[SSL_ENC_SEED_IDX
] == NULL
) ? SSL_SEED
: 0;
747 *mac
|= (ssl_digest_methods
[SSL_MD_MD5_IDX
] == NULL
) ? SSL_MD5
: 0;
748 *mac
|= (ssl_digest_methods
[SSL_MD_SHA1_IDX
] == NULL
) ? SSL_SHA1
: 0;
749 *mac
|= (ssl_digest_methods
[SSL_MD_SHA256_IDX
] == NULL
) ? SSL_SHA256
: 0;
750 *mac
|= (ssl_digest_methods
[SSL_MD_SHA384_IDX
] == NULL
) ? SSL_SHA384
: 0;
751 *mac
|= (ssl_digest_methods
[SSL_MD_GOST94_IDX
] == NULL
) ? SSL_GOST94
: 0;
752 *mac
|= (ssl_digest_methods
[SSL_MD_GOST89MAC_IDX
] == NULL
753 || ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] ==
754 NID_undef
) ? SSL_GOST89MAC
: 0;
758 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
760 unsigned long disabled_mkey
,
761 unsigned long disabled_auth
,
762 unsigned long disabled_enc
,
763 unsigned long disabled_mac
,
764 unsigned long disabled_ssl
,
765 CIPHER_ORDER
*co_list
,
766 CIPHER_ORDER
**head_p
,
767 CIPHER_ORDER
**tail_p
)
773 * We have num_of_ciphers descriptions compiled in, depending on the
774 * method selected (SSLv3, TLSv1 etc).
775 * These will later be sorted in a linked list with at most num
779 /* Get the initial list of ciphers */
780 co_list_num
= 0; /* actual count of ciphers */
781 for (i
= 0; i
< num_of_ciphers
; i
++) {
782 c
= ssl_method
->get_cipher(i
);
783 /* drop those that use any of that is not available */
784 if ((c
!= NULL
) && c
->valid
&&
785 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
786 !(c
->algorithm_mkey
& disabled_mkey
) &&
787 !(c
->algorithm_auth
& disabled_auth
) &&
788 !(c
->algorithm_enc
& disabled_enc
) &&
789 !(c
->algorithm_mac
& disabled_mac
) &&
790 !(c
->algorithm_ssl
& disabled_ssl
)) {
791 co_list
[co_list_num
].cipher
= c
;
792 co_list
[co_list_num
].next
= NULL
;
793 co_list
[co_list_num
].prev
= NULL
;
794 co_list
[co_list_num
].active
= 0;
797 * if (!sk_push(ca_list,(char *)c)) goto err;
803 * Prepare linked list from list entries
805 if (co_list_num
> 0) {
806 co_list
[0].prev
= NULL
;
808 if (co_list_num
> 1) {
809 co_list
[0].next
= &co_list
[1];
811 for (i
= 1; i
< co_list_num
- 1; i
++) {
812 co_list
[i
].prev
= &co_list
[i
- 1];
813 co_list
[i
].next
= &co_list
[i
+ 1];
816 co_list
[co_list_num
- 1].prev
= &co_list
[co_list_num
- 2];
819 co_list
[co_list_num
- 1].next
= NULL
;
821 *head_p
= &co_list
[0];
822 *tail_p
= &co_list
[co_list_num
- 1];
826 static void ssl_cipher_collect_aliases(const SSL_CIPHER
**ca_list
,
827 int num_of_group_aliases
,
828 unsigned long disabled_mkey
,
829 unsigned long disabled_auth
,
830 unsigned long disabled_enc
,
831 unsigned long disabled_mac
,
832 unsigned long disabled_ssl
,
835 CIPHER_ORDER
*ciph_curr
;
836 const SSL_CIPHER
**ca_curr
;
838 unsigned long mask_mkey
= ~disabled_mkey
;
839 unsigned long mask_auth
= ~disabled_auth
;
840 unsigned long mask_enc
= ~disabled_enc
;
841 unsigned long mask_mac
= ~disabled_mac
;
842 unsigned long mask_ssl
= ~disabled_ssl
;
845 * First, add the real ciphers as already collected
849 while (ciph_curr
!= NULL
) {
850 *ca_curr
= ciph_curr
->cipher
;
852 ciph_curr
= ciph_curr
->next
;
856 * Now we add the available ones from the cipher_aliases[] table.
857 * They represent either one or more algorithms, some of which
858 * in any affected category must be supported (set in enabled_mask),
859 * or represent a cipher strength value (will be added in any case because algorithms=0).
861 for (i
= 0; i
< num_of_group_aliases
; i
++) {
862 unsigned long algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
863 unsigned long algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
864 unsigned long algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
865 unsigned long algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
866 unsigned long algorithm_ssl
= cipher_aliases
[i
].algorithm_ssl
;
869 if ((algorithm_mkey
& mask_mkey
) == 0)
873 if ((algorithm_auth
& mask_auth
) == 0)
877 if ((algorithm_enc
& mask_enc
) == 0)
881 if ((algorithm_mac
& mask_mac
) == 0)
885 if ((algorithm_ssl
& mask_ssl
) == 0)
888 *ca_curr
= (SSL_CIPHER
*)(cipher_aliases
+ i
);
892 *ca_curr
= NULL
; /* end of list */
895 static void ssl_cipher_apply_rule(unsigned long cipher_id
,
896 unsigned long alg_mkey
,
897 unsigned long alg_auth
,
898 unsigned long alg_enc
,
899 unsigned long alg_mac
,
900 unsigned long alg_ssl
,
901 unsigned long algo_strength
, int rule
,
902 int strength_bits
, CIPHER_ORDER
**head_p
,
903 CIPHER_ORDER
**tail_p
)
905 CIPHER_ORDER
*head
, *tail
, *curr
, *next
, *last
;
906 const SSL_CIPHER
*cp
;
911 "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
912 rule
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
913 algo_strength
, strength_bits
);
916 if (rule
== CIPHER_DEL
)
917 reverse
= 1; /* needed to maintain sorting between
918 * currently deleted ciphers */
941 next
= reverse
? curr
->prev
: curr
->next
;
946 * Selection criteria is either the value of strength_bits
947 * or the algorithms used.
949 if (strength_bits
>= 0) {
950 if (strength_bits
!= cp
->strength_bits
)
955 "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n",
956 cp
->name
, cp
->algorithm_mkey
, cp
->algorithm_auth
,
957 cp
->algorithm_enc
, cp
->algorithm_mac
, cp
->algorithm_ssl
,
960 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
961 if (cipher_id
&& cipher_id
!= cp
->id
)
964 if (alg_mkey
&& !(alg_mkey
& cp
->algorithm_mkey
))
966 if (alg_auth
&& !(alg_auth
& cp
->algorithm_auth
))
968 if (alg_enc
&& !(alg_enc
& cp
->algorithm_enc
))
970 if (alg_mac
&& !(alg_mac
& cp
->algorithm_mac
))
972 if (alg_ssl
&& !(alg_ssl
& cp
->algorithm_ssl
))
974 if ((algo_strength
& SSL_EXP_MASK
)
975 && !(algo_strength
& SSL_EXP_MASK
& cp
->algo_strength
))
977 if ((algo_strength
& SSL_STRONG_MASK
)
978 && !(algo_strength
& SSL_STRONG_MASK
& cp
->algo_strength
))
983 fprintf(stderr
, "Action = %d\n", rule
);
986 /* add the cipher if it has not been added yet. */
987 if (rule
== CIPHER_ADD
) {
990 ll_append_tail(&head
, curr
, &tail
);
994 /* Move the added cipher to this location */
995 else if (rule
== CIPHER_ORD
) {
998 ll_append_tail(&head
, curr
, &tail
);
1000 } else if (rule
== CIPHER_DEL
) {
1004 * most recently deleted ciphersuites get best positions for
1005 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
1006 * in reverse to maintain the order)
1008 ll_append_head(&head
, curr
, &tail
);
1011 } else if (rule
== CIPHER_KILL
) {
1016 curr
->prev
->next
= curr
->next
;
1020 if (curr
->next
!= NULL
)
1021 curr
->next
->prev
= curr
->prev
;
1022 if (curr
->prev
!= NULL
)
1023 curr
->prev
->next
= curr
->next
;
1033 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1034 CIPHER_ORDER
**tail_p
)
1036 int max_strength_bits
, i
, *number_uses
;
1040 * This routine sorts the ciphers with descending strength. The sorting
1041 * must keep the pre-sorted sequence, so we apply the normal sorting
1042 * routine as '+' movement to the end of the list.
1044 max_strength_bits
= 0;
1046 while (curr
!= NULL
) {
1047 if (curr
->active
&& (curr
->cipher
->strength_bits
> max_strength_bits
))
1048 max_strength_bits
= curr
->cipher
->strength_bits
;
1052 number_uses
= OPENSSL_malloc(sizeof(int) * (max_strength_bits
+ 1));
1054 SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT
, ERR_R_MALLOC_FAILURE
);
1057 memset(number_uses
, 0, sizeof(int) * (max_strength_bits
+ 1));
1060 * Now find the strength_bits values actually used
1063 while (curr
!= NULL
) {
1065 number_uses
[curr
->cipher
->strength_bits
]++;
1069 * Go through the list of used strength_bits values in descending
1072 for (i
= max_strength_bits
; i
>= 0; i
--)
1073 if (number_uses
[i
] > 0)
1074 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD
, i
, head_p
,
1077 OPENSSL_free(number_uses
);
1081 static int ssl_cipher_process_rulestr(const char *rule_str
,
1082 CIPHER_ORDER
**head_p
,
1083 CIPHER_ORDER
**tail_p
,
1084 const SSL_CIPHER
**ca_list
, CERT
*c
)
1086 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
1088 const char *l
, *buf
;
1089 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1090 unsigned long cipher_id
= 0;
1103 } else if (ch
== '+') {
1106 } else if (ch
== '!') {
1109 } else if (ch
== '@') {
1110 rule
= CIPHER_SPECIAL
;
1132 #ifndef CHARSET_EBCDIC
1133 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1134 ((ch
>= '0') && (ch
<= '9')) ||
1135 ((ch
>= 'a') && (ch
<= 'z')) ||
1136 (ch
== '-') || (ch
== '.') || (ch
== '='))
1138 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1147 * We hit something we cannot deal with,
1148 * it is no command or separator nor
1149 * alphanumeric, so we call this an error.
1151 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1152 SSL_R_INVALID_COMMAND
);
1158 if (rule
== CIPHER_SPECIAL
) {
1159 found
= 0; /* unused -- avoid compiler warning */
1160 break; /* special treatment */
1163 /* check for multi-part specification */
1171 * Now search for the cipher alias in the ca_list. Be careful
1172 * with the strncmp, because the "buflen" limitation
1173 * will make the rule "ADH:SOME" and the cipher
1174 * "ADH-MY-CIPHER" look like a match for buflen=3.
1175 * So additionally check whether the cipher name found
1176 * has the correct length. We can save a strlen() call:
1177 * just checking for the '\0' at the right place is
1178 * sufficient, we have to strncmp() anyway. (We cannot
1179 * use strcmp(), because buf is not '\0' terminated.)
1183 while (ca_list
[j
]) {
1184 if (strncmp(buf
, ca_list
[j
]->name
, buflen
) == 0
1185 && (ca_list
[j
]->name
[buflen
] == '\0')) {
1193 break; /* ignore this entry */
1195 if (ca_list
[j
]->algorithm_mkey
) {
1197 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1203 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1206 if (ca_list
[j
]->algorithm_auth
) {
1208 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1214 alg_auth
= ca_list
[j
]->algorithm_auth
;
1217 if (ca_list
[j
]->algorithm_enc
) {
1219 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1225 alg_enc
= ca_list
[j
]->algorithm_enc
;
1228 if (ca_list
[j
]->algorithm_mac
) {
1230 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1236 alg_mac
= ca_list
[j
]->algorithm_mac
;
1239 if (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) {
1240 if (algo_strength
& SSL_EXP_MASK
) {
1242 (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) |
1244 if (!(algo_strength
& SSL_EXP_MASK
)) {
1249 algo_strength
|= ca_list
[j
]->algo_strength
& SSL_EXP_MASK
;
1252 if (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) {
1253 if (algo_strength
& SSL_STRONG_MASK
) {
1255 (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) |
1257 if (!(algo_strength
& SSL_STRONG_MASK
)) {
1263 ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
;
1266 if (ca_list
[j
]->valid
) {
1268 * explicit ciphersuite found; its protocol version does not
1269 * become part of the search pattern!
1272 cipher_id
= ca_list
[j
]->id
;
1275 * not an explicit ciphersuite; only in this case, the
1276 * protocol version is considered part of the search pattern
1279 if (ca_list
[j
]->algorithm_ssl
) {
1281 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1287 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1296 * Ok, we have the rule, now apply it
1298 if (rule
== CIPHER_SPECIAL
) { /* special command */
1300 if ((buflen
== 8) && strncmp(buf
, "STRENGTH", 8) == 0)
1301 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1302 else if (buflen
== 10 && strncmp(buf
, "SECLEVEL=", 9) == 0) {
1303 int level
= buf
[9] - '0';
1304 if (level
< 0 || level
> 5) {
1305 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1306 SSL_R_INVALID_COMMAND
);
1308 c
->sec_level
= level
;
1312 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1313 SSL_R_INVALID_COMMAND
);
1317 * We do not support any "multi" options
1318 * together with "@", so throw away the
1319 * rest of the command, if any left, until
1320 * end or ':' is found.
1322 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1325 ssl_cipher_apply_rule(cipher_id
,
1326 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1327 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1330 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1340 #ifndef OPENSSL_NO_EC
1341 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1342 const char **prule_str
)
1344 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1345 if (strcmp(*prule_str
, "SUITEB128") == 0)
1346 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1347 else if (strcmp(*prule_str
, "SUITEB128ONLY") == 0)
1348 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1349 else if (strcmp(*prule_str
, "SUITEB128C2") == 0) {
1351 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1352 } else if (strcmp(*prule_str
, "SUITEB192") == 0)
1353 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1356 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1357 c
->cert_flags
|= suiteb_flags
;
1359 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1363 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1365 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1366 if (meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
)
1367 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1368 SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1370 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1371 SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1374 # ifndef OPENSSL_NO_EC
1375 switch (suiteb_flags
) {
1376 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1378 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1381 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1383 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1384 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1386 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1387 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1390 /* Set auto ECDH parameter determination */
1391 c
->ecdh_tmp_auto
= 1;
1394 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1395 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1401 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1402 **cipher_list
, STACK_OF(SSL_CIPHER
)
1403 **cipher_list_by_id
,
1404 const char *rule_str
, CERT
*c
)
1406 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1407 unsigned long disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1409 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1411 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1412 const SSL_CIPHER
**ca_list
= NULL
;
1415 * Return with error if nothing to do.
1417 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1419 #ifndef OPENSSL_NO_EC
1420 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1425 * To reduce the work to do we only want to process the compiled
1426 * in algorithms, so we first get the mask of disabled ciphers.
1428 ssl_cipher_get_disabled(&disabled_mkey
, &disabled_auth
, &disabled_enc
,
1429 &disabled_mac
, &disabled_ssl
);
1432 * Now we have to collect the available ciphers from the compiled
1433 * in ciphers. We cannot get more than the number compiled in, so
1434 * it is used for allocation.
1436 num_of_ciphers
= ssl_method
->num_ciphers();
1438 co_list
= OPENSSL_malloc(sizeof(*co_list
) * num_of_ciphers
);
1439 if (co_list
== NULL
) {
1440 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1441 return (NULL
); /* Failure */
1444 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1445 disabled_mkey
, disabled_auth
, disabled_enc
,
1446 disabled_mac
, disabled_ssl
, co_list
, &head
,
1449 /* Now arrange all ciphers by preference: */
1452 * Everything else being equal, prefer ephemeral ECDH over other key
1453 * exchange mechanisms
1455 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1457 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1460 /* AES is our preferred symmetric cipher */
1461 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1464 /* Temporarily enable everything else for sorting */
1465 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1467 /* Low priority for MD5 */
1468 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1472 * Move anonymous ciphers to the end. Usually, these will remain
1473 * disabled. (For applications that allow them, they aren't too bad, but
1474 * we prefer authenticated ciphers.)
1476 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1479 /* Move ciphers without forward secrecy to the end */
1480 ssl_cipher_apply_rule(0, 0, SSL_aECDH
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1483 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1486 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1488 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1491 /* RC4 is sort-of broken -- move the the end */
1492 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1496 * Now sort by symmetric encryption strength. The above ordering remains
1497 * in force within each class
1499 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1500 OPENSSL_free(co_list
);
1504 /* Now disable everything (maintaining the ordering!) */
1505 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1508 * We also need cipher aliases for selecting based on the rule_str.
1509 * There might be two types of entries in the rule_str: 1) names
1510 * of ciphers themselves 2) aliases for groups of ciphers.
1511 * For 1) we need the available ciphers and for 2) the cipher
1512 * groups of cipher_aliases added together in one list (otherwise
1513 * we would be happy with just the cipher_aliases table).
1515 num_of_group_aliases
= OSSL_NELEM(cipher_aliases
);
1516 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1517 ca_list
= OPENSSL_malloc(sizeof(*ca_list
) * num_of_alias_max
);
1518 if (ca_list
== NULL
) {
1519 OPENSSL_free(co_list
);
1520 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1521 return (NULL
); /* Failure */
1523 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1524 disabled_mkey
, disabled_auth
, disabled_enc
,
1525 disabled_mac
, disabled_ssl
, head
);
1528 * If the rule_string begins with DEFAULT, apply the default rule
1529 * before using the (possibly available) additional rules.
1533 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1534 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1535 &head
, &tail
, ca_list
, c
);
1541 if (ok
&& (strlen(rule_p
) > 0))
1542 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1544 OPENSSL_free(ca_list
); /* Not needed anymore */
1546 if (!ok
) { /* Rule processing failure */
1547 OPENSSL_free(co_list
);
1552 * Allocate new "cipherstack" for the result, return with error
1553 * if we cannot get one.
1555 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1556 OPENSSL_free(co_list
);
1561 * The cipher selection for the list is done. The ciphers are added
1562 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1564 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1566 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1567 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1568 OPENSSL_free(co_list
);
1569 sk_SSL_CIPHER_free(cipherstack
);
1573 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1577 OPENSSL_free(co_list
); /* Not needed any longer */
1579 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1580 if (tmp_cipher_list
== NULL
) {
1581 sk_SSL_CIPHER_free(cipherstack
);
1584 sk_SSL_CIPHER_free(*cipher_list
);
1585 *cipher_list
= cipherstack
;
1586 if (*cipher_list_by_id
!= NULL
)
1587 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1588 *cipher_list_by_id
= tmp_cipher_list
;
1589 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1590 ssl_cipher_ptr_id_cmp
);
1592 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1593 return (cipherstack
);
1596 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1598 int is_export
, pkl
, kl
;
1599 const char *ver
, *exp_str
;
1600 const char *kx
, *au
, *enc
, *mac
;
1601 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
;
1602 static const char *format
=
1603 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
1605 alg_mkey
= cipher
->algorithm_mkey
;
1606 alg_auth
= cipher
->algorithm_auth
;
1607 alg_enc
= cipher
->algorithm_enc
;
1608 alg_mac
= cipher
->algorithm_mac
;
1609 alg_ssl
= cipher
->algorithm_ssl
;
1611 is_export
= SSL_C_IS_EXPORT(cipher
);
1612 pkl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
1613 kl
= SSL_C_EXPORT_KEYLENGTH(cipher
);
1614 exp_str
= is_export
? " export" : "";
1616 if (alg_ssl
& SSL_SSLV3
)
1618 else if (alg_ssl
& SSL_TLSV1_2
)
1625 kx
= is_export
? (pkl
== 512 ? "RSA(512)" : "RSA(1024)") : "RSA";
1634 kx
= is_export
? (pkl
== 512 ? "DH(512)" : "DH(1024)") : "DH";
1696 enc
= (is_export
&& kl
== 5) ? "DES(40)" : "DES(56)";
1702 enc
= is_export
? (kl
== 5 ? "RC4(40)" : "RC4(56)") : "RC4(128)";
1705 enc
= is_export
? (kl
== 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)";
1720 enc
= "AESGCM(128)";
1723 enc
= "AESGCM(256)";
1725 case SSL_CAMELLIA128
:
1726 enc
= "Camellia(128)";
1728 case SSL_CAMELLIA256
:
1729 enc
= "Camellia(256)";
1734 case SSL_eGOST2814789CNT
:
1735 enc
= "GOST89(256)";
1771 buf
= OPENSSL_malloc(len
);
1773 return ("OPENSSL_malloc Error");
1774 } else if (len
< 128)
1775 return ("Buffer too small");
1777 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1783 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1789 i
= (int)(c
->id
>> 24L);
1791 return ("TLSv1/SSLv3");
1796 /* return the actual cipher being used */
1797 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1804 /* number of bits for symmetric cipher */
1805 int SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, int *alg_bits
)
1810 if (alg_bits
!= NULL
)
1811 *alg_bits
= c
->alg_bits
;
1812 ret
= c
->strength_bits
;
1817 unsigned long SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1822 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1827 if ((n
== 0) || (sk
== NULL
))
1829 nn
= sk_SSL_COMP_num(sk
);
1830 for (i
= 0; i
< nn
; i
++) {
1831 ctmp
= sk_SSL_COMP_value(sk
, i
);
1838 #ifdef OPENSSL_NO_COMP
1839 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1843 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1848 void SSL_COMP_free_compression_methods(void)
1851 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1857 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1859 load_builtin_compressions();
1860 return (ssl_comp_methods
);
1863 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1866 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1867 ssl_comp_methods
= meths
;
1871 static void cmeth_free(SSL_COMP
*cm
)
1876 void SSL_COMP_free_compression_methods(void)
1878 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1879 ssl_comp_methods
= NULL
;
1880 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1883 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1887 if (cm
== NULL
|| COMP_get_type(cm
) == NID_undef
)
1891 * According to draft-ietf-tls-compression-04.txt, the
1892 * compression number ranges should be the following:
1894 * 0 to 63: methods defined by the IETF
1895 * 64 to 192: external party methods assigned by IANA
1896 * 193 to 255: reserved for private use
1898 if (id
< 193 || id
> 255) {
1899 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1900 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1905 comp
= OPENSSL_malloc(sizeof(*comp
));
1908 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1914 load_builtin_compressions();
1915 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
1918 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1919 SSL_R_DUPLICATE_COMPRESSION_ID
);
1921 } else if ((ssl_comp_methods
== NULL
)
1922 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
1925 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1934 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
1936 #ifndef OPENSSL_NO_COMP
1937 return comp
? COMP_get_name(comp
) : NULL
;
1943 /* For a cipher return the index corresponding to the certificate type */
1944 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
1946 unsigned long alg_k
, alg_a
;
1948 alg_k
= c
->algorithm_mkey
;
1949 alg_a
= c
->algorithm_auth
;
1951 if (alg_k
& (SSL_kECDHr
| SSL_kECDHe
)) {
1953 * we don't need to look at SSL_kECDHE since no certificate is needed
1954 * for anon ECDH and for authenticated ECDHE, the check for the auth
1955 * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
1956 * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
1957 * checks for SSL_kECDH before RSA checks ensures the correct cert is
1960 return SSL_PKEY_ECC
;
1961 } else if (alg_a
& SSL_aECDSA
)
1962 return SSL_PKEY_ECC
;
1963 else if (alg_k
& SSL_kDHr
)
1964 return SSL_PKEY_DH_RSA
;
1965 else if (alg_k
& SSL_kDHd
)
1966 return SSL_PKEY_DH_DSA
;
1967 else if (alg_a
& SSL_aDSS
)
1968 return SSL_PKEY_DSA_SIGN
;
1969 else if (alg_a
& SSL_aRSA
)
1970 return SSL_PKEY_RSA_ENC
;
1971 else if (alg_a
& SSL_aGOST94
)
1972 return SSL_PKEY_GOST94
;
1973 else if (alg_a
& SSL_aGOST01
)
1974 return SSL_PKEY_GOST01
;
1978 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
1980 const SSL_CIPHER
*c
;
1981 c
= ssl
->method
->get_cipher_by_char(ptr
);
1982 if (c
== NULL
|| c
->valid
== 0)
1987 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
1989 return ssl
->method
->get_cipher_by_char(ptr
);
1992 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER
*c
)
1997 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
2000 return ssl_cipher_table_cipher
[i
].nid
;
2003 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER
*c
)
2008 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
2011 return ssl_cipher_table_mac
[i
].nid
;