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_AES128CCM_IDX 14
168 #define SSL_ENC_AES256CCM_IDX 15
169 #define SSL_ENC_AES128CCM8_IDX 16
170 #define SSL_ENC_AES256CCM8_IDX 17
171 #define SSL_ENC_GOST8912_IDX 18
172 #define SSL_ENC_CHACHA_IDX 19
173 #define SSL_ENC_NUM_IDX 20
175 /* NB: make sure indices in these tables match values above */
182 /* Table of NIDs for each cipher */
183 static const ssl_cipher_table ssl_cipher_table_cipher
[SSL_ENC_NUM_IDX
] = {
184 {SSL_DES
, NID_des_cbc
}, /* SSL_ENC_DES_IDX 0 */
185 {SSL_3DES
, NID_des_ede3_cbc
}, /* SSL_ENC_3DES_IDX 1 */
186 {SSL_RC4
, NID_rc4
}, /* SSL_ENC_RC4_IDX 2 */
187 {SSL_RC2
, NID_rc2_cbc
}, /* SSL_ENC_RC2_IDX 3 */
188 {SSL_IDEA
, NID_idea_cbc
}, /* SSL_ENC_IDEA_IDX 4 */
189 {SSL_eNULL
, NID_undef
}, /* SSL_ENC_NULL_IDX 5 */
190 {SSL_AES128
, NID_aes_128_cbc
}, /* SSL_ENC_AES128_IDX 6 */
191 {SSL_AES256
, NID_aes_256_cbc
}, /* SSL_ENC_AES256_IDX 7 */
192 {SSL_CAMELLIA128
, NID_camellia_128_cbc
}, /* SSL_ENC_CAMELLIA128_IDX 8 */
193 {SSL_CAMELLIA256
, NID_camellia_256_cbc
}, /* SSL_ENC_CAMELLIA256_IDX 9 */
194 {SSL_eGOST2814789CNT
, NID_gost89_cnt
}, /* SSL_ENC_GOST89_IDX 10 */
195 {SSL_SEED
, NID_seed_cbc
}, /* SSL_ENC_SEED_IDX 11 */
196 {SSL_AES128GCM
, NID_aes_128_gcm
}, /* SSL_ENC_AES128GCM_IDX 12 */
197 {SSL_AES256GCM
, NID_aes_256_gcm
}, /* SSL_ENC_AES256GCM_IDX 13 */
198 {SSL_AES128CCM
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM_IDX 14 */
199 {SSL_AES256CCM
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM_IDX 15 */
200 {SSL_AES128CCM8
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM8_IDX 16 */
201 {SSL_AES256CCM8
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM8_IDX 17 */
202 {SSL_eGOST2814789CNT12
, NID_gost89_cnt_12
}, /* SSL_ENC_GOST8912_IDX */
203 {SSL_CHACHA20POLY1305
, NID_chacha20_poly1305
},
206 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
207 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
211 #define SSL_COMP_NULL_IDX 0
212 #define SSL_COMP_ZLIB_IDX 1
213 #define SSL_COMP_NUM_IDX 2
215 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
218 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
222 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
224 /* NB: make sure indices in this table matches values above */
225 static const ssl_cipher_table ssl_cipher_table_mac
[SSL_MD_NUM_IDX
] = {
226 {SSL_MD5
, NID_md5
}, /* SSL_MD_MD5_IDX 0 */
227 {SSL_SHA1
, NID_sha1
}, /* SSL_MD_SHA1_IDX 1 */
228 {SSL_GOST94
, NID_id_GostR3411_94
}, /* SSL_MD_GOST94_IDX 2 */
229 {SSL_GOST89MAC
, NID_id_Gost28147_89_MAC
}, /* SSL_MD_GOST89MAC_IDX 3 */
230 {SSL_SHA256
, NID_sha256
}, /* SSL_MD_SHA256_IDX 4 */
231 {SSL_SHA384
, NID_sha384
}, /* SSL_MD_SHA384_IDX 5 */
232 {SSL_GOST12_256
, NID_id_GostR3411_2012_256
}, /* SSL_MD_GOST12_256_IDX 6 */
233 {SSL_GOST89MAC12
, NID_gost_mac_12
}, /* SSL_MD_GOST89MAC12_IDX 7 */
234 {SSL_GOST12_512
, NID_id_GostR3411_2012_512
}, /* SSL_MD_GOST12_512_IDX 8 */
235 {0, NID_md5_sha1
}, /* SSL_MD_MD5_SHA1_IDX 9 */
236 {0, NID_sha224
}, /* SSL_MD_SHA224_IDX 10 */
237 {0, NID_sha512
} /* SSL_MD_SHA512_IDX 11 */
240 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
241 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
244 /* Utility function for table lookup */
245 static int ssl_cipher_info_find(const ssl_cipher_table
* table
,
246 size_t table_cnt
, uint32_t mask
)
249 for (i
= 0; i
< table_cnt
; i
++, table
++) {
250 if (table
->mask
== mask
)
256 #define ssl_cipher_info_lookup(table, x) \
257 ssl_cipher_info_find(table, OSSL_NELEM(table), x)
260 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
261 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
264 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
265 /* MD5, SHA, GOST94, MAC89 */
266 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
267 /* SHA256, SHA384, GOST2012_256, MAC89-12 */
268 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
273 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
274 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
278 #define CIPHER_KILL 2
281 #define CIPHER_SPECIAL 5
283 typedef struct cipher_order_st
{
284 const SSL_CIPHER
*cipher
;
287 struct cipher_order_st
*next
, *prev
;
290 static const SSL_CIPHER cipher_aliases
[] = {
291 /* "ALL" doesn't include eNULL (must be specifically enabled) */
292 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
293 /* "COMPLEMENTOFALL" */
294 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
297 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
300 {0, SSL_TXT_CMPDEF
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_NOT_DEFAULT
, 0, 0, 0},
303 * key exchange aliases (some of those using only a single bit here
304 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
305 * combines DHE_DSS and DHE_RSA)
307 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
309 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
310 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
311 {0, SSL_TXT_DH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
314 {0, SSL_TXT_kECDHr
, 0, SSL_kECDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
315 {0, SSL_TXT_kECDHe
, 0, SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
316 {0, SSL_TXT_kECDH
, 0, SSL_kECDHr
| SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
317 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
318 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
319 {0, SSL_TXT_ECDH
, 0, SSL_kECDHr
| SSL_kECDHe
| SSL_kECDHE
, 0, 0, 0, 0, 0,
322 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
323 {0, SSL_TXT_kRSAPSK
, 0, SSL_kRSAPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
324 {0, SSL_TXT_kECDHEPSK
, 0, SSL_kECDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
325 {0, SSL_TXT_kDHEPSK
, 0, SSL_kDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
326 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
327 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
329 /* server authentication aliases */
330 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
331 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
332 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
333 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
334 {0, SSL_TXT_aECDH
, 0, 0, SSL_aECDH
, 0, 0, 0, 0, 0, 0, 0},
335 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
336 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
337 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
338 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
339 {0, SSL_TXT_aGOST12
, 0, 0, SSL_aGOST12
, 0, 0, 0, 0, 0, 0, 0},
340 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST01
| SSL_aGOST12
, 0, 0, 0,
342 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
344 /* aliases combining key exchange and server authentication */
345 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
346 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
347 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
348 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
349 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
350 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
351 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
352 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
353 {0, SSL_TXT_PSK
, 0, SSL_PSK
, 0, 0, 0, 0, 0, 0, 0, 0},
354 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
356 /* symmetric encryption aliases */
357 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
358 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
359 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
360 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
361 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
362 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
363 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
364 {0, SSL_TXT_GOST
, 0, 0, 0, SSL_eGOST2814789CNT
| SSL_eGOST2814789CNT12
, 0,
366 {0, SSL_TXT_AES128
, 0, 0, 0, SSL_AES128
| SSL_AES128GCM
| SSL_AES128CCM
| SSL_AES128CCM8
, 0,
368 {0, SSL_TXT_AES256
, 0, 0, 0, SSL_AES256
| SSL_AES256GCM
| SSL_AES256CCM
| SSL_AES256CCM8
, 0,
370 {0, SSL_TXT_AES
, 0, 0, 0, SSL_AES
, 0, 0, 0, 0, 0, 0},
371 {0, SSL_TXT_AES_GCM
, 0, 0, 0, SSL_AES128GCM
| SSL_AES256GCM
, 0, 0, 0, 0,
373 {0, SSL_TXT_AES_CCM
, 0, 0, 0, SSL_AES128CCM
| SSL_AES256CCM
| SSL_AES128CCM8
| SSL_AES256CCM8
, 0, 0, 0, 0,
375 {0, SSL_TXT_AES_CCM_8
, 0, 0, 0, SSL_AES128CCM8
| SSL_AES256CCM8
, 0, 0, 0, 0,
377 {0, SSL_TXT_CAMELLIA128
, 0, 0, 0, SSL_CAMELLIA128
, 0, 0, 0, 0, 0, 0},
378 {0, SSL_TXT_CAMELLIA256
, 0, 0, 0, SSL_CAMELLIA256
, 0, 0, 0, 0, 0, 0},
379 {0, SSL_TXT_CAMELLIA
, 0, 0, 0, SSL_CAMELLIA128
| SSL_CAMELLIA256
, 0, 0, 0,
383 {0, SSL_TXT_MD5
, 0, 0, 0, 0, SSL_MD5
, 0, 0, 0, 0, 0},
384 {0, SSL_TXT_SHA1
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
385 {0, SSL_TXT_SHA
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
386 {0, SSL_TXT_GOST94
, 0, 0, 0, 0, SSL_GOST94
, 0, 0, 0, 0, 0},
387 {0, SSL_TXT_GOST89MAC
, 0, 0, 0, 0, SSL_GOST89MAC
| SSL_GOST89MAC12
, 0, 0,
389 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
390 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
391 {0, SSL_TXT_GOST12
, 0, 0, 0, 0, SSL_GOST12_256
, 0, 0, 0, 0, 0},
393 /* protocol version aliases */
394 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
395 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
396 {0, "TLSv1.0", 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
397 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
399 /* strength classes */
400 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
401 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
402 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
403 /* FIPS 140-2 approved ciphersuite */
404 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
406 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
407 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
408 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
409 SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
410 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
411 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
412 SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
417 * Search for public key algorithm with given name and return its pkey_id if
418 * it is available. Otherwise return 0
420 #ifdef OPENSSL_NO_ENGINE
422 static int get_optional_pkey_id(const char *pkey_name
)
424 const EVP_PKEY_ASN1_METHOD
*ameth
;
426 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
427 if (ameth
&& EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
,
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 if (EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
,
448 ENGINE_finish(tmpeng
);
454 /* masks of disabled algorithms */
455 static uint32_t disabled_enc_mask
;
456 static uint32_t disabled_mac_mask
;
457 static uint32_t disabled_mkey_mask
;
458 static uint32_t disabled_auth_mask
;
460 void ssl_load_ciphers(void)
463 const ssl_cipher_table
*t
;
464 disabled_enc_mask
= 0;
465 for (i
= 0, t
= ssl_cipher_table_cipher
; i
< SSL_ENC_NUM_IDX
; i
++, t
++) {
466 if (t
->nid
== NID_undef
) {
467 ssl_cipher_methods
[i
] = NULL
;
469 const EVP_CIPHER
*cipher
= EVP_get_cipherbynid(t
->nid
);
470 ssl_cipher_methods
[i
] = cipher
;
472 disabled_enc_mask
|= t
->mask
;
475 #ifdef SSL_FORBID_ENULL
476 disabled_enc_mask
|= SSL_eNULL
;
478 disabled_mac_mask
= 0;
479 for (i
= 0, t
= ssl_cipher_table_mac
; i
< SSL_MD_NUM_IDX
; i
++, t
++) {
480 const EVP_MD
*md
= EVP_get_digestbynid(t
->nid
);
481 ssl_digest_methods
[i
] = md
;
483 disabled_mac_mask
|= t
->mask
;
485 ssl_mac_secret_size
[i
] = EVP_MD_size(md
);
486 OPENSSL_assert(ssl_mac_secret_size
[i
] >= 0);
489 /* Make sure we can access MD5 and SHA1 */
490 OPENSSL_assert(ssl_digest_methods
[SSL_MD_MD5_IDX
] != NULL
);
491 OPENSSL_assert(ssl_digest_methods
[SSL_MD_SHA1_IDX
] != NULL
);
493 disabled_mkey_mask
= 0;
494 disabled_auth_mask
= 0;
496 #ifdef OPENSSL_NO_RSA
497 disabled_mkey_mask
|= SSL_kRSA
| SSL_kRSAPSK
;
498 disabled_auth_mask
|= SSL_aRSA
;
500 #ifdef OPENSSL_NO_DSA
501 disabled_auth_mask
|= SSL_aDSS
;
504 disabled_mkey_mask
|= SSL_kDHE
| SSL_kDHEPSK
;
507 disabled_mkey_mask
|= SSL_kECDHe
| SSL_kECDHr
| SSL_kECDHEPSK
;
508 disabled_auth_mask
|= SSL_aECDSA
| SSL_aECDH
;
510 #ifdef OPENSSL_NO_PSK
511 disabled_mkey_mask
|= SSL_PSK
;
512 disabled_auth_mask
|= SSL_aPSK
;
514 #ifdef OPENSSL_NO_SRP
515 disabled_mkey_mask
|= SSL_kSRP
;
519 * Check for presence of GOST 34.10 algorithms, and if they are not
520 * present, disable appropriate auth and key exchange
522 ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] = get_optional_pkey_id("gost-mac");
523 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
]) {
524 ssl_mac_secret_size
[SSL_MD_GOST89MAC_IDX
] = 32;
526 disabled_mac_mask
|= SSL_GOST89MAC
;
529 ssl_mac_pkey_id
[SSL_MD_GOST89MAC12_IDX
] = get_optional_pkey_id("gost-mac-12");
530 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC12_IDX
]) {
531 ssl_mac_secret_size
[SSL_MD_GOST89MAC12_IDX
] = 32;
533 disabled_mac_mask
|= SSL_GOST89MAC12
;
536 if (!get_optional_pkey_id("gost2001"))
537 disabled_auth_mask
|= SSL_aGOST01
| SSL_aGOST12
;
538 if (!get_optional_pkey_id("gost2012_256"))
539 disabled_auth_mask
|= SSL_aGOST12
;
540 if (!get_optional_pkey_id("gost2012_512"))
541 disabled_auth_mask
|= SSL_aGOST12
;
543 * Disable GOST key exchange if no GOST signature algs are available *
545 if ((disabled_auth_mask
& (SSL_aGOST01
| SSL_aGOST12
)) == (SSL_aGOST01
| SSL_aGOST12
))
546 disabled_mkey_mask
|= SSL_kGOST
;
549 #ifndef OPENSSL_NO_COMP
551 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
553 return ((*a
)->id
- (*b
)->id
);
556 static void load_builtin_compressions(void)
558 int got_write_lock
= 0;
560 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
561 if (ssl_comp_methods
== NULL
) {
562 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
563 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
566 if (ssl_comp_methods
== NULL
) {
567 SSL_COMP
*comp
= NULL
;
568 COMP_METHOD
*method
= COMP_zlib();
571 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
572 if (COMP_get_type(method
) != NID_undef
573 && ssl_comp_methods
!= NULL
) {
574 comp
= OPENSSL_malloc(sizeof(*comp
));
576 comp
->method
= method
;
577 comp
->id
= SSL_COMP_ZLIB_IDX
;
578 comp
->name
= COMP_get_name(method
);
579 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
580 sk_SSL_COMP_sort(ssl_comp_methods
);
588 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
590 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
594 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
595 const EVP_MD
**md
, int *mac_pkey_type
,
596 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
606 #ifndef OPENSSL_NO_COMP
607 load_builtin_compressions();
611 ctmp
.id
= s
->compress_meth
;
612 if (ssl_comp_methods
!= NULL
) {
613 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
615 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
619 /* If were only interested in comp then return success */
620 if ((enc
== NULL
) && (md
== NULL
))
624 if ((enc
== NULL
) || (md
== NULL
))
627 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
632 if (i
== SSL_ENC_NULL_IDX
)
633 *enc
= EVP_enc_null();
635 *enc
= ssl_cipher_methods
[i
];
638 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
641 if (mac_pkey_type
!= NULL
)
642 *mac_pkey_type
= NID_undef
;
643 if (mac_secret_size
!= NULL
)
644 *mac_secret_size
= 0;
645 if (c
->algorithm_mac
== SSL_AEAD
)
646 mac_pkey_type
= NULL
;
648 *md
= ssl_digest_methods
[i
];
649 if (mac_pkey_type
!= NULL
)
650 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
651 if (mac_secret_size
!= NULL
)
652 *mac_secret_size
= ssl_mac_secret_size
[i
];
655 if ((*enc
!= NULL
) &&
656 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
657 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
658 const EVP_CIPHER
*evp
;
663 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
664 s
->ssl_version
< TLS1_VERSION
)
670 if (c
->algorithm_enc
== SSL_RC4
&&
671 c
->algorithm_mac
== SSL_MD5
&&
672 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
673 *enc
= evp
, *md
= NULL
;
674 else if (c
->algorithm_enc
== SSL_AES128
&&
675 c
->algorithm_mac
== SSL_SHA1
&&
676 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
677 *enc
= evp
, *md
= NULL
;
678 else if (c
->algorithm_enc
== SSL_AES256
&&
679 c
->algorithm_mac
== SSL_SHA1
&&
680 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
681 *enc
= evp
, *md
= NULL
;
682 else if (c
->algorithm_enc
== SSL_AES128
&&
683 c
->algorithm_mac
== SSL_SHA256
&&
684 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
685 *enc
= evp
, *md
= NULL
;
686 else if (c
->algorithm_enc
== SSL_AES256
&&
687 c
->algorithm_mac
== SSL_SHA256
&&
688 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
689 *enc
= evp
, *md
= NULL
;
695 const EVP_MD
*ssl_md(int idx
)
697 idx
&= SSL_HANDSHAKE_MAC_MASK
;
698 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
)
700 return ssl_digest_methods
[idx
];
703 const EVP_MD
*ssl_handshake_md(SSL
*s
)
705 return ssl_md(ssl_get_algorithm2(s
));
708 const EVP_MD
*ssl_prf_md(SSL
*s
)
710 return ssl_md(ssl_get_algorithm2(s
) >> TLS1_PRF_DGST_SHIFT
);
713 #define ITEM_SEP(a) \
714 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
716 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
723 if (curr
->prev
!= NULL
)
724 curr
->prev
->next
= curr
->next
;
725 if (curr
->next
!= NULL
)
726 curr
->next
->prev
= curr
->prev
;
727 (*tail
)->next
= curr
;
733 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
740 if (curr
->next
!= NULL
)
741 curr
->next
->prev
= curr
->prev
;
742 if (curr
->prev
!= NULL
)
743 curr
->prev
->next
= curr
->next
;
744 (*head
)->prev
= curr
;
750 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
752 uint32_t disabled_mkey
,
753 uint32_t disabled_auth
,
754 uint32_t disabled_enc
,
755 uint32_t disabled_mac
,
756 uint32_t disabled_ssl
,
757 CIPHER_ORDER
*co_list
,
758 CIPHER_ORDER
**head_p
,
759 CIPHER_ORDER
**tail_p
)
765 * We have num_of_ciphers descriptions compiled in, depending on the
766 * method selected (SSLv3, TLSv1 etc).
767 * These will later be sorted in a linked list with at most num
771 /* Get the initial list of ciphers */
772 co_list_num
= 0; /* actual count of ciphers */
773 for (i
= 0; i
< num_of_ciphers
; i
++) {
774 c
= ssl_method
->get_cipher(i
);
775 /* drop those that use any of that is not available */
776 if ((c
!= NULL
) && c
->valid
&&
777 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
778 !(c
->algorithm_mkey
& disabled_mkey
) &&
779 !(c
->algorithm_auth
& disabled_auth
) &&
780 !(c
->algorithm_enc
& disabled_enc
) &&
781 !(c
->algorithm_mac
& disabled_mac
) &&
782 !(c
->algorithm_ssl
& disabled_ssl
)) {
783 co_list
[co_list_num
].cipher
= c
;
784 co_list
[co_list_num
].next
= NULL
;
785 co_list
[co_list_num
].prev
= NULL
;
786 co_list
[co_list_num
].active
= 0;
789 * if (!sk_push(ca_list,(char *)c)) goto err;
795 * Prepare linked list from list entries
797 if (co_list_num
> 0) {
798 co_list
[0].prev
= NULL
;
800 if (co_list_num
> 1) {
801 co_list
[0].next
= &co_list
[1];
803 for (i
= 1; i
< co_list_num
- 1; i
++) {
804 co_list
[i
].prev
= &co_list
[i
- 1];
805 co_list
[i
].next
= &co_list
[i
+ 1];
808 co_list
[co_list_num
- 1].prev
= &co_list
[co_list_num
- 2];
811 co_list
[co_list_num
- 1].next
= NULL
;
813 *head_p
= &co_list
[0];
814 *tail_p
= &co_list
[co_list_num
- 1];
818 static void ssl_cipher_collect_aliases(const SSL_CIPHER
**ca_list
,
819 int num_of_group_aliases
,
820 uint32_t disabled_mkey
,
821 uint32_t disabled_auth
,
822 uint32_t disabled_enc
,
823 uint32_t disabled_mac
,
824 uint32_t disabled_ssl
,
827 CIPHER_ORDER
*ciph_curr
;
828 const SSL_CIPHER
**ca_curr
;
830 uint32_t mask_mkey
= ~disabled_mkey
;
831 uint32_t mask_auth
= ~disabled_auth
;
832 uint32_t mask_enc
= ~disabled_enc
;
833 uint32_t mask_mac
= ~disabled_mac
;
834 uint32_t mask_ssl
= ~disabled_ssl
;
837 * First, add the real ciphers as already collected
841 while (ciph_curr
!= NULL
) {
842 *ca_curr
= ciph_curr
->cipher
;
844 ciph_curr
= ciph_curr
->next
;
848 * Now we add the available ones from the cipher_aliases[] table.
849 * They represent either one or more algorithms, some of which
850 * in any affected category must be supported (set in enabled_mask),
851 * or represent a cipher strength value (will be added in any case because algorithms=0).
853 for (i
= 0; i
< num_of_group_aliases
; i
++) {
854 uint32_t algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
855 uint32_t algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
856 uint32_t algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
857 uint32_t algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
858 uint32_t algorithm_ssl
= cipher_aliases
[i
].algorithm_ssl
;
861 if ((algorithm_mkey
& mask_mkey
) == 0)
865 if ((algorithm_auth
& mask_auth
) == 0)
869 if ((algorithm_enc
& mask_enc
) == 0)
873 if ((algorithm_mac
& mask_mac
) == 0)
877 if ((algorithm_ssl
& mask_ssl
) == 0)
880 *ca_curr
= (SSL_CIPHER
*)(cipher_aliases
+ i
);
884 *ca_curr
= NULL
; /* end of list */
887 static void ssl_cipher_apply_rule(uint32_t cipher_id
, uint32_t alg_mkey
,
888 uint32_t alg_auth
, uint32_t alg_enc
,
889 uint32_t alg_mac
, uint32_t alg_ssl
,
890 uint32_t algo_strength
, int rule
,
891 int32_t strength_bits
, CIPHER_ORDER
**head_p
,
892 CIPHER_ORDER
**tail_p
)
894 CIPHER_ORDER
*head
, *tail
, *curr
, *next
, *last
;
895 const SSL_CIPHER
*cp
;
900 "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
901 rule
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
902 algo_strength
, strength_bits
);
905 if (rule
== CIPHER_DEL
)
906 reverse
= 1; /* needed to maintain sorting between
907 * currently deleted ciphers */
930 next
= reverse
? curr
->prev
: curr
->next
;
935 * Selection criteria is either the value of strength_bits
936 * or the algorithms used.
938 if (strength_bits
>= 0) {
939 if (strength_bits
!= cp
->strength_bits
)
944 "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n",
945 cp
->name
, cp
->algorithm_mkey
, cp
->algorithm_auth
,
946 cp
->algorithm_enc
, cp
->algorithm_mac
, cp
->algorithm_ssl
,
949 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
950 if (cipher_id
&& cipher_id
!= cp
->id
)
953 if (alg_mkey
&& !(alg_mkey
& cp
->algorithm_mkey
))
955 if (alg_auth
&& !(alg_auth
& cp
->algorithm_auth
))
957 if (alg_enc
&& !(alg_enc
& cp
->algorithm_enc
))
959 if (alg_mac
&& !(alg_mac
& cp
->algorithm_mac
))
961 if (alg_ssl
&& !(alg_ssl
& cp
->algorithm_ssl
))
963 if (algo_strength
&& !(algo_strength
& cp
->algo_strength
))
965 if ((algo_strength
& SSL_DEFAULT_MASK
)
966 && !(algo_strength
& SSL_DEFAULT_MASK
& cp
->algo_strength
))
971 fprintf(stderr
, "Action = %d\n", rule
);
974 /* add the cipher if it has not been added yet. */
975 if (rule
== CIPHER_ADD
) {
978 ll_append_tail(&head
, curr
, &tail
);
982 /* Move the added cipher to this location */
983 else if (rule
== CIPHER_ORD
) {
986 ll_append_tail(&head
, curr
, &tail
);
988 } else if (rule
== CIPHER_DEL
) {
992 * most recently deleted ciphersuites get best positions for
993 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
994 * in reverse to maintain the order)
996 ll_append_head(&head
, curr
, &tail
);
999 } else if (rule
== CIPHER_KILL
) {
1004 curr
->prev
->next
= curr
->next
;
1008 if (curr
->next
!= NULL
)
1009 curr
->next
->prev
= curr
->prev
;
1010 if (curr
->prev
!= NULL
)
1011 curr
->prev
->next
= curr
->next
;
1021 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1022 CIPHER_ORDER
**tail_p
)
1024 int32_t max_strength_bits
;
1025 int i
, *number_uses
;
1029 * This routine sorts the ciphers with descending strength. The sorting
1030 * must keep the pre-sorted sequence, so we apply the normal sorting
1031 * routine as '+' movement to the end of the list.
1033 max_strength_bits
= 0;
1035 while (curr
!= NULL
) {
1036 if (curr
->active
&& (curr
->cipher
->strength_bits
> max_strength_bits
))
1037 max_strength_bits
= curr
->cipher
->strength_bits
;
1041 number_uses
= OPENSSL_zalloc(sizeof(int) * (max_strength_bits
+ 1));
1042 if (number_uses
== NULL
) {
1043 SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT
, ERR_R_MALLOC_FAILURE
);
1048 * Now find the strength_bits values actually used
1051 while (curr
!= NULL
) {
1053 number_uses
[curr
->cipher
->strength_bits
]++;
1057 * Go through the list of used strength_bits values in descending
1060 for (i
= max_strength_bits
; i
>= 0; i
--)
1061 if (number_uses
[i
] > 0)
1062 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD
, i
, head_p
,
1065 OPENSSL_free(number_uses
);
1069 static int ssl_cipher_process_rulestr(const char *rule_str
,
1070 CIPHER_ORDER
**head_p
,
1071 CIPHER_ORDER
**tail_p
,
1072 const SSL_CIPHER
**ca_list
, CERT
*c
)
1074 uint32_t alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
, algo_strength
;
1075 const char *l
, *buf
;
1076 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1077 uint32_t cipher_id
= 0;
1090 } else if (ch
== '+') {
1093 } else if (ch
== '!') {
1096 } else if (ch
== '@') {
1097 rule
= CIPHER_SPECIAL
;
1119 #ifndef CHARSET_EBCDIC
1120 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1121 ((ch
>= '0') && (ch
<= '9')) ||
1122 ((ch
>= 'a') && (ch
<= 'z')) ||
1123 (ch
== '-') || (ch
== '.') || (ch
== '='))
1125 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1134 * We hit something we cannot deal with,
1135 * it is no command or separator nor
1136 * alphanumeric, so we call this an error.
1138 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1139 SSL_R_INVALID_COMMAND
);
1145 if (rule
== CIPHER_SPECIAL
) {
1146 found
= 0; /* unused -- avoid compiler warning */
1147 break; /* special treatment */
1150 /* check for multi-part specification */
1158 * Now search for the cipher alias in the ca_list. Be careful
1159 * with the strncmp, because the "buflen" limitation
1160 * will make the rule "ADH:SOME" and the cipher
1161 * "ADH-MY-CIPHER" look like a match for buflen=3.
1162 * So additionally check whether the cipher name found
1163 * has the correct length. We can save a strlen() call:
1164 * just checking for the '\0' at the right place is
1165 * sufficient, we have to strncmp() anyway. (We cannot
1166 * use strcmp(), because buf is not '\0' terminated.)
1170 while (ca_list
[j
]) {
1171 if (strncmp(buf
, ca_list
[j
]->name
, buflen
) == 0
1172 && (ca_list
[j
]->name
[buflen
] == '\0')) {
1180 break; /* ignore this entry */
1182 if (ca_list
[j
]->algorithm_mkey
) {
1184 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1190 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1193 if (ca_list
[j
]->algorithm_auth
) {
1195 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1201 alg_auth
= ca_list
[j
]->algorithm_auth
;
1204 if (ca_list
[j
]->algorithm_enc
) {
1206 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1212 alg_enc
= ca_list
[j
]->algorithm_enc
;
1215 if (ca_list
[j
]->algorithm_mac
) {
1217 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1223 alg_mac
= ca_list
[j
]->algorithm_mac
;
1226 if (ca_list
[j
]->algo_strength
) {
1227 if (algo_strength
) {
1228 algo_strength
&= ca_list
[j
]->algo_strength
;
1229 if (!algo_strength
) {
1234 algo_strength
= ca_list
[j
]->algo_strength
;
1237 if (ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
) {
1238 if (algo_strength
& SSL_DEFAULT_MASK
) {
1240 (ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
) |
1242 if (!(algo_strength
& SSL_DEFAULT_MASK
)) {
1248 ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
;
1251 if (ca_list
[j
]->valid
) {
1253 * explicit ciphersuite found; its protocol version does not
1254 * become part of the search pattern!
1257 cipher_id
= ca_list
[j
]->id
;
1260 * not an explicit ciphersuite; only in this case, the
1261 * protocol version is considered part of the search pattern
1264 if (ca_list
[j
]->algorithm_ssl
) {
1266 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1272 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1281 * Ok, we have the rule, now apply it
1283 if (rule
== CIPHER_SPECIAL
) { /* special command */
1285 if ((buflen
== 8) && strncmp(buf
, "STRENGTH", 8) == 0)
1286 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1287 else if (buflen
== 10 && strncmp(buf
, "SECLEVEL=", 9) == 0) {
1288 int level
= buf
[9] - '0';
1289 if (level
< 0 || level
> 5) {
1290 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1291 SSL_R_INVALID_COMMAND
);
1293 c
->sec_level
= level
;
1297 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1298 SSL_R_INVALID_COMMAND
);
1302 * We do not support any "multi" options
1303 * together with "@", so throw away the
1304 * rest of the command, if any left, until
1305 * end or ':' is found.
1307 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1310 ssl_cipher_apply_rule(cipher_id
,
1311 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1312 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1315 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1325 #ifndef OPENSSL_NO_EC
1326 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1327 const char **prule_str
)
1329 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1330 if (strncmp(*prule_str
, "SUITEB128ONLY", 13) == 0) {
1331 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1332 } else if (strncmp(*prule_str
, "SUITEB128C2", 11) == 0) {
1334 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1335 } else if (strncmp(*prule_str
, "SUITEB128", 9) == 0) {
1336 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1337 } else if (strncmp(*prule_str
, "SUITEB192", 9) == 0) {
1338 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1342 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1343 c
->cert_flags
|= suiteb_flags
;
1345 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1349 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1351 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1352 if (meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
)
1353 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1354 SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1356 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1357 SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1360 # ifndef OPENSSL_NO_EC
1361 switch (suiteb_flags
) {
1362 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1364 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1367 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1369 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1370 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1372 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1373 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1378 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1379 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1385 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1386 **cipher_list
, STACK_OF(SSL_CIPHER
)
1387 **cipher_list_by_id
,
1388 const char *rule_str
, CERT
*c
)
1390 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1391 uint32_t disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1393 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1395 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1396 const SSL_CIPHER
**ca_list
= NULL
;
1399 * Return with error if nothing to do.
1401 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1403 #ifndef OPENSSL_NO_EC
1404 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1409 * To reduce the work to do we only want to process the compiled
1410 * in algorithms, so we first get the mask of disabled ciphers.
1413 disabled_mkey
= disabled_mkey_mask
;
1414 disabled_auth
= disabled_auth_mask
;
1415 disabled_enc
= disabled_enc_mask
;
1416 disabled_mac
= disabled_mac_mask
;
1420 * Now we have to collect the available ciphers from the compiled
1421 * in ciphers. We cannot get more than the number compiled in, so
1422 * it is used for allocation.
1424 num_of_ciphers
= ssl_method
->num_ciphers();
1426 co_list
= OPENSSL_malloc(sizeof(*co_list
) * num_of_ciphers
);
1427 if (co_list
== NULL
) {
1428 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1429 return (NULL
); /* Failure */
1432 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1433 disabled_mkey
, disabled_auth
, disabled_enc
,
1434 disabled_mac
, disabled_ssl
, co_list
, &head
,
1437 /* Now arrange all ciphers by preference: */
1440 * Everything else being equal, prefer ephemeral ECDH over other key
1441 * exchange mechanisms
1443 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1445 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1448 /* AES is our preferred symmetric cipher */
1449 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1452 /* Temporarily enable everything else for sorting */
1453 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1455 /* Low priority for MD5 */
1456 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1460 * Move anonymous ciphers to the end. Usually, these will remain
1461 * disabled. (For applications that allow them, they aren't too bad, but
1462 * we prefer authenticated ciphers.)
1464 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1467 /* Move ciphers without forward secrecy to the end */
1468 ssl_cipher_apply_rule(0, 0, SSL_aECDH
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1471 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1474 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1476 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1479 /* RC4 is sort-of broken -- move the the end */
1480 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1484 * Now sort by symmetric encryption strength. The above ordering remains
1485 * in force within each class
1487 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1488 OPENSSL_free(co_list
);
1492 /* Now disable everything (maintaining the ordering!) */
1493 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1496 * We also need cipher aliases for selecting based on the rule_str.
1497 * There might be two types of entries in the rule_str: 1) names
1498 * of ciphers themselves 2) aliases for groups of ciphers.
1499 * For 1) we need the available ciphers and for 2) the cipher
1500 * groups of cipher_aliases added together in one list (otherwise
1501 * we would be happy with just the cipher_aliases table).
1503 num_of_group_aliases
= OSSL_NELEM(cipher_aliases
);
1504 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1505 ca_list
= OPENSSL_malloc(sizeof(*ca_list
) * num_of_alias_max
);
1506 if (ca_list
== NULL
) {
1507 OPENSSL_free(co_list
);
1508 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1509 return (NULL
); /* Failure */
1511 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1512 disabled_mkey
, disabled_auth
, disabled_enc
,
1513 disabled_mac
, disabled_ssl
, head
);
1516 * If the rule_string begins with DEFAULT, apply the default rule
1517 * before using the (possibly available) additional rules.
1521 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1522 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1523 &head
, &tail
, ca_list
, c
);
1529 if (ok
&& (strlen(rule_p
) > 0))
1530 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1532 OPENSSL_free(ca_list
); /* Not needed anymore */
1534 if (!ok
) { /* Rule processing failure */
1535 OPENSSL_free(co_list
);
1540 * Allocate new "cipherstack" for the result, return with error
1541 * if we cannot get one.
1543 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1544 OPENSSL_free(co_list
);
1549 * The cipher selection for the list is done. The ciphers are added
1550 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1552 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1554 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1555 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1556 OPENSSL_free(co_list
);
1557 sk_SSL_CIPHER_free(cipherstack
);
1561 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1565 OPENSSL_free(co_list
); /* Not needed any longer */
1567 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1568 if (tmp_cipher_list
== NULL
) {
1569 sk_SSL_CIPHER_free(cipherstack
);
1572 sk_SSL_CIPHER_free(*cipher_list
);
1573 *cipher_list
= cipherstack
;
1574 if (*cipher_list_by_id
!= NULL
)
1575 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1576 *cipher_list_by_id
= tmp_cipher_list
;
1577 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1578 ssl_cipher_ptr_id_cmp
);
1580 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1581 return (cipherstack
);
1584 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1587 const char *kx
, *au
, *enc
, *mac
;
1588 uint32_t alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
;
1589 static const char *format
=
1590 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s\n";
1592 alg_mkey
= cipher
->algorithm_mkey
;
1593 alg_auth
= cipher
->algorithm_auth
;
1594 alg_enc
= cipher
->algorithm_enc
;
1595 alg_mac
= cipher
->algorithm_mac
;
1596 alg_ssl
= cipher
->algorithm_ssl
;
1598 if (alg_ssl
& SSL_SSLV3
)
1600 else if (alg_ssl
& SSL_TLSV1
)
1602 else if (alg_ssl
& SSL_TLSV1_2
)
1670 /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */
1671 case (SSL_aGOST12
| SSL_aGOST01
):
1705 enc
= "AESGCM(128)";
1708 enc
= "AESGCM(256)";
1711 enc
= "AESCCM(128)";
1714 enc
= "AESCCM(256)";
1716 case SSL_AES128CCM8
:
1717 enc
= "AESCCM8(128)";
1719 case SSL_AES256CCM8
:
1720 enc
= "AESCCM8(256)";
1722 case SSL_CAMELLIA128
:
1723 enc
= "Camellia(128)";
1725 case SSL_CAMELLIA256
:
1726 enc
= "Camellia(256)";
1731 case SSL_eGOST2814789CNT
:
1732 case SSL_eGOST2814789CNT12
:
1733 enc
= "GOST89(256)";
1735 case SSL_CHACHA20POLY1305
:
1736 enc
= "CHACHA20/POLY1305(256)";
1760 case SSL_GOST89MAC12
:
1766 case SSL_GOST12_256
:
1767 case SSL_GOST12_512
:
1777 buf
= OPENSSL_malloc(len
);
1779 return ("OPENSSL_malloc Error");
1780 } else if (len
< 128)
1781 return ("Buffer too small");
1783 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
);
1788 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1794 i
= (int)(c
->id
>> 24L);
1796 return ("TLSv1/SSLv3");
1801 /* return the actual cipher being used */
1802 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1809 /* number of bits for symmetric cipher */
1810 int SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, int *alg_bits
)
1815 if (alg_bits
!= NULL
)
1816 *alg_bits
= (int) c
->alg_bits
;
1817 ret
= (int) c
->strength_bits
;
1822 uint32_t SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1827 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1832 if ((n
== 0) || (sk
== NULL
))
1834 nn
= sk_SSL_COMP_num(sk
);
1835 for (i
= 0; i
< nn
; i
++) {
1836 ctmp
= sk_SSL_COMP_value(sk
, i
);
1843 #ifdef OPENSSL_NO_COMP
1844 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1848 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1853 void SSL_COMP_free_compression_methods(void)
1856 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1862 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1864 load_builtin_compressions();
1865 return (ssl_comp_methods
);
1868 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1871 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1872 ssl_comp_methods
= meths
;
1876 static void cmeth_free(SSL_COMP
*cm
)
1881 void SSL_COMP_free_compression_methods(void)
1883 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1884 ssl_comp_methods
= NULL
;
1885 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1888 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1892 if (cm
== NULL
|| COMP_get_type(cm
) == NID_undef
)
1896 * According to draft-ietf-tls-compression-04.txt, the
1897 * compression number ranges should be the following:
1899 * 0 to 63: methods defined by the IETF
1900 * 64 to 192: external party methods assigned by IANA
1901 * 193 to 255: reserved for private use
1903 if (id
< 193 || id
> 255) {
1904 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1905 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1910 comp
= OPENSSL_malloc(sizeof(*comp
));
1913 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1919 load_builtin_compressions();
1920 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
1923 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1924 SSL_R_DUPLICATE_COMPRESSION_ID
);
1926 } else if ((ssl_comp_methods
== NULL
)
1927 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
1930 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1939 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
1941 #ifndef OPENSSL_NO_COMP
1942 return comp
? COMP_get_name(comp
) : NULL
;
1948 /* For a cipher return the index corresponding to the certificate type */
1949 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
1951 uint32_t alg_k
, alg_a
;
1953 alg_k
= c
->algorithm_mkey
;
1954 alg_a
= c
->algorithm_auth
;
1956 if (alg_k
& (SSL_kECDHr
| SSL_kECDHe
)) {
1958 * we don't need to look at SSL_kECDHE since no certificate is needed
1959 * for anon ECDH and for authenticated ECDHE, the check for the auth
1960 * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
1961 * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
1962 * checks for SSL_kECDH before RSA checks ensures the correct cert is
1965 return SSL_PKEY_ECC
;
1966 } else if (alg_a
& SSL_aECDSA
)
1967 return SSL_PKEY_ECC
;
1968 else if (alg_a
& SSL_aDSS
)
1969 return SSL_PKEY_DSA_SIGN
;
1970 else if (alg_a
& SSL_aRSA
)
1971 return SSL_PKEY_RSA_ENC
;
1972 else if (alg_a
& SSL_aGOST12
)
1973 return SSL_PKEY_GOST_EC
;
1974 else if (alg_a
& SSL_aGOST01
)
1975 return SSL_PKEY_GOST01
;
1980 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
1982 const SSL_CIPHER
*c
;
1983 c
= ssl
->method
->get_cipher_by_char(ptr
);
1984 if (c
== NULL
|| c
->valid
== 0)
1989 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
1991 return ssl
->method
->get_cipher_by_char(ptr
);
1994 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER
*c
)
1999 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
2002 return ssl_cipher_table_cipher
[i
].nid
;
2005 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER
*c
)
2010 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
2013 return ssl_cipher_table_mac
[i
].nid
;