1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
112 * ECC cipher suite support in OpenSSL originally developed by
113 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 /* ====================================================================
116 * Copyright 2005 Nokia. All rights reserved.
118 * The portions of the attached software ("Contribution") is developed by
119 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
122 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
123 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
124 * support (see RFC 4279) to OpenSSL.
126 * No patent licenses or other rights except those expressly stated in
127 * the OpenSSL open source license shall be deemed granted or received
128 * expressly, by implication, estoppel, or otherwise.
130 * No assurances are provided by Nokia that the Contribution does not
131 * infringe the patent or other intellectual property rights of any third
132 * party or that the license provides you with all the necessary rights
133 * to make use of the Contribution.
135 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
136 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
137 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
138 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #include <openssl/objects.h>
144 #ifndef OPENSSL_NO_COMP
145 # include <openssl/comp.h>
147 #ifndef OPENSSL_NO_ENGINE
148 # include <openssl/engine.h>
150 #include "ssl_locl.h"
152 #define SSL_ENC_DES_IDX 0
153 #define SSL_ENC_3DES_IDX 1
154 #define SSL_ENC_RC4_IDX 2
155 #define SSL_ENC_RC2_IDX 3
156 #define SSL_ENC_IDEA_IDX 4
157 #define SSL_ENC_NULL_IDX 5
158 #define SSL_ENC_AES128_IDX 6
159 #define SSL_ENC_AES256_IDX 7
160 #define SSL_ENC_CAMELLIA128_IDX 8
161 #define SSL_ENC_CAMELLIA256_IDX 9
162 #define SSL_ENC_GOST89_IDX 10
163 #define SSL_ENC_SEED_IDX 11
164 #define SSL_ENC_AES128GCM_IDX 12
165 #define SSL_ENC_AES256GCM_IDX 13
166 #define SSL_ENC_AES128CCM_IDX 14
167 #define SSL_ENC_AES256CCM_IDX 15
168 #define SSL_ENC_AES128CCM8_IDX 16
169 #define SSL_ENC_AES256CCM8_IDX 17
170 #define SSL_ENC_GOST8912_IDX 18
171 #define SSL_ENC_CHACHA_IDX 19
172 #define SSL_ENC_NUM_IDX 20
174 /* NB: make sure indices in these tables match values above */
181 /* Table of NIDs for each cipher */
182 static const ssl_cipher_table ssl_cipher_table_cipher
[SSL_ENC_NUM_IDX
] = {
183 {SSL_DES
, NID_des_cbc
}, /* SSL_ENC_DES_IDX 0 */
184 {SSL_3DES
, NID_des_ede3_cbc
}, /* SSL_ENC_3DES_IDX 1 */
185 {SSL_RC4
, NID_rc4
}, /* SSL_ENC_RC4_IDX 2 */
186 {SSL_RC2
, NID_rc2_cbc
}, /* SSL_ENC_RC2_IDX 3 */
187 {SSL_IDEA
, NID_idea_cbc
}, /* SSL_ENC_IDEA_IDX 4 */
188 {SSL_eNULL
, NID_undef
}, /* SSL_ENC_NULL_IDX 5 */
189 {SSL_AES128
, NID_aes_128_cbc
}, /* SSL_ENC_AES128_IDX 6 */
190 {SSL_AES256
, NID_aes_256_cbc
}, /* SSL_ENC_AES256_IDX 7 */
191 {SSL_CAMELLIA128
, NID_camellia_128_cbc
}, /* SSL_ENC_CAMELLIA128_IDX 8 */
192 {SSL_CAMELLIA256
, NID_camellia_256_cbc
}, /* SSL_ENC_CAMELLIA256_IDX 9 */
193 {SSL_eGOST2814789CNT
, NID_gost89_cnt
}, /* SSL_ENC_GOST89_IDX 10 */
194 {SSL_SEED
, NID_seed_cbc
}, /* SSL_ENC_SEED_IDX 11 */
195 {SSL_AES128GCM
, NID_aes_128_gcm
}, /* SSL_ENC_AES128GCM_IDX 12 */
196 {SSL_AES256GCM
, NID_aes_256_gcm
}, /* SSL_ENC_AES256GCM_IDX 13 */
197 {SSL_AES128CCM
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM_IDX 14 */
198 {SSL_AES256CCM
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM_IDX 15 */
199 {SSL_AES128CCM8
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM8_IDX 16 */
200 {SSL_AES256CCM8
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM8_IDX 17 */
201 {SSL_eGOST2814789CNT12
, NID_gost89_cnt_12
}, /* SSL_ENC_GOST8912_IDX */
202 {SSL_CHACHA20POLY1305
, NID_chacha20_poly1305
},
205 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
206 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
210 #define SSL_COMP_NULL_IDX 0
211 #define SSL_COMP_ZLIB_IDX 1
212 #define SSL_COMP_NUM_IDX 2
214 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
217 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
221 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
223 /* NB: make sure indices in this table matches values above */
224 static const ssl_cipher_table ssl_cipher_table_mac
[SSL_MD_NUM_IDX
] = {
225 {SSL_MD5
, NID_md5
}, /* SSL_MD_MD5_IDX 0 */
226 {SSL_SHA1
, NID_sha1
}, /* SSL_MD_SHA1_IDX 1 */
227 {SSL_GOST94
, NID_id_GostR3411_94
}, /* SSL_MD_GOST94_IDX 2 */
228 {SSL_GOST89MAC
, NID_id_Gost28147_89_MAC
}, /* SSL_MD_GOST89MAC_IDX 3 */
229 {SSL_SHA256
, NID_sha256
}, /* SSL_MD_SHA256_IDX 4 */
230 {SSL_SHA384
, NID_sha384
}, /* SSL_MD_SHA384_IDX 5 */
231 {SSL_GOST12_256
, NID_id_GostR3411_2012_256
}, /* SSL_MD_GOST12_256_IDX 6 */
232 {SSL_GOST89MAC12
, NID_gost_mac_12
}, /* SSL_MD_GOST89MAC12_IDX 7 */
233 {SSL_GOST12_512
, NID_id_GostR3411_2012_512
}, /* SSL_MD_GOST12_512_IDX 8 */
234 {0, NID_md5_sha1
}, /* SSL_MD_MD5_SHA1_IDX 9 */
235 {0, NID_sha224
}, /* SSL_MD_SHA224_IDX 10 */
236 {0, NID_sha512
} /* SSL_MD_SHA512_IDX 11 */
239 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
240 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
243 static const ssl_cipher_table ssl_cipher_table_kx
[] = {
244 { SSL_kRSA
, NID_kx_rsa
},
245 { SSL_kECDHE
, NID_kx_ecdhe
},
246 { SSL_kDHE
, NID_kx_dhe
},
247 { SSL_kECDHEPSK
, NID_kx_ecdhe_psk
},
248 { SSL_kDHEPSK
, NID_kx_dhe_psk
},
249 { SSL_kRSAPSK
, NID_kx_rsa_psk
},
250 { SSL_kPSK
, NID_kx_psk
},
251 { SSL_kSRP
, NID_kx_srp
},
252 { SSL_kGOST
, NID_kx_gost
}
255 static const ssl_cipher_table ssl_cipher_table_auth
[] = {
256 { SSL_aRSA
, NID_auth_rsa
},
257 { SSL_aECDSA
, NID_auth_ecdsa
},
258 { SSL_aPSK
, NID_auth_psk
},
259 { SSL_aDSS
, NID_auth_dss
},
260 { SSL_aGOST01
, NID_auth_gost01
},
261 { SSL_aGOST12
, NID_auth_gost12
},
262 { SSL_aSRP
, NID_auth_srp
},
263 { SSL_aNULL
, NID_auth_null
}
266 /* Utility function for table lookup */
267 static int ssl_cipher_info_find(const ssl_cipher_table
* table
,
268 size_t table_cnt
, uint32_t mask
)
271 for (i
= 0; i
< table_cnt
; i
++, table
++) {
272 if (table
->mask
== mask
)
278 #define ssl_cipher_info_lookup(table, x) \
279 ssl_cipher_info_find(table, OSSL_NELEM(table), x)
282 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
283 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
286 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
287 /* MD5, SHA, GOST94, MAC89 */
288 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
289 /* SHA256, SHA384, GOST2012_256, MAC89-12 */
290 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
295 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
296 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
300 #define CIPHER_KILL 2
303 #define CIPHER_SPECIAL 5
305 * Bump the ciphers to the top of the list.
306 * This rule isn't currently supported by the public cipherstring API.
308 #define CIPHER_BUMP 6
310 typedef struct cipher_order_st
{
311 const SSL_CIPHER
*cipher
;
314 struct cipher_order_st
*next
, *prev
;
317 static const SSL_CIPHER cipher_aliases
[] = {
318 /* "ALL" doesn't include eNULL (must be specifically enabled) */
319 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
320 /* "COMPLEMENTOFALL" */
321 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
324 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
327 {0, SSL_TXT_CMPDEF
, 0, 0, 0, 0, 0, 0, SSL_NOT_DEFAULT
, 0, 0, 0},
330 * key exchange aliases (some of those using only a single bit here
331 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
332 * combines DHE_DSS and DHE_RSA)
334 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
336 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
337 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
338 {0, SSL_TXT_DH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
341 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
342 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
343 {0, SSL_TXT_ECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0,
346 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
347 {0, SSL_TXT_kRSAPSK
, 0, SSL_kRSAPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
348 {0, SSL_TXT_kECDHEPSK
, 0, SSL_kECDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
349 {0, SSL_TXT_kDHEPSK
, 0, SSL_kDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
350 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
351 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
353 /* server authentication aliases */
354 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
355 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
356 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
357 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
358 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
359 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
360 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
361 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
362 {0, SSL_TXT_aGOST12
, 0, 0, SSL_aGOST12
, 0, 0, 0, 0, 0, 0, 0},
363 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST01
| SSL_aGOST12
, 0, 0, 0,
365 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
367 /* aliases combining key exchange and server authentication */
368 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
369 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
370 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
371 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
372 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
373 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
374 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
375 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
376 {0, SSL_TXT_PSK
, 0, SSL_PSK
, 0, 0, 0, 0, 0, 0, 0, 0},
377 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
379 /* symmetric encryption aliases */
380 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
381 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
382 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
383 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
384 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
385 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
386 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
387 {0, SSL_TXT_GOST
, 0, 0, 0, SSL_eGOST2814789CNT
| SSL_eGOST2814789CNT12
, 0,
389 {0, SSL_TXT_AES128
, 0, 0, 0, SSL_AES128
| SSL_AES128GCM
| SSL_AES128CCM
| SSL_AES128CCM8
, 0,
391 {0, SSL_TXT_AES256
, 0, 0, 0, SSL_AES256
| SSL_AES256GCM
| SSL_AES256CCM
| SSL_AES256CCM8
, 0,
393 {0, SSL_TXT_AES
, 0, 0, 0, SSL_AES
, 0, 0, 0, 0, 0, 0},
394 {0, SSL_TXT_AES_GCM
, 0, 0, 0, SSL_AES128GCM
| SSL_AES256GCM
, 0, 0, 0, 0,
396 {0, SSL_TXT_AES_CCM
, 0, 0, 0, SSL_AES128CCM
| SSL_AES256CCM
| SSL_AES128CCM8
| SSL_AES256CCM8
, 0, 0, 0, 0,
398 {0, SSL_TXT_AES_CCM_8
, 0, 0, 0, SSL_AES128CCM8
| SSL_AES256CCM8
, 0, 0, 0, 0,
400 {0, SSL_TXT_CAMELLIA128
, 0, 0, 0, SSL_CAMELLIA128
, 0, 0, 0, 0, 0, 0},
401 {0, SSL_TXT_CAMELLIA256
, 0, 0, 0, SSL_CAMELLIA256
, 0, 0, 0, 0, 0, 0},
402 {0, SSL_TXT_CAMELLIA
, 0, 0, 0, SSL_CAMELLIA
, 0, 0, 0, 0, 0, 0},
403 {0, SSL_TXT_CHACHA20
, 0, 0, 0, SSL_CHACHA20
, 0, 0, 0, 0, 0, 0 },
406 {0, SSL_TXT_MD5
, 0, 0, 0, 0, SSL_MD5
, 0, 0, 0, 0, 0},
407 {0, SSL_TXT_SHA1
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
408 {0, SSL_TXT_SHA
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
409 {0, SSL_TXT_GOST94
, 0, 0, 0, 0, SSL_GOST94
, 0, 0, 0, 0, 0},
410 {0, SSL_TXT_GOST89MAC
, 0, 0, 0, 0, SSL_GOST89MAC
| SSL_GOST89MAC12
, 0, 0,
412 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
413 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
414 {0, SSL_TXT_GOST12
, 0, 0, 0, 0, SSL_GOST12_256
, 0, 0, 0, 0, 0},
416 /* protocol version aliases */
417 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
418 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
419 {0, "TLSv1.0", 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
420 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
422 /* strength classes */
423 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
424 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
425 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
426 /* FIPS 140-2 approved ciphersuite */
427 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
429 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
430 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
431 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
432 SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
433 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
434 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
435 SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
440 * Search for public key algorithm with given name and return its pkey_id if
441 * it is available. Otherwise return 0
443 #ifdef OPENSSL_NO_ENGINE
445 static int get_optional_pkey_id(const char *pkey_name
)
447 const EVP_PKEY_ASN1_METHOD
*ameth
;
449 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
450 if (ameth
&& EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
,
459 static int get_optional_pkey_id(const char *pkey_name
)
461 const EVP_PKEY_ASN1_METHOD
*ameth
;
462 ENGINE
*tmpeng
= NULL
;
464 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, pkey_name
, -1);
466 if (EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
,
470 ENGINE_finish(tmpeng
);
476 /* masks of disabled algorithms */
477 static uint32_t disabled_enc_mask
;
478 static uint32_t disabled_mac_mask
;
479 static uint32_t disabled_mkey_mask
;
480 static uint32_t disabled_auth_mask
;
482 void ssl_load_ciphers(void)
485 const ssl_cipher_table
*t
;
486 disabled_enc_mask
= 0;
487 for (i
= 0, t
= ssl_cipher_table_cipher
; i
< SSL_ENC_NUM_IDX
; i
++, t
++) {
488 if (t
->nid
== NID_undef
) {
489 ssl_cipher_methods
[i
] = NULL
;
491 const EVP_CIPHER
*cipher
= EVP_get_cipherbynid(t
->nid
);
492 ssl_cipher_methods
[i
] = cipher
;
494 disabled_enc_mask
|= t
->mask
;
497 #ifdef SSL_FORBID_ENULL
498 disabled_enc_mask
|= SSL_eNULL
;
500 disabled_mac_mask
= 0;
501 for (i
= 0, t
= ssl_cipher_table_mac
; i
< SSL_MD_NUM_IDX
; i
++, t
++) {
502 const EVP_MD
*md
= EVP_get_digestbynid(t
->nid
);
503 ssl_digest_methods
[i
] = md
;
505 disabled_mac_mask
|= t
->mask
;
507 ssl_mac_secret_size
[i
] = EVP_MD_size(md
);
508 OPENSSL_assert(ssl_mac_secret_size
[i
] >= 0);
511 /* Make sure we can access MD5 and SHA1 */
512 OPENSSL_assert(ssl_digest_methods
[SSL_MD_MD5_IDX
] != NULL
);
513 OPENSSL_assert(ssl_digest_methods
[SSL_MD_SHA1_IDX
] != NULL
);
515 disabled_mkey_mask
= 0;
516 disabled_auth_mask
= 0;
518 #ifdef OPENSSL_NO_RSA
519 disabled_mkey_mask
|= SSL_kRSA
| SSL_kRSAPSK
;
520 disabled_auth_mask
|= SSL_aRSA
;
522 #ifdef OPENSSL_NO_DSA
523 disabled_auth_mask
|= SSL_aDSS
;
526 disabled_mkey_mask
|= SSL_kDHE
| SSL_kDHEPSK
;
529 disabled_mkey_mask
|= SSL_kECDHEPSK
;
530 disabled_auth_mask
|= SSL_aECDSA
;
532 #ifdef OPENSSL_NO_PSK
533 disabled_mkey_mask
|= SSL_PSK
;
534 disabled_auth_mask
|= SSL_aPSK
;
536 #ifdef OPENSSL_NO_SRP
537 disabled_mkey_mask
|= SSL_kSRP
;
541 * Check for presence of GOST 34.10 algorithms, and if they are not
542 * present, disable appropriate auth and key exchange
544 ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] = get_optional_pkey_id("gost-mac");
545 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
]) {
546 ssl_mac_secret_size
[SSL_MD_GOST89MAC_IDX
] = 32;
548 disabled_mac_mask
|= SSL_GOST89MAC
;
551 ssl_mac_pkey_id
[SSL_MD_GOST89MAC12_IDX
] = get_optional_pkey_id("gost-mac-12");
552 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC12_IDX
]) {
553 ssl_mac_secret_size
[SSL_MD_GOST89MAC12_IDX
] = 32;
555 disabled_mac_mask
|= SSL_GOST89MAC12
;
558 if (!get_optional_pkey_id("gost2001"))
559 disabled_auth_mask
|= SSL_aGOST01
| SSL_aGOST12
;
560 if (!get_optional_pkey_id("gost2012_256"))
561 disabled_auth_mask
|= SSL_aGOST12
;
562 if (!get_optional_pkey_id("gost2012_512"))
563 disabled_auth_mask
|= SSL_aGOST12
;
565 * Disable GOST key exchange if no GOST signature algs are available *
567 if ((disabled_auth_mask
& (SSL_aGOST01
| SSL_aGOST12
)) == (SSL_aGOST01
| SSL_aGOST12
))
568 disabled_mkey_mask
|= SSL_kGOST
;
571 #ifndef OPENSSL_NO_COMP
573 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
575 return ((*a
)->id
- (*b
)->id
);
578 static void load_builtin_compressions(void)
580 int got_write_lock
= 0;
582 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
583 if (ssl_comp_methods
== NULL
) {
584 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
585 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
588 if (ssl_comp_methods
== NULL
) {
589 SSL_COMP
*comp
= NULL
;
590 COMP_METHOD
*method
= COMP_zlib();
592 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE
);
593 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
594 if (COMP_get_type(method
) != NID_undef
595 && ssl_comp_methods
!= NULL
) {
596 comp
= OPENSSL_malloc(sizeof(*comp
));
598 comp
->method
= method
;
599 comp
->id
= SSL_COMP_ZLIB_IDX
;
600 comp
->name
= COMP_get_name(method
);
601 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
602 sk_SSL_COMP_sort(ssl_comp_methods
);
605 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE
);
610 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
612 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
616 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
617 const EVP_MD
**md
, int *mac_pkey_type
,
618 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
628 #ifndef OPENSSL_NO_COMP
629 load_builtin_compressions();
633 ctmp
.id
= s
->compress_meth
;
634 if (ssl_comp_methods
!= NULL
) {
635 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
637 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
641 /* If were only interested in comp then return success */
642 if ((enc
== NULL
) && (md
== NULL
))
646 if ((enc
== NULL
) || (md
== NULL
))
649 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
654 if (i
== SSL_ENC_NULL_IDX
)
655 *enc
= EVP_enc_null();
657 *enc
= ssl_cipher_methods
[i
];
660 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
663 if (mac_pkey_type
!= NULL
)
664 *mac_pkey_type
= NID_undef
;
665 if (mac_secret_size
!= NULL
)
666 *mac_secret_size
= 0;
667 if (c
->algorithm_mac
== SSL_AEAD
)
668 mac_pkey_type
= NULL
;
670 *md
= ssl_digest_methods
[i
];
671 if (mac_pkey_type
!= NULL
)
672 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
673 if (mac_secret_size
!= NULL
)
674 *mac_secret_size
= ssl_mac_secret_size
[i
];
677 if ((*enc
!= NULL
) &&
678 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
679 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
680 const EVP_CIPHER
*evp
;
685 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
686 s
->ssl_version
< TLS1_VERSION
)
692 if (c
->algorithm_enc
== SSL_RC4
&&
693 c
->algorithm_mac
== SSL_MD5
&&
694 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
695 *enc
= evp
, *md
= NULL
;
696 else if (c
->algorithm_enc
== SSL_AES128
&&
697 c
->algorithm_mac
== SSL_SHA1
&&
698 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
699 *enc
= evp
, *md
= NULL
;
700 else if (c
->algorithm_enc
== SSL_AES256
&&
701 c
->algorithm_mac
== SSL_SHA1
&&
702 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
703 *enc
= evp
, *md
= NULL
;
704 else if (c
->algorithm_enc
== SSL_AES128
&&
705 c
->algorithm_mac
== SSL_SHA256
&&
706 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
707 *enc
= evp
, *md
= NULL
;
708 else if (c
->algorithm_enc
== SSL_AES256
&&
709 c
->algorithm_mac
== SSL_SHA256
&&
710 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
711 *enc
= evp
, *md
= NULL
;
717 const EVP_MD
*ssl_md(int idx
)
719 idx
&= SSL_HANDSHAKE_MAC_MASK
;
720 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
)
722 return ssl_digest_methods
[idx
];
725 const EVP_MD
*ssl_handshake_md(SSL
*s
)
727 return ssl_md(ssl_get_algorithm2(s
));
730 const EVP_MD
*ssl_prf_md(SSL
*s
)
732 return ssl_md(ssl_get_algorithm2(s
) >> TLS1_PRF_DGST_SHIFT
);
735 #define ITEM_SEP(a) \
736 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
738 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
745 if (curr
->prev
!= NULL
)
746 curr
->prev
->next
= curr
->next
;
747 if (curr
->next
!= NULL
)
748 curr
->next
->prev
= curr
->prev
;
749 (*tail
)->next
= curr
;
755 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
762 if (curr
->next
!= NULL
)
763 curr
->next
->prev
= curr
->prev
;
764 if (curr
->prev
!= NULL
)
765 curr
->prev
->next
= curr
->next
;
766 (*head
)->prev
= curr
;
772 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
774 uint32_t disabled_mkey
,
775 uint32_t disabled_auth
,
776 uint32_t disabled_enc
,
777 uint32_t disabled_mac
,
778 uint32_t disabled_ssl
,
779 CIPHER_ORDER
*co_list
,
780 CIPHER_ORDER
**head_p
,
781 CIPHER_ORDER
**tail_p
)
787 * We have num_of_ciphers descriptions compiled in, depending on the
788 * method selected (SSLv3, TLSv1 etc).
789 * These will later be sorted in a linked list with at most num
793 /* Get the initial list of ciphers */
794 co_list_num
= 0; /* actual count of ciphers */
795 for (i
= 0; i
< num_of_ciphers
; i
++) {
796 c
= ssl_method
->get_cipher(i
);
797 /* drop those that use any of that is not available */
798 if ((c
!= NULL
) && c
->valid
&&
799 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
800 !(c
->algorithm_mkey
& disabled_mkey
) &&
801 !(c
->algorithm_auth
& disabled_auth
) &&
802 !(c
->algorithm_enc
& disabled_enc
) &&
803 !(c
->algorithm_mac
& disabled_mac
) &&
804 !(c
->algorithm_ssl
& disabled_ssl
)) {
805 co_list
[co_list_num
].cipher
= c
;
806 co_list
[co_list_num
].next
= NULL
;
807 co_list
[co_list_num
].prev
= NULL
;
808 co_list
[co_list_num
].active
= 0;
811 * if (!sk_push(ca_list,(char *)c)) goto err;
817 * Prepare linked list from list entries
819 if (co_list_num
> 0) {
820 co_list
[0].prev
= NULL
;
822 if (co_list_num
> 1) {
823 co_list
[0].next
= &co_list
[1];
825 for (i
= 1; i
< co_list_num
- 1; i
++) {
826 co_list
[i
].prev
= &co_list
[i
- 1];
827 co_list
[i
].next
= &co_list
[i
+ 1];
830 co_list
[co_list_num
- 1].prev
= &co_list
[co_list_num
- 2];
833 co_list
[co_list_num
- 1].next
= NULL
;
835 *head_p
= &co_list
[0];
836 *tail_p
= &co_list
[co_list_num
- 1];
840 static void ssl_cipher_collect_aliases(const SSL_CIPHER
**ca_list
,
841 int num_of_group_aliases
,
842 uint32_t disabled_mkey
,
843 uint32_t disabled_auth
,
844 uint32_t disabled_enc
,
845 uint32_t disabled_mac
,
846 uint32_t disabled_ssl
,
849 CIPHER_ORDER
*ciph_curr
;
850 const SSL_CIPHER
**ca_curr
;
852 uint32_t mask_mkey
= ~disabled_mkey
;
853 uint32_t mask_auth
= ~disabled_auth
;
854 uint32_t mask_enc
= ~disabled_enc
;
855 uint32_t mask_mac
= ~disabled_mac
;
856 uint32_t mask_ssl
= ~disabled_ssl
;
859 * First, add the real ciphers as already collected
863 while (ciph_curr
!= NULL
) {
864 *ca_curr
= ciph_curr
->cipher
;
866 ciph_curr
= ciph_curr
->next
;
870 * Now we add the available ones from the cipher_aliases[] table.
871 * They represent either one or more algorithms, some of which
872 * in any affected category must be supported (set in enabled_mask),
873 * or represent a cipher strength value (will be added in any case because algorithms=0).
875 for (i
= 0; i
< num_of_group_aliases
; i
++) {
876 uint32_t algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
877 uint32_t algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
878 uint32_t algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
879 uint32_t algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
880 uint32_t algorithm_ssl
= cipher_aliases
[i
].algorithm_ssl
;
883 if ((algorithm_mkey
& mask_mkey
) == 0)
887 if ((algorithm_auth
& mask_auth
) == 0)
891 if ((algorithm_enc
& mask_enc
) == 0)
895 if ((algorithm_mac
& mask_mac
) == 0)
899 if ((algorithm_ssl
& mask_ssl
) == 0)
902 *ca_curr
= (SSL_CIPHER
*)(cipher_aliases
+ i
);
906 *ca_curr
= NULL
; /* end of list */
909 static void ssl_cipher_apply_rule(uint32_t cipher_id
, uint32_t alg_mkey
,
910 uint32_t alg_auth
, uint32_t alg_enc
,
911 uint32_t alg_mac
, uint32_t alg_ssl
,
912 uint32_t algo_strength
, int rule
,
913 int32_t strength_bits
, CIPHER_ORDER
**head_p
,
914 CIPHER_ORDER
**tail_p
)
916 CIPHER_ORDER
*head
, *tail
, *curr
, *next
, *last
;
917 const SSL_CIPHER
*cp
;
922 "Applying rule %d with %08x/%08x/%08x/%08x/%08x %08x (%d)\n",
923 rule
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
924 algo_strength
, strength_bits
);
927 if (rule
== CIPHER_DEL
|| rule
== CIPHER_BUMP
)
928 reverse
= 1; /* needed to maintain sorting between
929 * currently deleted ciphers */
952 next
= reverse
? curr
->prev
: curr
->next
;
957 * Selection criteria is either the value of strength_bits
958 * or the algorithms used.
960 if (strength_bits
>= 0) {
961 if (strength_bits
!= cp
->strength_bits
)
966 "\nName: %s:\nAlgo = %08x/%08x/%08x/%08x/%08x Algo_strength = %08x\n",
967 cp
->name
, cp
->algorithm_mkey
, cp
->algorithm_auth
,
968 cp
->algorithm_enc
, cp
->algorithm_mac
, cp
->algorithm_ssl
,
971 if (alg_mkey
&& !(alg_mkey
& cp
->algorithm_mkey
))
973 if (alg_auth
&& !(alg_auth
& cp
->algorithm_auth
))
975 if (alg_enc
&& !(alg_enc
& cp
->algorithm_enc
))
977 if (alg_mac
&& !(alg_mac
& cp
->algorithm_mac
))
979 if (alg_ssl
&& !(alg_ssl
& cp
->algorithm_ssl
))
981 if (algo_strength
&& !(algo_strength
& cp
->algo_strength
))
983 if ((algo_strength
& SSL_DEFAULT_MASK
)
984 && !(algo_strength
& SSL_DEFAULT_MASK
& cp
->algo_strength
))
989 fprintf(stderr
, "Action = %d\n", rule
);
992 /* add the cipher if it has not been added yet. */
993 if (rule
== CIPHER_ADD
) {
996 ll_append_tail(&head
, curr
, &tail
);
1000 /* Move the added cipher to this location */
1001 else if (rule
== CIPHER_ORD
) {
1004 ll_append_tail(&head
, curr
, &tail
);
1006 } else if (rule
== CIPHER_DEL
) {
1010 * most recently deleted ciphersuites get best positions for
1011 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
1012 * in reverse to maintain the order)
1014 ll_append_head(&head
, curr
, &tail
);
1017 } else if (rule
== CIPHER_BUMP
) {
1019 ll_append_head(&head
, curr
, &tail
);
1020 } else if (rule
== CIPHER_KILL
) {
1025 curr
->prev
->next
= curr
->next
;
1029 if (curr
->next
!= NULL
)
1030 curr
->next
->prev
= curr
->prev
;
1031 if (curr
->prev
!= NULL
)
1032 curr
->prev
->next
= curr
->next
;
1042 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1043 CIPHER_ORDER
**tail_p
)
1045 int32_t max_strength_bits
;
1046 int i
, *number_uses
;
1050 * This routine sorts the ciphers with descending strength. The sorting
1051 * must keep the pre-sorted sequence, so we apply the normal sorting
1052 * routine as '+' movement to the end of the list.
1054 max_strength_bits
= 0;
1056 while (curr
!= NULL
) {
1057 if (curr
->active
&& (curr
->cipher
->strength_bits
> max_strength_bits
))
1058 max_strength_bits
= curr
->cipher
->strength_bits
;
1062 number_uses
= OPENSSL_zalloc(sizeof(int) * (max_strength_bits
+ 1));
1063 if (number_uses
== NULL
) {
1064 SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT
, ERR_R_MALLOC_FAILURE
);
1069 * Now find the strength_bits values actually used
1072 while (curr
!= NULL
) {
1074 number_uses
[curr
->cipher
->strength_bits
]++;
1078 * Go through the list of used strength_bits values in descending
1081 for (i
= max_strength_bits
; i
>= 0; i
--)
1082 if (number_uses
[i
] > 0)
1083 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD
, i
, head_p
,
1086 OPENSSL_free(number_uses
);
1090 static int ssl_cipher_process_rulestr(const char *rule_str
,
1091 CIPHER_ORDER
**head_p
,
1092 CIPHER_ORDER
**tail_p
,
1093 const SSL_CIPHER
**ca_list
, CERT
*c
)
1095 uint32_t alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
, algo_strength
;
1096 const char *l
, *buf
;
1097 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1098 uint32_t cipher_id
= 0;
1111 } else if (ch
== '+') {
1114 } else if (ch
== '!') {
1117 } else if (ch
== '@') {
1118 rule
= CIPHER_SPECIAL
;
1140 #ifndef CHARSET_EBCDIC
1141 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1142 ((ch
>= '0') && (ch
<= '9')) ||
1143 ((ch
>= 'a') && (ch
<= 'z')) ||
1144 (ch
== '-') || (ch
== '.') || (ch
== '='))
1146 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1155 * We hit something we cannot deal with,
1156 * it is no command or separator nor
1157 * alphanumeric, so we call this an error.
1159 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1160 SSL_R_INVALID_COMMAND
);
1166 if (rule
== CIPHER_SPECIAL
) {
1167 found
= 0; /* unused -- avoid compiler warning */
1168 break; /* special treatment */
1171 /* check for multi-part specification */
1179 * Now search for the cipher alias in the ca_list. Be careful
1180 * with the strncmp, because the "buflen" limitation
1181 * will make the rule "ADH:SOME" and the cipher
1182 * "ADH-MY-CIPHER" look like a match for buflen=3.
1183 * So additionally check whether the cipher name found
1184 * has the correct length. We can save a strlen() call:
1185 * just checking for the '\0' at the right place is
1186 * sufficient, we have to strncmp() anyway. (We cannot
1187 * use strcmp(), because buf is not '\0' terminated.)
1191 while (ca_list
[j
]) {
1192 if (strncmp(buf
, ca_list
[j
]->name
, buflen
) == 0
1193 && (ca_list
[j
]->name
[buflen
] == '\0')) {
1201 break; /* ignore this entry */
1203 if (ca_list
[j
]->algorithm_mkey
) {
1205 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1211 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1214 if (ca_list
[j
]->algorithm_auth
) {
1216 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1222 alg_auth
= ca_list
[j
]->algorithm_auth
;
1225 if (ca_list
[j
]->algorithm_enc
) {
1227 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1233 alg_enc
= ca_list
[j
]->algorithm_enc
;
1236 if (ca_list
[j
]->algorithm_mac
) {
1238 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1244 alg_mac
= ca_list
[j
]->algorithm_mac
;
1247 if (ca_list
[j
]->algo_strength
) {
1248 if (algo_strength
) {
1249 algo_strength
&= ca_list
[j
]->algo_strength
;
1250 if (!algo_strength
) {
1255 algo_strength
= ca_list
[j
]->algo_strength
;
1258 if (ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
) {
1259 if (algo_strength
& SSL_DEFAULT_MASK
) {
1261 (ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
) |
1263 if (!(algo_strength
& SSL_DEFAULT_MASK
)) {
1269 ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
;
1272 if (ca_list
[j
]->valid
) {
1274 * explicit ciphersuite found; its protocol version does not
1275 * become part of the search pattern!
1278 cipher_id
= ca_list
[j
]->id
;
1281 * not an explicit ciphersuite; only in this case, the
1282 * protocol version is considered part of the search pattern
1285 if (ca_list
[j
]->algorithm_ssl
) {
1287 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1293 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1302 * Ok, we have the rule, now apply it
1304 if (rule
== CIPHER_SPECIAL
) { /* special command */
1306 if ((buflen
== 8) && strncmp(buf
, "STRENGTH", 8) == 0)
1307 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1308 else if (buflen
== 10 && strncmp(buf
, "SECLEVEL=", 9) == 0) {
1309 int level
= buf
[9] - '0';
1310 if (level
< 0 || level
> 5) {
1311 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1312 SSL_R_INVALID_COMMAND
);
1314 c
->sec_level
= level
;
1318 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1319 SSL_R_INVALID_COMMAND
);
1323 * We do not support any "multi" options
1324 * together with "@", so throw away the
1325 * rest of the command, if any left, until
1326 * end or ':' is found.
1328 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1331 ssl_cipher_apply_rule(cipher_id
,
1332 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1333 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1336 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1346 #ifndef OPENSSL_NO_EC
1347 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1348 const char **prule_str
)
1350 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1351 if (strncmp(*prule_str
, "SUITEB128ONLY", 13) == 0) {
1352 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1353 } else if (strncmp(*prule_str
, "SUITEB128C2", 11) == 0) {
1355 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1356 } else if (strncmp(*prule_str
, "SUITEB128", 9) == 0) {
1357 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1358 } else if (strncmp(*prule_str
, "SUITEB192", 9) == 0) {
1359 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1363 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1364 c
->cert_flags
|= suiteb_flags
;
1366 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1370 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1372 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1373 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1374 SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE
);
1377 # ifndef OPENSSL_NO_EC
1378 switch (suiteb_flags
) {
1379 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1381 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1384 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1386 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1387 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1389 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1390 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1395 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1396 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1402 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1403 **cipher_list
, STACK_OF(SSL_CIPHER
)
1404 **cipher_list_by_id
,
1405 const char *rule_str
, CERT
*c
)
1407 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1408 uint32_t disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1410 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1412 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1413 const SSL_CIPHER
**ca_list
= NULL
;
1416 * Return with error if nothing to do.
1418 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1420 #ifndef OPENSSL_NO_EC
1421 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1426 * To reduce the work to do we only want to process the compiled
1427 * in algorithms, so we first get the mask of disabled ciphers.
1430 disabled_mkey
= disabled_mkey_mask
;
1431 disabled_auth
= disabled_auth_mask
;
1432 disabled_enc
= disabled_enc_mask
;
1433 disabled_mac
= disabled_mac_mask
;
1437 * Now we have to collect the available ciphers from the compiled
1438 * in ciphers. We cannot get more than the number compiled in, so
1439 * it is used for allocation.
1441 num_of_ciphers
= ssl_method
->num_ciphers();
1443 co_list
= OPENSSL_malloc(sizeof(*co_list
) * num_of_ciphers
);
1444 if (co_list
== NULL
) {
1445 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1446 return (NULL
); /* Failure */
1449 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1450 disabled_mkey
, disabled_auth
, disabled_enc
,
1451 disabled_mac
, disabled_ssl
, co_list
, &head
,
1454 /* Now arrange all ciphers by preference. */
1457 * Everything else being equal, prefer ephemeral ECDH over other key
1458 * exchange mechanisms.
1459 * For consistency, prefer ECDSA over RSA (though this only matters if the
1460 * server has both certificates, and is using the DEFAULT, or a client
1463 ssl_cipher_apply_rule(0, SSL_kECDHE
, SSL_aECDSA
, 0, 0, 0, 0, CIPHER_ADD
,
1465 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1467 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1471 /* Within each strength group, we prefer GCM over CHACHA... */
1472 ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM
, 0, 0, 0, CIPHER_ADD
, -1,
1474 ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20
, 0, 0, 0, CIPHER_ADD
, -1,
1478 * ...and generally, our preferred cipher is AES.
1479 * Note that AEADs will be bumped to take preference after sorting by
1482 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
^ SSL_AESGCM
, 0, 0, 0, CIPHER_ADD
,
1485 /* Temporarily enable everything else for sorting */
1486 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1488 /* Low priority for MD5 */
1489 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1493 * Move anonymous ciphers to the end. Usually, these will remain
1494 * disabled. (For applications that allow them, they aren't too bad, but
1495 * we prefer authenticated ciphers.)
1497 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1501 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1504 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1506 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1509 /* RC4 is sort-of broken -- move the the end */
1510 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1514 * Now sort by symmetric encryption strength. The above ordering remains
1515 * in force within each class
1517 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1518 OPENSSL_free(co_list
);
1523 * Partially overrule strength sort to prefer TLS 1.2 ciphers/PRFs.
1524 * TODO(openssl-team): is there an easier way to accomplish all this?
1526 ssl_cipher_apply_rule(0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, CIPHER_BUMP
, -1,
1530 * Irrespective of strength, enforce the following order:
1531 * (EC)DHE + AEAD > (EC)DHE > rest of AEAD > rest.
1532 * Within each group, ciphers remain sorted by strength and previous
1537 * 4) TLS 1.2 > legacy
1539 * Because we now bump ciphers to the top of the list, we proceed in
1540 * reverse order of preference.
1542 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD
, 0, 0, CIPHER_BUMP
, -1,
1544 ssl_cipher_apply_rule(0, SSL_kDHE
| SSL_kECDHE
, 0, 0, 0, 0, 0,
1545 CIPHER_BUMP
, -1, &head
, &tail
);
1546 ssl_cipher_apply_rule(0, SSL_kDHE
| SSL_kECDHE
, 0, 0, SSL_AEAD
, 0, 0,
1547 CIPHER_BUMP
, -1, &head
, &tail
);
1549 /* Now disable everything (maintaining the ordering!) */
1550 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1553 * We also need cipher aliases for selecting based on the rule_str.
1554 * There might be two types of entries in the rule_str: 1) names
1555 * of ciphers themselves 2) aliases for groups of ciphers.
1556 * For 1) we need the available ciphers and for 2) the cipher
1557 * groups of cipher_aliases added together in one list (otherwise
1558 * we would be happy with just the cipher_aliases table).
1560 num_of_group_aliases
= OSSL_NELEM(cipher_aliases
);
1561 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1562 ca_list
= OPENSSL_malloc(sizeof(*ca_list
) * num_of_alias_max
);
1563 if (ca_list
== NULL
) {
1564 OPENSSL_free(co_list
);
1565 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1566 return (NULL
); /* Failure */
1568 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1569 disabled_mkey
, disabled_auth
, disabled_enc
,
1570 disabled_mac
, disabled_ssl
, head
);
1573 * If the rule_string begins with DEFAULT, apply the default rule
1574 * before using the (possibly available) additional rules.
1578 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1579 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1580 &head
, &tail
, ca_list
, c
);
1586 if (ok
&& (strlen(rule_p
) > 0))
1587 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1589 OPENSSL_free(ca_list
); /* Not needed anymore */
1591 if (!ok
) { /* Rule processing failure */
1592 OPENSSL_free(co_list
);
1597 * Allocate new "cipherstack" for the result, return with error
1598 * if we cannot get one.
1600 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1601 OPENSSL_free(co_list
);
1606 * The cipher selection for the list is done. The ciphers are added
1607 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1609 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1611 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1612 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1613 OPENSSL_free(co_list
);
1614 sk_SSL_CIPHER_free(cipherstack
);
1618 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1622 OPENSSL_free(co_list
); /* Not needed any longer */
1624 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1625 if (tmp_cipher_list
== NULL
) {
1626 sk_SSL_CIPHER_free(cipherstack
);
1629 sk_SSL_CIPHER_free(*cipher_list
);
1630 *cipher_list
= cipherstack
;
1631 if (*cipher_list_by_id
!= NULL
)
1632 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1633 *cipher_list_by_id
= tmp_cipher_list
;
1634 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1635 ssl_cipher_ptr_id_cmp
);
1637 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1638 return (cipherstack
);
1641 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1644 const char *kx
, *au
, *enc
, *mac
;
1645 uint32_t alg_mkey
, alg_auth
, alg_enc
, alg_mac
;
1646 static const char *format
=
1647 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s\n";
1651 buf
= OPENSSL_malloc(len
);
1654 } else if (len
< 128)
1657 alg_mkey
= cipher
->algorithm_mkey
;
1658 alg_auth
= cipher
->algorithm_auth
;
1659 alg_enc
= cipher
->algorithm_enc
;
1660 alg_mac
= cipher
->algorithm_mac
;
1662 ver
= SSL_CIPHER_get_version(cipher
);
1718 /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */
1719 case (SSL_aGOST12
| SSL_aGOST01
):
1753 enc
= "AESGCM(128)";
1756 enc
= "AESGCM(256)";
1759 enc
= "AESCCM(128)";
1762 enc
= "AESCCM(256)";
1764 case SSL_AES128CCM8
:
1765 enc
= "AESCCM8(128)";
1767 case SSL_AES256CCM8
:
1768 enc
= "AESCCM8(256)";
1770 case SSL_CAMELLIA128
:
1771 enc
= "Camellia(128)";
1773 case SSL_CAMELLIA256
:
1774 enc
= "Camellia(256)";
1779 case SSL_eGOST2814789CNT
:
1780 case SSL_eGOST2814789CNT12
:
1781 enc
= "GOST89(256)";
1783 case SSL_CHACHA20POLY1305
:
1784 enc
= "CHACHA20/POLY1305(256)";
1808 case SSL_GOST89MAC12
:
1814 case SSL_GOST12_256
:
1815 case SSL_GOST12_512
:
1823 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
);
1828 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1834 alg_ssl
= c
->algorithm_ssl
;
1836 if (alg_ssl
& SSL_SSLV3
)
1838 if (alg_ssl
& SSL_TLSV1
)
1840 if (alg_ssl
& SSL_TLSV1_2
)
1845 /* return the actual cipher being used */
1846 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1853 /* number of bits for symmetric cipher */
1854 int SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, int *alg_bits
)
1859 if (alg_bits
!= NULL
)
1860 *alg_bits
= (int) c
->alg_bits
;
1861 ret
= (int) c
->strength_bits
;
1866 uint32_t SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1871 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1876 if ((n
== 0) || (sk
== NULL
))
1878 nn
= sk_SSL_COMP_num(sk
);
1879 for (i
= 0; i
< nn
; i
++) {
1880 ctmp
= sk_SSL_COMP_value(sk
, i
);
1887 #ifdef OPENSSL_NO_COMP
1888 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1892 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1897 void SSL_COMP_free_compression_methods(void)
1900 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1906 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1908 load_builtin_compressions();
1909 return (ssl_comp_methods
);
1912 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1915 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1916 ssl_comp_methods
= meths
;
1920 static void cmeth_free(SSL_COMP
*cm
)
1925 void SSL_COMP_free_compression_methods(void)
1927 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1928 ssl_comp_methods
= NULL
;
1929 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1932 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1936 if (cm
== NULL
|| COMP_get_type(cm
) == NID_undef
)
1940 * According to draft-ietf-tls-compression-04.txt, the
1941 * compression number ranges should be the following:
1943 * 0 to 63: methods defined by the IETF
1944 * 64 to 192: external party methods assigned by IANA
1945 * 193 to 255: reserved for private use
1947 if (id
< 193 || id
> 255) {
1948 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1949 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1953 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE
);
1954 comp
= OPENSSL_malloc(sizeof(*comp
));
1956 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE
);
1957 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1963 load_builtin_compressions();
1964 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
1966 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE
);
1967 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1968 SSL_R_DUPLICATE_COMPRESSION_ID
);
1971 if ((ssl_comp_methods
== NULL
)
1972 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
1974 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE
);
1975 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1978 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE
);
1983 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
1985 #ifndef OPENSSL_NO_COMP
1986 return comp
? COMP_get_name(comp
) : NULL
;
1992 /* For a cipher return the index corresponding to the certificate type */
1993 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
1997 alg_a
= c
->algorithm_auth
;
1999 if (alg_a
& SSL_aECDSA
)
2000 return SSL_PKEY_ECC
;
2001 else if (alg_a
& SSL_aDSS
)
2002 return SSL_PKEY_DSA_SIGN
;
2003 else if (alg_a
& SSL_aRSA
)
2004 return SSL_PKEY_RSA_ENC
;
2005 else if (alg_a
& SSL_aGOST12
)
2006 return SSL_PKEY_GOST_EC
;
2007 else if (alg_a
& SSL_aGOST01
)
2008 return SSL_PKEY_GOST01
;
2013 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
2015 const SSL_CIPHER
*c
;
2016 c
= ssl
->method
->get_cipher_by_char(ptr
);
2017 if (c
== NULL
|| c
->valid
== 0)
2022 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
2024 return ssl
->method
->get_cipher_by_char(ptr
);
2027 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER
*c
)
2032 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
2035 return ssl_cipher_table_cipher
[i
].nid
;
2038 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER
*c
)
2043 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
2046 return ssl_cipher_table_mac
[i
].nid
;
2049 int SSL_CIPHER_get_kx_nid(const SSL_CIPHER
*c
)
2051 int i
= ssl_cipher_info_lookup(ssl_cipher_table_kx
, c
->algorithm_mkey
);
2054 return ssl_cipher_table_kx
[i
].nid
;
2057 int SSL_CIPHER_get_auth_nid(const SSL_CIPHER
*c
)
2059 int i
= ssl_cipher_info_lookup(ssl_cipher_table_kx
, c
->algorithm_auth
);
2062 return ssl_cipher_table_kx
[i
].nid
;
2065 int SSL_CIPHER_is_aead(const SSL_CIPHER
*c
)
2067 return (c
->algorithm_mac
& SSL_AEAD
) ? 1 : 0;