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_NUM_IDX 18
173 /* NB: make sure indices in these tables match values above */
180 /* Table of NIDs for each cipher */
181 static const ssl_cipher_table ssl_cipher_table_cipher
[SSL_ENC_NUM_IDX
] = {
182 {SSL_DES
, NID_des_cbc
}, /* SSL_ENC_DES_IDX 0 */
183 {SSL_3DES
, NID_des_ede3_cbc
}, /* SSL_ENC_3DES_IDX 1 */
184 {SSL_RC4
, NID_rc4
}, /* SSL_ENC_RC4_IDX 2 */
185 {SSL_RC2
, NID_rc2_cbc
}, /* SSL_ENC_RC2_IDX 3 */
186 {SSL_IDEA
, NID_idea_cbc
}, /* SSL_ENC_IDEA_IDX 4 */
187 {SSL_eNULL
, NID_undef
}, /* SSL_ENC_NULL_IDX 5 */
188 {SSL_AES128
, NID_aes_128_cbc
}, /* SSL_ENC_AES128_IDX 6 */
189 {SSL_AES256
, NID_aes_256_cbc
}, /* SSL_ENC_AES256_IDX 7 */
190 {SSL_CAMELLIA128
, NID_camellia_128_cbc
}, /* SSL_ENC_CAMELLIA128_IDX 8 */
191 {SSL_CAMELLIA256
, NID_camellia_256_cbc
}, /* SSL_ENC_CAMELLIA256_IDX 9 */
192 {SSL_eGOST2814789CNT
, NID_gost89_cnt
}, /* SSL_ENC_GOST89_IDX 10 */
193 {SSL_SEED
, NID_seed_cbc
}, /* SSL_ENC_SEED_IDX 11 */
194 {SSL_AES128GCM
, NID_aes_128_gcm
}, /* SSL_ENC_AES128GCM_IDX 12 */
195 {SSL_AES256GCM
, NID_aes_256_gcm
}, /* SSL_ENC_AES256GCM_IDX 13 */
196 {SSL_AES128CCM
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM_IDX 14 */
197 {SSL_AES256CCM
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM_IDX 15 */
198 {SSL_AES128CCM8
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM8_IDX 16 */
199 {SSL_AES256CCM8
, NID_aes_256_ccm
} /* SSL_ENC_AES256CCM8_IDX 17 */
202 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
203 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
207 #define SSL_COMP_NULL_IDX 0
208 #define SSL_COMP_ZLIB_IDX 1
209 #define SSL_COMP_NUM_IDX 2
211 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
213 #define SSL_MD_MD5_IDX 0
214 #define SSL_MD_SHA1_IDX 1
215 #define SSL_MD_GOST94_IDX 2
216 #define SSL_MD_GOST89MAC_IDX 3
217 #define SSL_MD_SHA256_IDX 4
218 #define SSL_MD_SHA384_IDX 5
220 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
224 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
226 /* NB: make sure indices in this table matches values above */
227 static const ssl_cipher_table ssl_cipher_table_mac
[SSL_MD_NUM_IDX
] = {
228 {SSL_MD5
, NID_md5
}, /* SSL_MD_MD5_IDX 0 */
229 {SSL_SHA1
, NID_sha1
}, /* SSL_MD_SHA1_IDX 1 */
230 {SSL_GOST94
, NID_id_GostR3411_94
}, /* SSL_MD_GOST94_IDX 2 */
231 {SSL_GOST89MAC
, NID_id_Gost28147_89_MAC
}, /* SSL_MD_GOST89MAC_IDX 3 */
232 {SSL_SHA256
, NID_sha256
}, /* SSL_MD_SHA256_IDX 4 */
233 {SSL_SHA384
, NID_sha384
} /* SSL_MD_SHA384_IDX 5 */
236 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
237 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
240 /* Utility function for table lookup */
241 static int ssl_cipher_info_find(const ssl_cipher_table
* table
,
242 size_t table_cnt
, unsigned long mask
)
245 for (i
= 0; i
< table_cnt
; i
++, table
++) {
246 if (table
->mask
== mask
)
252 #define ssl_cipher_info_lookup(table, x) \
253 ssl_cipher_info_find(table, OSSL_NELEM(table), x)
256 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
257 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
260 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
261 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
262 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
265 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
269 static const int ssl_handshake_digest_flag
[SSL_MD_NUM_IDX
] = {
270 SSL_HANDSHAKE_MAC_MD5
, SSL_HANDSHAKE_MAC_SHA
,
271 SSL_HANDSHAKE_MAC_GOST94
, 0, SSL_HANDSHAKE_MAC_SHA256
,
272 SSL_HANDSHAKE_MAC_SHA384
276 #define CIPHER_KILL 2
279 #define CIPHER_SPECIAL 5
281 typedef struct cipher_order_st
{
282 const SSL_CIPHER
*cipher
;
285 struct cipher_order_st
*next
, *prev
;
288 static const SSL_CIPHER cipher_aliases
[] = {
289 /* "ALL" doesn't include eNULL (must be specifically enabled) */
290 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
291 /* "COMPLEMENTOFALL" */
292 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
295 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
298 {0, SSL_TXT_CMPDEF
, 0, SSL_kDHE
| SSL_kECDHE
, SSL_aNULL
, ~SSL_eNULL
, 0, 0,
302 * key exchange aliases (some of those using only a single bit here
303 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
304 * combines DHE_DSS and DHE_RSA)
306 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
308 {0, SSL_TXT_kDHr
, 0, SSL_kDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
309 {0, SSL_TXT_kDHd
, 0, SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
310 {0, SSL_TXT_kDH
, 0, SSL_kDHr
| SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
311 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
312 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
313 {0, SSL_TXT_DH
, 0, SSL_kDHr
| SSL_kDHd
| SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
316 {0, SSL_TXT_kECDHr
, 0, SSL_kECDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
317 {0, SSL_TXT_kECDHe
, 0, SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
318 {0, SSL_TXT_kECDH
, 0, SSL_kECDHr
| SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
319 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
320 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
321 {0, SSL_TXT_ECDH
, 0, SSL_kECDHr
| SSL_kECDHe
| SSL_kECDHE
, 0, 0, 0, 0, 0,
324 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
325 {0, SSL_TXT_kRSAPSK
, 0, SSL_kRSAPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
326 {0, SSL_TXT_kECDHEPSK
, 0, SSL_kECDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
327 {0, SSL_TXT_kDHEPSK
, 0, SSL_kDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
328 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
329 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
331 /* server authentication aliases */
332 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
333 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
334 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
335 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
336 /* no such ciphersuites supported! */
337 {0, SSL_TXT_aDH
, 0, 0, SSL_aDH
, 0, 0, 0, 0, 0, 0, 0},
338 {0, SSL_TXT_aECDH
, 0, 0, SSL_aECDH
, 0, 0, 0, 0, 0, 0, 0},
339 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
340 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
341 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
342 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
343 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
344 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
346 /* aliases combining key exchange and server authentication */
347 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
348 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
349 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
350 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
351 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
352 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
353 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
354 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
355 {0, SSL_TXT_PSK
, 0, SSL_PSK
, 0, 0, 0, 0, 0, 0, 0, 0},
356 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
358 /* symmetric encryption aliases */
359 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
360 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
361 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
362 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
363 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
364 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
365 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 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
, 0, 0, 0, 0, 0},
388 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
389 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
391 /* protocol version aliases */
392 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
393 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
394 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
397 {0, SSL_TXT_EXP
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
398 {0, SSL_TXT_EXPORT
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
400 /* strength classes */
401 {0, SSL_TXT_EXP40
, 0, 0, 0, 0, 0, 0, SSL_EXP40
, 0, 0, 0},
402 {0, SSL_TXT_EXP56
, 0, 0, 0, 0, 0, 0, SSL_EXP56
, 0, 0, 0},
403 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
404 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
405 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
406 /* FIPS 140-2 approved ciphersuite */
407 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
409 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
410 {0, SSL3_TXT_EDH_DSS_DES_40_CBC_SHA
, 0,
411 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
413 {0, SSL3_TXT_EDH_DSS_DES_64_CBC_SHA
, 0,
414 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
416 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
417 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
418 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
419 {0, SSL3_TXT_EDH_RSA_DES_40_CBC_SHA
, 0,
420 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
422 {0, SSL3_TXT_EDH_RSA_DES_64_CBC_SHA
, 0,
423 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
425 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
426 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
427 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
432 * Search for public key algorithm with given name and return its pkey_id if
433 * it is available. Otherwise return 0
435 #ifdef OPENSSL_NO_ENGINE
437 static int get_optional_pkey_id(const char *pkey_name
)
439 const EVP_PKEY_ASN1_METHOD
*ameth
;
441 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
443 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
450 static int get_optional_pkey_id(const char *pkey_name
)
452 const EVP_PKEY_ASN1_METHOD
*ameth
;
453 ENGINE
*tmpeng
= NULL
;
455 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, pkey_name
, -1);
457 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
460 ENGINE_finish(tmpeng
);
466 /* masks of disabled algorithms */
467 static unsigned long disabled_enc_mask
;
468 static unsigned long disabled_mac_mask
;
469 static unsigned long disabled_mkey_mask
;
470 static unsigned long disabled_auth_mask
;
472 void ssl_load_ciphers(void)
475 const ssl_cipher_table
*t
;
476 disabled_enc_mask
= 0;
477 for (i
= 0, t
= ssl_cipher_table_cipher
; i
< SSL_ENC_NUM_IDX
; i
++, t
++) {
478 if (t
->nid
== NID_undef
) {
479 ssl_cipher_methods
[i
] = NULL
;
481 const EVP_CIPHER
*cipher
= EVP_get_cipherbynid(t
->nid
);
482 ssl_cipher_methods
[i
] = cipher
;
484 disabled_enc_mask
|= t
->mask
;
487 #ifdef SSL_FORBID_ENULL
488 disabled_enc_mask
|= SSL_eNULL
;
490 disabled_mac_mask
= 0;
491 for (i
= 0, t
= ssl_cipher_table_mac
; i
< SSL_MD_NUM_IDX
; i
++, t
++) {
492 const EVP_MD
*md
= EVP_get_digestbynid(t
->nid
);
493 ssl_digest_methods
[i
] = md
;
495 disabled_mac_mask
|= t
->mask
;
497 ssl_mac_secret_size
[i
] = EVP_MD_size(md
);
498 OPENSSL_assert(ssl_mac_secret_size
[i
] >= 0);
501 /* Make sure we can access MD5 and SHA1 */
502 OPENSSL_assert(ssl_digest_methods
[SSL_MD_MD5_IDX
] != NULL
);
503 OPENSSL_assert(ssl_digest_methods
[SSL_MD_SHA1_IDX
] != NULL
);
505 disabled_mkey_mask
= 0;
506 disabled_auth_mask
= 0;
508 #ifdef OPENSSL_NO_RSA
509 disabled_mkey_mask
|= SSL_kRSA
| SSL_kRSAPSK
;
510 disabled_auth_mask
|= SSL_aRSA
;
512 #ifdef OPENSSL_NO_DSA
513 disabled_auth_mask
|= SSL_aDSS
;
516 disabled_mkey_mask
|= SSL_kDHr
| SSL_kDHd
| SSL_kDHE
| SSL_kDHEPSK
;
517 disabled_auth_mask
|= SSL_aDH
;
520 disabled_mkey_mask
|= SSL_kECDHe
| SSL_kECDHr
| SSL_kECDHEPSK
;
521 disabled_auth_mask
|= SSL_aECDSA
| SSL_aECDH
;
523 #ifdef OPENSSL_NO_PSK
524 disabled_mkey_mask
|= SSL_PSK
;
525 disabled_auth_mask
|= SSL_aPSK
;
527 #ifdef OPENSSL_NO_SRP
528 disabled_mkey_mask
|= SSL_kSRP
;
532 * Check for presence of GOST 34.10 algorithms, and if they are not
533 * present, disable appropriate auth and key exchange
535 ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] = get_optional_pkey_id("gost-mac");
536 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
]) {
537 ssl_mac_secret_size
[SSL_MD_GOST89MAC_IDX
] = 32;
539 disabled_mac_mask
|= SSL_GOST89MAC
;
542 if (!get_optional_pkey_id("gost2001"))
543 disabled_auth_mask
|= SSL_aGOST01
;
545 * Disable GOST key exchange if no GOST signature algs are available *
547 if ((disabled_auth_mask
& SSL_aGOST01
) == SSL_aGOST01
)
548 disabled_mkey_mask
|= SSL_kGOST
;
551 #ifndef OPENSSL_NO_COMP
553 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
555 return ((*a
)->id
- (*b
)->id
);
558 static void load_builtin_compressions(void)
560 int got_write_lock
= 0;
562 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
563 if (ssl_comp_methods
== NULL
) {
564 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
565 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
568 if (ssl_comp_methods
== NULL
) {
569 SSL_COMP
*comp
= NULL
;
570 COMP_METHOD
*method
= COMP_zlib();
573 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
574 if (COMP_get_type(method
) != NID_undef
575 && ssl_comp_methods
!= NULL
) {
576 comp
= OPENSSL_malloc(sizeof(*comp
));
578 comp
->method
= method
;
579 comp
->id
= SSL_COMP_ZLIB_IDX
;
580 comp
->name
= COMP_get_name(method
);
581 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
582 sk_SSL_COMP_sort(ssl_comp_methods
);
590 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
592 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
596 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
597 const EVP_MD
**md
, int *mac_pkey_type
,
598 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
608 #ifndef OPENSSL_NO_COMP
609 load_builtin_compressions();
613 ctmp
.id
= s
->compress_meth
;
614 if (ssl_comp_methods
!= NULL
) {
615 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
617 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
621 /* If were only interested in comp then return success */
622 if ((enc
== NULL
) && (md
== NULL
))
626 if ((enc
== NULL
) || (md
== NULL
))
629 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
634 if (i
== SSL_ENC_NULL_IDX
)
635 *enc
= EVP_enc_null();
637 *enc
= ssl_cipher_methods
[i
];
640 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
643 if (mac_pkey_type
!= NULL
)
644 *mac_pkey_type
= NID_undef
;
645 if (mac_secret_size
!= NULL
)
646 *mac_secret_size
= 0;
647 if (c
->algorithm_mac
== SSL_AEAD
)
648 mac_pkey_type
= NULL
;
650 *md
= ssl_digest_methods
[i
];
651 if (mac_pkey_type
!= NULL
)
652 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
653 if (mac_secret_size
!= NULL
)
654 *mac_secret_size
= ssl_mac_secret_size
[i
];
657 if ((*enc
!= NULL
) &&
658 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
659 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
660 const EVP_CIPHER
*evp
;
665 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
666 s
->ssl_version
< TLS1_VERSION
)
672 if (c
->algorithm_enc
== SSL_RC4
&&
673 c
->algorithm_mac
== SSL_MD5
&&
674 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
675 *enc
= evp
, *md
= NULL
;
676 else if (c
->algorithm_enc
== SSL_AES128
&&
677 c
->algorithm_mac
== SSL_SHA1
&&
678 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
679 *enc
= evp
, *md
= NULL
;
680 else if (c
->algorithm_enc
== SSL_AES256
&&
681 c
->algorithm_mac
== SSL_SHA1
&&
682 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
683 *enc
= evp
, *md
= NULL
;
684 else if (c
->algorithm_enc
== SSL_AES128
&&
685 c
->algorithm_mac
== SSL_SHA256
&&
686 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
687 *enc
= evp
, *md
= NULL
;
688 else if (c
->algorithm_enc
== SSL_AES256
&&
689 c
->algorithm_mac
== SSL_SHA256
&&
690 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
691 *enc
= evp
, *md
= NULL
;
697 int ssl_get_handshake_digest(int idx
, long *mask
, const EVP_MD
**md
)
699 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
) {
702 *mask
= ssl_handshake_digest_flag
[idx
];
704 *md
= ssl_digest_methods
[idx
];
710 #define ITEM_SEP(a) \
711 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
713 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
720 if (curr
->prev
!= NULL
)
721 curr
->prev
->next
= curr
->next
;
722 if (curr
->next
!= NULL
)
723 curr
->next
->prev
= curr
->prev
;
724 (*tail
)->next
= curr
;
730 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
737 if (curr
->next
!= NULL
)
738 curr
->next
->prev
= curr
->prev
;
739 if (curr
->prev
!= NULL
)
740 curr
->prev
->next
= curr
->next
;
741 (*head
)->prev
= curr
;
747 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
749 unsigned long disabled_mkey
,
750 unsigned long disabled_auth
,
751 unsigned long disabled_enc
,
752 unsigned long disabled_mac
,
753 unsigned long disabled_ssl
,
754 CIPHER_ORDER
*co_list
,
755 CIPHER_ORDER
**head_p
,
756 CIPHER_ORDER
**tail_p
)
762 * We have num_of_ciphers descriptions compiled in, depending on the
763 * method selected (SSLv3, TLSv1 etc).
764 * These will later be sorted in a linked list with at most num
768 /* Get the initial list of ciphers */
769 co_list_num
= 0; /* actual count of ciphers */
770 for (i
= 0; i
< num_of_ciphers
; i
++) {
771 c
= ssl_method
->get_cipher(i
);
772 /* drop those that use any of that is not available */
773 if ((c
!= NULL
) && c
->valid
&&
774 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
775 !(c
->algorithm_mkey
& disabled_mkey
) &&
776 !(c
->algorithm_auth
& disabled_auth
) &&
777 !(c
->algorithm_enc
& disabled_enc
) &&
778 !(c
->algorithm_mac
& disabled_mac
) &&
779 !(c
->algorithm_ssl
& disabled_ssl
)) {
780 co_list
[co_list_num
].cipher
= c
;
781 co_list
[co_list_num
].next
= NULL
;
782 co_list
[co_list_num
].prev
= NULL
;
783 co_list
[co_list_num
].active
= 0;
786 * if (!sk_push(ca_list,(char *)c)) goto err;
792 * Prepare linked list from list entries
794 if (co_list_num
> 0) {
795 co_list
[0].prev
= NULL
;
797 if (co_list_num
> 1) {
798 co_list
[0].next
= &co_list
[1];
800 for (i
= 1; i
< co_list_num
- 1; i
++) {
801 co_list
[i
].prev
= &co_list
[i
- 1];
802 co_list
[i
].next
= &co_list
[i
+ 1];
805 co_list
[co_list_num
- 1].prev
= &co_list
[co_list_num
- 2];
808 co_list
[co_list_num
- 1].next
= NULL
;
810 *head_p
= &co_list
[0];
811 *tail_p
= &co_list
[co_list_num
- 1];
815 static void ssl_cipher_collect_aliases(const SSL_CIPHER
**ca_list
,
816 int num_of_group_aliases
,
817 unsigned long disabled_mkey
,
818 unsigned long disabled_auth
,
819 unsigned long disabled_enc
,
820 unsigned long disabled_mac
,
821 unsigned long disabled_ssl
,
824 CIPHER_ORDER
*ciph_curr
;
825 const SSL_CIPHER
**ca_curr
;
827 unsigned long mask_mkey
= ~disabled_mkey
;
828 unsigned long mask_auth
= ~disabled_auth
;
829 unsigned long mask_enc
= ~disabled_enc
;
830 unsigned long mask_mac
= ~disabled_mac
;
831 unsigned long mask_ssl
= ~disabled_ssl
;
834 * First, add the real ciphers as already collected
838 while (ciph_curr
!= NULL
) {
839 *ca_curr
= ciph_curr
->cipher
;
841 ciph_curr
= ciph_curr
->next
;
845 * Now we add the available ones from the cipher_aliases[] table.
846 * They represent either one or more algorithms, some of which
847 * in any affected category must be supported (set in enabled_mask),
848 * or represent a cipher strength value (will be added in any case because algorithms=0).
850 for (i
= 0; i
< num_of_group_aliases
; i
++) {
851 unsigned long algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
852 unsigned long algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
853 unsigned long algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
854 unsigned long algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
855 unsigned long algorithm_ssl
= cipher_aliases
[i
].algorithm_ssl
;
858 if ((algorithm_mkey
& mask_mkey
) == 0)
862 if ((algorithm_auth
& mask_auth
) == 0)
866 if ((algorithm_enc
& mask_enc
) == 0)
870 if ((algorithm_mac
& mask_mac
) == 0)
874 if ((algorithm_ssl
& mask_ssl
) == 0)
877 *ca_curr
= (SSL_CIPHER
*)(cipher_aliases
+ i
);
881 *ca_curr
= NULL
; /* end of list */
884 static void ssl_cipher_apply_rule(unsigned long cipher_id
,
885 unsigned long alg_mkey
,
886 unsigned long alg_auth
,
887 unsigned long alg_enc
,
888 unsigned long alg_mac
,
889 unsigned long alg_ssl
,
890 unsigned long algo_strength
, int rule
,
891 int 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
& SSL_EXP_MASK
)
964 && !(algo_strength
& SSL_EXP_MASK
& cp
->algo_strength
))
966 if ((algo_strength
& SSL_STRONG_MASK
)
967 && !(algo_strength
& SSL_STRONG_MASK
& cp
->algo_strength
))
972 fprintf(stderr
, "Action = %d\n", rule
);
975 /* add the cipher if it has not been added yet. */
976 if (rule
== CIPHER_ADD
) {
979 ll_append_tail(&head
, curr
, &tail
);
983 /* Move the added cipher to this location */
984 else if (rule
== CIPHER_ORD
) {
987 ll_append_tail(&head
, curr
, &tail
);
989 } else if (rule
== CIPHER_DEL
) {
993 * most recently deleted ciphersuites get best positions for
994 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
995 * in reverse to maintain the order)
997 ll_append_head(&head
, curr
, &tail
);
1000 } else if (rule
== CIPHER_KILL
) {
1005 curr
->prev
->next
= curr
->next
;
1009 if (curr
->next
!= NULL
)
1010 curr
->next
->prev
= curr
->prev
;
1011 if (curr
->prev
!= NULL
)
1012 curr
->prev
->next
= curr
->next
;
1022 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1023 CIPHER_ORDER
**tail_p
)
1025 int max_strength_bits
, 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));
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 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
1076 const char *l
, *buf
;
1077 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1078 unsigned long cipher_id
= 0;
1091 } else if (ch
== '+') {
1094 } else if (ch
== '!') {
1097 } else if (ch
== '@') {
1098 rule
= CIPHER_SPECIAL
;
1120 #ifndef CHARSET_EBCDIC
1121 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1122 ((ch
>= '0') && (ch
<= '9')) ||
1123 ((ch
>= 'a') && (ch
<= 'z')) ||
1124 (ch
== '-') || (ch
== '.') || (ch
== '='))
1126 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1135 * We hit something we cannot deal with,
1136 * it is no command or separator nor
1137 * alphanumeric, so we call this an error.
1139 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1140 SSL_R_INVALID_COMMAND
);
1146 if (rule
== CIPHER_SPECIAL
) {
1147 found
= 0; /* unused -- avoid compiler warning */
1148 break; /* special treatment */
1151 /* check for multi-part specification */
1159 * Now search for the cipher alias in the ca_list. Be careful
1160 * with the strncmp, because the "buflen" limitation
1161 * will make the rule "ADH:SOME" and the cipher
1162 * "ADH-MY-CIPHER" look like a match for buflen=3.
1163 * So additionally check whether the cipher name found
1164 * has the correct length. We can save a strlen() call:
1165 * just checking for the '\0' at the right place is
1166 * sufficient, we have to strncmp() anyway. (We cannot
1167 * use strcmp(), because buf is not '\0' terminated.)
1171 while (ca_list
[j
]) {
1172 if (strncmp(buf
, ca_list
[j
]->name
, buflen
) == 0
1173 && (ca_list
[j
]->name
[buflen
] == '\0')) {
1181 break; /* ignore this entry */
1183 if (ca_list
[j
]->algorithm_mkey
) {
1185 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1191 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1194 if (ca_list
[j
]->algorithm_auth
) {
1196 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1202 alg_auth
= ca_list
[j
]->algorithm_auth
;
1205 if (ca_list
[j
]->algorithm_enc
) {
1207 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1213 alg_enc
= ca_list
[j
]->algorithm_enc
;
1216 if (ca_list
[j
]->algorithm_mac
) {
1218 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1224 alg_mac
= ca_list
[j
]->algorithm_mac
;
1227 if (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) {
1228 if (algo_strength
& SSL_EXP_MASK
) {
1230 (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) |
1232 if (!(algo_strength
& SSL_EXP_MASK
)) {
1237 algo_strength
|= ca_list
[j
]->algo_strength
& SSL_EXP_MASK
;
1240 if (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) {
1241 if (algo_strength
& SSL_STRONG_MASK
) {
1243 (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) |
1245 if (!(algo_strength
& SSL_STRONG_MASK
)) {
1251 ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
;
1254 if (ca_list
[j
]->valid
) {
1256 * explicit ciphersuite found; its protocol version does not
1257 * become part of the search pattern!
1260 cipher_id
= ca_list
[j
]->id
;
1263 * not an explicit ciphersuite; only in this case, the
1264 * protocol version is considered part of the search pattern
1267 if (ca_list
[j
]->algorithm_ssl
) {
1269 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1275 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1284 * Ok, we have the rule, now apply it
1286 if (rule
== CIPHER_SPECIAL
) { /* special command */
1288 if ((buflen
== 8) && strncmp(buf
, "STRENGTH", 8) == 0)
1289 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1290 else if (buflen
== 10 && strncmp(buf
, "SECLEVEL=", 9) == 0) {
1291 int level
= buf
[9] - '0';
1292 if (level
< 0 || level
> 5) {
1293 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1294 SSL_R_INVALID_COMMAND
);
1296 c
->sec_level
= level
;
1300 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1301 SSL_R_INVALID_COMMAND
);
1305 * We do not support any "multi" options
1306 * together with "@", so throw away the
1307 * rest of the command, if any left, until
1308 * end or ':' is found.
1310 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1313 ssl_cipher_apply_rule(cipher_id
,
1314 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1315 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1318 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1328 #ifndef OPENSSL_NO_EC
1329 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1330 const char **prule_str
)
1332 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1333 if (strcmp(*prule_str
, "SUITEB128") == 0)
1334 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1335 else if (strcmp(*prule_str
, "SUITEB128ONLY") == 0)
1336 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1337 else if (strcmp(*prule_str
, "SUITEB128C2") == 0) {
1339 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1340 } else if (strcmp(*prule_str
, "SUITEB192") == 0)
1341 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1344 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1345 c
->cert_flags
|= suiteb_flags
;
1347 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1351 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1353 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1354 if (meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
)
1355 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1356 SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1358 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1359 SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1362 # ifndef OPENSSL_NO_EC
1363 switch (suiteb_flags
) {
1364 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1366 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1369 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1371 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1372 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1374 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1375 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1378 /* Set auto ECDH parameter determination */
1379 c
->ecdh_tmp_auto
= 1;
1382 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1383 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1389 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1390 **cipher_list
, STACK_OF(SSL_CIPHER
)
1391 **cipher_list_by_id
,
1392 const char *rule_str
, CERT
*c
)
1394 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1395 unsigned long disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1397 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1399 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1400 const SSL_CIPHER
**ca_list
= NULL
;
1403 * Return with error if nothing to do.
1405 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1407 #ifndef OPENSSL_NO_EC
1408 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1413 * To reduce the work to do we only want to process the compiled
1414 * in algorithms, so we first get the mask of disabled ciphers.
1417 disabled_mkey
= disabled_mkey_mask
;
1418 disabled_auth
= disabled_auth_mask
;
1419 disabled_enc
= disabled_enc_mask
;
1420 disabled_mac
= disabled_mac_mask
;
1424 * Now we have to collect the available ciphers from the compiled
1425 * in ciphers. We cannot get more than the number compiled in, so
1426 * it is used for allocation.
1428 num_of_ciphers
= ssl_method
->num_ciphers();
1430 co_list
= OPENSSL_malloc(sizeof(*co_list
) * num_of_ciphers
);
1431 if (co_list
== NULL
) {
1432 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1433 return (NULL
); /* Failure */
1436 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1437 disabled_mkey
, disabled_auth
, disabled_enc
,
1438 disabled_mac
, disabled_ssl
, co_list
, &head
,
1441 /* Now arrange all ciphers by preference: */
1444 * Everything else being equal, prefer ephemeral ECDH over other key
1445 * exchange mechanisms
1447 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1449 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1452 /* AES is our preferred symmetric cipher */
1453 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1456 /* Temporarily enable everything else for sorting */
1457 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1459 /* Low priority for MD5 */
1460 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1464 * Move anonymous ciphers to the end. Usually, these will remain
1465 * disabled. (For applications that allow them, they aren't too bad, but
1466 * we prefer authenticated ciphers.)
1468 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1471 /* Move ciphers without forward secrecy to the end */
1472 ssl_cipher_apply_rule(0, 0, SSL_aECDH
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1475 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1478 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1480 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1483 /* RC4 is sort-of broken -- move the the end */
1484 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1488 * Now sort by symmetric encryption strength. The above ordering remains
1489 * in force within each class
1491 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1492 OPENSSL_free(co_list
);
1496 /* Now disable everything (maintaining the ordering!) */
1497 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1500 * We also need cipher aliases for selecting based on the rule_str.
1501 * There might be two types of entries in the rule_str: 1) names
1502 * of ciphers themselves 2) aliases for groups of ciphers.
1503 * For 1) we need the available ciphers and for 2) the cipher
1504 * groups of cipher_aliases added together in one list (otherwise
1505 * we would be happy with just the cipher_aliases table).
1507 num_of_group_aliases
= OSSL_NELEM(cipher_aliases
);
1508 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1509 ca_list
= OPENSSL_malloc(sizeof(*ca_list
) * num_of_alias_max
);
1510 if (ca_list
== NULL
) {
1511 OPENSSL_free(co_list
);
1512 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1513 return (NULL
); /* Failure */
1515 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1516 disabled_mkey
, disabled_auth
, disabled_enc
,
1517 disabled_mac
, disabled_ssl
, head
);
1520 * If the rule_string begins with DEFAULT, apply the default rule
1521 * before using the (possibly available) additional rules.
1525 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1526 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1527 &head
, &tail
, ca_list
, c
);
1533 if (ok
&& (strlen(rule_p
) > 0))
1534 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1536 OPENSSL_free(ca_list
); /* Not needed anymore */
1538 if (!ok
) { /* Rule processing failure */
1539 OPENSSL_free(co_list
);
1544 * Allocate new "cipherstack" for the result, return with error
1545 * if we cannot get one.
1547 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1548 OPENSSL_free(co_list
);
1553 * The cipher selection for the list is done. The ciphers are added
1554 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1556 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1558 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1559 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1560 OPENSSL_free(co_list
);
1561 sk_SSL_CIPHER_free(cipherstack
);
1565 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1569 OPENSSL_free(co_list
); /* Not needed any longer */
1571 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1572 if (tmp_cipher_list
== NULL
) {
1573 sk_SSL_CIPHER_free(cipherstack
);
1576 sk_SSL_CIPHER_free(*cipher_list
);
1577 *cipher_list
= cipherstack
;
1578 if (*cipher_list_by_id
!= NULL
)
1579 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1580 *cipher_list_by_id
= tmp_cipher_list
;
1581 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1582 ssl_cipher_ptr_id_cmp
);
1584 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1585 return (cipherstack
);
1588 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1590 int is_export
, pkl
, kl
;
1591 const char *ver
, *exp_str
;
1592 const char *kx
, *au
, *enc
, *mac
;
1593 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
;
1594 static const char *format
=
1595 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
1597 alg_mkey
= cipher
->algorithm_mkey
;
1598 alg_auth
= cipher
->algorithm_auth
;
1599 alg_enc
= cipher
->algorithm_enc
;
1600 alg_mac
= cipher
->algorithm_mac
;
1601 alg_ssl
= cipher
->algorithm_ssl
;
1603 is_export
= SSL_C_IS_EXPORT(cipher
);
1604 pkl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
1605 kl
= SSL_C_EXPORT_KEYLENGTH(cipher
);
1606 exp_str
= is_export
? " export" : "";
1608 if (alg_ssl
& SSL_SSLV3
)
1610 else if (alg_ssl
& SSL_TLSV1_2
)
1617 kx
= is_export
? (pkl
== 512 ? "RSA(512)" : "RSA(1024)") : "RSA";
1626 kx
= is_export
? (pkl
== 512 ? "DH(512)" : "DH(1024)") : "DH";
1694 enc
= (is_export
&& kl
== 5) ? "DES(40)" : "DES(56)";
1700 enc
= is_export
? (kl
== 5 ? "RC4(40)" : "RC4(56)") : "RC4(128)";
1703 enc
= is_export
? (kl
== 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)";
1718 enc
= "AESGCM(128)";
1721 enc
= "AESGCM(256)";
1724 enc
= "AESCCM(128)";
1727 enc
= "AESCCM(256)";
1729 case SSL_AES128CCM8
:
1730 enc
= "AESCCM8(128)";
1732 case SSL_AES256CCM8
:
1733 enc
= "AESCCM8(256)";
1735 case SSL_CAMELLIA128
:
1736 enc
= "Camellia(128)";
1738 case SSL_CAMELLIA256
:
1739 enc
= "Camellia(256)";
1744 case SSL_eGOST2814789CNT
:
1745 enc
= "GOST89(256)";
1781 buf
= OPENSSL_malloc(len
);
1783 return ("OPENSSL_malloc Error");
1784 } else if (len
< 128)
1785 return ("Buffer too small");
1787 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1793 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1799 i
= (int)(c
->id
>> 24L);
1801 return ("TLSv1/SSLv3");
1806 /* return the actual cipher being used */
1807 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1814 /* number of bits for symmetric cipher */
1815 int SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, int *alg_bits
)
1820 if (alg_bits
!= NULL
)
1821 *alg_bits
= c
->alg_bits
;
1822 ret
= c
->strength_bits
;
1827 unsigned long SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1832 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1837 if ((n
== 0) || (sk
== NULL
))
1839 nn
= sk_SSL_COMP_num(sk
);
1840 for (i
= 0; i
< nn
; i
++) {
1841 ctmp
= sk_SSL_COMP_value(sk
, i
);
1848 #ifdef OPENSSL_NO_COMP
1849 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1853 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1858 void SSL_COMP_free_compression_methods(void)
1861 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1867 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1869 load_builtin_compressions();
1870 return (ssl_comp_methods
);
1873 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1876 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1877 ssl_comp_methods
= meths
;
1881 static void cmeth_free(SSL_COMP
*cm
)
1886 void SSL_COMP_free_compression_methods(void)
1888 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1889 ssl_comp_methods
= NULL
;
1890 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1893 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1897 if (cm
== NULL
|| COMP_get_type(cm
) == NID_undef
)
1901 * According to draft-ietf-tls-compression-04.txt, the
1902 * compression number ranges should be the following:
1904 * 0 to 63: methods defined by the IETF
1905 * 64 to 192: external party methods assigned by IANA
1906 * 193 to 255: reserved for private use
1908 if (id
< 193 || id
> 255) {
1909 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1910 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1915 comp
= OPENSSL_malloc(sizeof(*comp
));
1918 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1924 load_builtin_compressions();
1925 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
1928 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1929 SSL_R_DUPLICATE_COMPRESSION_ID
);
1931 } else if ((ssl_comp_methods
== NULL
)
1932 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
1935 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1944 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
1946 #ifndef OPENSSL_NO_COMP
1947 return comp
? COMP_get_name(comp
) : NULL
;
1953 /* For a cipher return the index corresponding to the certificate type */
1954 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
1956 unsigned long alg_k
, alg_a
;
1958 alg_k
= c
->algorithm_mkey
;
1959 alg_a
= c
->algorithm_auth
;
1961 if (alg_k
& (SSL_kECDHr
| SSL_kECDHe
)) {
1963 * we don't need to look at SSL_kECDHE since no certificate is needed
1964 * for anon ECDH and for authenticated ECDHE, the check for the auth
1965 * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
1966 * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
1967 * checks for SSL_kECDH before RSA checks ensures the correct cert is
1970 return SSL_PKEY_ECC
;
1971 } else if (alg_a
& SSL_aECDSA
)
1972 return SSL_PKEY_ECC
;
1973 else if (alg_k
& SSL_kDHr
)
1974 return SSL_PKEY_DH_RSA
;
1975 else if (alg_k
& SSL_kDHd
)
1976 return SSL_PKEY_DH_DSA
;
1977 else if (alg_a
& SSL_aDSS
)
1978 return SSL_PKEY_DSA_SIGN
;
1979 else if (alg_a
& SSL_aRSA
)
1980 return SSL_PKEY_RSA_ENC
;
1981 else if (alg_a
& SSL_aGOST01
)
1982 return SSL_PKEY_GOST01
;
1986 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
1988 const SSL_CIPHER
*c
;
1989 c
= ssl
->method
->get_cipher_by_char(ptr
);
1990 if (c
== NULL
|| c
->valid
== 0)
1995 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
1997 return ssl
->method
->get_cipher_by_char(ptr
);
2000 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER
*c
)
2005 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
2008 return ssl_cipher_table_cipher
[i
].nid
;
2011 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER
*c
)
2016 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
2019 return ssl_cipher_table_mac
[i
].nid
;