2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
144 #include <openssl/objects.h>
145 #ifndef OPENSSL_NO_COMP
146 # include <openssl/comp.h>
148 #ifndef OPENSSL_NO_ENGINE
149 # include <openssl/engine.h>
151 #include "ssl_locl.h"
153 #define SSL_ENC_DES_IDX 0
154 #define SSL_ENC_3DES_IDX 1
155 #define SSL_ENC_RC4_IDX 2
156 #define SSL_ENC_RC2_IDX 3
157 #define SSL_ENC_IDEA_IDX 4
158 #define SSL_ENC_NULL_IDX 5
159 #define SSL_ENC_AES128_IDX 6
160 #define SSL_ENC_AES256_IDX 7
161 #define SSL_ENC_CAMELLIA128_IDX 8
162 #define SSL_ENC_CAMELLIA256_IDX 9
163 #define SSL_ENC_GOST89_IDX 10
164 #define SSL_ENC_SEED_IDX 11
165 #define SSL_ENC_AES128GCM_IDX 12
166 #define SSL_ENC_AES256GCM_IDX 13
167 #define SSL_ENC_NUM_IDX 14
169 /* NB: make sure indices in these tables match values above */
176 /* Table of NIDs for each cipher */
177 static const ssl_cipher_table ssl_cipher_table_cipher
[SSL_ENC_NUM_IDX
] = {
178 {SSL_DES
, NID_des_cbc
}, /* SSL_ENC_DES_IDX 0 */
179 {SSL_3DES
, NID_des_ede3_cbc
}, /* SSL_ENC_3DES_IDX 1 */
180 {SSL_RC4
, NID_rc4
}, /* SSL_ENC_RC4_IDX 2 */
181 {SSL_RC2
, NID_rc2_cbc
}, /* SSL_ENC_RC2_IDX 3 */
182 {SSL_IDEA
, NID_idea_cbc
}, /* SSL_ENC_IDEA_IDX 4 */
183 {SSL_eNULL
, NID_undef
}, /* SSL_ENC_NULL_IDX 5 */
184 {SSL_AES128
, NID_aes_128_cbc
}, /* SSL_ENC_AES128_IDX 6 */
185 {SSL_AES256
, NID_aes_256_cbc
}, /* SSL_ENC_AES256_IDX 7 */
186 {SSL_CAMELLIA128
, NID_camellia_128_cbc
}, /* SSL_ENC_CAMELLIA128_IDX 8 */
187 {SSL_CAMELLIA256
, NID_camellia_256_cbc
}, /* SSL_ENC_CAMELLIA256_IDX 9 */
188 {SSL_eGOST2814789CNT
, NID_gost89_cnt
}, /* SSL_ENC_GOST89_IDX 10 */
189 {SSL_SEED
, NID_seed_cbc
}, /* SSL_ENC_SEED_IDX 11 */
190 {SSL_AES128GCM
, NID_aes_128_gcm
}, /* SSL_ENC_AES128GCM_IDX 12 */
191 {SSL_AES256GCM
, NID_aes_256_gcm
} /* SSL_ENC_AES256GCM_IDX 13 */
194 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
195 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
199 #define SSL_COMP_NULL_IDX 0
200 #define SSL_COMP_ZLIB_IDX 1
201 #define SSL_COMP_NUM_IDX 2
203 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
205 #define SSL_MD_MD5_IDX 0
206 #define SSL_MD_SHA1_IDX 1
207 #define SSL_MD_GOST94_IDX 2
208 #define SSL_MD_GOST89MAC_IDX 3
209 #define SSL_MD_SHA256_IDX 4
210 #define SSL_MD_SHA384_IDX 5
212 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
216 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
218 /* NB: make sure indices in this table matches values above */
219 static const ssl_cipher_table ssl_cipher_table_mac
[SSL_MD_NUM_IDX
] = {
220 {SSL_MD5
, NID_md5
}, /* SSL_MD_MD5_IDX 0 */
221 {SSL_SHA1
, NID_sha1
}, /* SSL_MD_SHA1_IDX 1 */
222 {SSL_GOST94
, NID_id_GostR3411_94
}, /* SSL_MD_GOST94_IDX 2 */
223 {SSL_GOST89MAC
, NID_id_Gost28147_89_MAC
}, /* SSL_MD_GOST89MAC_IDX 3 */
224 {SSL_SHA256
, NID_sha256
}, /* SSL_MD_SHA256_IDX 4 */
225 {SSL_SHA384
, NID_sha384
} /* SSL_MD_SHA384_IDX 5 */
228 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
229 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
232 /* Utility function for table lookup */
233 static int ssl_cipher_info_find(const ssl_cipher_table
* table
,
234 size_t table_cnt
, unsigned long mask
)
237 for (i
= 0; i
< table_cnt
; i
++, table
++) {
238 if (table
->mask
== mask
)
244 #define ssl_cipher_info_lookup(table, x) \
245 ssl_cipher_info_find(table, OSSL_NELEM(table), x)
248 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
249 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
252 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
253 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
254 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
257 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
261 static const int ssl_handshake_digest_flag
[SSL_MD_NUM_IDX
] = {
262 SSL_HANDSHAKE_MAC_MD5
, SSL_HANDSHAKE_MAC_SHA
,
263 SSL_HANDSHAKE_MAC_GOST94
, 0, SSL_HANDSHAKE_MAC_SHA256
,
264 SSL_HANDSHAKE_MAC_SHA384
268 #define CIPHER_KILL 2
271 #define CIPHER_SPECIAL 5
273 typedef struct cipher_order_st
{
274 const SSL_CIPHER
*cipher
;
277 struct cipher_order_st
*next
, *prev
;
280 static const SSL_CIPHER cipher_aliases
[] = {
281 /* "ALL" doesn't include eNULL (must be specifically enabled) */
282 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
283 /* "COMPLEMENTOFALL" */
284 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
287 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
290 {0, SSL_TXT_CMPDEF
, 0, SSL_kDHE
| SSL_kECDHE
, SSL_aNULL
, ~SSL_eNULL
, 0, 0,
294 * key exchange aliases (some of those using only a single bit here
295 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
296 * combines DHE_DSS and DHE_RSA)
298 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
300 {0, SSL_TXT_kDHr
, 0, SSL_kDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
301 {0, SSL_TXT_kDHd
, 0, SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
302 {0, SSL_TXT_kDH
, 0, SSL_kDHr
| SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
303 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
304 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
305 {0, SSL_TXT_DH
, 0, SSL_kDHr
| SSL_kDHd
| SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
308 {0, SSL_TXT_kKRB5
, 0, SSL_kKRB5
, 0, 0, 0, 0, 0, 0, 0, 0},
310 {0, SSL_TXT_kECDHr
, 0, SSL_kECDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
311 {0, SSL_TXT_kECDHe
, 0, SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
312 {0, SSL_TXT_kECDH
, 0, SSL_kECDHr
| SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
313 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
314 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
315 {0, SSL_TXT_ECDH
, 0, SSL_kECDHr
| SSL_kECDHe
| SSL_kECDHE
, 0, 0, 0, 0, 0,
318 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
319 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
320 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
322 /* server authentication aliases */
323 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
324 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
325 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
326 {0, SSL_TXT_aKRB5
, 0, 0, SSL_aKRB5
, 0, 0, 0, 0, 0, 0, 0},
327 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
328 /* no such ciphersuites supported! */
329 {0, SSL_TXT_aDH
, 0, 0, SSL_aDH
, 0, 0, 0, 0, 0, 0, 0},
330 {0, SSL_TXT_aECDH
, 0, 0, SSL_aECDH
, 0, 0, 0, 0, 0, 0, 0},
331 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
332 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
333 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
334 {0, SSL_TXT_aGOST94
, 0, 0, SSL_aGOST94
, 0, 0, 0, 0, 0, 0, 0},
335 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
336 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST94
| SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
337 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
339 /* aliases combining key exchange and server authentication */
340 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
341 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
342 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
343 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
344 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
345 {0, SSL_TXT_KRB5
, 0, SSL_kKRB5
, SSL_aKRB5
, 0, 0, 0, 0, 0, 0, 0},
346 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
347 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
348 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
349 {0, SSL_TXT_PSK
, 0, SSL_kPSK
, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
350 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
352 /* symmetric encryption aliases */
353 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
354 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
355 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
356 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
357 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
358 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
359 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
360 {0, SSL_TXT_AES128
, 0, 0, 0, SSL_AES128
| SSL_AES128GCM
, 0, 0, 0, 0, 0,
362 {0, SSL_TXT_AES256
, 0, 0, 0, SSL_AES256
| SSL_AES256GCM
, 0, 0, 0, 0, 0,
364 {0, SSL_TXT_AES
, 0, 0, 0, SSL_AES
, 0, 0, 0, 0, 0, 0},
365 {0, SSL_TXT_AES_GCM
, 0, 0, 0, SSL_AES128GCM
| SSL_AES256GCM
, 0, 0, 0, 0,
367 {0, SSL_TXT_CAMELLIA128
, 0, 0, 0, SSL_CAMELLIA128
, 0, 0, 0, 0, 0, 0},
368 {0, SSL_TXT_CAMELLIA256
, 0, 0, 0, SSL_CAMELLIA256
, 0, 0, 0, 0, 0, 0},
369 {0, SSL_TXT_CAMELLIA
, 0, 0, 0, SSL_CAMELLIA128
| SSL_CAMELLIA256
, 0, 0, 0,
373 {0, SSL_TXT_MD5
, 0, 0, 0, 0, SSL_MD5
, 0, 0, 0, 0, 0},
374 {0, SSL_TXT_SHA1
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
375 {0, SSL_TXT_SHA
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
376 {0, SSL_TXT_GOST94
, 0, 0, 0, 0, SSL_GOST94
, 0, 0, 0, 0, 0},
377 {0, SSL_TXT_GOST89MAC
, 0, 0, 0, 0, SSL_GOST89MAC
, 0, 0, 0, 0, 0},
378 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
379 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
381 /* protocol version aliases */
382 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
383 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
384 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
387 {0, SSL_TXT_EXP
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
388 {0, SSL_TXT_EXPORT
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
390 /* strength classes */
391 {0, SSL_TXT_EXP40
, 0, 0, 0, 0, 0, 0, SSL_EXP40
, 0, 0, 0},
392 {0, SSL_TXT_EXP56
, 0, 0, 0, 0, 0, 0, SSL_EXP56
, 0, 0, 0},
393 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
394 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
395 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
396 /* FIPS 140-2 approved ciphersuite */
397 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
399 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
400 {0, SSL3_TXT_EDH_DSS_DES_40_CBC_SHA
, 0,
401 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
403 {0, SSL3_TXT_EDH_DSS_DES_64_CBC_SHA
, 0,
404 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
406 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
407 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
408 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
409 {0, SSL3_TXT_EDH_RSA_DES_40_CBC_SHA
, 0,
410 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
412 {0, SSL3_TXT_EDH_RSA_DES_64_CBC_SHA
, 0,
413 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
415 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
416 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
417 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
422 * Search for public key algorithm with given name and return its pkey_id if
423 * it is available. Otherwise return 0
425 #ifdef OPENSSL_NO_ENGINE
427 static int get_optional_pkey_id(const char *pkey_name
)
429 const EVP_PKEY_ASN1_METHOD
*ameth
;
431 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
433 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
440 static int get_optional_pkey_id(const char *pkey_name
)
442 const EVP_PKEY_ASN1_METHOD
*ameth
;
443 ENGINE
*tmpeng
= NULL
;
445 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, pkey_name
, -1);
447 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
450 ENGINE_finish(tmpeng
);
456 void ssl_load_ciphers(void)
459 const ssl_cipher_table
*t
;
460 for (i
= 0, t
= ssl_cipher_table_cipher
; i
< SSL_ENC_NUM_IDX
; i
++, t
++) {
461 if (t
->nid
== NID_undef
)
462 ssl_cipher_methods
[i
] = NULL
;
464 ssl_cipher_methods
[i
] = EVP_get_cipherbynid(t
->nid
);
467 for (i
= 0, t
= ssl_cipher_table_mac
; i
< SSL_MD_NUM_IDX
; i
++, t
++) {
468 ssl_digest_methods
[i
] = EVP_get_digestbynid(t
->nid
);
469 if (ssl_digest_methods
[i
]) {
470 ssl_mac_secret_size
[i
] = EVP_MD_size(ssl_digest_methods
[i
]);
471 OPENSSL_assert(ssl_mac_secret_size
[i
] >= 0);
474 /* Make sure we can access MD5 and SHA1 */
475 OPENSSL_assert(ssl_digest_methods
[SSL_MD_MD5_IDX
] != NULL
);
476 OPENSSL_assert(ssl_digest_methods
[SSL_MD_SHA1_IDX
] != NULL
);
479 #ifndef OPENSSL_NO_COMP
481 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
483 return ((*a
)->id
- (*b
)->id
);
486 static void load_builtin_compressions(void)
488 int got_write_lock
= 0;
490 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
491 if (ssl_comp_methods
== NULL
) {
492 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
493 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
496 if (ssl_comp_methods
== NULL
) {
497 SSL_COMP
*comp
= NULL
;
500 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
501 if (ssl_comp_methods
!= NULL
) {
502 comp
= OPENSSL_malloc(sizeof(*comp
));
504 comp
->method
= COMP_zlib();
505 if (comp
->method
&& comp
->method
->type
== NID_undef
)
508 comp
->id
= SSL_COMP_ZLIB_IDX
;
509 comp
->name
= comp
->method
->name
;
510 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
513 sk_SSL_COMP_sort(ssl_comp_methods
);
520 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
522 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
526 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
527 const EVP_MD
**md
, int *mac_pkey_type
,
528 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
538 #ifndef OPENSSL_NO_COMP
539 load_builtin_compressions();
543 ctmp
.id
= s
->compress_meth
;
544 if (ssl_comp_methods
!= NULL
) {
545 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
547 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
551 /* If were only interested in comp then return success */
552 if ((enc
== NULL
) && (md
== NULL
))
556 if ((enc
== NULL
) || (md
== NULL
))
559 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
564 if (i
== SSL_ENC_NULL_IDX
)
565 *enc
= EVP_enc_null();
567 *enc
= ssl_cipher_methods
[i
];
570 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
573 if (mac_pkey_type
!= NULL
)
574 *mac_pkey_type
= NID_undef
;
575 if (mac_secret_size
!= NULL
)
576 *mac_secret_size
= 0;
577 if (c
->algorithm_mac
== SSL_AEAD
)
578 mac_pkey_type
= NULL
;
580 *md
= ssl_digest_methods
[i
];
581 if (mac_pkey_type
!= NULL
)
582 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
583 if (mac_secret_size
!= NULL
)
584 *mac_secret_size
= ssl_mac_secret_size
[i
];
587 if ((*enc
!= NULL
) &&
588 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
589 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
590 const EVP_CIPHER
*evp
;
595 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
596 s
->ssl_version
< TLS1_VERSION
)
602 if (c
->algorithm_enc
== SSL_RC4
&&
603 c
->algorithm_mac
== SSL_MD5
&&
604 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
605 *enc
= evp
, *md
= NULL
;
606 else if (c
->algorithm_enc
== SSL_AES128
&&
607 c
->algorithm_mac
== SSL_SHA1
&&
608 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
609 *enc
= evp
, *md
= NULL
;
610 else if (c
->algorithm_enc
== SSL_AES256
&&
611 c
->algorithm_mac
== SSL_SHA1
&&
612 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
613 *enc
= evp
, *md
= NULL
;
614 else if (c
->algorithm_enc
== SSL_AES128
&&
615 c
->algorithm_mac
== SSL_SHA256
&&
616 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
617 *enc
= evp
, *md
= NULL
;
618 else if (c
->algorithm_enc
== SSL_AES256
&&
619 c
->algorithm_mac
== SSL_SHA256
&&
620 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
621 *enc
= evp
, *md
= NULL
;
627 int ssl_get_handshake_digest(int idx
, long *mask
, const EVP_MD
**md
)
629 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
) {
632 *mask
= ssl_handshake_digest_flag
[idx
];
634 *md
= ssl_digest_methods
[idx
];
640 #define ITEM_SEP(a) \
641 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
643 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
650 if (curr
->prev
!= NULL
)
651 curr
->prev
->next
= curr
->next
;
652 if (curr
->next
!= NULL
)
653 curr
->next
->prev
= curr
->prev
;
654 (*tail
)->next
= curr
;
660 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
667 if (curr
->next
!= NULL
)
668 curr
->next
->prev
= curr
->prev
;
669 if (curr
->prev
!= NULL
)
670 curr
->prev
->next
= curr
->next
;
671 (*head
)->prev
= curr
;
677 static void ssl_cipher_get_disabled(unsigned long *mkey
, unsigned long *auth
,
678 unsigned long *enc
, unsigned long *mac
,
687 #ifdef OPENSSL_NO_RSA
691 #ifdef OPENSSL_NO_DSA
695 *mkey
|= SSL_kDHr
| SSL_kDHd
| SSL_kDHE
;
698 #ifdef OPENSSL_NO_KRB5
703 *mkey
|= SSL_kECDHe
| SSL_kECDHr
;
704 *auth
|= SSL_aECDSA
| SSL_aECDH
;
706 #ifdef OPENSSL_NO_PSK
710 #ifdef OPENSSL_NO_SRP
714 * Check for presence of GOST 34.10 algorithms, and if they do not
715 * present, disable appropriate auth and key exchange
717 if (!get_optional_pkey_id("gost94")) {
718 *auth
|= SSL_aGOST94
;
720 if (!get_optional_pkey_id("gost2001")) {
721 *auth
|= SSL_aGOST01
;
724 * Disable GOST key exchange if no GOST signature algs are available *
726 if ((*auth
& (SSL_aGOST94
| SSL_aGOST01
)) == (SSL_aGOST94
| SSL_aGOST01
)) {
729 #ifdef SSL_FORBID_ENULL
733 *enc
|= (ssl_cipher_methods
[SSL_ENC_DES_IDX
] == NULL
) ? SSL_DES
: 0;
734 *enc
|= (ssl_cipher_methods
[SSL_ENC_3DES_IDX
] == NULL
) ? SSL_3DES
: 0;
735 *enc
|= (ssl_cipher_methods
[SSL_ENC_RC4_IDX
] == NULL
) ? SSL_RC4
: 0;
736 *enc
|= (ssl_cipher_methods
[SSL_ENC_RC2_IDX
] == NULL
) ? SSL_RC2
: 0;
737 *enc
|= (ssl_cipher_methods
[SSL_ENC_IDEA_IDX
] == NULL
) ? SSL_IDEA
: 0;
738 *enc
|= (ssl_cipher_methods
[SSL_ENC_AES128_IDX
] == NULL
) ? SSL_AES128
: 0;
739 *enc
|= (ssl_cipher_methods
[SSL_ENC_AES256_IDX
] == NULL
) ? SSL_AES256
: 0;
741 (ssl_cipher_methods
[SSL_ENC_AES128GCM_IDX
] ==
742 NULL
) ? SSL_AES128GCM
: 0;
744 (ssl_cipher_methods
[SSL_ENC_AES256GCM_IDX
] ==
745 NULL
) ? SSL_AES256GCM
: 0;
747 (ssl_cipher_methods
[SSL_ENC_CAMELLIA128_IDX
] ==
748 NULL
) ? SSL_CAMELLIA128
: 0;
750 (ssl_cipher_methods
[SSL_ENC_CAMELLIA256_IDX
] ==
751 NULL
) ? SSL_CAMELLIA256
: 0;
753 (ssl_cipher_methods
[SSL_ENC_GOST89_IDX
] ==
754 NULL
) ? SSL_eGOST2814789CNT
: 0;
755 *enc
|= (ssl_cipher_methods
[SSL_ENC_SEED_IDX
] == NULL
) ? SSL_SEED
: 0;
757 *mac
|= (ssl_digest_methods
[SSL_MD_MD5_IDX
] == NULL
) ? SSL_MD5
: 0;
758 *mac
|= (ssl_digest_methods
[SSL_MD_SHA1_IDX
] == NULL
) ? SSL_SHA1
: 0;
759 *mac
|= (ssl_digest_methods
[SSL_MD_SHA256_IDX
] == NULL
) ? SSL_SHA256
: 0;
760 *mac
|= (ssl_digest_methods
[SSL_MD_SHA384_IDX
] == NULL
) ? SSL_SHA384
: 0;
761 *mac
|= (ssl_digest_methods
[SSL_MD_GOST94_IDX
] == NULL
) ? SSL_GOST94
: 0;
762 *mac
|= (ssl_digest_methods
[SSL_MD_GOST89MAC_IDX
] == NULL
763 || ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] ==
764 NID_undef
) ? SSL_GOST89MAC
: 0;
768 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
770 unsigned long disabled_mkey
,
771 unsigned long disabled_auth
,
772 unsigned long disabled_enc
,
773 unsigned long disabled_mac
,
774 unsigned long disabled_ssl
,
775 CIPHER_ORDER
*co_list
,
776 CIPHER_ORDER
**head_p
,
777 CIPHER_ORDER
**tail_p
)
783 * We have num_of_ciphers descriptions compiled in, depending on the
784 * method selected (SSLv3, TLSv1 etc).
785 * These will later be sorted in a linked list with at most num
789 /* Get the initial list of ciphers */
790 co_list_num
= 0; /* actual count of ciphers */
791 for (i
= 0; i
< num_of_ciphers
; i
++) {
792 c
= ssl_method
->get_cipher(i
);
793 /* drop those that use any of that is not available */
794 if ((c
!= NULL
) && c
->valid
&&
795 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
796 !(c
->algorithm_mkey
& disabled_mkey
) &&
797 !(c
->algorithm_auth
& disabled_auth
) &&
798 !(c
->algorithm_enc
& disabled_enc
) &&
799 !(c
->algorithm_mac
& disabled_mac
) &&
800 !(c
->algorithm_ssl
& disabled_ssl
)) {
801 co_list
[co_list_num
].cipher
= c
;
802 co_list
[co_list_num
].next
= NULL
;
803 co_list
[co_list_num
].prev
= NULL
;
804 co_list
[co_list_num
].active
= 0;
807 fprintf(stderr
, "\t%d: %s %lx %lx %lx\n", i
, c
->name
, c
->id
,
808 c
->algorithm_mkey
, c
->algorithm_auth
);
809 #endif /* KSSL_DEBUG */
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 unsigned long disabled_mkey
,
843 unsigned long disabled_auth
,
844 unsigned long disabled_enc
,
845 unsigned long disabled_mac
,
846 unsigned long disabled_ssl
,
849 CIPHER_ORDER
*ciph_curr
;
850 const SSL_CIPHER
**ca_curr
;
852 unsigned long mask_mkey
= ~disabled_mkey
;
853 unsigned long mask_auth
= ~disabled_auth
;
854 unsigned long mask_enc
= ~disabled_enc
;
855 unsigned long mask_mac
= ~disabled_mac
;
856 unsigned long 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 unsigned long algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
877 unsigned long algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
878 unsigned long algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
879 unsigned long algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
880 unsigned long 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(unsigned long cipher_id
,
910 unsigned long alg_mkey
,
911 unsigned long alg_auth
,
912 unsigned long alg_enc
,
913 unsigned long alg_mac
,
914 unsigned long alg_ssl
,
915 unsigned long algo_strength
, int rule
,
916 int strength_bits
, CIPHER_ORDER
**head_p
,
917 CIPHER_ORDER
**tail_p
)
919 CIPHER_ORDER
*head
, *tail
, *curr
, *next
, *last
;
920 const SSL_CIPHER
*cp
;
925 "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
926 rule
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
927 algo_strength
, strength_bits
);
930 if (rule
== CIPHER_DEL
)
931 reverse
= 1; /* needed to maintain sorting between
932 * currently deleted ciphers */
955 next
= reverse
? curr
->prev
: curr
->next
;
960 * Selection criteria is either the value of strength_bits
961 * or the algorithms used.
963 if (strength_bits
>= 0) {
964 if (strength_bits
!= cp
->strength_bits
)
969 "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n",
970 cp
->name
, cp
->algorithm_mkey
, cp
->algorithm_auth
,
971 cp
->algorithm_enc
, cp
->algorithm_mac
, cp
->algorithm_ssl
,
974 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
975 if (cipher_id
&& cipher_id
!= cp
->id
)
978 if (alg_mkey
&& !(alg_mkey
& cp
->algorithm_mkey
))
980 if (alg_auth
&& !(alg_auth
& cp
->algorithm_auth
))
982 if (alg_enc
&& !(alg_enc
& cp
->algorithm_enc
))
984 if (alg_mac
&& !(alg_mac
& cp
->algorithm_mac
))
986 if (alg_ssl
&& !(alg_ssl
& cp
->algorithm_ssl
))
988 if ((algo_strength
& SSL_EXP_MASK
)
989 && !(algo_strength
& SSL_EXP_MASK
& cp
->algo_strength
))
991 if ((algo_strength
& SSL_STRONG_MASK
)
992 && !(algo_strength
& SSL_STRONG_MASK
& cp
->algo_strength
))
997 fprintf(stderr
, "Action = %d\n", rule
);
1000 /* add the cipher if it has not been added yet. */
1001 if (rule
== CIPHER_ADD
) {
1003 if (!curr
->active
) {
1004 ll_append_tail(&head
, curr
, &tail
);
1008 /* Move the added cipher to this location */
1009 else if (rule
== CIPHER_ORD
) {
1012 ll_append_tail(&head
, curr
, &tail
);
1014 } else if (rule
== CIPHER_DEL
) {
1018 * most recently deleted ciphersuites get best positions for
1019 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
1020 * in reverse to maintain the order)
1022 ll_append_head(&head
, curr
, &tail
);
1025 } else if (rule
== CIPHER_KILL
) {
1030 curr
->prev
->next
= curr
->next
;
1034 if (curr
->next
!= NULL
)
1035 curr
->next
->prev
= curr
->prev
;
1036 if (curr
->prev
!= NULL
)
1037 curr
->prev
->next
= curr
->next
;
1047 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1048 CIPHER_ORDER
**tail_p
)
1050 int max_strength_bits
, i
, *number_uses
;
1054 * This routine sorts the ciphers with descending strength. The sorting
1055 * must keep the pre-sorted sequence, so we apply the normal sorting
1056 * routine as '+' movement to the end of the list.
1058 max_strength_bits
= 0;
1060 while (curr
!= NULL
) {
1061 if (curr
->active
&& (curr
->cipher
->strength_bits
> max_strength_bits
))
1062 max_strength_bits
= curr
->cipher
->strength_bits
;
1066 number_uses
= OPENSSL_malloc(sizeof(int) * (max_strength_bits
+ 1));
1068 SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT
, ERR_R_MALLOC_FAILURE
);
1071 memset(number_uses
, 0, sizeof(int) * (max_strength_bits
+ 1));
1074 * Now find the strength_bits values actually used
1077 while (curr
!= NULL
) {
1079 number_uses
[curr
->cipher
->strength_bits
]++;
1083 * Go through the list of used strength_bits values in descending
1086 for (i
= max_strength_bits
; i
>= 0; i
--)
1087 if (number_uses
[i
] > 0)
1088 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD
, i
, head_p
,
1091 OPENSSL_free(number_uses
);
1095 static int ssl_cipher_process_rulestr(const char *rule_str
,
1096 CIPHER_ORDER
**head_p
,
1097 CIPHER_ORDER
**tail_p
,
1098 const SSL_CIPHER
**ca_list
, CERT
*c
)
1100 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
1102 const char *l
, *buf
;
1103 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1104 unsigned long cipher_id
= 0;
1117 } else if (ch
== '+') {
1120 } else if (ch
== '!') {
1123 } else if (ch
== '@') {
1124 rule
= CIPHER_SPECIAL
;
1146 #ifndef CHARSET_EBCDIC
1147 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1148 ((ch
>= '0') && (ch
<= '9')) ||
1149 ((ch
>= 'a') && (ch
<= 'z')) ||
1150 (ch
== '-') || (ch
== '.') || (ch
== '='))
1152 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1161 * We hit something we cannot deal with,
1162 * it is no command or separator nor
1163 * alphanumeric, so we call this an error.
1165 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1166 SSL_R_INVALID_COMMAND
);
1172 if (rule
== CIPHER_SPECIAL
) {
1173 found
= 0; /* unused -- avoid compiler warning */
1174 break; /* special treatment */
1177 /* check for multi-part specification */
1185 * Now search for the cipher alias in the ca_list. Be careful
1186 * with the strncmp, because the "buflen" limitation
1187 * will make the rule "ADH:SOME" and the cipher
1188 * "ADH-MY-CIPHER" look like a match for buflen=3.
1189 * So additionally check whether the cipher name found
1190 * has the correct length. We can save a strlen() call:
1191 * just checking for the '\0' at the right place is
1192 * sufficient, we have to strncmp() anyway. (We cannot
1193 * use strcmp(), because buf is not '\0' terminated.)
1197 while (ca_list
[j
]) {
1198 if (strncmp(buf
, ca_list
[j
]->name
, buflen
) == 0
1199 && (ca_list
[j
]->name
[buflen
] == '\0')) {
1207 break; /* ignore this entry */
1209 if (ca_list
[j
]->algorithm_mkey
) {
1211 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1217 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1220 if (ca_list
[j
]->algorithm_auth
) {
1222 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1228 alg_auth
= ca_list
[j
]->algorithm_auth
;
1231 if (ca_list
[j
]->algorithm_enc
) {
1233 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1239 alg_enc
= ca_list
[j
]->algorithm_enc
;
1242 if (ca_list
[j
]->algorithm_mac
) {
1244 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1250 alg_mac
= ca_list
[j
]->algorithm_mac
;
1253 if (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) {
1254 if (algo_strength
& SSL_EXP_MASK
) {
1256 (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) |
1258 if (!(algo_strength
& SSL_EXP_MASK
)) {
1263 algo_strength
|= ca_list
[j
]->algo_strength
& SSL_EXP_MASK
;
1266 if (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) {
1267 if (algo_strength
& SSL_STRONG_MASK
) {
1269 (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) |
1271 if (!(algo_strength
& SSL_STRONG_MASK
)) {
1277 ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
;
1280 if (ca_list
[j
]->valid
) {
1282 * explicit ciphersuite found; its protocol version does not
1283 * become part of the search pattern!
1286 cipher_id
= ca_list
[j
]->id
;
1289 * not an explicit ciphersuite; only in this case, the
1290 * protocol version is considered part of the search pattern
1293 if (ca_list
[j
]->algorithm_ssl
) {
1295 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1301 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1310 * Ok, we have the rule, now apply it
1312 if (rule
== CIPHER_SPECIAL
) { /* special command */
1314 if ((buflen
== 8) && strncmp(buf
, "STRENGTH", 8) == 0)
1315 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1316 else if (buflen
== 10 && strncmp(buf
, "SECLEVEL=", 9) == 0) {
1317 int level
= buf
[9] - '0';
1318 if (level
< 0 || level
> 5) {
1319 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1320 SSL_R_INVALID_COMMAND
);
1322 c
->sec_level
= level
;
1326 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1327 SSL_R_INVALID_COMMAND
);
1331 * We do not support any "multi" options
1332 * together with "@", so throw away the
1333 * rest of the command, if any left, until
1334 * end or ':' is found.
1336 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1339 ssl_cipher_apply_rule(cipher_id
,
1340 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1341 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1344 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1354 #ifndef OPENSSL_NO_EC
1355 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1356 const char **prule_str
)
1358 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1359 if (strcmp(*prule_str
, "SUITEB128") == 0)
1360 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1361 else if (strcmp(*prule_str
, "SUITEB128ONLY") == 0)
1362 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1363 else if (strcmp(*prule_str
, "SUITEB128C2") == 0) {
1365 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1366 } else if (strcmp(*prule_str
, "SUITEB192") == 0)
1367 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1370 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1371 c
->cert_flags
|= suiteb_flags
;
1373 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1377 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1379 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1380 if (meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
)
1381 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1382 SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1384 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1385 SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1388 # ifndef OPENSSL_NO_EC
1389 switch (suiteb_flags
) {
1390 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1392 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1395 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1397 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1398 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1400 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1401 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1404 /* Set auto ECDH parameter determination */
1405 c
->ecdh_tmp_auto
= 1;
1408 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1409 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1415 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1416 **cipher_list
, STACK_OF(SSL_CIPHER
)
1417 **cipher_list_by_id
,
1418 const char *rule_str
, CERT
*c
)
1420 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1421 unsigned long disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1423 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1425 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1426 const SSL_CIPHER
**ca_list
= NULL
;
1429 * Return with error if nothing to do.
1431 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1433 #ifndef OPENSSL_NO_EC
1434 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1439 * To reduce the work to do we only want to process the compiled
1440 * in algorithms, so we first get the mask of disabled ciphers.
1442 ssl_cipher_get_disabled(&disabled_mkey
, &disabled_auth
, &disabled_enc
,
1443 &disabled_mac
, &disabled_ssl
);
1446 * Now we have to collect the available ciphers from the compiled
1447 * in ciphers. We cannot get more than the number compiled in, so
1448 * it is used for allocation.
1450 num_of_ciphers
= ssl_method
->num_ciphers();
1452 fprintf(stderr
, "ssl_create_cipher_list() for %d ciphers\n",
1454 #endif /* KSSL_DEBUG */
1455 co_list
= OPENSSL_malloc(sizeof(*co_list
) * num_of_ciphers
);
1456 if (co_list
== NULL
) {
1457 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1458 return (NULL
); /* Failure */
1461 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1462 disabled_mkey
, disabled_auth
, disabled_enc
,
1463 disabled_mac
, disabled_ssl
, co_list
, &head
,
1466 /* Now arrange all ciphers by preference: */
1469 * Everything else being equal, prefer ephemeral ECDH over other key
1470 * exchange mechanisms
1472 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1474 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1477 /* AES is our preferred symmetric cipher */
1478 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1481 /* Temporarily enable everything else for sorting */
1482 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1484 /* Low priority for MD5 */
1485 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1489 * Move anonymous ciphers to the end. Usually, these will remain
1490 * disabled. (For applications that allow them, they aren't too bad, but
1491 * we prefer authenticated ciphers.)
1493 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1496 /* Move ciphers without forward secrecy to the end */
1497 ssl_cipher_apply_rule(0, 0, SSL_aECDH
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1500 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1503 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1505 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1507 ssl_cipher_apply_rule(0, SSL_kKRB5
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1510 /* RC4 is sort-of broken -- move the the end */
1511 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1515 * Now sort by symmetric encryption strength. The above ordering remains
1516 * in force within each class
1518 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1519 OPENSSL_free(co_list
);
1523 /* Now disable everything (maintaining the ordering!) */
1524 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1527 * We also need cipher aliases for selecting based on the rule_str.
1528 * There might be two types of entries in the rule_str: 1) names
1529 * of ciphers themselves 2) aliases for groups of ciphers.
1530 * For 1) we need the available ciphers and for 2) the cipher
1531 * groups of cipher_aliases added together in one list (otherwise
1532 * we would be happy with just the cipher_aliases table).
1534 num_of_group_aliases
= OSSL_NELEM(cipher_aliases
);
1535 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1536 ca_list
= OPENSSL_malloc(sizeof(*ca_list
) * num_of_alias_max
);
1537 if (ca_list
== NULL
) {
1538 OPENSSL_free(co_list
);
1539 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1540 return (NULL
); /* Failure */
1542 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1543 disabled_mkey
, disabled_auth
, disabled_enc
,
1544 disabled_mac
, disabled_ssl
, head
);
1547 * If the rule_string begins with DEFAULT, apply the default rule
1548 * before using the (possibly available) additional rules.
1552 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1553 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1554 &head
, &tail
, ca_list
, c
);
1560 if (ok
&& (strlen(rule_p
) > 0))
1561 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1563 OPENSSL_free(ca_list
); /* Not needed anymore */
1565 if (!ok
) { /* Rule processing failure */
1566 OPENSSL_free(co_list
);
1571 * Allocate new "cipherstack" for the result, return with error
1572 * if we cannot get one.
1574 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1575 OPENSSL_free(co_list
);
1580 * The cipher selection for the list is done. The ciphers are added
1581 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1583 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1585 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1586 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1587 OPENSSL_free(co_list
);
1588 sk_SSL_CIPHER_free(cipherstack
);
1592 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1596 OPENSSL_free(co_list
); /* Not needed any longer */
1598 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1599 if (tmp_cipher_list
== NULL
) {
1600 sk_SSL_CIPHER_free(cipherstack
);
1603 sk_SSL_CIPHER_free(*cipher_list
);
1604 *cipher_list
= cipherstack
;
1605 if (*cipher_list_by_id
!= NULL
)
1606 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1607 *cipher_list_by_id
= tmp_cipher_list
;
1608 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1609 ssl_cipher_ptr_id_cmp
);
1611 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1612 return (cipherstack
);
1615 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1617 int is_export
, pkl
, kl
;
1618 const char *ver
, *exp_str
;
1619 const char *kx
, *au
, *enc
, *mac
;
1620 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
;
1622 static const char *format
=
1623 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n";
1625 static const char *format
=
1626 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
1627 #endif /* KSSL_DEBUG */
1629 alg_mkey
= cipher
->algorithm_mkey
;
1630 alg_auth
= cipher
->algorithm_auth
;
1631 alg_enc
= cipher
->algorithm_enc
;
1632 alg_mac
= cipher
->algorithm_mac
;
1633 alg_ssl
= cipher
->algorithm_ssl
;
1635 is_export
= SSL_C_IS_EXPORT(cipher
);
1636 pkl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
1637 kl
= SSL_C_EXPORT_KEYLENGTH(cipher
);
1638 exp_str
= is_export
? " export" : "";
1640 if (alg_ssl
& SSL_SSLV3
)
1642 else if (alg_ssl
& SSL_TLSV1_2
)
1649 kx
= is_export
? (pkl
== 512 ? "RSA(512)" : "RSA(1024)") : "RSA";
1661 kx
= is_export
? (pkl
== 512 ? "DH(512)" : "DH(1024)") : "DH";
1726 enc
= (is_export
&& kl
== 5) ? "DES(40)" : "DES(56)";
1732 enc
= is_export
? (kl
== 5 ? "RC4(40)" : "RC4(56)") : "RC4(128)";
1735 enc
= is_export
? (kl
== 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)";
1750 enc
= "AESGCM(128)";
1753 enc
= "AESGCM(256)";
1755 case SSL_CAMELLIA128
:
1756 enc
= "Camellia(128)";
1758 case SSL_CAMELLIA256
:
1759 enc
= "Camellia(256)";
1764 case SSL_eGOST2814789CNT
:
1765 enc
= "GOST89(256)";
1801 buf
= OPENSSL_malloc(len
);
1803 return ("OPENSSL_malloc Error");
1804 } else if (len
< 128)
1805 return ("Buffer too small");
1808 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1809 exp_str
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
);
1811 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1813 #endif /* KSSL_DEBUG */
1817 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1823 i
= (int)(c
->id
>> 24L);
1825 return ("TLSv1/SSLv3");
1830 /* return the actual cipher being used */
1831 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1838 /* number of bits for symmetric cipher */
1839 int SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, int *alg_bits
)
1844 if (alg_bits
!= NULL
)
1845 *alg_bits
= c
->alg_bits
;
1846 ret
= c
->strength_bits
;
1851 unsigned long SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1856 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1861 if ((n
== 0) || (sk
== NULL
))
1863 nn
= sk_SSL_COMP_num(sk
);
1864 for (i
= 0; i
< nn
; i
++) {
1865 ctmp
= sk_SSL_COMP_value(sk
, i
);
1872 #ifdef OPENSSL_NO_COMP
1873 void *SSL_COMP_get_compression_methods(void)
1878 int SSL_COMP_add_compression_method(int id
, void *cm
)
1883 const char *SSL_COMP_get_name(const void *comp
)
1888 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1890 load_builtin_compressions();
1891 return (ssl_comp_methods
);
1894 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1897 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1898 ssl_comp_methods
= meths
;
1902 static void cmeth_free(SSL_COMP
*cm
)
1907 void SSL_COMP_free_compression_methods(void)
1909 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1910 ssl_comp_methods
= NULL
;
1911 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1914 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1918 if (cm
== NULL
|| cm
->type
== NID_undef
)
1922 * According to draft-ietf-tls-compression-04.txt, the
1923 * compression number ranges should be the following:
1925 * 0 to 63: methods defined by the IETF
1926 * 64 to 192: external party methods assigned by IANA
1927 * 193 to 255: reserved for private use
1929 if (id
< 193 || id
> 255) {
1930 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1931 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1936 comp
= OPENSSL_malloc(sizeof(*comp
));
1939 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1945 load_builtin_compressions();
1946 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
1949 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1950 SSL_R_DUPLICATE_COMPRESSION_ID
);
1952 } else if ((ssl_comp_methods
== NULL
)
1953 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
1956 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1964 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
1971 /* For a cipher return the index corresponding to the certificate type */
1972 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
1974 unsigned long alg_k
, alg_a
;
1976 alg_k
= c
->algorithm_mkey
;
1977 alg_a
= c
->algorithm_auth
;
1979 if (alg_k
& (SSL_kECDHr
| SSL_kECDHe
)) {
1981 * we don't need to look at SSL_kECDHE since no certificate is needed
1982 * for anon ECDH and for authenticated ECDHE, the check for the auth
1983 * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
1984 * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
1985 * checks for SSL_kECDH before RSA checks ensures the correct cert is
1988 return SSL_PKEY_ECC
;
1989 } else if (alg_a
& SSL_aECDSA
)
1990 return SSL_PKEY_ECC
;
1991 else if (alg_k
& SSL_kDHr
)
1992 return SSL_PKEY_DH_RSA
;
1993 else if (alg_k
& SSL_kDHd
)
1994 return SSL_PKEY_DH_DSA
;
1995 else if (alg_a
& SSL_aDSS
)
1996 return SSL_PKEY_DSA_SIGN
;
1997 else if (alg_a
& SSL_aRSA
)
1998 return SSL_PKEY_RSA_ENC
;
1999 else if (alg_a
& SSL_aKRB5
)
2000 /* VRS something else here? */
2002 else if (alg_a
& SSL_aGOST94
)
2003 return SSL_PKEY_GOST94
;
2004 else if (alg_a
& SSL_aGOST01
)
2005 return SSL_PKEY_GOST01
;
2009 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
2011 const SSL_CIPHER
*c
;
2012 c
= ssl
->method
->get_cipher_by_char(ptr
);
2013 if (c
== NULL
|| c
->valid
== 0)
2018 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
2020 return ssl
->method
->get_cipher_by_char(ptr
);
2023 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER
*c
)
2028 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
2031 return ssl_cipher_table_cipher
[i
].nid
;
2034 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER
*c
)
2039 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
2042 return ssl_cipher_table_mac
[i
].nid
;