2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
144 #include <openssl/objects.h>
145 #ifndef OPENSSL_NO_COMP
146 # include <openssl/comp.h>
148 #ifndef OPENSSL_NO_ENGINE
149 # include <openssl/engine.h>
151 #include "ssl_locl.h"
153 #define SSL_ENC_DES_IDX 0
154 #define SSL_ENC_3DES_IDX 1
155 #define SSL_ENC_RC4_IDX 2
156 #define SSL_ENC_RC2_IDX 3
157 #define SSL_ENC_IDEA_IDX 4
158 #define SSL_ENC_NULL_IDX 5
159 #define SSL_ENC_AES128_IDX 6
160 #define SSL_ENC_AES256_IDX 7
161 #define SSL_ENC_CAMELLIA128_IDX 8
162 #define SSL_ENC_CAMELLIA256_IDX 9
163 #define SSL_ENC_GOST89_IDX 10
164 #define SSL_ENC_SEED_IDX 11
165 #define SSL_ENC_AES128GCM_IDX 12
166 #define SSL_ENC_AES256GCM_IDX 13
167 #define SSL_ENC_AES128CCM_IDX 14
168 #define SSL_ENC_AES256CCM_IDX 15
169 #define SSL_ENC_AES128CCM8_IDX 16
170 #define SSL_ENC_AES256CCM8_IDX 17
171 #define SSL_ENC_GOST8912_IDX 18
172 #define SSL_ENC_NUM_IDX 19
174 /* NB: make sure indices in these tables match values above */
181 /* Table of NIDs for each cipher */
182 static const ssl_cipher_table ssl_cipher_table_cipher
[SSL_ENC_NUM_IDX
] = {
183 {SSL_DES
, NID_des_cbc
}, /* SSL_ENC_DES_IDX 0 */
184 {SSL_3DES
, NID_des_ede3_cbc
}, /* SSL_ENC_3DES_IDX 1 */
185 {SSL_RC4
, NID_rc4
}, /* SSL_ENC_RC4_IDX 2 */
186 {SSL_RC2
, NID_rc2_cbc
}, /* SSL_ENC_RC2_IDX 3 */
187 {SSL_IDEA
, NID_idea_cbc
}, /* SSL_ENC_IDEA_IDX 4 */
188 {SSL_eNULL
, NID_undef
}, /* SSL_ENC_NULL_IDX 5 */
189 {SSL_AES128
, NID_aes_128_cbc
}, /* SSL_ENC_AES128_IDX 6 */
190 {SSL_AES256
, NID_aes_256_cbc
}, /* SSL_ENC_AES256_IDX 7 */
191 {SSL_CAMELLIA128
, NID_camellia_128_cbc
}, /* SSL_ENC_CAMELLIA128_IDX 8 */
192 {SSL_CAMELLIA256
, NID_camellia_256_cbc
}, /* SSL_ENC_CAMELLIA256_IDX 9 */
193 {SSL_eGOST2814789CNT
, NID_gost89_cnt
}, /* SSL_ENC_GOST89_IDX 10 */
194 {SSL_SEED
, NID_seed_cbc
}, /* SSL_ENC_SEED_IDX 11 */
195 {SSL_AES128GCM
, NID_aes_128_gcm
}, /* SSL_ENC_AES128GCM_IDX 12 */
196 {SSL_AES256GCM
, NID_aes_256_gcm
}, /* SSL_ENC_AES256GCM_IDX 13 */
197 {SSL_AES128CCM
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM_IDX 14 */
198 {SSL_AES256CCM
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM_IDX 15 */
199 {SSL_AES128CCM8
, NID_aes_128_ccm
}, /* SSL_ENC_AES128CCM8_IDX 16 */
200 {SSL_AES256CCM8
, NID_aes_256_ccm
}, /* SSL_ENC_AES256CCM8_IDX 17 */
201 {SSL_eGOST2814789CNT12
, NID_gost89_cnt_12
}, /* SSL_ENC_GOST8912_IDX */
204 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
205 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
209 #define SSL_COMP_NULL_IDX 0
210 #define SSL_COMP_ZLIB_IDX 1
211 #define SSL_COMP_NUM_IDX 2
213 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
215 #define SSL_MD_MD5_IDX 0
216 #define SSL_MD_SHA1_IDX 1
217 #define SSL_MD_GOST94_IDX 2
218 #define SSL_MD_GOST89MAC_IDX 3
219 #define SSL_MD_SHA256_IDX 4
220 #define SSL_MD_SHA384_IDX 5
221 #define SSL_MD_GOST12_256_IDX 6
222 #define SSL_MD_GOST89MAC12_IDX 7
223 #define SSL_MD_GOST12_512_IDX 8
225 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
229 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
231 /* NB: make sure indices in this table matches values above */
232 static const ssl_cipher_table ssl_cipher_table_mac
[SSL_MD_NUM_IDX
] = {
233 {SSL_MD5
, NID_md5
}, /* SSL_MD_MD5_IDX 0 */
234 {SSL_SHA1
, NID_sha1
}, /* SSL_MD_SHA1_IDX 1 */
235 {SSL_GOST94
, NID_id_GostR3411_94
}, /* SSL_MD_GOST94_IDX 2 */
236 {SSL_GOST89MAC
, NID_id_Gost28147_89_MAC
}, /* SSL_MD_GOST89MAC_IDX 3 */
237 {SSL_SHA256
, NID_sha256
}, /* SSL_MD_SHA256_IDX 4 */
238 {SSL_SHA384
, NID_sha384
}, /* SSL_MD_SHA384_IDX 5 */
239 {SSL_GOST12_256
, NID_id_GostR3411_2012_256
}, /* SSL_MD_GOST12_256_IDX 6 */
240 {SSL_GOST89MAC12
, NID_gost_mac_12
}, /* SSL_MD_GOST89MAC12_IDX 7 */
241 {SSL_GOST12_512
, NID_id_GostR3411_2012_512
} /* SSL_MD_GOST12_512_IDX 8 */
244 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
245 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
248 /* Utility function for table lookup */
249 static int ssl_cipher_info_find(const ssl_cipher_table
* table
,
250 size_t table_cnt
, uint32_t mask
)
253 for (i
= 0; i
< table_cnt
; i
++, table
++) {
254 if (table
->mask
== mask
)
260 #define ssl_cipher_info_lookup(table, x) \
261 ssl_cipher_info_find(table, OSSL_NELEM(table), x)
264 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
265 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
268 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
269 /* MD5, SHA, GOST94, MAC89 */
270 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
271 /* SHA256, SHA384, GOST2012_256, MAC89-12 */
272 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
277 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
278 0, 0, 0, 0, 0, 0, 0, 0, 0
281 static const int ssl_handshake_digest_flag
[SSL_MD_NUM_IDX
] = {
282 SSL_HANDSHAKE_MAC_MD5
, SSL_HANDSHAKE_MAC_SHA
,
283 SSL_HANDSHAKE_MAC_GOST94
, 0, SSL_HANDSHAKE_MAC_SHA256
,
284 SSL_HANDSHAKE_MAC_SHA384
, SSL_HANDSHAKE_MAC_GOST12_256
, 0,
285 SSL_HANDSHAKE_MAC_GOST12_512
,
289 #define CIPHER_KILL 2
292 #define CIPHER_SPECIAL 5
294 typedef struct cipher_order_st
{
295 const SSL_CIPHER
*cipher
;
298 struct cipher_order_st
*next
, *prev
;
301 static const SSL_CIPHER cipher_aliases
[] = {
302 /* "ALL" doesn't include eNULL (must be specifically enabled) */
303 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
304 /* "COMPLEMENTOFALL" */
305 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
308 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
311 {0, SSL_TXT_CMPDEF
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_NOT_DEFAULT
, 0, 0, 0},
314 * key exchange aliases (some of those using only a single bit here
315 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
316 * combines DHE_DSS and DHE_RSA)
318 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
320 {0, SSL_TXT_kDHr
, 0, SSL_kDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
321 {0, SSL_TXT_kDHd
, 0, SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
322 {0, SSL_TXT_kDH
, 0, SSL_kDHr
| SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
323 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
324 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
325 {0, SSL_TXT_DH
, 0, SSL_kDHr
| SSL_kDHd
| SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
328 {0, SSL_TXT_kECDHr
, 0, SSL_kECDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
329 {0, SSL_TXT_kECDHe
, 0, SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
330 {0, SSL_TXT_kECDH
, 0, SSL_kECDHr
| SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
331 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
332 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
333 {0, SSL_TXT_ECDH
, 0, SSL_kECDHr
| SSL_kECDHe
| SSL_kECDHE
, 0, 0, 0, 0, 0,
336 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
337 {0, SSL_TXT_kRSAPSK
, 0, SSL_kRSAPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
338 {0, SSL_TXT_kECDHEPSK
, 0, SSL_kECDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
339 {0, SSL_TXT_kDHEPSK
, 0, SSL_kDHEPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
340 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
341 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
343 /* server authentication aliases */
344 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
345 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
346 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
347 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
348 /* no such ciphersuites supported! */
349 {0, SSL_TXT_aDH
, 0, 0, SSL_aDH
, 0, 0, 0, 0, 0, 0, 0},
350 {0, SSL_TXT_aECDH
, 0, 0, SSL_aECDH
, 0, 0, 0, 0, 0, 0, 0},
351 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
352 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
353 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
354 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
355 {0, SSL_TXT_aGOST12
, 0, 0, SSL_aGOST12
, 0, 0, 0, 0, 0, 0, 0},
356 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST01
| SSL_aGOST12
, 0, 0, 0,
358 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
360 /* aliases combining key exchange and server authentication */
361 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
362 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
363 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
364 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
365 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
366 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
367 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
368 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
369 {0, SSL_TXT_PSK
, 0, SSL_PSK
, 0, 0, 0, 0, 0, 0, 0, 0},
370 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
372 /* symmetric encryption aliases */
373 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
374 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
375 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
376 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
377 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
378 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
379 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
380 {0, SSL_TXT_GOST
, 0, 0, 0, SSL_eGOST2814789CNT
| SSL_eGOST2814789CNT12
, 0,
382 {0, SSL_TXT_AES128
, 0, 0, 0, SSL_AES128
| SSL_AES128GCM
| SSL_AES128CCM
| SSL_AES128CCM8
, 0,
384 {0, SSL_TXT_AES256
, 0, 0, 0, SSL_AES256
| SSL_AES256GCM
| SSL_AES256CCM
| SSL_AES256CCM8
, 0,
386 {0, SSL_TXT_AES
, 0, 0, 0, SSL_AES
, 0, 0, 0, 0, 0, 0},
387 {0, SSL_TXT_AES_GCM
, 0, 0, 0, SSL_AES128GCM
| SSL_AES256GCM
, 0, 0, 0, 0,
389 {0, SSL_TXT_AES_CCM
, 0, 0, 0, SSL_AES128CCM
| SSL_AES256CCM
| SSL_AES128CCM8
| SSL_AES256CCM8
, 0, 0, 0, 0,
391 {0, SSL_TXT_AES_CCM_8
, 0, 0, 0, SSL_AES128CCM8
| SSL_AES256CCM8
, 0, 0, 0, 0,
393 {0, SSL_TXT_CAMELLIA128
, 0, 0, 0, SSL_CAMELLIA128
, 0, 0, 0, 0, 0, 0},
394 {0, SSL_TXT_CAMELLIA256
, 0, 0, 0, SSL_CAMELLIA256
, 0, 0, 0, 0, 0, 0},
395 {0, SSL_TXT_CAMELLIA
, 0, 0, 0, SSL_CAMELLIA128
| SSL_CAMELLIA256
, 0, 0, 0,
399 {0, SSL_TXT_MD5
, 0, 0, 0, 0, SSL_MD5
, 0, 0, 0, 0, 0},
400 {0, SSL_TXT_SHA1
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
401 {0, SSL_TXT_SHA
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
402 {0, SSL_TXT_GOST94
, 0, 0, 0, 0, SSL_GOST94
, 0, 0, 0, 0, 0},
403 {0, SSL_TXT_GOST89MAC
, 0, 0, 0, 0, SSL_GOST89MAC
| SSL_GOST89MAC12
, 0, 0,
405 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
406 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
407 {0, SSL_TXT_GOST12
, 0, 0, 0, 0, SSL_GOST12_256
, 0, 0, 0, 0, 0},
409 /* protocol version aliases */
410 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
411 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
412 {0, "TLSv1.0", 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
413 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
416 {0, SSL_TXT_EXP
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
417 {0, SSL_TXT_EXPORT
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
419 /* strength classes */
420 {0, SSL_TXT_EXP40
, 0, 0, 0, 0, 0, 0, SSL_EXP40
, 0, 0, 0},
421 {0, SSL_TXT_EXP56
, 0, 0, 0, 0, 0, 0, SSL_EXP56
, 0, 0, 0},
422 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
423 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
424 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
425 /* FIPS 140-2 approved ciphersuite */
426 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
428 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
429 {0, SSL3_TXT_EDH_DSS_DES_40_CBC_SHA
, 0,
430 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
432 {0, SSL3_TXT_EDH_DSS_DES_64_CBC_SHA
, 0,
433 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
435 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
436 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
437 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
438 {0, SSL3_TXT_EDH_RSA_DES_40_CBC_SHA
, 0,
439 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
441 {0, SSL3_TXT_EDH_RSA_DES_64_CBC_SHA
, 0,
442 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
444 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
445 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
446 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
451 * Search for public key algorithm with given name and return its pkey_id if
452 * it is available. Otherwise return 0
454 #ifdef OPENSSL_NO_ENGINE
456 static int get_optional_pkey_id(const char *pkey_name
)
458 const EVP_PKEY_ASN1_METHOD
*ameth
;
460 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
461 if (ameth
&& EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
,
470 static int get_optional_pkey_id(const char *pkey_name
)
472 const EVP_PKEY_ASN1_METHOD
*ameth
;
473 ENGINE
*tmpeng
= NULL
;
475 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, pkey_name
, -1);
477 if (EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
,
482 ENGINE_finish(tmpeng
);
488 /* masks of disabled algorithms */
489 static uint32_t disabled_enc_mask
;
490 static uint32_t disabled_mac_mask
;
491 static uint32_t disabled_mkey_mask
;
492 static uint32_t disabled_auth_mask
;
494 void ssl_load_ciphers(void)
497 const ssl_cipher_table
*t
;
498 disabled_enc_mask
= 0;
499 for (i
= 0, t
= ssl_cipher_table_cipher
; i
< SSL_ENC_NUM_IDX
; i
++, t
++) {
500 if (t
->nid
== NID_undef
) {
501 ssl_cipher_methods
[i
] = NULL
;
503 const EVP_CIPHER
*cipher
= EVP_get_cipherbynid(t
->nid
);
504 ssl_cipher_methods
[i
] = cipher
;
506 disabled_enc_mask
|= t
->mask
;
509 #ifdef SSL_FORBID_ENULL
510 disabled_enc_mask
|= SSL_eNULL
;
512 disabled_mac_mask
= 0;
513 for (i
= 0, t
= ssl_cipher_table_mac
; i
< SSL_MD_NUM_IDX
; i
++, t
++) {
514 const EVP_MD
*md
= EVP_get_digestbynid(t
->nid
);
515 ssl_digest_methods
[i
] = md
;
517 disabled_mac_mask
|= t
->mask
;
519 ssl_mac_secret_size
[i
] = EVP_MD_size(md
);
520 OPENSSL_assert(ssl_mac_secret_size
[i
] >= 0);
523 /* Make sure we can access MD5 and SHA1 */
524 OPENSSL_assert(ssl_digest_methods
[SSL_MD_MD5_IDX
] != NULL
);
525 OPENSSL_assert(ssl_digest_methods
[SSL_MD_SHA1_IDX
] != NULL
);
527 disabled_mkey_mask
= 0;
528 disabled_auth_mask
= 0;
530 #ifdef OPENSSL_NO_RSA
531 disabled_mkey_mask
|= SSL_kRSA
| SSL_kRSAPSK
;
532 disabled_auth_mask
|= SSL_aRSA
;
534 #ifdef OPENSSL_NO_DSA
535 disabled_auth_mask
|= SSL_aDSS
;
538 disabled_mkey_mask
|= SSL_kDHr
| SSL_kDHd
| SSL_kDHE
| SSL_kDHEPSK
;
539 disabled_auth_mask
|= SSL_aDH
;
542 disabled_mkey_mask
|= SSL_kECDHe
| SSL_kECDHr
| SSL_kECDHEPSK
;
543 disabled_auth_mask
|= SSL_aECDSA
| SSL_aECDH
;
545 #ifdef OPENSSL_NO_PSK
546 disabled_mkey_mask
|= SSL_PSK
;
547 disabled_auth_mask
|= SSL_aPSK
;
549 #ifdef OPENSSL_NO_SRP
550 disabled_mkey_mask
|= SSL_kSRP
;
554 * Check for presence of GOST 34.10 algorithms, and if they are not
555 * present, disable appropriate auth and key exchange
557 ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] = get_optional_pkey_id("gost-mac");
558 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
]) {
559 ssl_mac_secret_size
[SSL_MD_GOST89MAC_IDX
] = 32;
561 disabled_mac_mask
|= SSL_GOST89MAC
;
564 ssl_mac_pkey_id
[SSL_MD_GOST89MAC12_IDX
] = get_optional_pkey_id("gost-mac-12");
565 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC12_IDX
]) {
566 ssl_mac_secret_size
[SSL_MD_GOST89MAC12_IDX
] = 32;
568 disabled_mac_mask
|= SSL_GOST89MAC12
;
571 if (!get_optional_pkey_id("gost2001"))
572 disabled_auth_mask
|= SSL_aGOST01
| SSL_aGOST12
;
573 if (!get_optional_pkey_id("gost2012_256"))
574 disabled_auth_mask
|= SSL_aGOST12
;
575 if (!get_optional_pkey_id("gost2012_512"))
576 disabled_auth_mask
|= SSL_aGOST12
;
578 * Disable GOST key exchange if no GOST signature algs are available *
580 if ((disabled_auth_mask
& (SSL_aGOST01
| SSL_aGOST12
)) == (SSL_aGOST01
| SSL_aGOST12
))
581 disabled_mkey_mask
|= SSL_kGOST
;
584 #ifndef OPENSSL_NO_COMP
586 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
588 return ((*a
)->id
- (*b
)->id
);
591 static void load_builtin_compressions(void)
593 int got_write_lock
= 0;
595 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
596 if (ssl_comp_methods
== NULL
) {
597 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
598 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
601 if (ssl_comp_methods
== NULL
) {
602 SSL_COMP
*comp
= NULL
;
603 COMP_METHOD
*method
= COMP_zlib();
606 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
607 if (COMP_get_type(method
) != NID_undef
608 && ssl_comp_methods
!= NULL
) {
609 comp
= OPENSSL_malloc(sizeof(*comp
));
611 comp
->method
= method
;
612 comp
->id
= SSL_COMP_ZLIB_IDX
;
613 comp
->name
= COMP_get_name(method
);
614 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
615 sk_SSL_COMP_sort(ssl_comp_methods
);
623 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
625 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
629 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
630 const EVP_MD
**md
, int *mac_pkey_type
,
631 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
641 #ifndef OPENSSL_NO_COMP
642 load_builtin_compressions();
646 ctmp
.id
= s
->compress_meth
;
647 if (ssl_comp_methods
!= NULL
) {
648 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
650 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
654 /* If were only interested in comp then return success */
655 if ((enc
== NULL
) && (md
== NULL
))
659 if ((enc
== NULL
) || (md
== NULL
))
662 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
667 if (i
== SSL_ENC_NULL_IDX
)
668 *enc
= EVP_enc_null();
670 *enc
= ssl_cipher_methods
[i
];
673 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
676 if (mac_pkey_type
!= NULL
)
677 *mac_pkey_type
= NID_undef
;
678 if (mac_secret_size
!= NULL
)
679 *mac_secret_size
= 0;
680 if (c
->algorithm_mac
== SSL_AEAD
)
681 mac_pkey_type
= NULL
;
683 *md
= ssl_digest_methods
[i
];
684 if (mac_pkey_type
!= NULL
)
685 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
686 if (mac_secret_size
!= NULL
)
687 *mac_secret_size
= ssl_mac_secret_size
[i
];
690 if ((*enc
!= NULL
) &&
691 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
692 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
693 const EVP_CIPHER
*evp
;
698 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
699 s
->ssl_version
< TLS1_VERSION
)
705 if (c
->algorithm_enc
== SSL_RC4
&&
706 c
->algorithm_mac
== SSL_MD5
&&
707 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
708 *enc
= evp
, *md
= NULL
;
709 else if (c
->algorithm_enc
== SSL_AES128
&&
710 c
->algorithm_mac
== SSL_SHA1
&&
711 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
712 *enc
= evp
, *md
= NULL
;
713 else if (c
->algorithm_enc
== SSL_AES256
&&
714 c
->algorithm_mac
== SSL_SHA1
&&
715 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
716 *enc
= evp
, *md
= NULL
;
717 else if (c
->algorithm_enc
== SSL_AES128
&&
718 c
->algorithm_mac
== SSL_SHA256
&&
719 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
720 *enc
= evp
, *md
= NULL
;
721 else if (c
->algorithm_enc
== SSL_AES256
&&
722 c
->algorithm_mac
== SSL_SHA256
&&
723 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
724 *enc
= evp
, *md
= NULL
;
730 int ssl_get_handshake_digest(int idx
, long *mask
, const EVP_MD
**md
)
732 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
) {
735 *mask
= ssl_handshake_digest_flag
[idx
];
737 *md
= ssl_digest_methods
[idx
];
743 #define ITEM_SEP(a) \
744 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
746 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
753 if (curr
->prev
!= NULL
)
754 curr
->prev
->next
= curr
->next
;
755 if (curr
->next
!= NULL
)
756 curr
->next
->prev
= curr
->prev
;
757 (*tail
)->next
= curr
;
763 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
770 if (curr
->next
!= NULL
)
771 curr
->next
->prev
= curr
->prev
;
772 if (curr
->prev
!= NULL
)
773 curr
->prev
->next
= curr
->next
;
774 (*head
)->prev
= curr
;
780 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
782 uint32_t disabled_mkey
,
783 uint32_t disabled_auth
,
784 uint32_t disabled_enc
,
785 uint32_t disabled_mac
,
786 uint32_t disabled_ssl
,
787 CIPHER_ORDER
*co_list
,
788 CIPHER_ORDER
**head_p
,
789 CIPHER_ORDER
**tail_p
)
795 * We have num_of_ciphers descriptions compiled in, depending on the
796 * method selected (SSLv3, TLSv1 etc).
797 * These will later be sorted in a linked list with at most num
801 /* Get the initial list of ciphers */
802 co_list_num
= 0; /* actual count of ciphers */
803 for (i
= 0; i
< num_of_ciphers
; i
++) {
804 c
= ssl_method
->get_cipher(i
);
805 /* drop those that use any of that is not available */
806 if ((c
!= NULL
) && c
->valid
&&
807 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
808 !(c
->algorithm_mkey
& disabled_mkey
) &&
809 !(c
->algorithm_auth
& disabled_auth
) &&
810 !(c
->algorithm_enc
& disabled_enc
) &&
811 !(c
->algorithm_mac
& disabled_mac
) &&
812 !(c
->algorithm_ssl
& disabled_ssl
)) {
813 co_list
[co_list_num
].cipher
= c
;
814 co_list
[co_list_num
].next
= NULL
;
815 co_list
[co_list_num
].prev
= NULL
;
816 co_list
[co_list_num
].active
= 0;
819 * if (!sk_push(ca_list,(char *)c)) goto err;
825 * Prepare linked list from list entries
827 if (co_list_num
> 0) {
828 co_list
[0].prev
= NULL
;
830 if (co_list_num
> 1) {
831 co_list
[0].next
= &co_list
[1];
833 for (i
= 1; i
< co_list_num
- 1; i
++) {
834 co_list
[i
].prev
= &co_list
[i
- 1];
835 co_list
[i
].next
= &co_list
[i
+ 1];
838 co_list
[co_list_num
- 1].prev
= &co_list
[co_list_num
- 2];
841 co_list
[co_list_num
- 1].next
= NULL
;
843 *head_p
= &co_list
[0];
844 *tail_p
= &co_list
[co_list_num
- 1];
848 static void ssl_cipher_collect_aliases(const SSL_CIPHER
**ca_list
,
849 int num_of_group_aliases
,
850 uint32_t disabled_mkey
,
851 uint32_t disabled_auth
,
852 uint32_t disabled_enc
,
853 uint32_t disabled_mac
,
854 uint32_t disabled_ssl
,
857 CIPHER_ORDER
*ciph_curr
;
858 const SSL_CIPHER
**ca_curr
;
860 uint32_t mask_mkey
= ~disabled_mkey
;
861 uint32_t mask_auth
= ~disabled_auth
;
862 uint32_t mask_enc
= ~disabled_enc
;
863 uint32_t mask_mac
= ~disabled_mac
;
864 uint32_t mask_ssl
= ~disabled_ssl
;
867 * First, add the real ciphers as already collected
871 while (ciph_curr
!= NULL
) {
872 *ca_curr
= ciph_curr
->cipher
;
874 ciph_curr
= ciph_curr
->next
;
878 * Now we add the available ones from the cipher_aliases[] table.
879 * They represent either one or more algorithms, some of which
880 * in any affected category must be supported (set in enabled_mask),
881 * or represent a cipher strength value (will be added in any case because algorithms=0).
883 for (i
= 0; i
< num_of_group_aliases
; i
++) {
884 uint32_t algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
885 uint32_t algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
886 uint32_t algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
887 uint32_t algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
888 uint32_t algorithm_ssl
= cipher_aliases
[i
].algorithm_ssl
;
891 if ((algorithm_mkey
& mask_mkey
) == 0)
895 if ((algorithm_auth
& mask_auth
) == 0)
899 if ((algorithm_enc
& mask_enc
) == 0)
903 if ((algorithm_mac
& mask_mac
) == 0)
907 if ((algorithm_ssl
& mask_ssl
) == 0)
910 *ca_curr
= (SSL_CIPHER
*)(cipher_aliases
+ i
);
914 *ca_curr
= NULL
; /* end of list */
917 static void ssl_cipher_apply_rule(uint32_t cipher_id
, uint32_t alg_mkey
,
918 uint32_t alg_auth
, uint32_t alg_enc
,
919 uint32_t alg_mac
, uint32_t alg_ssl
,
920 uint32_t algo_strength
, int rule
,
921 int32_t strength_bits
, CIPHER_ORDER
**head_p
,
922 CIPHER_ORDER
**tail_p
)
924 CIPHER_ORDER
*head
, *tail
, *curr
, *next
, *last
;
925 const SSL_CIPHER
*cp
;
930 "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
931 rule
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
932 algo_strength
, strength_bits
);
935 if (rule
== CIPHER_DEL
)
936 reverse
= 1; /* needed to maintain sorting between
937 * currently deleted ciphers */
960 next
= reverse
? curr
->prev
: curr
->next
;
965 * Selection criteria is either the value of strength_bits
966 * or the algorithms used.
968 if (strength_bits
>= 0) {
969 if (strength_bits
!= cp
->strength_bits
)
974 "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n",
975 cp
->name
, cp
->algorithm_mkey
, cp
->algorithm_auth
,
976 cp
->algorithm_enc
, cp
->algorithm_mac
, cp
->algorithm_ssl
,
979 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
980 if (cipher_id
&& cipher_id
!= cp
->id
)
983 if (alg_mkey
&& !(alg_mkey
& cp
->algorithm_mkey
))
985 if (alg_auth
&& !(alg_auth
& cp
->algorithm_auth
))
987 if (alg_enc
&& !(alg_enc
& cp
->algorithm_enc
))
989 if (alg_mac
&& !(alg_mac
& cp
->algorithm_mac
))
991 if (alg_ssl
&& !(alg_ssl
& cp
->algorithm_ssl
))
993 if ((algo_strength
& SSL_EXP_MASK
)
994 && !(algo_strength
& SSL_EXP_MASK
& cp
->algo_strength
))
996 if ((algo_strength
& SSL_STRONG_MASK
)
997 && !(algo_strength
& SSL_STRONG_MASK
& cp
->algo_strength
))
999 if ((algo_strength
& SSL_DEFAULT_MASK
)
1000 && !(algo_strength
& SSL_DEFAULT_MASK
& cp
->algo_strength
))
1005 fprintf(stderr
, "Action = %d\n", rule
);
1008 /* add the cipher if it has not been added yet. */
1009 if (rule
== CIPHER_ADD
) {
1011 if (!curr
->active
) {
1012 ll_append_tail(&head
, curr
, &tail
);
1016 /* Move the added cipher to this location */
1017 else if (rule
== CIPHER_ORD
) {
1020 ll_append_tail(&head
, curr
, &tail
);
1022 } else if (rule
== CIPHER_DEL
) {
1026 * most recently deleted ciphersuites get best positions for
1027 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
1028 * in reverse to maintain the order)
1030 ll_append_head(&head
, curr
, &tail
);
1033 } else if (rule
== CIPHER_KILL
) {
1038 curr
->prev
->next
= curr
->next
;
1042 if (curr
->next
!= NULL
)
1043 curr
->next
->prev
= curr
->prev
;
1044 if (curr
->prev
!= NULL
)
1045 curr
->prev
->next
= curr
->next
;
1055 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1056 CIPHER_ORDER
**tail_p
)
1058 int32_t max_strength_bits
;
1059 int i
, *number_uses
;
1063 * This routine sorts the ciphers with descending strength. The sorting
1064 * must keep the pre-sorted sequence, so we apply the normal sorting
1065 * routine as '+' movement to the end of the list.
1067 max_strength_bits
= 0;
1069 while (curr
!= NULL
) {
1070 if (curr
->active
&& (curr
->cipher
->strength_bits
> max_strength_bits
))
1071 max_strength_bits
= curr
->cipher
->strength_bits
;
1075 number_uses
= OPENSSL_zalloc(sizeof(int) * (max_strength_bits
+ 1));
1076 if (number_uses
== NULL
) {
1077 SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT
, ERR_R_MALLOC_FAILURE
);
1082 * Now find the strength_bits values actually used
1085 while (curr
!= NULL
) {
1087 number_uses
[curr
->cipher
->strength_bits
]++;
1091 * Go through the list of used strength_bits values in descending
1094 for (i
= max_strength_bits
; i
>= 0; i
--)
1095 if (number_uses
[i
] > 0)
1096 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD
, i
, head_p
,
1099 OPENSSL_free(number_uses
);
1103 static int ssl_cipher_process_rulestr(const char *rule_str
,
1104 CIPHER_ORDER
**head_p
,
1105 CIPHER_ORDER
**tail_p
,
1106 const SSL_CIPHER
**ca_list
, CERT
*c
)
1108 uint32_t alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
, algo_strength
;
1109 const char *l
, *buf
;
1110 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1111 uint32_t cipher_id
= 0;
1124 } else if (ch
== '+') {
1127 } else if (ch
== '!') {
1130 } else if (ch
== '@') {
1131 rule
= CIPHER_SPECIAL
;
1153 #ifndef CHARSET_EBCDIC
1154 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1155 ((ch
>= '0') && (ch
<= '9')) ||
1156 ((ch
>= 'a') && (ch
<= 'z')) ||
1157 (ch
== '-') || (ch
== '.') || (ch
== '='))
1159 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1168 * We hit something we cannot deal with,
1169 * it is no command or separator nor
1170 * alphanumeric, so we call this an error.
1172 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1173 SSL_R_INVALID_COMMAND
);
1179 if (rule
== CIPHER_SPECIAL
) {
1180 found
= 0; /* unused -- avoid compiler warning */
1181 break; /* special treatment */
1184 /* check for multi-part specification */
1192 * Now search for the cipher alias in the ca_list. Be careful
1193 * with the strncmp, because the "buflen" limitation
1194 * will make the rule "ADH:SOME" and the cipher
1195 * "ADH-MY-CIPHER" look like a match for buflen=3.
1196 * So additionally check whether the cipher name found
1197 * has the correct length. We can save a strlen() call:
1198 * just checking for the '\0' at the right place is
1199 * sufficient, we have to strncmp() anyway. (We cannot
1200 * use strcmp(), because buf is not '\0' terminated.)
1204 while (ca_list
[j
]) {
1205 if (strncmp(buf
, ca_list
[j
]->name
, buflen
) == 0
1206 && (ca_list
[j
]->name
[buflen
] == '\0')) {
1214 break; /* ignore this entry */
1216 if (ca_list
[j
]->algorithm_mkey
) {
1218 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1224 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1227 if (ca_list
[j
]->algorithm_auth
) {
1229 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1235 alg_auth
= ca_list
[j
]->algorithm_auth
;
1238 if (ca_list
[j
]->algorithm_enc
) {
1240 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1246 alg_enc
= ca_list
[j
]->algorithm_enc
;
1249 if (ca_list
[j
]->algorithm_mac
) {
1251 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1257 alg_mac
= ca_list
[j
]->algorithm_mac
;
1260 if (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) {
1261 if (algo_strength
& SSL_EXP_MASK
) {
1263 (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) |
1265 if (!(algo_strength
& SSL_EXP_MASK
)) {
1270 algo_strength
|= ca_list
[j
]->algo_strength
& SSL_EXP_MASK
;
1273 if (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) {
1274 if (algo_strength
& SSL_STRONG_MASK
) {
1276 (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) |
1278 if (!(algo_strength
& SSL_STRONG_MASK
)) {
1284 ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
;
1287 if (ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
) {
1288 if (algo_strength
& SSL_DEFAULT_MASK
) {
1290 (ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
) |
1292 if (!(algo_strength
& SSL_DEFAULT_MASK
)) {
1298 ca_list
[j
]->algo_strength
& SSL_DEFAULT_MASK
;
1301 if (ca_list
[j
]->valid
) {
1303 * explicit ciphersuite found; its protocol version does not
1304 * become part of the search pattern!
1307 cipher_id
= ca_list
[j
]->id
;
1310 * not an explicit ciphersuite; only in this case, the
1311 * protocol version is considered part of the search pattern
1314 if (ca_list
[j
]->algorithm_ssl
) {
1316 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1322 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1331 * Ok, we have the rule, now apply it
1333 if (rule
== CIPHER_SPECIAL
) { /* special command */
1335 if ((buflen
== 8) && strncmp(buf
, "STRENGTH", 8) == 0)
1336 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1337 else if (buflen
== 10 && strncmp(buf
, "SECLEVEL=", 9) == 0) {
1338 int level
= buf
[9] - '0';
1339 if (level
< 0 || level
> 5) {
1340 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1341 SSL_R_INVALID_COMMAND
);
1343 c
->sec_level
= level
;
1347 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1348 SSL_R_INVALID_COMMAND
);
1352 * We do not support any "multi" options
1353 * together with "@", so throw away the
1354 * rest of the command, if any left, until
1355 * end or ':' is found.
1357 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1360 ssl_cipher_apply_rule(cipher_id
,
1361 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1362 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1365 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1375 #ifndef OPENSSL_NO_EC
1376 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1377 const char **prule_str
)
1379 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1380 if (strncmp(*prule_str
, "SUITEB128ONLY", 13) == 0) {
1381 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1382 } else if (strncmp(*prule_str
, "SUITEB128C2", 11) == 0) {
1384 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1385 } else if (strncmp(*prule_str
, "SUITEB128", 9) == 0) {
1386 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1387 } else if (strncmp(*prule_str
, "SUITEB192", 9) == 0) {
1388 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1392 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1393 c
->cert_flags
|= suiteb_flags
;
1395 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1399 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1401 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1402 if (meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
)
1403 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1404 SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1406 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1407 SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1410 # ifndef OPENSSL_NO_EC
1411 switch (suiteb_flags
) {
1412 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1414 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1417 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1419 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1420 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1422 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1423 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1426 /* Set auto ECDH parameter determination */
1427 c
->ecdh_tmp_auto
= 1;
1430 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1431 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1437 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1438 **cipher_list
, STACK_OF(SSL_CIPHER
)
1439 **cipher_list_by_id
,
1440 const char *rule_str
, CERT
*c
)
1442 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1443 uint32_t disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1445 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1447 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1448 const SSL_CIPHER
**ca_list
= NULL
;
1451 * Return with error if nothing to do.
1453 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1455 #ifndef OPENSSL_NO_EC
1456 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1461 * To reduce the work to do we only want to process the compiled
1462 * in algorithms, so we first get the mask of disabled ciphers.
1465 disabled_mkey
= disabled_mkey_mask
;
1466 disabled_auth
= disabled_auth_mask
;
1467 disabled_enc
= disabled_enc_mask
;
1468 disabled_mac
= disabled_mac_mask
;
1472 * Now we have to collect the available ciphers from the compiled
1473 * in ciphers. We cannot get more than the number compiled in, so
1474 * it is used for allocation.
1476 num_of_ciphers
= ssl_method
->num_ciphers();
1478 co_list
= OPENSSL_malloc(sizeof(*co_list
) * num_of_ciphers
);
1479 if (co_list
== NULL
) {
1480 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1481 return (NULL
); /* Failure */
1484 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1485 disabled_mkey
, disabled_auth
, disabled_enc
,
1486 disabled_mac
, disabled_ssl
, co_list
, &head
,
1489 /* Now arrange all ciphers by preference: */
1492 * Everything else being equal, prefer ephemeral ECDH over other key
1493 * exchange mechanisms
1495 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1497 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1500 /* AES is our preferred symmetric cipher */
1501 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1504 /* Temporarily enable everything else for sorting */
1505 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1507 /* Low priority for MD5 */
1508 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1512 * Move anonymous ciphers to the end. Usually, these will remain
1513 * disabled. (For applications that allow them, they aren't too bad, but
1514 * we prefer authenticated ciphers.)
1516 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1519 /* Move ciphers without forward secrecy to the end */
1520 ssl_cipher_apply_rule(0, 0, SSL_aECDH
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1523 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1526 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1528 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1531 /* RC4 is sort-of broken -- move the the end */
1532 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1536 * Now sort by symmetric encryption strength. The above ordering remains
1537 * in force within each class
1539 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1540 OPENSSL_free(co_list
);
1544 /* Now disable everything (maintaining the ordering!) */
1545 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1548 * We also need cipher aliases for selecting based on the rule_str.
1549 * There might be two types of entries in the rule_str: 1) names
1550 * of ciphers themselves 2) aliases for groups of ciphers.
1551 * For 1) we need the available ciphers and for 2) the cipher
1552 * groups of cipher_aliases added together in one list (otherwise
1553 * we would be happy with just the cipher_aliases table).
1555 num_of_group_aliases
= OSSL_NELEM(cipher_aliases
);
1556 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1557 ca_list
= OPENSSL_malloc(sizeof(*ca_list
) * num_of_alias_max
);
1558 if (ca_list
== NULL
) {
1559 OPENSSL_free(co_list
);
1560 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1561 return (NULL
); /* Failure */
1563 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1564 disabled_mkey
, disabled_auth
, disabled_enc
,
1565 disabled_mac
, disabled_ssl
, head
);
1568 * If the rule_string begins with DEFAULT, apply the default rule
1569 * before using the (possibly available) additional rules.
1573 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1574 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1575 &head
, &tail
, ca_list
, c
);
1581 if (ok
&& (strlen(rule_p
) > 0))
1582 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1584 OPENSSL_free(ca_list
); /* Not needed anymore */
1586 if (!ok
) { /* Rule processing failure */
1587 OPENSSL_free(co_list
);
1592 * Allocate new "cipherstack" for the result, return with error
1593 * if we cannot get one.
1595 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1596 OPENSSL_free(co_list
);
1601 * The cipher selection for the list is done. The ciphers are added
1602 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1604 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1606 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1607 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1608 OPENSSL_free(co_list
);
1609 sk_SSL_CIPHER_free(cipherstack
);
1613 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1617 OPENSSL_free(co_list
); /* Not needed any longer */
1619 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1620 if (tmp_cipher_list
== NULL
) {
1621 sk_SSL_CIPHER_free(cipherstack
);
1624 sk_SSL_CIPHER_free(*cipher_list
);
1625 *cipher_list
= cipherstack
;
1626 if (*cipher_list_by_id
!= NULL
)
1627 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1628 *cipher_list_by_id
= tmp_cipher_list
;
1629 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1630 ssl_cipher_ptr_id_cmp
);
1632 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1633 return (cipherstack
);
1636 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1638 int is_export
, pkl
, kl
;
1639 const char *ver
, *exp_str
;
1640 const char *kx
, *au
, *enc
, *mac
;
1641 uint32_t alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
;
1642 static const char *format
=
1643 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
1645 alg_mkey
= cipher
->algorithm_mkey
;
1646 alg_auth
= cipher
->algorithm_auth
;
1647 alg_enc
= cipher
->algorithm_enc
;
1648 alg_mac
= cipher
->algorithm_mac
;
1649 alg_ssl
= cipher
->algorithm_ssl
;
1651 is_export
= SSL_C_IS_EXPORT(cipher
);
1652 pkl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
1653 kl
= SSL_C_EXPORT_KEYLENGTH(cipher
);
1654 exp_str
= is_export
? " export" : "";
1656 if (alg_ssl
& SSL_SSLV3
)
1658 else if (alg_ssl
& SSL_TLSV1
)
1660 else if (alg_ssl
& SSL_TLSV1_2
)
1667 kx
= is_export
? (pkl
== 512 ? "RSA(512)" : "RSA(1024)") : "RSA";
1676 kx
= is_export
? (pkl
== 512 ? "DH(512)" : "DH(1024)") : "DH";
1737 /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */
1738 case (SSL_aGOST12
| SSL_aGOST01
):
1748 enc
= (is_export
&& kl
== 5) ? "DES(40)" : "DES(56)";
1754 enc
= is_export
? (kl
== 5 ? "RC4(40)" : "RC4(56)") : "RC4(128)";
1757 enc
= is_export
? (kl
== 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)";
1772 enc
= "AESGCM(128)";
1775 enc
= "AESGCM(256)";
1778 enc
= "AESCCM(128)";
1781 enc
= "AESCCM(256)";
1783 case SSL_AES128CCM8
:
1784 enc
= "AESCCM8(128)";
1786 case SSL_AES256CCM8
:
1787 enc
= "AESCCM8(256)";
1789 case SSL_CAMELLIA128
:
1790 enc
= "Camellia(128)";
1792 case SSL_CAMELLIA256
:
1793 enc
= "Camellia(256)";
1798 case SSL_eGOST2814789CNT
:
1799 case SSL_eGOST2814789CNT12
:
1800 enc
= "GOST89(256)";
1824 case SSL_GOST89MAC12
:
1830 case SSL_GOST12_256
:
1831 case SSL_GOST12_512
:
1841 buf
= OPENSSL_malloc(len
);
1843 return ("OPENSSL_malloc Error");
1844 } else if (len
< 128)
1845 return ("Buffer too small");
1847 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1853 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1859 i
= (int)(c
->id
>> 24L);
1861 return ("TLSv1/SSLv3");
1866 /* return the actual cipher being used */
1867 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1874 /* number of bits for symmetric cipher */
1875 int32_t SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, uint32_t *alg_bits
)
1880 if (alg_bits
!= NULL
)
1881 *alg_bits
= c
->alg_bits
;
1882 ret
= c
->strength_bits
;
1887 uint32_t SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1892 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1897 if ((n
== 0) || (sk
== NULL
))
1899 nn
= sk_SSL_COMP_num(sk
);
1900 for (i
= 0; i
< nn
; i
++) {
1901 ctmp
= sk_SSL_COMP_value(sk
, i
);
1908 #ifdef OPENSSL_NO_COMP
1909 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1913 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1918 void SSL_COMP_free_compression_methods(void)
1921 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1927 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1929 load_builtin_compressions();
1930 return (ssl_comp_methods
);
1933 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1936 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1937 ssl_comp_methods
= meths
;
1941 static void cmeth_free(SSL_COMP
*cm
)
1946 void SSL_COMP_free_compression_methods(void)
1948 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1949 ssl_comp_methods
= NULL
;
1950 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1953 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1957 if (cm
== NULL
|| COMP_get_type(cm
) == NID_undef
)
1961 * According to draft-ietf-tls-compression-04.txt, the
1962 * compression number ranges should be the following:
1964 * 0 to 63: methods defined by the IETF
1965 * 64 to 192: external party methods assigned by IANA
1966 * 193 to 255: reserved for private use
1968 if (id
< 193 || id
> 255) {
1969 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1970 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1975 comp
= OPENSSL_malloc(sizeof(*comp
));
1978 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1984 load_builtin_compressions();
1985 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
1988 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1989 SSL_R_DUPLICATE_COMPRESSION_ID
);
1991 } else if ((ssl_comp_methods
== NULL
)
1992 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
1995 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
2004 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
2006 #ifndef OPENSSL_NO_COMP
2007 return comp
? COMP_get_name(comp
) : NULL
;
2013 /* For a cipher return the index corresponding to the certificate type */
2014 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
2016 uint32_t alg_k
, alg_a
;
2018 alg_k
= c
->algorithm_mkey
;
2019 alg_a
= c
->algorithm_auth
;
2021 if (alg_k
& (SSL_kECDHr
| SSL_kECDHe
)) {
2023 * we don't need to look at SSL_kECDHE since no certificate is needed
2024 * for anon ECDH and for authenticated ECDHE, the check for the auth
2025 * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
2026 * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
2027 * checks for SSL_kECDH before RSA checks ensures the correct cert is
2030 return SSL_PKEY_ECC
;
2031 } else if (alg_a
& SSL_aECDSA
)
2032 return SSL_PKEY_ECC
;
2033 else if (alg_k
& SSL_kDHr
)
2034 return SSL_PKEY_DH_RSA
;
2035 else if (alg_k
& SSL_kDHd
)
2036 return SSL_PKEY_DH_DSA
;
2037 else if (alg_a
& SSL_aDSS
)
2038 return SSL_PKEY_DSA_SIGN
;
2039 else if (alg_a
& SSL_aRSA
)
2040 return SSL_PKEY_RSA_ENC
;
2041 else if (alg_a
& SSL_aGOST12
)
2042 return SSL_PKEY_GOST_EC
;
2043 else if (alg_a
& SSL_aGOST01
)
2044 return SSL_PKEY_GOST01
;
2049 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
2051 const SSL_CIPHER
*c
;
2052 c
= ssl
->method
->get_cipher_by_char(ptr
);
2053 if (c
== NULL
|| c
->valid
== 0)
2058 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
2060 return ssl
->method
->get_cipher_by_char(ptr
);
2063 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER
*c
)
2068 i
= ssl_cipher_info_lookup(ssl_cipher_table_cipher
, c
->algorithm_enc
);
2071 return ssl_cipher_table_cipher
[i
].nid
;
2074 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER
*c
)
2079 i
= ssl_cipher_info_lookup(ssl_cipher_table_mac
, c
->algorithm_mac
);
2082 return ssl_cipher_table_mac
[i
].nid
;