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 static const EVP_CIPHER
*ssl_cipher_methods
[SSL_ENC_NUM_IDX
] = {
170 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
174 #define SSL_COMP_NULL_IDX 0
175 #define SSL_COMP_ZLIB_IDX 1
176 #define SSL_COMP_NUM_IDX 2
178 static STACK_OF(SSL_COMP
) *ssl_comp_methods
= NULL
;
180 #define SSL_MD_MD5_IDX 0
181 #define SSL_MD_SHA1_IDX 1
182 #define SSL_MD_GOST94_IDX 2
183 #define SSL_MD_GOST89MAC_IDX 3
184 #define SSL_MD_SHA256_IDX 4
185 #define SSL_MD_SHA384_IDX 5
187 * Constant SSL_MAX_DIGEST equal to size of digests array should be defined
190 #define SSL_MD_NUM_IDX SSL_MAX_DIGEST
191 static const EVP_MD
*ssl_digest_methods
[SSL_MD_NUM_IDX
] = {
192 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
196 * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
197 * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
200 static int ssl_mac_pkey_id
[SSL_MD_NUM_IDX
] = {
201 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, EVP_PKEY_HMAC
, NID_undef
,
202 EVP_PKEY_HMAC
, EVP_PKEY_HMAC
205 static int ssl_mac_secret_size
[SSL_MD_NUM_IDX
] = {
209 static const int ssl_handshake_digest_flag
[SSL_MD_NUM_IDX
] = {
210 SSL_HANDSHAKE_MAC_MD5
, SSL_HANDSHAKE_MAC_SHA
,
211 SSL_HANDSHAKE_MAC_GOST94
, 0, SSL_HANDSHAKE_MAC_SHA256
,
212 SSL_HANDSHAKE_MAC_SHA384
216 #define CIPHER_KILL 2
219 #define CIPHER_SPECIAL 5
221 typedef struct cipher_order_st
{
222 const SSL_CIPHER
*cipher
;
225 struct cipher_order_st
*next
, *prev
;
228 static const SSL_CIPHER cipher_aliases
[] = {
229 /* "ALL" doesn't include eNULL (must be specifically enabled) */
230 {0, SSL_TXT_ALL
, 0, 0, 0, ~SSL_eNULL
, 0, 0, 0, 0, 0, 0},
231 /* "COMPLEMENTOFALL" */
232 {0, SSL_TXT_CMPALL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
235 * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
238 {0, SSL_TXT_CMPDEF
, 0, SSL_kDHE
| SSL_kECDHE
, SSL_aNULL
, ~SSL_eNULL
, 0, 0,
242 * key exchange aliases (some of those using only a single bit here
243 * combine multiple key exchange algs according to the RFCs, e.g. kDHE
244 * combines DHE_DSS and DHE_RSA)
246 {0, SSL_TXT_kRSA
, 0, SSL_kRSA
, 0, 0, 0, 0, 0, 0, 0, 0},
248 {0, SSL_TXT_kDHr
, 0, SSL_kDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
249 {0, SSL_TXT_kDHd
, 0, SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
250 {0, SSL_TXT_kDH
, 0, SSL_kDHr
| SSL_kDHd
, 0, 0, 0, 0, 0, 0, 0, 0},
251 {0, SSL_TXT_kEDH
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
252 {0, SSL_TXT_kDHE
, 0, SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
253 {0, SSL_TXT_DH
, 0, SSL_kDHr
| SSL_kDHd
| SSL_kDHE
, 0, 0, 0, 0, 0, 0, 0,
256 {0, SSL_TXT_kKRB5
, 0, SSL_kKRB5
, 0, 0, 0, 0, 0, 0, 0, 0},
258 {0, SSL_TXT_kECDHr
, 0, SSL_kECDHr
, 0, 0, 0, 0, 0, 0, 0, 0},
259 {0, SSL_TXT_kECDHe
, 0, SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
260 {0, SSL_TXT_kECDH
, 0, SSL_kECDHr
| SSL_kECDHe
, 0, 0, 0, 0, 0, 0, 0, 0},
261 {0, SSL_TXT_kEECDH
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
262 {0, SSL_TXT_kECDHE
, 0, SSL_kECDHE
, 0, 0, 0, 0, 0, 0, 0, 0},
263 {0, SSL_TXT_ECDH
, 0, SSL_kECDHr
| SSL_kECDHe
| SSL_kECDHE
, 0, 0, 0, 0, 0,
266 {0, SSL_TXT_kPSK
, 0, SSL_kPSK
, 0, 0, 0, 0, 0, 0, 0, 0},
267 {0, SSL_TXT_kSRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
268 {0, SSL_TXT_kGOST
, 0, SSL_kGOST
, 0, 0, 0, 0, 0, 0, 0, 0},
270 /* server authentication aliases */
271 {0, SSL_TXT_aRSA
, 0, 0, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
272 {0, SSL_TXT_aDSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
273 {0, SSL_TXT_DSS
, 0, 0, SSL_aDSS
, 0, 0, 0, 0, 0, 0, 0},
274 {0, SSL_TXT_aKRB5
, 0, 0, SSL_aKRB5
, 0, 0, 0, 0, 0, 0, 0},
275 {0, SSL_TXT_aNULL
, 0, 0, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
276 /* no such ciphersuites supported! */
277 {0, SSL_TXT_aDH
, 0, 0, SSL_aDH
, 0, 0, 0, 0, 0, 0, 0},
278 {0, SSL_TXT_aECDH
, 0, 0, SSL_aECDH
, 0, 0, 0, 0, 0, 0, 0},
279 {0, SSL_TXT_aECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
280 {0, SSL_TXT_ECDSA
, 0, 0, SSL_aECDSA
, 0, 0, 0, 0, 0, 0, 0},
281 {0, SSL_TXT_aPSK
, 0, 0, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
282 {0, SSL_TXT_aGOST94
, 0, 0, SSL_aGOST94
, 0, 0, 0, 0, 0, 0, 0},
283 {0, SSL_TXT_aGOST01
, 0, 0, SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
284 {0, SSL_TXT_aGOST
, 0, 0, SSL_aGOST94
| SSL_aGOST01
, 0, 0, 0, 0, 0, 0, 0},
285 {0, SSL_TXT_aSRP
, 0, 0, SSL_aSRP
, 0, 0, 0, 0, 0, 0, 0},
287 /* aliases combining key exchange and server authentication */
288 {0, SSL_TXT_EDH
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
289 {0, SSL_TXT_DHE
, 0, SSL_kDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
290 {0, SSL_TXT_EECDH
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
291 {0, SSL_TXT_ECDHE
, 0, SSL_kECDHE
, ~SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
292 {0, SSL_TXT_NULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
293 {0, SSL_TXT_KRB5
, 0, SSL_kKRB5
, SSL_aKRB5
, 0, 0, 0, 0, 0, 0, 0},
294 {0, SSL_TXT_RSA
, 0, SSL_kRSA
, SSL_aRSA
, 0, 0, 0, 0, 0, 0, 0},
295 {0, SSL_TXT_ADH
, 0, SSL_kDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
296 {0, SSL_TXT_AECDH
, 0, SSL_kECDHE
, SSL_aNULL
, 0, 0, 0, 0, 0, 0, 0},
297 {0, SSL_TXT_PSK
, 0, SSL_kPSK
, SSL_aPSK
, 0, 0, 0, 0, 0, 0, 0},
298 {0, SSL_TXT_SRP
, 0, SSL_kSRP
, 0, 0, 0, 0, 0, 0, 0, 0},
300 /* symmetric encryption aliases */
301 {0, SSL_TXT_DES
, 0, 0, 0, SSL_DES
, 0, 0, 0, 0, 0, 0},
302 {0, SSL_TXT_3DES
, 0, 0, 0, SSL_3DES
, 0, 0, 0, 0, 0, 0},
303 {0, SSL_TXT_RC4
, 0, 0, 0, SSL_RC4
, 0, 0, 0, 0, 0, 0},
304 {0, SSL_TXT_RC2
, 0, 0, 0, SSL_RC2
, 0, 0, 0, 0, 0, 0},
305 {0, SSL_TXT_IDEA
, 0, 0, 0, SSL_IDEA
, 0, 0, 0, 0, 0, 0},
306 {0, SSL_TXT_SEED
, 0, 0, 0, SSL_SEED
, 0, 0, 0, 0, 0, 0},
307 {0, SSL_TXT_eNULL
, 0, 0, 0, SSL_eNULL
, 0, 0, 0, 0, 0, 0},
308 {0, SSL_TXT_AES128
, 0, 0, 0, SSL_AES128
| SSL_AES128GCM
, 0, 0, 0, 0, 0,
310 {0, SSL_TXT_AES256
, 0, 0, 0, SSL_AES256
| SSL_AES256GCM
, 0, 0, 0, 0, 0,
312 {0, SSL_TXT_AES
, 0, 0, 0, SSL_AES
, 0, 0, 0, 0, 0, 0},
313 {0, SSL_TXT_AES_GCM
, 0, 0, 0, SSL_AES128GCM
| SSL_AES256GCM
, 0, 0, 0, 0,
315 {0, SSL_TXT_CAMELLIA128
, 0, 0, 0, SSL_CAMELLIA128
, 0, 0, 0, 0, 0, 0},
316 {0, SSL_TXT_CAMELLIA256
, 0, 0, 0, SSL_CAMELLIA256
, 0, 0, 0, 0, 0, 0},
317 {0, SSL_TXT_CAMELLIA
, 0, 0, 0, SSL_CAMELLIA128
| SSL_CAMELLIA256
, 0, 0, 0,
321 {0, SSL_TXT_MD5
, 0, 0, 0, 0, SSL_MD5
, 0, 0, 0, 0, 0},
322 {0, SSL_TXT_SHA1
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
323 {0, SSL_TXT_SHA
, 0, 0, 0, 0, SSL_SHA1
, 0, 0, 0, 0, 0},
324 {0, SSL_TXT_GOST94
, 0, 0, 0, 0, SSL_GOST94
, 0, 0, 0, 0, 0},
325 {0, SSL_TXT_GOST89MAC
, 0, 0, 0, 0, SSL_GOST89MAC
, 0, 0, 0, 0, 0},
326 {0, SSL_TXT_SHA256
, 0, 0, 0, 0, SSL_SHA256
, 0, 0, 0, 0, 0},
327 {0, SSL_TXT_SHA384
, 0, 0, 0, 0, SSL_SHA384
, 0, 0, 0, 0, 0},
329 /* protocol version aliases */
330 {0, SSL_TXT_SSLV3
, 0, 0, 0, 0, 0, SSL_SSLV3
, 0, 0, 0, 0},
331 {0, SSL_TXT_TLSV1
, 0, 0, 0, 0, 0, SSL_TLSV1
, 0, 0, 0, 0},
332 {0, SSL_TXT_TLSV1_2
, 0, 0, 0, 0, 0, SSL_TLSV1_2
, 0, 0, 0, 0},
335 {0, SSL_TXT_EXP
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
336 {0, SSL_TXT_EXPORT
, 0, 0, 0, 0, 0, 0, SSL_EXPORT
, 0, 0, 0},
338 /* strength classes */
339 {0, SSL_TXT_EXP40
, 0, 0, 0, 0, 0, 0, SSL_EXP40
, 0, 0, 0},
340 {0, SSL_TXT_EXP56
, 0, 0, 0, 0, 0, 0, SSL_EXP56
, 0, 0, 0},
341 {0, SSL_TXT_LOW
, 0, 0, 0, 0, 0, 0, SSL_LOW
, 0, 0, 0},
342 {0, SSL_TXT_MEDIUM
, 0, 0, 0, 0, 0, 0, SSL_MEDIUM
, 0, 0, 0},
343 {0, SSL_TXT_HIGH
, 0, 0, 0, 0, 0, 0, SSL_HIGH
, 0, 0, 0},
344 /* FIPS 140-2 approved ciphersuite */
345 {0, SSL_TXT_FIPS
, 0, 0, 0, ~SSL_eNULL
, 0, 0, SSL_FIPS
, 0, 0, 0},
347 /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
348 {0, SSL3_TXT_EDH_DSS_DES_40_CBC_SHA
, 0,
349 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
351 {0, SSL3_TXT_EDH_DSS_DES_64_CBC_SHA
, 0,
352 SSL_kDHE
, SSL_aDSS
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
354 {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA
, 0,
355 SSL_kDHE
, SSL_aDSS
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
356 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
357 {0, SSL3_TXT_EDH_RSA_DES_40_CBC_SHA
, 0,
358 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_EXPORT
| SSL_EXP40
,
360 {0, SSL3_TXT_EDH_RSA_DES_64_CBC_SHA
, 0,
361 SSL_kDHE
, SSL_aRSA
, SSL_DES
, SSL_SHA1
, SSL_SSLV3
, SSL_NOT_EXP
| SSL_LOW
,
363 {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA
, 0,
364 SSL_kDHE
, SSL_aRSA
, SSL_3DES
, SSL_SHA1
, SSL_SSLV3
,
365 SSL_NOT_EXP
| SSL_HIGH
| SSL_FIPS
, 0, 0, 0,},
370 * Search for public key algorithm with given name and return its pkey_id if
371 * it is available. Otherwise return 0
373 #ifdef OPENSSL_NO_ENGINE
375 static int get_optional_pkey_id(const char *pkey_name
)
377 const EVP_PKEY_ASN1_METHOD
*ameth
;
379 ameth
= EVP_PKEY_asn1_find_str(NULL
, pkey_name
, -1);
381 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
388 static int get_optional_pkey_id(const char *pkey_name
)
390 const EVP_PKEY_ASN1_METHOD
*ameth
;
391 ENGINE
*tmpeng
= NULL
;
393 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, pkey_name
, -1);
395 EVP_PKEY_asn1_get0_info(&pkey_id
, NULL
, NULL
, NULL
, NULL
, ameth
);
398 ENGINE_finish(tmpeng
);
404 void ssl_load_ciphers(void)
406 ssl_cipher_methods
[SSL_ENC_DES_IDX
] = EVP_get_cipherbyname(SN_des_cbc
);
407 ssl_cipher_methods
[SSL_ENC_3DES_IDX
] =
408 EVP_get_cipherbyname(SN_des_ede3_cbc
);
409 ssl_cipher_methods
[SSL_ENC_RC4_IDX
] = EVP_get_cipherbyname(SN_rc4
);
410 ssl_cipher_methods
[SSL_ENC_RC2_IDX
] = EVP_get_cipherbyname(SN_rc2_cbc
);
411 #ifndef OPENSSL_NO_IDEA
412 ssl_cipher_methods
[SSL_ENC_IDEA_IDX
] = EVP_get_cipherbyname(SN_idea_cbc
);
414 ssl_cipher_methods
[SSL_ENC_IDEA_IDX
] = NULL
;
416 ssl_cipher_methods
[SSL_ENC_AES128_IDX
] =
417 EVP_get_cipherbyname(SN_aes_128_cbc
);
418 ssl_cipher_methods
[SSL_ENC_AES256_IDX
] =
419 EVP_get_cipherbyname(SN_aes_256_cbc
);
420 ssl_cipher_methods
[SSL_ENC_CAMELLIA128_IDX
] =
421 EVP_get_cipherbyname(SN_camellia_128_cbc
);
422 ssl_cipher_methods
[SSL_ENC_CAMELLIA256_IDX
] =
423 EVP_get_cipherbyname(SN_camellia_256_cbc
);
424 ssl_cipher_methods
[SSL_ENC_GOST89_IDX
] =
425 EVP_get_cipherbyname(SN_gost89_cnt
);
426 ssl_cipher_methods
[SSL_ENC_SEED_IDX
] = EVP_get_cipherbyname(SN_seed_cbc
);
428 ssl_cipher_methods
[SSL_ENC_AES128GCM_IDX
] =
429 EVP_get_cipherbyname(SN_aes_128_gcm
);
430 ssl_cipher_methods
[SSL_ENC_AES256GCM_IDX
] =
431 EVP_get_cipherbyname(SN_aes_256_gcm
);
433 ssl_digest_methods
[SSL_MD_MD5_IDX
] = EVP_get_digestbyname(SN_md5
);
434 ssl_mac_secret_size
[SSL_MD_MD5_IDX
] =
435 EVP_MD_size(ssl_digest_methods
[SSL_MD_MD5_IDX
]);
436 OPENSSL_assert(ssl_mac_secret_size
[SSL_MD_MD5_IDX
] >= 0);
437 ssl_digest_methods
[SSL_MD_SHA1_IDX
] = EVP_get_digestbyname(SN_sha1
);
438 ssl_mac_secret_size
[SSL_MD_SHA1_IDX
] =
439 EVP_MD_size(ssl_digest_methods
[SSL_MD_SHA1_IDX
]);
440 OPENSSL_assert(ssl_mac_secret_size
[SSL_MD_SHA1_IDX
] >= 0);
441 ssl_digest_methods
[SSL_MD_GOST94_IDX
] =
442 EVP_get_digestbyname(SN_id_GostR3411_94
);
443 if (ssl_digest_methods
[SSL_MD_GOST94_IDX
]) {
444 ssl_mac_secret_size
[SSL_MD_GOST94_IDX
] =
445 EVP_MD_size(ssl_digest_methods
[SSL_MD_GOST94_IDX
]);
446 OPENSSL_assert(ssl_mac_secret_size
[SSL_MD_GOST94_IDX
] >= 0);
448 ssl_digest_methods
[SSL_MD_GOST89MAC_IDX
] =
449 EVP_get_digestbyname(SN_id_Gost28147_89_MAC
);
450 ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] = get_optional_pkey_id("gost-mac");
451 if (ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
]) {
452 ssl_mac_secret_size
[SSL_MD_GOST89MAC_IDX
] = 32;
455 ssl_digest_methods
[SSL_MD_SHA256_IDX
] = EVP_get_digestbyname(SN_sha256
);
456 ssl_mac_secret_size
[SSL_MD_SHA256_IDX
] =
457 EVP_MD_size(ssl_digest_methods
[SSL_MD_SHA256_IDX
]);
458 ssl_digest_methods
[SSL_MD_SHA384_IDX
] = EVP_get_digestbyname(SN_sha384
);
459 ssl_mac_secret_size
[SSL_MD_SHA384_IDX
] =
460 EVP_MD_size(ssl_digest_methods
[SSL_MD_SHA384_IDX
]);
463 #ifndef OPENSSL_NO_COMP
465 static int sk_comp_cmp(const SSL_COMP
*const *a
, const SSL_COMP
*const *b
)
467 return ((*a
)->id
- (*b
)->id
);
470 static void load_builtin_compressions(void)
472 int got_write_lock
= 0;
474 CRYPTO_r_lock(CRYPTO_LOCK_SSL
);
475 if (ssl_comp_methods
== NULL
) {
476 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
477 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
480 if (ssl_comp_methods
== NULL
) {
481 SSL_COMP
*comp
= NULL
;
484 ssl_comp_methods
= sk_SSL_COMP_new(sk_comp_cmp
);
485 if (ssl_comp_methods
!= NULL
) {
486 comp
= (SSL_COMP
*)OPENSSL_malloc(sizeof(SSL_COMP
));
488 comp
->method
= COMP_zlib();
489 if (comp
->method
&& comp
->method
->type
== NID_undef
)
492 comp
->id
= SSL_COMP_ZLIB_IDX
;
493 comp
->name
= comp
->method
->name
;
494 sk_SSL_COMP_push(ssl_comp_methods
, comp
);
497 sk_SSL_COMP_sort(ssl_comp_methods
);
504 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
506 CRYPTO_r_unlock(CRYPTO_LOCK_SSL
);
510 int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
511 const EVP_MD
**md
, int *mac_pkey_type
,
512 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
)
522 #ifndef OPENSSL_NO_COMP
523 load_builtin_compressions();
527 ctmp
.id
= s
->compress_meth
;
528 if (ssl_comp_methods
!= NULL
) {
529 i
= sk_SSL_COMP_find(ssl_comp_methods
, &ctmp
);
531 *comp
= sk_SSL_COMP_value(ssl_comp_methods
, i
);
537 if ((enc
== NULL
) || (md
== NULL
))
540 switch (c
->algorithm_enc
) {
545 i
= SSL_ENC_3DES_IDX
;
554 i
= SSL_ENC_IDEA_IDX
;
557 i
= SSL_ENC_NULL_IDX
;
560 i
= SSL_ENC_AES128_IDX
;
563 i
= SSL_ENC_AES256_IDX
;
565 case SSL_CAMELLIA128
:
566 i
= SSL_ENC_CAMELLIA128_IDX
;
568 case SSL_CAMELLIA256
:
569 i
= SSL_ENC_CAMELLIA256_IDX
;
571 case SSL_eGOST2814789CNT
:
572 i
= SSL_ENC_GOST89_IDX
;
575 i
= SSL_ENC_SEED_IDX
;
578 i
= SSL_ENC_AES128GCM_IDX
;
581 i
= SSL_ENC_AES256GCM_IDX
;
588 if ((i
< 0) || (i
>= SSL_ENC_NUM_IDX
))
591 if (i
== SSL_ENC_NULL_IDX
)
592 *enc
= EVP_enc_null();
594 *enc
= ssl_cipher_methods
[i
];
597 switch (c
->algorithm_mac
) {
605 i
= SSL_MD_SHA256_IDX
;
608 i
= SSL_MD_SHA384_IDX
;
611 i
= SSL_MD_GOST94_IDX
;
614 i
= SSL_MD_GOST89MAC_IDX
;
620 if ((i
< 0) || (i
>= SSL_MD_NUM_IDX
)) {
622 if (mac_pkey_type
!= NULL
)
623 *mac_pkey_type
= NID_undef
;
624 if (mac_secret_size
!= NULL
)
625 *mac_secret_size
= 0;
626 if (c
->algorithm_mac
== SSL_AEAD
)
627 mac_pkey_type
= NULL
;
629 *md
= ssl_digest_methods
[i
];
630 if (mac_pkey_type
!= NULL
)
631 *mac_pkey_type
= ssl_mac_pkey_id
[i
];
632 if (mac_secret_size
!= NULL
)
633 *mac_secret_size
= ssl_mac_secret_size
[i
];
636 if ((*enc
!= NULL
) &&
637 (*md
!= NULL
|| (EVP_CIPHER_flags(*enc
) & EVP_CIPH_FLAG_AEAD_CIPHER
))
638 && (!mac_pkey_type
|| *mac_pkey_type
!= NID_undef
)) {
639 const EVP_CIPHER
*evp
;
644 if (s
->ssl_version
>> 8 != TLS1_VERSION_MAJOR
||
645 s
->ssl_version
< TLS1_VERSION
)
651 if (c
->algorithm_enc
== SSL_RC4
&&
652 c
->algorithm_mac
== SSL_MD5
&&
653 (evp
= EVP_get_cipherbyname("RC4-HMAC-MD5")))
654 *enc
= evp
, *md
= NULL
;
655 else if (c
->algorithm_enc
== SSL_AES128
&&
656 c
->algorithm_mac
== SSL_SHA1
&&
657 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1")))
658 *enc
= evp
, *md
= NULL
;
659 else if (c
->algorithm_enc
== SSL_AES256
&&
660 c
->algorithm_mac
== SSL_SHA1
&&
661 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1")))
662 *enc
= evp
, *md
= NULL
;
663 else if (c
->algorithm_enc
== SSL_AES128
&&
664 c
->algorithm_mac
== SSL_SHA256
&&
665 (evp
= EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256")))
666 *enc
= evp
, *md
= NULL
;
667 else if (c
->algorithm_enc
== SSL_AES256
&&
668 c
->algorithm_mac
== SSL_SHA256
&&
669 (evp
= EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256")))
670 *enc
= evp
, *md
= NULL
;
676 int ssl_get_handshake_digest(int idx
, long *mask
, const EVP_MD
**md
)
678 if (idx
< 0 || idx
>= SSL_MD_NUM_IDX
) {
681 *mask
= ssl_handshake_digest_flag
[idx
];
683 *md
= ssl_digest_methods
[idx
];
689 #define ITEM_SEP(a) \
690 (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
692 static void ll_append_tail(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
699 if (curr
->prev
!= NULL
)
700 curr
->prev
->next
= curr
->next
;
701 if (curr
->next
!= NULL
)
702 curr
->next
->prev
= curr
->prev
;
703 (*tail
)->next
= curr
;
709 static void ll_append_head(CIPHER_ORDER
**head
, CIPHER_ORDER
*curr
,
716 if (curr
->next
!= NULL
)
717 curr
->next
->prev
= curr
->prev
;
718 if (curr
->prev
!= NULL
)
719 curr
->prev
->next
= curr
->next
;
720 (*head
)->prev
= curr
;
726 static void ssl_cipher_get_disabled(unsigned long *mkey
, unsigned long *auth
,
727 unsigned long *enc
, unsigned long *mac
,
736 #ifdef OPENSSL_NO_RSA
740 #ifdef OPENSSL_NO_DSA
744 *mkey
|= SSL_kDHr
| SSL_kDHd
| SSL_kDHE
;
747 #ifdef OPENSSL_NO_KRB5
751 #ifdef OPENSSL_NO_ECDSA
754 #ifdef OPENSSL_NO_ECDH
755 *mkey
|= SSL_kECDHe
| SSL_kECDHr
;
758 #ifdef OPENSSL_NO_PSK
762 #ifdef OPENSSL_NO_SRP
766 * Check for presence of GOST 34.10 algorithms, and if they do not
767 * present, disable appropriate auth and key exchange
769 if (!get_optional_pkey_id("gost94")) {
770 *auth
|= SSL_aGOST94
;
772 if (!get_optional_pkey_id("gost2001")) {
773 *auth
|= SSL_aGOST01
;
776 * Disable GOST key exchange if no GOST signature algs are available *
778 if ((*auth
& (SSL_aGOST94
| SSL_aGOST01
)) == (SSL_aGOST94
| SSL_aGOST01
)) {
781 #ifdef SSL_FORBID_ENULL
785 *enc
|= (ssl_cipher_methods
[SSL_ENC_DES_IDX
] == NULL
) ? SSL_DES
: 0;
786 *enc
|= (ssl_cipher_methods
[SSL_ENC_3DES_IDX
] == NULL
) ? SSL_3DES
: 0;
787 *enc
|= (ssl_cipher_methods
[SSL_ENC_RC4_IDX
] == NULL
) ? SSL_RC4
: 0;
788 *enc
|= (ssl_cipher_methods
[SSL_ENC_RC2_IDX
] == NULL
) ? SSL_RC2
: 0;
789 *enc
|= (ssl_cipher_methods
[SSL_ENC_IDEA_IDX
] == NULL
) ? SSL_IDEA
: 0;
790 *enc
|= (ssl_cipher_methods
[SSL_ENC_AES128_IDX
] == NULL
) ? SSL_AES128
: 0;
791 *enc
|= (ssl_cipher_methods
[SSL_ENC_AES256_IDX
] == NULL
) ? SSL_AES256
: 0;
793 (ssl_cipher_methods
[SSL_ENC_AES128GCM_IDX
] ==
794 NULL
) ? SSL_AES128GCM
: 0;
796 (ssl_cipher_methods
[SSL_ENC_AES256GCM_IDX
] ==
797 NULL
) ? SSL_AES256GCM
: 0;
799 (ssl_cipher_methods
[SSL_ENC_CAMELLIA128_IDX
] ==
800 NULL
) ? SSL_CAMELLIA128
: 0;
802 (ssl_cipher_methods
[SSL_ENC_CAMELLIA256_IDX
] ==
803 NULL
) ? SSL_CAMELLIA256
: 0;
805 (ssl_cipher_methods
[SSL_ENC_GOST89_IDX
] ==
806 NULL
) ? SSL_eGOST2814789CNT
: 0;
807 *enc
|= (ssl_cipher_methods
[SSL_ENC_SEED_IDX
] == NULL
) ? SSL_SEED
: 0;
809 *mac
|= (ssl_digest_methods
[SSL_MD_MD5_IDX
] == NULL
) ? SSL_MD5
: 0;
810 *mac
|= (ssl_digest_methods
[SSL_MD_SHA1_IDX
] == NULL
) ? SSL_SHA1
: 0;
811 *mac
|= (ssl_digest_methods
[SSL_MD_SHA256_IDX
] == NULL
) ? SSL_SHA256
: 0;
812 *mac
|= (ssl_digest_methods
[SSL_MD_SHA384_IDX
] == NULL
) ? SSL_SHA384
: 0;
813 *mac
|= (ssl_digest_methods
[SSL_MD_GOST94_IDX
] == NULL
) ? SSL_GOST94
: 0;
814 *mac
|= (ssl_digest_methods
[SSL_MD_GOST89MAC_IDX
] == NULL
815 || ssl_mac_pkey_id
[SSL_MD_GOST89MAC_IDX
] ==
816 NID_undef
) ? SSL_GOST89MAC
: 0;
820 static void ssl_cipher_collect_ciphers(const SSL_METHOD
*ssl_method
,
822 unsigned long disabled_mkey
,
823 unsigned long disabled_auth
,
824 unsigned long disabled_enc
,
825 unsigned long disabled_mac
,
826 unsigned long disabled_ssl
,
827 CIPHER_ORDER
*co_list
,
828 CIPHER_ORDER
**head_p
,
829 CIPHER_ORDER
**tail_p
)
835 * We have num_of_ciphers descriptions compiled in, depending on the
836 * method selected (SSLv3, TLSv1 etc).
837 * These will later be sorted in a linked list with at most num
841 /* Get the initial list of ciphers */
842 co_list_num
= 0; /* actual count of ciphers */
843 for (i
= 0; i
< num_of_ciphers
; i
++) {
844 c
= ssl_method
->get_cipher(i
);
845 /* drop those that use any of that is not available */
846 if ((c
!= NULL
) && c
->valid
&&
847 (!FIPS_mode() || (c
->algo_strength
& SSL_FIPS
)) &&
848 !(c
->algorithm_mkey
& disabled_mkey
) &&
849 !(c
->algorithm_auth
& disabled_auth
) &&
850 !(c
->algorithm_enc
& disabled_enc
) &&
851 !(c
->algorithm_mac
& disabled_mac
) &&
852 !(c
->algorithm_ssl
& disabled_ssl
)) {
853 co_list
[co_list_num
].cipher
= c
;
854 co_list
[co_list_num
].next
= NULL
;
855 co_list
[co_list_num
].prev
= NULL
;
856 co_list
[co_list_num
].active
= 0;
859 fprintf(stderr
, "\t%d: %s %lx %lx %lx\n", i
, c
->name
, c
->id
,
860 c
->algorithm_mkey
, c
->algorithm_auth
);
861 #endif /* KSSL_DEBUG */
863 * if (!sk_push(ca_list,(char *)c)) goto err;
869 * Prepare linked list from list entries
871 if (co_list_num
> 0) {
872 co_list
[0].prev
= NULL
;
874 if (co_list_num
> 1) {
875 co_list
[0].next
= &co_list
[1];
877 for (i
= 1; i
< co_list_num
- 1; i
++) {
878 co_list
[i
].prev
= &co_list
[i
- 1];
879 co_list
[i
].next
= &co_list
[i
+ 1];
882 co_list
[co_list_num
- 1].prev
= &co_list
[co_list_num
- 2];
885 co_list
[co_list_num
- 1].next
= NULL
;
887 *head_p
= &co_list
[0];
888 *tail_p
= &co_list
[co_list_num
- 1];
892 static void ssl_cipher_collect_aliases(const SSL_CIPHER
**ca_list
,
893 int num_of_group_aliases
,
894 unsigned long disabled_mkey
,
895 unsigned long disabled_auth
,
896 unsigned long disabled_enc
,
897 unsigned long disabled_mac
,
898 unsigned long disabled_ssl
,
901 CIPHER_ORDER
*ciph_curr
;
902 const SSL_CIPHER
**ca_curr
;
904 unsigned long mask_mkey
= ~disabled_mkey
;
905 unsigned long mask_auth
= ~disabled_auth
;
906 unsigned long mask_enc
= ~disabled_enc
;
907 unsigned long mask_mac
= ~disabled_mac
;
908 unsigned long mask_ssl
= ~disabled_ssl
;
911 * First, add the real ciphers as already collected
915 while (ciph_curr
!= NULL
) {
916 *ca_curr
= ciph_curr
->cipher
;
918 ciph_curr
= ciph_curr
->next
;
922 * Now we add the available ones from the cipher_aliases[] table.
923 * They represent either one or more algorithms, some of which
924 * in any affected category must be supported (set in enabled_mask),
925 * or represent a cipher strength value (will be added in any case because algorithms=0).
927 for (i
= 0; i
< num_of_group_aliases
; i
++) {
928 unsigned long algorithm_mkey
= cipher_aliases
[i
].algorithm_mkey
;
929 unsigned long algorithm_auth
= cipher_aliases
[i
].algorithm_auth
;
930 unsigned long algorithm_enc
= cipher_aliases
[i
].algorithm_enc
;
931 unsigned long algorithm_mac
= cipher_aliases
[i
].algorithm_mac
;
932 unsigned long algorithm_ssl
= cipher_aliases
[i
].algorithm_ssl
;
935 if ((algorithm_mkey
& mask_mkey
) == 0)
939 if ((algorithm_auth
& mask_auth
) == 0)
943 if ((algorithm_enc
& mask_enc
) == 0)
947 if ((algorithm_mac
& mask_mac
) == 0)
951 if ((algorithm_ssl
& mask_ssl
) == 0)
954 *ca_curr
= (SSL_CIPHER
*)(cipher_aliases
+ i
);
958 *ca_curr
= NULL
; /* end of list */
961 static void ssl_cipher_apply_rule(unsigned long cipher_id
,
962 unsigned long alg_mkey
,
963 unsigned long alg_auth
,
964 unsigned long alg_enc
,
965 unsigned long alg_mac
,
966 unsigned long alg_ssl
,
967 unsigned long algo_strength
, int rule
,
968 int strength_bits
, CIPHER_ORDER
**head_p
,
969 CIPHER_ORDER
**tail_p
)
971 CIPHER_ORDER
*head
, *tail
, *curr
, *next
, *last
;
972 const SSL_CIPHER
*cp
;
977 "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
978 rule
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
979 algo_strength
, strength_bits
);
982 if (rule
== CIPHER_DEL
)
983 reverse
= 1; /* needed to maintain sorting between
984 * currently deleted ciphers */
1007 next
= reverse
? curr
->prev
: curr
->next
;
1012 * Selection criteria is either the value of strength_bits
1013 * or the algorithms used.
1015 if (strength_bits
>= 0) {
1016 if (strength_bits
!= cp
->strength_bits
)
1021 "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n",
1022 cp
->name
, cp
->algorithm_mkey
, cp
->algorithm_auth
,
1023 cp
->algorithm_enc
, cp
->algorithm_mac
, cp
->algorithm_ssl
,
1026 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1027 if (cipher_id
&& cipher_id
!= cp
->id
)
1030 if (alg_mkey
&& !(alg_mkey
& cp
->algorithm_mkey
))
1032 if (alg_auth
&& !(alg_auth
& cp
->algorithm_auth
))
1034 if (alg_enc
&& !(alg_enc
& cp
->algorithm_enc
))
1036 if (alg_mac
&& !(alg_mac
& cp
->algorithm_mac
))
1038 if (alg_ssl
&& !(alg_ssl
& cp
->algorithm_ssl
))
1040 if ((algo_strength
& SSL_EXP_MASK
)
1041 && !(algo_strength
& SSL_EXP_MASK
& cp
->algo_strength
))
1043 if ((algo_strength
& SSL_STRONG_MASK
)
1044 && !(algo_strength
& SSL_STRONG_MASK
& cp
->algo_strength
))
1049 fprintf(stderr
, "Action = %d\n", rule
);
1052 /* add the cipher if it has not been added yet. */
1053 if (rule
== CIPHER_ADD
) {
1055 if (!curr
->active
) {
1056 ll_append_tail(&head
, curr
, &tail
);
1060 /* Move the added cipher to this location */
1061 else if (rule
== CIPHER_ORD
) {
1064 ll_append_tail(&head
, curr
, &tail
);
1066 } else if (rule
== CIPHER_DEL
) {
1070 * most recently deleted ciphersuites get best positions for
1071 * any future CIPHER_ADD (note that the CIPHER_DEL loop works
1072 * in reverse to maintain the order)
1074 ll_append_head(&head
, curr
, &tail
);
1077 } else if (rule
== CIPHER_KILL
) {
1082 curr
->prev
->next
= curr
->next
;
1086 if (curr
->next
!= NULL
)
1087 curr
->next
->prev
= curr
->prev
;
1088 if (curr
->prev
!= NULL
)
1089 curr
->prev
->next
= curr
->next
;
1099 static int ssl_cipher_strength_sort(CIPHER_ORDER
**head_p
,
1100 CIPHER_ORDER
**tail_p
)
1102 int max_strength_bits
, i
, *number_uses
;
1106 * This routine sorts the ciphers with descending strength. The sorting
1107 * must keep the pre-sorted sequence, so we apply the normal sorting
1108 * routine as '+' movement to the end of the list.
1110 max_strength_bits
= 0;
1112 while (curr
!= NULL
) {
1113 if (curr
->active
&& (curr
->cipher
->strength_bits
> max_strength_bits
))
1114 max_strength_bits
= curr
->cipher
->strength_bits
;
1118 number_uses
= OPENSSL_malloc((max_strength_bits
+ 1) * sizeof(int));
1120 SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT
, ERR_R_MALLOC_FAILURE
);
1123 memset(number_uses
, 0, (max_strength_bits
+ 1) * sizeof(int));
1126 * Now find the strength_bits values actually used
1129 while (curr
!= NULL
) {
1131 number_uses
[curr
->cipher
->strength_bits
]++;
1135 * Go through the list of used strength_bits values in descending
1138 for (i
= max_strength_bits
; i
>= 0; i
--)
1139 if (number_uses
[i
] > 0)
1140 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD
, i
, head_p
,
1143 OPENSSL_free(number_uses
);
1147 static int ssl_cipher_process_rulestr(const char *rule_str
,
1148 CIPHER_ORDER
**head_p
,
1149 CIPHER_ORDER
**tail_p
,
1150 const SSL_CIPHER
**ca_list
, CERT
*c
)
1152 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
,
1154 const char *l
, *buf
;
1155 int j
, multi
, found
, rule
, retval
, ok
, buflen
;
1156 unsigned long cipher_id
= 0;
1169 } else if (ch
== '+') {
1172 } else if (ch
== '!') {
1175 } else if (ch
== '@') {
1176 rule
= CIPHER_SPECIAL
;
1198 #ifndef CHARSET_EBCDIC
1199 while (((ch
>= 'A') && (ch
<= 'Z')) ||
1200 ((ch
>= '0') && (ch
<= '9')) ||
1201 ((ch
>= 'a') && (ch
<= 'z')) ||
1202 (ch
== '-') || (ch
== '.') || (ch
== '='))
1204 while (isalnum(ch
) || (ch
== '-') || (ch
== '.') || (ch
== '='))
1213 * We hit something we cannot deal with,
1214 * it is no command or separator nor
1215 * alphanumeric, so we call this an error.
1217 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1218 SSL_R_INVALID_COMMAND
);
1224 if (rule
== CIPHER_SPECIAL
) {
1225 found
= 0; /* unused -- avoid compiler warning */
1226 break; /* special treatment */
1229 /* check for multi-part specification */
1237 * Now search for the cipher alias in the ca_list. Be careful
1238 * with the strncmp, because the "buflen" limitation
1239 * will make the rule "ADH:SOME" and the cipher
1240 * "ADH-MY-CIPHER" look like a match for buflen=3.
1241 * So additionally check whether the cipher name found
1242 * has the correct length. We can save a strlen() call:
1243 * just checking for the '\0' at the right place is
1244 * sufficient, we have to strncmp() anyway. (We cannot
1245 * use strcmp(), because buf is not '\0' terminated.)
1249 while (ca_list
[j
]) {
1250 if (!strncmp(buf
, ca_list
[j
]->name
, buflen
) &&
1251 (ca_list
[j
]->name
[buflen
] == '\0')) {
1259 break; /* ignore this entry */
1261 if (ca_list
[j
]->algorithm_mkey
) {
1263 alg_mkey
&= ca_list
[j
]->algorithm_mkey
;
1269 alg_mkey
= ca_list
[j
]->algorithm_mkey
;
1272 if (ca_list
[j
]->algorithm_auth
) {
1274 alg_auth
&= ca_list
[j
]->algorithm_auth
;
1280 alg_auth
= ca_list
[j
]->algorithm_auth
;
1283 if (ca_list
[j
]->algorithm_enc
) {
1285 alg_enc
&= ca_list
[j
]->algorithm_enc
;
1291 alg_enc
= ca_list
[j
]->algorithm_enc
;
1294 if (ca_list
[j
]->algorithm_mac
) {
1296 alg_mac
&= ca_list
[j
]->algorithm_mac
;
1302 alg_mac
= ca_list
[j
]->algorithm_mac
;
1305 if (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) {
1306 if (algo_strength
& SSL_EXP_MASK
) {
1308 (ca_list
[j
]->algo_strength
& SSL_EXP_MASK
) |
1310 if (!(algo_strength
& SSL_EXP_MASK
)) {
1315 algo_strength
|= ca_list
[j
]->algo_strength
& SSL_EXP_MASK
;
1318 if (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) {
1319 if (algo_strength
& SSL_STRONG_MASK
) {
1321 (ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
) |
1323 if (!(algo_strength
& SSL_STRONG_MASK
)) {
1329 ca_list
[j
]->algo_strength
& SSL_STRONG_MASK
;
1332 if (ca_list
[j
]->valid
) {
1334 * explicit ciphersuite found; its protocol version does not
1335 * become part of the search pattern!
1338 cipher_id
= ca_list
[j
]->id
;
1341 * not an explicit ciphersuite; only in this case, the
1342 * protocol version is considered part of the search pattern
1345 if (ca_list
[j
]->algorithm_ssl
) {
1347 alg_ssl
&= ca_list
[j
]->algorithm_ssl
;
1353 alg_ssl
= ca_list
[j
]->algorithm_ssl
;
1362 * Ok, we have the rule, now apply it
1364 if (rule
== CIPHER_SPECIAL
) { /* special command */
1366 if ((buflen
== 8) && !strncmp(buf
, "STRENGTH", 8))
1367 ok
= ssl_cipher_strength_sort(head_p
, tail_p
);
1368 else if (buflen
== 10 && !strncmp(buf
, "SECLEVEL=", 9)) {
1369 int level
= buf
[9] - '0';
1370 if (level
< 0 || level
> 5) {
1371 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1372 SSL_R_INVALID_COMMAND
);
1374 c
->sec_level
= level
;
1378 SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR
,
1379 SSL_R_INVALID_COMMAND
);
1383 * We do not support any "multi" options
1384 * together with "@", so throw away the
1385 * rest of the command, if any left, until
1386 * end or ':' is found.
1388 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1391 ssl_cipher_apply_rule(cipher_id
,
1392 alg_mkey
, alg_auth
, alg_enc
, alg_mac
,
1393 alg_ssl
, algo_strength
, rule
, -1, head_p
,
1396 while ((*l
!= '\0') && !ITEM_SEP(*l
))
1406 #ifndef OPENSSL_NO_EC
1407 static int check_suiteb_cipher_list(const SSL_METHOD
*meth
, CERT
*c
,
1408 const char **prule_str
)
1410 unsigned int suiteb_flags
= 0, suiteb_comb2
= 0;
1411 if (!strcmp(*prule_str
, "SUITEB128"))
1412 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1413 else if (!strcmp(*prule_str
, "SUITEB128ONLY"))
1414 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
;
1415 else if (!strcmp(*prule_str
, "SUITEB128C2")) {
1417 suiteb_flags
= SSL_CERT_FLAG_SUITEB_128_LOS
;
1418 } else if (!strcmp(*prule_str
, "SUITEB192"))
1419 suiteb_flags
= SSL_CERT_FLAG_SUITEB_192_LOS
;
1422 c
->cert_flags
&= ~SSL_CERT_FLAG_SUITEB_128_LOS
;
1423 c
->cert_flags
|= suiteb_flags
;
1425 suiteb_flags
= c
->cert_flags
& SSL_CERT_FLAG_SUITEB_128_LOS
;
1429 /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
1431 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_TLS1_2_CIPHERS
)) {
1432 if (meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
)
1433 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1434 SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1436 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1437 SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE
);
1440 # ifndef OPENSSL_NO_ECDH
1441 switch (suiteb_flags
) {
1442 case SSL_CERT_FLAG_SUITEB_128_LOS
:
1444 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1447 "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
1449 case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY
:
1450 *prule_str
= "ECDHE-ECDSA-AES128-GCM-SHA256";
1452 case SSL_CERT_FLAG_SUITEB_192_LOS
:
1453 *prule_str
= "ECDHE-ECDSA-AES256-GCM-SHA384";
1456 /* Set auto ECDH parameter determination */
1457 c
->ecdh_tmp_auto
= 1;
1460 SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST
,
1461 SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE
);
1467 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*ssl_method
, STACK_OF(SSL_CIPHER
)
1468 **cipher_list
, STACK_OF(SSL_CIPHER
)
1469 **cipher_list_by_id
,
1470 const char *rule_str
, CERT
*c
)
1472 int ok
, num_of_ciphers
, num_of_alias_max
, num_of_group_aliases
;
1473 unsigned long disabled_mkey
, disabled_auth
, disabled_enc
, disabled_mac
,
1475 STACK_OF(SSL_CIPHER
) *cipherstack
, *tmp_cipher_list
;
1477 CIPHER_ORDER
*co_list
= NULL
, *head
= NULL
, *tail
= NULL
, *curr
;
1478 const SSL_CIPHER
**ca_list
= NULL
;
1481 * Return with error if nothing to do.
1483 if (rule_str
== NULL
|| cipher_list
== NULL
|| cipher_list_by_id
== NULL
)
1485 #ifndef OPENSSL_NO_EC
1486 if (!check_suiteb_cipher_list(ssl_method
, c
, &rule_str
))
1491 * To reduce the work to do we only want to process the compiled
1492 * in algorithms, so we first get the mask of disabled ciphers.
1494 ssl_cipher_get_disabled(&disabled_mkey
, &disabled_auth
, &disabled_enc
,
1495 &disabled_mac
, &disabled_ssl
);
1498 * Now we have to collect the available ciphers from the compiled
1499 * in ciphers. We cannot get more than the number compiled in, so
1500 * it is used for allocation.
1502 num_of_ciphers
= ssl_method
->num_ciphers();
1504 fprintf(stderr
, "ssl_create_cipher_list() for %d ciphers\n",
1506 #endif /* KSSL_DEBUG */
1508 (CIPHER_ORDER
*)OPENSSL_malloc(sizeof(CIPHER_ORDER
) * num_of_ciphers
);
1509 if (co_list
== NULL
) {
1510 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1511 return (NULL
); /* Failure */
1514 ssl_cipher_collect_ciphers(ssl_method
, num_of_ciphers
,
1515 disabled_mkey
, disabled_auth
, disabled_enc
,
1516 disabled_mac
, disabled_ssl
, co_list
, &head
,
1519 /* Now arrange all ciphers by preference: */
1522 * Everything else being equal, prefer ephemeral ECDH over other key
1523 * exchange mechanisms
1525 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1527 ssl_cipher_apply_rule(0, SSL_kECDHE
, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
,
1530 /* AES is our preferred symmetric cipher */
1531 ssl_cipher_apply_rule(0, 0, 0, SSL_AES
, 0, 0, 0, CIPHER_ADD
, -1, &head
,
1534 /* Temporarily enable everything else for sorting */
1535 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD
, -1, &head
, &tail
);
1537 /* Low priority for MD5 */
1538 ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5
, 0, 0, CIPHER_ORD
, -1, &head
,
1542 * Move anonymous ciphers to the end. Usually, these will remain
1543 * disabled. (For applications that allow them, they aren't too bad, but
1544 * we prefer authenticated ciphers.)
1546 ssl_cipher_apply_rule(0, 0, SSL_aNULL
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1549 /* Move ciphers without forward secrecy to the end */
1550 ssl_cipher_apply_rule(0, 0, SSL_aECDH
, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1553 * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
1556 ssl_cipher_apply_rule(0, SSL_kRSA
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1558 ssl_cipher_apply_rule(0, SSL_kPSK
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1560 ssl_cipher_apply_rule(0, SSL_kKRB5
, 0, 0, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1563 /* RC4 is sort-of broken -- move the the end */
1564 ssl_cipher_apply_rule(0, 0, 0, SSL_RC4
, 0, 0, 0, CIPHER_ORD
, -1, &head
,
1568 * Now sort by symmetric encryption strength. The above ordering remains
1569 * in force within each class
1571 if (!ssl_cipher_strength_sort(&head
, &tail
)) {
1572 OPENSSL_free(co_list
);
1576 /* Now disable everything (maintaining the ordering!) */
1577 ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL
, -1, &head
, &tail
);
1580 * We also need cipher aliases for selecting based on the rule_str.
1581 * There might be two types of entries in the rule_str: 1) names
1582 * of ciphers themselves 2) aliases for groups of ciphers.
1583 * For 1) we need the available ciphers and for 2) the cipher
1584 * groups of cipher_aliases added together in one list (otherwise
1585 * we would be happy with just the cipher_aliases table).
1587 num_of_group_aliases
= sizeof(cipher_aliases
) / sizeof(SSL_CIPHER
);
1588 num_of_alias_max
= num_of_ciphers
+ num_of_group_aliases
+ 1;
1589 ca_list
= OPENSSL_malloc(sizeof(SSL_CIPHER
*) * num_of_alias_max
);
1590 if (ca_list
== NULL
) {
1591 OPENSSL_free(co_list
);
1592 SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1593 return (NULL
); /* Failure */
1595 ssl_cipher_collect_aliases(ca_list
, num_of_group_aliases
,
1596 disabled_mkey
, disabled_auth
, disabled_enc
,
1597 disabled_mac
, disabled_ssl
, head
);
1600 * If the rule_string begins with DEFAULT, apply the default rule
1601 * before using the (possibly available) additional rules.
1605 if (strncmp(rule_str
, "DEFAULT", 7) == 0) {
1606 ok
= ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST
,
1607 &head
, &tail
, ca_list
, c
);
1613 if (ok
&& (strlen(rule_p
) > 0))
1614 ok
= ssl_cipher_process_rulestr(rule_p
, &head
, &tail
, ca_list
, c
);
1616 OPENSSL_free((void *)ca_list
); /* Not needed anymore */
1618 if (!ok
) { /* Rule processing failure */
1619 OPENSSL_free(co_list
);
1624 * Allocate new "cipherstack" for the result, return with error
1625 * if we cannot get one.
1627 if ((cipherstack
= sk_SSL_CIPHER_new_null()) == NULL
) {
1628 OPENSSL_free(co_list
);
1633 * The cipher selection for the list is done. The ciphers are added
1634 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
1636 for (curr
= head
; curr
!= NULL
; curr
= curr
->next
) {
1638 && (!FIPS_mode() || curr
->cipher
->algo_strength
& SSL_FIPS
)) {
1639 if (!sk_SSL_CIPHER_push(cipherstack
, curr
->cipher
)) {
1640 OPENSSL_free(co_list
);
1641 sk_SSL_CIPHER_free(cipherstack
);
1645 fprintf(stderr
, "<%s>\n", curr
->cipher
->name
);
1649 OPENSSL_free(co_list
); /* Not needed any longer */
1651 tmp_cipher_list
= sk_SSL_CIPHER_dup(cipherstack
);
1652 if (tmp_cipher_list
== NULL
) {
1653 sk_SSL_CIPHER_free(cipherstack
);
1656 if (*cipher_list
!= NULL
)
1657 sk_SSL_CIPHER_free(*cipher_list
);
1658 *cipher_list
= cipherstack
;
1659 if (*cipher_list_by_id
!= NULL
)
1660 sk_SSL_CIPHER_free(*cipher_list_by_id
);
1661 *cipher_list_by_id
= tmp_cipher_list
;
1662 (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id
,
1663 ssl_cipher_ptr_id_cmp
);
1665 sk_SSL_CIPHER_sort(*cipher_list_by_id
);
1666 return (cipherstack
);
1669 char *SSL_CIPHER_description(const SSL_CIPHER
*cipher
, char *buf
, int len
)
1671 int is_export
, pkl
, kl
;
1672 const char *ver
, *exp_str
;
1673 const char *kx
, *au
, *enc
, *mac
;
1674 unsigned long alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
;
1676 static const char *format
=
1677 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n";
1679 static const char *format
=
1680 "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
1681 #endif /* KSSL_DEBUG */
1683 alg_mkey
= cipher
->algorithm_mkey
;
1684 alg_auth
= cipher
->algorithm_auth
;
1685 alg_enc
= cipher
->algorithm_enc
;
1686 alg_mac
= cipher
->algorithm_mac
;
1687 alg_ssl
= cipher
->algorithm_ssl
;
1689 is_export
= SSL_C_IS_EXPORT(cipher
);
1690 pkl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
1691 kl
= SSL_C_EXPORT_KEYLENGTH(cipher
);
1692 exp_str
= is_export
? " export" : "";
1694 if (alg_ssl
& SSL_SSLV3
)
1696 else if (alg_ssl
& SSL_TLSV1_2
)
1703 kx
= is_export
? (pkl
== 512 ? "RSA(512)" : "RSA(1024)") : "RSA";
1715 kx
= is_export
? (pkl
== 512 ? "DH(512)" : "DH(1024)") : "DH";
1780 enc
= (is_export
&& kl
== 5) ? "DES(40)" : "DES(56)";
1786 enc
= is_export
? (kl
== 5 ? "RC4(40)" : "RC4(56)") : "RC4(128)";
1789 enc
= is_export
? (kl
== 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)";
1804 enc
= "AESGCM(128)";
1807 enc
= "AESGCM(256)";
1809 case SSL_CAMELLIA128
:
1810 enc
= "Camellia(128)";
1812 case SSL_CAMELLIA256
:
1813 enc
= "Camellia(256)";
1818 case SSL_eGOST2814789CNT
:
1819 enc
= "GOST89(256)";
1855 buf
= OPENSSL_malloc(len
);
1857 return ("OPENSSL_malloc Error");
1858 } else if (len
< 128)
1859 return ("Buffer too small");
1862 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1863 exp_str
, alg_mkey
, alg_auth
, alg_enc
, alg_mac
, alg_ssl
);
1865 BIO_snprintf(buf
, len
, format
, cipher
->name
, ver
, kx
, au
, enc
, mac
,
1867 #endif /* KSSL_DEBUG */
1871 char *SSL_CIPHER_get_version(const SSL_CIPHER
*c
)
1877 i
= (int)(c
->id
>> 24L);
1879 return ("TLSv1/SSLv3");
1884 /* return the actual cipher being used */
1885 const char *SSL_CIPHER_get_name(const SSL_CIPHER
*c
)
1892 /* number of bits for symmetric cipher */
1893 int SSL_CIPHER_get_bits(const SSL_CIPHER
*c
, int *alg_bits
)
1898 if (alg_bits
!= NULL
)
1899 *alg_bits
= c
->alg_bits
;
1900 ret
= c
->strength_bits
;
1905 unsigned long SSL_CIPHER_get_id(const SSL_CIPHER
*c
)
1910 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
)
1915 if ((n
== 0) || (sk
== NULL
))
1917 nn
= sk_SSL_COMP_num(sk
);
1918 for (i
= 0; i
< nn
; i
++) {
1919 ctmp
= sk_SSL_COMP_value(sk
, i
);
1926 #ifdef OPENSSL_NO_COMP
1927 void *SSL_COMP_get_compression_methods(void)
1932 int SSL_COMP_add_compression_method(int id
, void *cm
)
1937 const char *SSL_COMP_get_name(const void *comp
)
1942 STACK_OF(SSL_COMP
) *SSL_COMP_get_compression_methods(void)
1944 load_builtin_compressions();
1945 return (ssl_comp_methods
);
1948 STACK_OF(SSL_COMP
) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP
)
1951 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1952 ssl_comp_methods
= meths
;
1956 static void cmeth_free(SSL_COMP
*cm
)
1961 void SSL_COMP_free_compression_methods(void)
1963 STACK_OF(SSL_COMP
) *old_meths
= ssl_comp_methods
;
1964 ssl_comp_methods
= NULL
;
1965 sk_SSL_COMP_pop_free(old_meths
, cmeth_free
);
1968 int SSL_COMP_add_compression_method(int id
, COMP_METHOD
*cm
)
1972 if (cm
== NULL
|| cm
->type
== NID_undef
)
1976 * According to draft-ietf-tls-compression-04.txt, the
1977 * compression number ranges should be the following:
1979 * 0 to 63: methods defined by the IETF
1980 * 64 to 192: external party methods assigned by IANA
1981 * 193 to 255: reserved for private use
1983 if (id
< 193 || id
> 255) {
1984 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
1985 SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE
);
1990 comp
= (SSL_COMP
*)OPENSSL_malloc(sizeof(SSL_COMP
));
1993 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
1999 load_builtin_compressions();
2000 if (ssl_comp_methods
&& sk_SSL_COMP_find(ssl_comp_methods
, comp
) >= 0) {
2003 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
,
2004 SSL_R_DUPLICATE_COMPRESSION_ID
);
2006 } else if ((ssl_comp_methods
== NULL
)
2007 || !sk_SSL_COMP_push(ssl_comp_methods
, comp
)) {
2010 SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD
, ERR_R_MALLOC_FAILURE
);
2018 const char *SSL_COMP_get_name(const COMP_METHOD
*comp
)
2025 /* For a cipher return the index corresponding to the certificate type */
2026 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
)
2028 unsigned long alg_k
, alg_a
;
2030 alg_k
= c
->algorithm_mkey
;
2031 alg_a
= c
->algorithm_auth
;
2033 if (alg_k
& (SSL_kECDHr
| SSL_kECDHe
)) {
2035 * we don't need to look at SSL_kECDHE since no certificate is needed
2036 * for anon ECDH and for authenticated ECDHE, the check for the auth
2037 * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
2038 * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
2039 * checks for SSL_kECDH before RSA checks ensures the correct cert is
2042 return SSL_PKEY_ECC
;
2043 } else if (alg_a
& SSL_aECDSA
)
2044 return SSL_PKEY_ECC
;
2045 else if (alg_k
& SSL_kDHr
)
2046 return SSL_PKEY_DH_RSA
;
2047 else if (alg_k
& SSL_kDHd
)
2048 return SSL_PKEY_DH_DSA
;
2049 else if (alg_a
& SSL_aDSS
)
2050 return SSL_PKEY_DSA_SIGN
;
2051 else if (alg_a
& SSL_aRSA
)
2052 return SSL_PKEY_RSA_ENC
;
2053 else if (alg_a
& SSL_aKRB5
)
2054 /* VRS something else here? */
2056 else if (alg_a
& SSL_aGOST94
)
2057 return SSL_PKEY_GOST94
;
2058 else if (alg_a
& SSL_aGOST01
)
2059 return SSL_PKEY_GOST01
;
2063 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
)
2065 const SSL_CIPHER
*c
;
2066 c
= ssl
->method
->get_cipher_by_char(ptr
);
2067 if (c
== NULL
|| c
->valid
== 0)
2072 const SSL_CIPHER
*SSL_CIPHER_find(SSL
*ssl
, const unsigned char *ptr
)
2074 return ssl
->method
->get_cipher_by_char(ptr
);