1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 #include "internal/cryptlib.h"
60 #include <openssl/evp.h>
61 #include <openssl/objects.h>
62 #include <openssl/x509.h>
63 #include "internal/evp_int.h"
65 int EVP_add_cipher(const EVP_CIPHER *c)
72 r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
77 r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
82 int EVP_add_digest(const EVP_MD *md)
87 name = OBJ_nid2sn(md->type);
88 r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md);
91 check_defer(md->type);
92 r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH,
97 if (md->pkey_type && md->type != md->pkey_type) {
98 r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
99 OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
102 check_defer(md->pkey_type);
103 r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
104 OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
109 const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
111 const EVP_CIPHER *cp;
113 if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL))
116 cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH);
120 const EVP_MD *EVP_get_digestbyname(const char *name)
124 if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL))
127 cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);
131 void EVP_cleanup(void)
133 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
134 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
136 * The above calls will only clean out the contents of the name hash
137 * table, but not the hash table itself. The following line does that
138 * part. -- Richard Levitte
140 OBJ_NAME_cleanup(-1);
143 if (obj_cleanup_defer == 2) {
144 obj_cleanup_defer = 0;
150 struct doall_cipher {
152 void (*fn) (const EVP_CIPHER *ciph,
153 const char *from, const char *to, void *arg);
156 static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
158 struct doall_cipher *dc = arg;
160 dc->fn(NULL, nm->name, nm->data, dc->arg);
162 dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
165 void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
166 const char *from, const char *to, void *x),
169 struct doall_cipher dc;
172 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL);
176 OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
179 void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph,
180 const char *from, const char *to,
183 struct doall_cipher dc;
186 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL);
190 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
195 void (*fn) (const EVP_MD *ciph,
196 const char *from, const char *to, void *arg);
199 static void do_all_md_fn(const OBJ_NAME *nm, void *arg)
201 struct doall_md *dc = arg;
203 dc->fn(NULL, nm->name, nm->data, dc->arg);
205 dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
208 void EVP_MD_do_all(void (*fn) (const EVP_MD *md,
209 const char *from, const char *to, void *x),
215 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
219 OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
222 void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md,
223 const char *from, const char *to,
228 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
232 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);