1 /* crypto/evp/names.c */
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.]
61 #include <openssl/evp.h>
62 #include <openssl/objects.h>
63 #include <openssl/x509.h>
65 int EVP_add_cipher(const EVP_CIPHER *c)
74 r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
79 r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
84 int EVP_add_digest(const EVP_MD *md)
90 name = OBJ_nid2sn(md->type);
91 r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md);
94 check_defer(md->type);
95 r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH,
100 if (md->pkey_type && md->type != md->pkey_type) {
101 r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
102 OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
105 check_defer(md->pkey_type);
106 r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
107 OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
112 const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
114 const EVP_CIPHER *cp;
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 cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);
128 void EVP_cleanup(void)
130 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
131 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
133 * The above calls will only clean out the contents of the name hash
134 * table, but not the hash table itself. The following line does that
135 * part. -- Richard Levitte
137 OBJ_NAME_cleanup(-1);
140 if (obj_cleanup_defer == 2) {
141 obj_cleanup_defer = 0;
147 struct doall_cipher {
149 void (*fn) (const EVP_CIPHER *ciph,
150 const char *from, const char *to, void *arg);
153 static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
155 struct doall_cipher *dc = arg;
157 dc->fn(NULL, nm->name, nm->data, dc->arg);
159 dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
162 void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
163 const char *from, const char *to, void *x),
166 struct doall_cipher dc;
169 OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
172 void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph,
173 const char *from, const char *to,
176 struct doall_cipher dc;
179 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
184 void (*fn) (const EVP_MD *ciph,
185 const char *from, const char *to, void *arg);
188 static void do_all_md_fn(const OBJ_NAME *nm, void *arg)
190 struct doall_md *dc = arg;
192 dc->fn(NULL, nm->name, nm->data, dc->arg);
194 dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
197 void EVP_MD_do_all(void (*fn) (const EVP_MD *md,
198 const char *from, const char *to, void *x),
204 OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
207 void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md,
208 const char *from, const char *to,
214 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);