1 /* crypto/evp/names.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/evp.h>
62 #include <openssl/objects.h>
63 #include <openssl/x509.h>
64
EVP_add_cipher(const EVP_CIPHER * c)65 int EVP_add_cipher(const EVP_CIPHER *c)
66 {
67 int r;
68
69 r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c);
70 if (r == 0) return(0);
71 r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c);
72 return(r);
73 }
74
EVP_add_digest(const EVP_MD * md)75 int EVP_add_digest(const EVP_MD *md)
76 {
77 int r;
78 const char *name;
79
80 name=OBJ_nid2sn(md->type);
81 r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md);
82 if (r == 0) return(0);
83 r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md);
84 if (r == 0) return(0);
85
86 if (md->type != md->pkey_type)
87 {
88 r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
89 OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
90 if (r == 0) return(0);
91 r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
92 OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
93 }
94 return(r);
95 }
96
EVP_get_cipherbyname(const char * name)97 const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
98 {
99 const EVP_CIPHER *cp;
100
101 cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH);
102 return(cp);
103 }
104
EVP_get_digestbyname(const char * name)105 const EVP_MD *EVP_get_digestbyname(const char *name)
106 {
107 const EVP_MD *cp;
108
109 cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH);
110 return(cp);
111 }
112
EVP_cleanup(void)113 void EVP_cleanup(void)
114 {
115 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
116 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
117 /* The above calls will only clean out the contents of the name
118 hash table, but not the hash table itself. The following line
119 does that part. -- Richard Levitte */
120 OBJ_NAME_cleanup(-1);
121
122 EVP_PBE_cleanup();
123 }
124