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.]
60 #include "internal/cryptlib.h"
61 #include <openssl/evp.h>
62 #include <openssl/objects.h>
63 #include <openssl/x509.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 cp
= (const EVP_CIPHER
*)OBJ_NAME_get(name
, OBJ_NAME_TYPE_CIPHER_METH
);
117 const EVP_MD
*EVP_get_digestbyname(const char *name
)
121 cp
= (const EVP_MD
*)OBJ_NAME_get(name
, OBJ_NAME_TYPE_MD_METH
);
125 void EVP_cleanup(void)
127 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH
);
128 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH
);
130 * The above calls will only clean out the contents of the name hash
131 * table, but not the hash table itself. The following line does that
132 * part. -- Richard Levitte
134 OBJ_NAME_cleanup(-1);
137 if (obj_cleanup_defer
== 2) {
138 obj_cleanup_defer
= 0;
144 struct doall_cipher
{
146 void (*fn
) (const EVP_CIPHER
*ciph
,
147 const char *from
, const char *to
, void *arg
);
150 static void do_all_cipher_fn(const OBJ_NAME
*nm
, void *arg
)
152 struct doall_cipher
*dc
= arg
;
154 dc
->fn(NULL
, nm
->name
, nm
->data
, dc
->arg
);
156 dc
->fn((const EVP_CIPHER
*)nm
->data
, nm
->name
, NULL
, dc
->arg
);
159 void EVP_CIPHER_do_all(void (*fn
) (const EVP_CIPHER
*ciph
,
160 const char *from
, const char *to
, void *x
),
163 struct doall_cipher dc
;
166 OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH
, do_all_cipher_fn
, &dc
);
169 void EVP_CIPHER_do_all_sorted(void (*fn
) (const EVP_CIPHER
*ciph
,
170 const char *from
, const char *to
,
173 struct doall_cipher dc
;
176 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH
, do_all_cipher_fn
, &dc
);
181 void (*fn
) (const EVP_MD
*ciph
,
182 const char *from
, const char *to
, void *arg
);
185 static void do_all_md_fn(const OBJ_NAME
*nm
, void *arg
)
187 struct doall_md
*dc
= arg
;
189 dc
->fn(NULL
, nm
->name
, nm
->data
, dc
->arg
);
191 dc
->fn((const EVP_MD
*)nm
->data
, nm
->name
, NULL
, dc
->arg
);
194 void EVP_MD_do_all(void (*fn
) (const EVP_MD
*md
,
195 const char *from
, const char *to
, void *x
),
201 OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH
, do_all_md_fn
, &dc
);
204 void EVP_MD_do_all_sorted(void (*fn
) (const EVP_MD
*md
,
205 const char *from
, const char *to
,
211 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH
, do_all_md_fn
, &dc
);