names.c
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上传日期:2020-08-09
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- /* crypto/evp/names.c */
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
- #include <stdio.h>
- #include "cryptlib.h"
- #include <openssl/evp.h>
- #include <openssl/objects.h>
- #include <openssl/x509.h>
- int EVP_add_cipher(const EVP_CIPHER *c)
- {
- int r;
- r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c);
- if (r == 0) return(0);
- r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c);
- return(r);
- }
- int EVP_add_digest(const EVP_MD *md)
- {
- int r;
- const char *name;
- name=OBJ_nid2sn(md->type);
- r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md);
- if (r == 0) return(0);
- r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md);
- if (r == 0) return(0);
- if (md->type != md->pkey_type)
- {
- r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
- OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
- if (r == 0) return(0);
- r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
- OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
- }
- return(r);
- }
- const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
- {
- const EVP_CIPHER *cp;
- cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH);
- return(cp);
- }
- const EVP_MD *EVP_get_digestbyname(const char *name)
- {
- const EVP_MD *cp;
- cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH);
- return(cp);
- }
- void EVP_cleanup(void)
- {
- OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
- OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
- /* The above calls will only clean out the contents of the name
- hash table, but not the hash table itself. The following line
- does that part. -- Richard Levitte */
- OBJ_NAME_cleanup(-1);
- EVP_PBE_cleanup();
- }