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 

    65 EXPORT_C 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 

    75 EXPORT_C 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 

    97 EXPORT_C 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 

   105 EXPORT_C 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 

   113 EXPORT_C 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 	}