1 /* crypto/evp/m_ecdsa.c */

     2 /* ====================================================================

     3  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  *

     9  * 1. Redistributions of source code must retain the above copyright

    10  *    notice, this list of conditions and the following disclaimer. 

    11  *

    12  * 2. Redistributions in binary form must reproduce the above copyright

    13  *    notice, this list of conditions and the following disclaimer in

    14  *    the documentation and/or other materials provided with the

    15  *    distribution.

    16  *

    17  * 3. All advertising materials mentioning features or use of this

    18  *    software must display the following acknowledgment:

    19  *    "This product includes software developed by the OpenSSL Project

    20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"

    21  *

    22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

    23  *    endorse or promote products derived from this software without

    24  *    prior written permission. For written permission, please contact

    25  *    openssl-core@openssl.org.

    26  *

    27  * 5. Products derived from this software may not be called "OpenSSL"

    28  *    nor may "OpenSSL" appear in their names without prior written

    29  *    permission of the OpenSSL Project.

    30  *

    31  * 6. Redistributions of any form whatsoever must retain the following

    32  *    acknowledgment:

    33  *    "This product includes software developed by the OpenSSL Project

    34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"

    35  *

    36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

    37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR

    40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

    42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

    47  * OF THE POSSIBILITY OF SUCH DAMAGE.

    48  * ====================================================================

    49  *

    50  * This product includes cryptographic software written by Eric Young

    51  * (eay@cryptsoft.com).  This product includes software written by Tim

    52  * Hudson (tjh@cryptsoft.com).

    53  *

    54  */

    55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

    56  * All rights reserved.

    57  *

    58  * This package is an SSL implementation written

    59  * by Eric Young (eay@cryptsoft.com).

    60  * The implementation was written so as to conform with Netscapes SSL.

    61  * 

    62  * This library is free for commercial and non-commercial use as long as

    63  * the following conditions are aheared to.  The following conditions

    64  * apply to all code found in this distribution, be it the RC4, RSA,

    65  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

    66  * included with this distribution is covered by the same copyright terms

    67  * except that the holder is Tim Hudson (tjh@cryptsoft.com).

    68  * 

    69  * Copyright remains Eric Young's, and as such any Copyright notices in

    70  * the code are not to be removed.

    71  * If this package is used in a product, Eric Young should be given attribution

    72  * as the author of the parts of the library used.

    73  * This can be in the form of a textual message at program startup or

    74  * in documentation (online or textual) provided with the package.

    75  * 

    76  * Redistribution and use in source and binary forms, with or without

    77  * modification, are permitted provided that the following conditions

    78  * are met:

    79  * 1. Redistributions of source code must retain the copyright

    80  *    notice, this list of conditions and the following disclaimer.

    81  * 2. Redistributions in binary form must reproduce the above copyright

    82  *    notice, this list of conditions and the following disclaimer in the

    83  *    documentation and/or other materials provided with the distribution.

    84  * 3. All advertising materials mentioning features or use of this software

    85  *    must display the following acknowledgement:

    86  *    "This product includes cryptographic software written by

    87  *     Eric Young (eay@cryptsoft.com)"

    88  *    The word 'cryptographic' can be left out if the rouines from the library

    89  *    being used are not cryptographic related :-).

    90  * 4. If you include any Windows specific code (or a derivative thereof) from 

    91  *    the apps directory (application code) you must include an acknowledgement:

    92  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

    93  * 

    94  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

    95  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    96  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    97  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

    98  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    99  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

   100  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

   101  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

   102  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

   103  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

   104  * SUCH DAMAGE.

   105  * 

   106  * The licence and distribution terms for any publically available version or

   107  * derivative of this code cannot be changed.  i.e. this code cannot simply be

   108  * copied and put under another distribution licence

   109  * [including the GNU Public Licence.]

   110  */

   111 

   112 #include <stdio.h>

   113 #include "cryptlib.h"

   114 #include <openssl/evp.h>

   115 #include <openssl/objects.h>

   116 #include <openssl/x509.h>

   117 

   118 #ifndef OPENSSL_NO_SHA

   119 static int init(EVP_MD_CTX *ctx)

   120 	{ return SHA1_Init(ctx->md_data); }

   121 

   122 static int update(EVP_MD_CTX *ctx,const void *data,size_t count)

   123 	{ return SHA1_Update(ctx->md_data,data,count); }

   124 

   125 static int final(EVP_MD_CTX *ctx,unsigned char *md)

   126 	{ return SHA1_Final(md,ctx->md_data); }

   127 

   128 static const EVP_MD ecdsa_md=

   129 	{

   130 	NID_ecdsa_with_SHA1,

   131 	NID_ecdsa_with_SHA1,

   132 	SHA_DIGEST_LENGTH,

   133 	0,

   134 	init,

   135 	update,

   136 	final,

   137 	NULL,

   138 	NULL,

   139 	EVP_PKEY_ECDSA_method,

   140 	SHA_CBLOCK,

   141 	sizeof(EVP_MD *)+sizeof(SHA_CTX),

   142 	};

   143 

   144 EXPORT_C const EVP_MD *EVP_ecdsa(void)

   145 	{

   146 	return(&ecdsa_md);

   147 	}

   148 #endif