xref: /onnv-gate/usr/src/common/openssl/crypto/evp/m_ecdsa.c (revision 2139:6243c3338933)
1*2139Sjp161948 /* crypto/evp/m_ecdsa.c */
2*2139Sjp161948 /* ====================================================================
3*2139Sjp161948  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
4*2139Sjp161948  *
5*2139Sjp161948  * Redistribution and use in source and binary forms, with or without
6*2139Sjp161948  * modification, are permitted provided that the following conditions
7*2139Sjp161948  * are met:
8*2139Sjp161948  *
9*2139Sjp161948  * 1. Redistributions of source code must retain the above copyright
10*2139Sjp161948  *    notice, this list of conditions and the following disclaimer.
11*2139Sjp161948  *
12*2139Sjp161948  * 2. Redistributions in binary form must reproduce the above copyright
13*2139Sjp161948  *    notice, this list of conditions and the following disclaimer in
14*2139Sjp161948  *    the documentation and/or other materials provided with the
15*2139Sjp161948  *    distribution.
16*2139Sjp161948  *
17*2139Sjp161948  * 3. All advertising materials mentioning features or use of this
18*2139Sjp161948  *    software must display the following acknowledgment:
19*2139Sjp161948  *    "This product includes software developed by the OpenSSL Project
20*2139Sjp161948  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21*2139Sjp161948  *
22*2139Sjp161948  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23*2139Sjp161948  *    endorse or promote products derived from this software without
24*2139Sjp161948  *    prior written permission. For written permission, please contact
25*2139Sjp161948  *    openssl-core@openssl.org.
26*2139Sjp161948  *
27*2139Sjp161948  * 5. Products derived from this software may not be called "OpenSSL"
28*2139Sjp161948  *    nor may "OpenSSL" appear in their names without prior written
29*2139Sjp161948  *    permission of the OpenSSL Project.
30*2139Sjp161948  *
31*2139Sjp161948  * 6. Redistributions of any form whatsoever must retain the following
32*2139Sjp161948  *    acknowledgment:
33*2139Sjp161948  *    "This product includes software developed by the OpenSSL Project
34*2139Sjp161948  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35*2139Sjp161948  *
36*2139Sjp161948  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37*2139Sjp161948  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38*2139Sjp161948  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39*2139Sjp161948  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40*2139Sjp161948  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41*2139Sjp161948  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42*2139Sjp161948  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43*2139Sjp161948  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44*2139Sjp161948  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45*2139Sjp161948  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46*2139Sjp161948  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47*2139Sjp161948  * OF THE POSSIBILITY OF SUCH DAMAGE.
48*2139Sjp161948  * ====================================================================
49*2139Sjp161948  *
50*2139Sjp161948  * This product includes cryptographic software written by Eric Young
51*2139Sjp161948  * (eay@cryptsoft.com).  This product includes software written by Tim
52*2139Sjp161948  * Hudson (tjh@cryptsoft.com).
53*2139Sjp161948  *
54*2139Sjp161948  */
55*2139Sjp161948 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56*2139Sjp161948  * All rights reserved.
57*2139Sjp161948  *
58*2139Sjp161948  * This package is an SSL implementation written
59*2139Sjp161948  * by Eric Young (eay@cryptsoft.com).
60*2139Sjp161948  * The implementation was written so as to conform with Netscapes SSL.
61*2139Sjp161948  *
62*2139Sjp161948  * This library is free for commercial and non-commercial use as long as
63*2139Sjp161948  * the following conditions are aheared to.  The following conditions
64*2139Sjp161948  * apply to all code found in this distribution, be it the RC4, RSA,
65*2139Sjp161948  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
66*2139Sjp161948  * included with this distribution is covered by the same copyright terms
67*2139Sjp161948  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
68*2139Sjp161948  *
69*2139Sjp161948  * Copyright remains Eric Young's, and as such any Copyright notices in
70*2139Sjp161948  * the code are not to be removed.
71*2139Sjp161948  * If this package is used in a product, Eric Young should be given attribution
72*2139Sjp161948  * as the author of the parts of the library used.
73*2139Sjp161948  * This can be in the form of a textual message at program startup or
74*2139Sjp161948  * in documentation (online or textual) provided with the package.
75*2139Sjp161948  *
76*2139Sjp161948  * Redistribution and use in source and binary forms, with or without
77*2139Sjp161948  * modification, are permitted provided that the following conditions
78*2139Sjp161948  * are met:
79*2139Sjp161948  * 1. Redistributions of source code must retain the copyright
80*2139Sjp161948  *    notice, this list of conditions and the following disclaimer.
81*2139Sjp161948  * 2. Redistributions in binary form must reproduce the above copyright
82*2139Sjp161948  *    notice, this list of conditions and the following disclaimer in the
83*2139Sjp161948  *    documentation and/or other materials provided with the distribution.
84*2139Sjp161948  * 3. All advertising materials mentioning features or use of this software
85*2139Sjp161948  *    must display the following acknowledgement:
86*2139Sjp161948  *    "This product includes cryptographic software written by
87*2139Sjp161948  *     Eric Young (eay@cryptsoft.com)"
88*2139Sjp161948  *    The word 'cryptographic' can be left out if the rouines from the library
89*2139Sjp161948  *    being used are not cryptographic related :-).
90*2139Sjp161948  * 4. If you include any Windows specific code (or a derivative thereof) from
91*2139Sjp161948  *    the apps directory (application code) you must include an acknowledgement:
92*2139Sjp161948  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
93*2139Sjp161948  *
94*2139Sjp161948  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95*2139Sjp161948  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96*2139Sjp161948  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97*2139Sjp161948  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98*2139Sjp161948  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99*2139Sjp161948  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100*2139Sjp161948  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101*2139Sjp161948  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102*2139Sjp161948  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103*2139Sjp161948  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
104*2139Sjp161948  * SUCH DAMAGE.
105*2139Sjp161948  *
106*2139Sjp161948  * The licence and distribution terms for any publically available version or
107*2139Sjp161948  * derivative of this code cannot be changed.  i.e. this code cannot simply be
108*2139Sjp161948  * copied and put under another distribution licence
109*2139Sjp161948  * [including the GNU Public Licence.]
110*2139Sjp161948  */
111*2139Sjp161948 
112*2139Sjp161948 #include <stdio.h>
113*2139Sjp161948 #include "cryptlib.h"
114*2139Sjp161948 #include <openssl/evp.h>
115*2139Sjp161948 #include <openssl/objects.h>
116*2139Sjp161948 #include <openssl/x509.h>
117*2139Sjp161948 
118*2139Sjp161948 #ifndef OPENSSL_NO_SHA
init(EVP_MD_CTX * ctx)119*2139Sjp161948 static int init(EVP_MD_CTX *ctx)
120*2139Sjp161948 	{ return SHA1_Init(ctx->md_data); }
121*2139Sjp161948 
update(EVP_MD_CTX * ctx,const void * data,size_t count)122*2139Sjp161948 static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
123*2139Sjp161948 	{ return SHA1_Update(ctx->md_data,data,count); }
124*2139Sjp161948 
final(EVP_MD_CTX * ctx,unsigned char * md)125*2139Sjp161948 static int final(EVP_MD_CTX *ctx,unsigned char *md)
126*2139Sjp161948 	{ return SHA1_Final(md,ctx->md_data); }
127*2139Sjp161948 
128*2139Sjp161948 static const EVP_MD ecdsa_md=
129*2139Sjp161948 	{
130*2139Sjp161948 	NID_ecdsa_with_SHA1,
131*2139Sjp161948 	NID_ecdsa_with_SHA1,
132*2139Sjp161948 	SHA_DIGEST_LENGTH,
133*2139Sjp161948 	0,
134*2139Sjp161948 	init,
135*2139Sjp161948 	update,
136*2139Sjp161948 	final,
137*2139Sjp161948 	NULL,
138*2139Sjp161948 	NULL,
139*2139Sjp161948 	EVP_PKEY_ECDSA_method,
140*2139Sjp161948 	SHA_CBLOCK,
141*2139Sjp161948 	sizeof(EVP_MD *)+sizeof(SHA_CTX),
142*2139Sjp161948 	};
143*2139Sjp161948 
EVP_ecdsa(void)144*2139Sjp161948 const EVP_MD *EVP_ecdsa(void)
145*2139Sjp161948 	{
146*2139Sjp161948 	return(&ecdsa_md);
147*2139Sjp161948 	}
148*2139Sjp161948 #endif
149