89 lines
3.4 KiB
C
89 lines
3.4 KiB
C
/* crypto/ecdsa/ecdsa_sign.c */
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* 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 above 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 acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@OpenSSL.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED 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 OpenSSL PROJECT OR
|
|
* ITS 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.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com).
|
|
*
|
|
*/
|
|
|
|
#include "ecdsa.h"
|
|
#include <openssl/engine.h>
|
|
|
|
ECDSA_SIG * ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
|
|
{
|
|
ECDSA_DATA *ecdsa = ecdsa_check(eckey);
|
|
if (ecdsa == NULL)
|
|
return NULL;
|
|
return ecdsa->meth->ecdsa_do_sign(dgst, dlen, eckey);
|
|
}
|
|
|
|
int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
|
|
*sig, unsigned int *siglen, EC_KEY *eckey)
|
|
{
|
|
ECDSA_SIG *s;
|
|
s=ECDSA_do_sign(dgst,dlen,eckey);
|
|
if (s == NULL)
|
|
{
|
|
*siglen=0;
|
|
return(0);
|
|
}
|
|
*siglen=i2d_ECDSA_SIG(s,&sig);
|
|
ECDSA_SIG_free(s);
|
|
return(1);
|
|
}
|
|
|
|
int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
|
|
BIGNUM **rp)
|
|
{
|
|
ECDSA_DATA *ecdsa = ecdsa_check(eckey);
|
|
if (ecdsa == NULL)
|
|
return 0;
|
|
return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
|
|
}
|