diff options
| author | Arne Schwabe <arne@rfc2549.org> | 2012-04-16 19:21:14 +0200 | 
|---|---|---|
| committer | Arne Schwabe <arne@rfc2549.org> | 2012-04-16 19:21:14 +0200 | 
| commit | 3e4d8f433239c40311037616b1b8833a06651ae0 (patch) | |
| tree | 98ab7fce0d011d34677b0beb762d389cb5c39199 /openssl/crypto/ecdsa/ecs_sign.c | |
Initial import
Diffstat (limited to 'openssl/crypto/ecdsa/ecs_sign.c')
| -rw-r--r-- | openssl/crypto/ecdsa/ecs_sign.c | 106 | 
1 files changed, 106 insertions, 0 deletions
| diff --git a/openssl/crypto/ecdsa/ecs_sign.c b/openssl/crypto/ecdsa/ecs_sign.c new file mode 100644 index 00000000..353d5af5 --- /dev/null +++ b/openssl/crypto/ecdsa/ecs_sign.c @@ -0,0 +1,106 @@ +/* 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 "ecs_locl.h" +#ifndef OPENSSL_NO_ENGINE +#include <openssl/engine.h> +#endif +#include <openssl/rand.h> + +ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey) +{ +	return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey); +} + +ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen, +	const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey) +{ +	ECDSA_DATA *ecdsa = ecdsa_check(eckey); +	if (ecdsa == NULL) +		return NULL; +	return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey); +} + +int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char  +		*sig, unsigned int *siglen, EC_KEY *eckey) +{ +	return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey); +} + +int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char  +	*sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r,  +	EC_KEY *eckey) +{ +	ECDSA_SIG *s; +	RAND_seed(dgst, dlen); +	s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, 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);  +} | 
