[secp256k1.git] / src / ecdsa.h

/**********************************************************************
 * Copyright (c) 2013, 2014 Pieter Wuille                             *
 * Distributed under the MIT software license, see the accompanying   *
 * file COPYING or http://www.opensource.org/licenses/mit-license.php.*
 **********************************************************************/

#ifndef SECP256K1_ECDSA_H
#define SECP256K1_ECDSA_H

#include <stddef.h>

#include "scalar.h"
#include "group.h"
#include "ecmult.h"

static int secp256k1_ecdsa_sig_parse(secp256k1_scalar *r, secp256k1_scalar *s, const unsigned char *sig, size_t size);
static int secp256k1_ecdsa_sig_serialize(unsigned char *sig, size_t *size, const secp256k1_scalar *r, const secp256k1_scalar *s);
static int secp256k1_ecdsa_sig_verify(const secp256k1_ecmult_context *ctx, const secp256k1_scalar* r, const secp256k1_scalar* s, const secp256k1_ge *pubkey, const secp256k1_scalar *message);
static int secp256k1_ecdsa_sig_sign(const secp256k1_ecmult_gen_context *ctx, secp256k1_scalar* r, secp256k1_scalar* s, const secp256k1_scalar *seckey, const secp256k1_scalar *message, const secp256k1_scalar *nonce, int *recid);

#endif /* SECP256K1_ECDSA_H */
Commit	Line	Data
71712b27 GM	1	/**********************************************************************
	2	* Copyright (c) 2013, 2014 Pieter Wuille *
	3	* Distributed under the MIT software license, see the accompanying *
	4	* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
	5	**********************************************************************/
0a433ea2	6
abe2d3e8 DR	7	#ifndef SECP256K1_ECDSA_H
abe2d3e8 DR	8	#define SECP256K1_ECDSA_H
83e640f0	9
788038d3 LD	10	#include <stddef.h>
788038d3 LD	11
f24041d6 PW	12	#include "scalar.h"
f24041d6 PW	13	#include "group.h"
a9b6595e	14	#include "ecmult.h"
f24041d6	15
dd891e0e PW	16	static int secp256k1_ecdsa_sig_parse(secp256k1_scalar r, secp256k1_scalar s, const unsigned char *sig, size_t size);
	17	static int secp256k1_ecdsa_sig_serialize(unsigned char sig, size_t size, const secp256k1_scalar r, const secp256k1_scalar s);
	18	static int secp256k1_ecdsa_sig_verify(const secp256k1_ecmult_context ctx, const secp256k1_scalar r, const secp256k1_scalar* s, const secp256k1_ge pubkey, const secp256k1_scalar message);
	19	static int secp256k1_ecdsa_sig_sign(const secp256k1_ecmult_gen_context ctx, secp256k1_scalar r, secp256k1_scalar* s, const secp256k1_scalar seckey, const secp256k1_scalar message, const secp256k1_scalar nonce, int recid);
83e640f0	20
abe2d3e8	21	#endif /* SECP256K1_ECDSA_H */