ecdsa.c

/*
 *  Copyright (C) 2017 - This file is part of libecc project
 *
 *  Authors:
 *      Ryad BENADJILA <ryadbenadjila@gmail.com>
 *      Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr>
 *      Jean-Pierre FLORI <jean-pierre.flori@ssi.gouv.fr>
 *
 *  Contributors:
 *      Nicolas VIVET <nicolas.vivet@ssi.gouv.fr>
 *      Karim KHALFALLAH <karim.khalfallah@ssi.gouv.fr>
 *
 *  This software is licensed under a dual BSD and GPL v2 license.
 *  See LICENSE file at the root folder of the project.
 */
#include "../lib_ecc_config.h"
#ifdef WITH_SIG_ECDSA

#include "../nn/nn_rand.h"
#include "../nn/nn_mul.h"
#include "../nn/nn_logical.h"

#include "sig_algs_internal.h"
#include "ec_key.h"
#include "../utils/utils.h"
#ifdef VERBOSE_INNER_VALUES
#define EC_SIG_ALG "ECDSA"
#endif
#include "../utils/dbg_sig.h"

int ecdsa_init_pub_key(ec_pub_key *out_pub, const ec_priv_key *in_priv)
{
	return __ecdsa_init_pub_key(out_pub, in_priv, ECDSA);
}

int ecdsa_siglen(u16 p_bit_len, u16 q_bit_len, u8 hsize, u8 blocksize, u8 *siglen)
{
	return __ecdsa_siglen(p_bit_len, q_bit_len, hsize, blocksize, siglen);
}

int _ecdsa_sign_init(struct ec_sign_context *ctx)
{
	return __ecdsa_sign_init(ctx, ECDSA);
}

int _ecdsa_sign_update(struct ec_sign_context *ctx,
		       const u8 *chunk, u32 chunklen)
{
	return __ecdsa_sign_update(ctx, chunk, chunklen, ECDSA);
}

int _ecdsa_sign_finalize(struct ec_sign_context *ctx, u8 *sig, u8 siglen)
{
	return __ecdsa_sign_finalize(ctx, sig, siglen, ECDSA);
}

int _ecdsa_verify_init(struct ec_verify_context *ctx, const u8 *sig, u8 siglen)
{
	return __ecdsa_verify_init(ctx, sig, siglen, ECDSA);
}

int _ecdsa_verify_update(struct ec_verify_context *ctx,
			 const u8 *chunk, u32 chunklen)
{
	return __ecdsa_verify_update(ctx, chunk, chunklen, ECDSA);
}

int _ecdsa_verify_finalize(struct ec_verify_context *ctx)
{
	return __ecdsa_verify_finalize(ctx, ECDSA);
}

int ecdsa_public_key_from_sig(ec_pub_key *out_pub1, ec_pub_key *out_pub2, const ec_params *params,
                              const u8 *sig, u8 siglen, const u8 *hash, u8 hsize)
{
	return __ecdsa_public_key_from_sig(out_pub1, out_pub2, params, sig, siglen, hash, hsize, ECDSA);
}

#else /* WITH_SIG_ECDSA */

/*
 * Dummy definition to avoid the empty translation unit ISO C warning
 */
typedef int dummy;
#endif /* WITH_SIG_ECDSA */