1 /* 2 * Copyright (C) 2017 - This file is part of libecc project 3 * 4 * Authors: 5 * Ryad BENADJILA <ryadbenadjila@gmail.com> 6 * Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr> 7 * Jean-Pierre FLORI <jean-pierre.flori@ssi.gouv.fr> 8 * 9 * Contributors: 10 * Nicolas VIVET <nicolas.vivet@ssi.gouv.fr> 11 * Karim KHALFALLAH <karim.khalfallah@ssi.gouv.fr> 12 * 13 * This software is licensed under a dual BSD and GPL v2 license. 14 * See LICENSE file at the root folder of the project. 15 */ 16 #include <libecc/lib_ecc_config.h> 17 #include <libecc/lib_ecc_types.h> 18 #ifdef WITH_SIG_DECDSA 19 20 #ifndef __DECDSA_H__ 21 #define __DECDSA_H__ 22 23 #include <libecc/sig/ecdsa_common.h> 24 25 ATTRIBUTE_WARN_UNUSED_RET int decdsa_init_pub_key(ec_pub_key *out_pub, const ec_priv_key *in_priv); 26 27 ATTRIBUTE_WARN_UNUSED_RET int decdsa_siglen(u16 p_bit_len, u16 q_bit_len, u8 hsize, u8 blocksize, u8 *siglen); 28 29 ATTRIBUTE_WARN_UNUSED_RET int _decdsa_sign_init(struct ec_sign_context *ctx); 30 31 ATTRIBUTE_WARN_UNUSED_RET int _decdsa_sign_update(struct ec_sign_context *ctx, 32 const u8 *chunk, u32 chunklen); 33 34 ATTRIBUTE_WARN_UNUSED_RET int _decdsa_sign_finalize(struct ec_sign_context *ctx, u8 *sig, u8 siglen); 35 36 ATTRIBUTE_WARN_UNUSED_RET int _decdsa_verify_init(struct ec_verify_context *ctx, 37 const u8 *sig, u8 siglen); 38 39 ATTRIBUTE_WARN_UNUSED_RET int _decdsa_verify_update(struct ec_verify_context *ctx, 40 const u8 *chunk, u32 chunklen); 41 42 ATTRIBUTE_WARN_UNUSED_RET int _decdsa_verify_finalize(struct ec_verify_context *ctx); 43 44 ATTRIBUTE_WARN_UNUSED_RET int decdsa_public_key_from_sig(ec_pub_key *out_pub1, ec_pub_key *out_pub2, const ec_params *params, 45 const u8 *sig, u8 siglen, const u8 *hash, u8 hsize); 46 47 #endif /* __DECDSA_H__ */ 48 #endif /* WITH_SIG_DECDSA */ 49