3 This file is part of the AVR-Crypto-Lib.
4 Copyright (C) 2012 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "hashfunction_descriptor.h"
31 typedef bigint_t ecdsa_privkey_t;
32 typedef ecc_affine_point_t ecdsa_pubkey_t;
35 ecdsa_privkey_t *priv;
37 ecc_curve_sp_t *curve;
38 ecc_chudnovsky_point_t *basepoint;
41 typedef uint8_t(*rand_func_ptr_t)(void);
43 #define ECDSA_SIGNATURE_OK 1
44 #define ECDSA_SIGNATURE_FAIL 0
46 uint8_t ecdsa_sign_bigint(ecdsa_signature_t *s, const bigint_t *m,
47 const ecdsa_ctx_t *ctx, const bigint_t *k);
48 uint8_t ecdsa_sign_message(ecdsa_signature_t *s, const void *m, uint16_t m_len_b,
49 const hfdesc_t *hash_desc, const ecdsa_ctx_t *ctx,
51 uint8_t ecdsa_verify_bigint(const ecdsa_signature_t *s, const bigint_t *m,
52 const ecdsa_ctx_t *ctx);
53 uint8_t ecdsa_verify_message(const ecdsa_signature_t *s, const void *m, uint16_t m_len_b,
54 const hfdesc_t *hash_desc, const ecdsa_ctx_t *ctx);