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bg 2012-11-14 02:04:34 +01:00
parent 1bbc0b5dde
commit 39983bbdb6
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57
ecdsa/ecdsa.h Normal file
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/* ecdsa.h */
/*
This file is part of the AVR-Crypto-Lib.
Copyright (C) 2012 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ECDSA_H_
#define ECDSA_H_
#include "ecc.h"
#include "hashfunction_descriptor.h"
typedef struct{
bigint_t r;
bigint_t s;
} ecdsa_signature_t;
typedef bigint_t ecdsa_privkey_t;
typedef ecc_affine_point_t ecdsa_pubkey_t;
typedef struct{
ecdsa_privkey_t *priv;
ecdsa_pubkey_t *pub;
ecc_curve_sp_t *curve;
ecc_chudnovsky_point_t *basepoint;
} ecdsa_ctx_t;
typedef uint8_t(*rand_func_ptr_t)(void);
#define ECDSA_SIGNATURE_OK 1
#define ECDSA_SIGNATURE_FAIL 0
uint8_t ecdsa_sign_bigint(ecdsa_signature_t* s, const bigint_t* m,
const ecdsa_ctx_t* ctx, const bigint_t* k);
uint8_t ecdsa_sign_message(ecdsa_signature_t* s, const void* m, uint16_t m_len_b,
const hfdesc_t* hash_desc, const ecdsa_ctx_t* ctx,
const void *rand_in);
uint8_t ecdsa_verify_bigint(const ecdsa_signature_t* s, const bigint_t* m,
const ecdsa_ctx_t* ctx);
uint8_t ecdsa_verify_message(const ecdsa_signature_t* s, const void* m, uint16_t m_len_b,
const hfdesc_t* hash_desc, const ecdsa_ctx_t* ctx);
#endif /* ECDSA_H_ */

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/* random_dummy.c */
/*
This file is part of the ARM-Crypto-Lib.
Copyright (C) 2006-2011 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include "random_dummy.h"
uint8_t(*prng_get_byte)(void);

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ecdsa/random_dummy.h Normal file
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/* random.h */
/*
This file is part of the AVR-Crypto-Lib.
Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef RANDOM_H_
#define RANDOM_H_
#include <stdint.h>
extern uint8_t(*prng_get_byte)(void);
#endif /* RANDOM_H_ */