ninty-233/bin/include/ninty-233.h
2019-11-05 14:23:17 -05:00

60 lines
1.7 KiB
C

/*
ninty-233
Library for ECC operations using keys defined with
sect233r1 / NIST B-233 -- the curve/domain parameters
used by Nintendo in the iQue Player and Wii.
Copyright © 2018, 2019 Jbop (https://github.com/jbop1626)
This file is a part of ninty-233.
ninty-233 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.
ninty-233 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 NINTY_233_H
#define NINTY_233_H
#include <stdint.h>
#include "ecc/ecc.h"
#include "mini-gmp/mini-gmp.h"
#if defined (__cplusplus)
extern "C" {
#endif
/*
Multi-precision integer <--> GF(2^m) element conversions
*/
void mpz_to_gf2m(const mpz_t src, element dst);
void gf2m_to_mpz(const element src, mpz_t dst);
/*
SHA-1 result as multi-precision integer
*/
#define NOT_IQUE_HASH 0
#define IQUE_HASH 1
void sha1(const uint8_t * input, uint32_t input_length, unsigned ique_flag, mpz_t hash_out);
/*
ECC algorithms
*/
void ecdh(const element private_key, const ec_point * public_key, ec_point * shared_secret_output);
void ecdsa_sign(const mpz_t hash, const element private_key, element r_out, element s_out);
int ecdsa_verify(const mpz_t hash, const ec_point * public_key, const element r_input, const element s_input);
#if defined (__cplusplus)
}
#endif
#endif