mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-14 03:30:02 +00:00
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/**
|
|
* Copyright (c) 2013 Tomas Dzetkulic
|
|
* Copyright (c) 2013 Pavol Rusnak
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
|
|
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __SECP256K1_H__
|
|
#define __SECP256K1_H__
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "bignum.h"
|
|
|
|
// curve point x and y
|
|
typedef struct {
|
|
bignum256 x, y;
|
|
} curve_point;
|
|
|
|
// secp256k1 prime
|
|
extern const bignum256 prime256k1;
|
|
|
|
// secp256k1 initial curve point
|
|
extern const curve_point G256k1;
|
|
|
|
// secp256k1 order of G
|
|
extern const bignum256 order256k1;
|
|
|
|
// secp256k1 order of G / 2
|
|
extern const bignum256 order256k1_half;
|
|
|
|
// 3/2 in G_p
|
|
extern const bignum256 three_over_two256k1;
|
|
|
|
#if USE_PRECOMPUTED_IV
|
|
extern const bignum256 secp256k1_iv[256];
|
|
#endif
|
|
|
|
#if USE_PRECOMPUTED_CP
|
|
extern const curve_point secp256k1_cp[256];
|
|
#endif
|
|
|
|
#endif
|