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trezor-firmware/crypto/nist256p1.c
2019-04-15 19:14:52 +02:00

69 lines
2.5 KiB
C

/**
* Copyright (c) 2013-2014 Tomas Dzetkulic
* Copyright (c) 2013-2014 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.
*/
#include "nist256p1.h"
const ecdsa_curve nist256p1 = {
/* .prime */ {/*.val =*/{0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3f, 0x0, 0x0,
0x1000, 0x3fffc000, 0xffff}},
/* G */
{/*.x =*/{/*.val =*/{0x1898c296, 0x1284e517, 0x1eb33a0f, 0xdf604b,
0x2440f277, 0x339b958e, 0x4247f8b, 0x347cb84b,
0x6b17}},
/*.y =*/{/*.val =*/{0x37bf51f5, 0x2ed901a0, 0x3315ecec, 0x338cd5da,
0xf9e162b, 0x1fad29f0, 0x27f9b8ee, 0x10b8bf86,
0x4fe3}}},
/* order */
{/*.val =*/{0x3c632551, 0xee72b0b, 0x3179e84f, 0x39beab69, 0x3fffffbc,
0x3fffffff, 0xfff, 0x3fffc000, 0xffff}},
/* order_half */
{/*.val =*/{0x3e3192a8, 0x27739585, 0x38bcf427, 0x1cdf55b4, 0x3fffffde,
0x3fffffff, 0x7ff, 0x3fffe000, 0x7fff}},
/* a */ -3,
/* b */
{/*.val =*/{0x27d2604b, 0x2f38f0f8, 0x53b0f63, 0x741ac33, 0x1886bc65,
0x2ef555da, 0x293e7b3e, 0xd762a8e, 0x5ac6}}
#if USE_PRECOMPUTED_CP
,
/* cp */
{
#include "nist256p1.table"
}
#endif
};
const curve_info nist256p1_info = {
.bip32_name = "Nist256p1 seed",
.params = &nist256p1,
.hasher_base58 = HASHER_SHA2D,
.hasher_sign = HASHER_SHA2D,
.hasher_pubkey = HASHER_SHA2_RIPEMD,
.hasher_script = HASHER_SHA2,
};