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trezor-firmware/crypto/secp256k1.c
2019-04-15 19:14:52 +02:00

94 lines
3.1 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 "secp256k1.h"
const ecdsa_curve secp256k1 = {
/* .prime */ {/*.val =*/{0x3ffffc2f, 0x3ffffffb, 0x3fffffff, 0x3fffffff,
0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff,
0xffff}},
/* G */
{/*.x =*/{/*.val =*/{0x16f81798, 0x27ca056c, 0x1ce28d95, 0x26ff36cb,
0x70b0702, 0x18a573a, 0xbbac55a, 0x199fbe77, 0x79be}},
/*.y =*/{/*.val =*/{0x3b10d4b8, 0x311f423f, 0x28554199, 0x5ed1229,
0x1108a8fd, 0x13eff038, 0x3c4655da, 0x369dc9a8,
0x483a}}},
/* order */
{/*.val =*/{0x10364141, 0x3f497a33, 0x348a03bb, 0x2bb739ab, 0x3ffffeba,
0x3fffffff, 0x3fffffff, 0x3fffffff, 0xffff}},
/* order_half */
{/*.val =*/{0x281b20a0, 0x3fa4bd19, 0x3a4501dd, 0x15db9cd5, 0x3fffff5d,
0x3fffffff, 0x3fffffff, 0x3fffffff, 0x7fff}},
/* a */ 0,
/* b */ {/*.val =*/{7}}
#if USE_PRECOMPUTED_CP
,
/* cp */
{
#include "secp256k1.table"
}
#endif
};
const curve_info secp256k1_info = {
.bip32_name = "Bitcoin seed",
.params = &secp256k1,
.hasher_base58 = HASHER_SHA2D,
.hasher_sign = HASHER_SHA2D,
.hasher_pubkey = HASHER_SHA2_RIPEMD,
.hasher_script = HASHER_SHA2,
};
const curve_info secp256k1_decred_info = {
.bip32_name = "Bitcoin seed",
.params = &secp256k1,
.hasher_base58 = HASHER_BLAKED,
.hasher_sign = HASHER_BLAKE,
.hasher_pubkey = HASHER_BLAKE_RIPEMD,
.hasher_script = HASHER_BLAKE,
};
const curve_info secp256k1_groestl_info = {
.bip32_name = "Bitcoin seed",
.params = &secp256k1,
.hasher_base58 = HASHER_GROESTLD_TRUNC,
.hasher_sign = HASHER_SHA2,
.hasher_pubkey = HASHER_SHA2_RIPEMD,
.hasher_script = HASHER_SHA2,
};
const curve_info secp256k1_smart_info = {
.bip32_name = "Bitcoin seed",
.params = &secp256k1,
.hasher_base58 = HASHER_SHA3K,
.hasher_sign = HASHER_SHA2,
.hasher_pubkey = HASHER_SHA2_RIPEMD,
.hasher_script = HASHER_SHA2,
};