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trezor-firmware/crypto/secp256k1.c

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/**
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* Copyright (c) 2013-2014 Tomas Dzetkulic
* Copyright (c) 2013-2014 Pavol Rusnak
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*
* 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 =*/{0x1ffffc2f, 0x1ffffff7, 0x1fffffff, 0x1fffffff,
0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff,
0xffffff}},
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/* G */
{/*.x =*/{/*.val =*/{0x16f81798, 0x0f940ad8, 0x138a3656, 0x17f9b65b,
0x10b07029, 0x114ae743, 0x0eb15681, 0x0fdf3b97,
0x79be66}},
/*.y =*/{/*.val =*/{0x1b10d4b8, 0x023e847f, 0x01550667, 0x0f68914d,
0x108a8fd1, 0x1dfe0708, 0x11957693, 0x0ee4d478,
0x483ada}}},
/* order */
{/*.val =*/{0x10364141, 0x1e92f466, 0x12280eef, 0x1db9cd5e, 0x1fffebaa,
0x1fffffff, 0x1fffffff, 0x1fffffff, 0xffffff}},
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/* order_half */
{/*.val =*/{0x081b20a0, 0x1f497a33, 0x09140777, 0x0edce6af, 0x1ffff5d5,
0x1fffffff, 0x1fffffff, 0x1fffffff, 0x7fffff}},
/* a */ 0,
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/* b */ {/*.val =*/{7}}
#if USE_PRECOMPUTED_CP
,
/* cp */
{
#include "secp256k1.table"
}
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#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,
};
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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,
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};
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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,
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};
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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,
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};