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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-30 11:28:21 +00:00
trezor-firmware/options.h
2016-10-16 01:41:20 +02:00

75 lines
2.1 KiB
C

/**
* 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.
*/
#ifndef __OPTIONS_H__
#define __OPTIONS_H__
// use precomputed Curve Points (some scalar multiples of curve base point G)
#ifndef USE_PRECOMPUTED_CP
#define USE_PRECOMPUTED_CP 1
#endif
// use fast inverse method
#ifndef USE_INVERSE_FAST
#define USE_INVERSE_FAST 1
#endif
// support for printing bignum256 structures via printf
#ifndef USE_BN_PRINT
#define USE_BN_PRINT 0
#endif
// use deterministic signatures
#ifndef USE_RFC6979
#define USE_RFC6979 1
#endif
// implement BIP32 caching
#ifndef USE_BIP32_CACHE
#define USE_BIP32_CACHE 1
#define BIP32_CACHE_SIZE 10
#define BIP32_CACHE_MAXDEPTH 8
#endif
// implement BIP39 caching
#ifndef USE_BIP39_CACHE
#define USE_BIP39_CACHE 1
#define BIP39_CACHE_SIZE 4
#endif
// support Ethereum operations
#ifndef USE_ETHEREUM
#define USE_ETHEREUM 0
#endif
// support Graphene operations (STEEM, BitShares)
#ifndef USE_GRAPHENE
#define USE_GRAPHENE 0
#endif
// support Keccak hashing
#ifndef USE_KECCAK
#define USE_KECCAK USE_ETHEREUM
#endif
#endif