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src/secp256k1/src/scalar_4x64.h
/********************************************************************** | /*********************************************************************** | ||||
* Copyright (c) 2014 Pieter Wuille * | * Copyright (c) 2014 Pieter Wuille * | ||||
* Distributed under the MIT software license, see the accompanying * | * Distributed under the MIT software license, see the accompanying * | ||||
* file COPYING or http://www.opensource.org/licenses/mit-license.php.* | * file COPYING or https://www.opensource.org/licenses/mit-license.php.* | ||||
**********************************************************************/ | ***********************************************************************/ | ||||
#ifndef SECP256K1_SCALAR_REPR_H | #ifndef SECP256K1_SCALAR_REPR_H | ||||
#define SECP256K1_SCALAR_REPR_H | #define SECP256K1_SCALAR_REPR_H | ||||
#include <stdint.h> | #include <stdint.h> | ||||
/** A scalar modulo the group order of the secp256k1 curve. */ | /** A scalar modulo the group order of the secp256k1 curve. */ | ||||
typedef struct { | typedef struct { | ||||
uint64_t d[4]; | uint64_t d[4]; | ||||
} secp256k1_scalar; | } secp256k1_scalar; | ||||
#define SECP256K1_SCALAR_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {{((uint64_t)(d1)) << 32 | (d0), ((uint64_t)(d3)) << 32 | (d2), ((uint64_t)(d5)) << 32 | (d4), ((uint64_t)(d7)) << 32 | (d6)}} | #define SECP256K1_SCALAR_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {{((uint64_t)(d1)) << 32 | (d0), ((uint64_t)(d3)) << 32 | (d2), ((uint64_t)(d5)) << 32 | (d4), ((uint64_t)(d7)) << 32 | (d6)}} | ||||
#endif /* SECP256K1_SCALAR_REPR_H */ | #endif /* SECP256K1_SCALAR_REPR_H */ |