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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 http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/ **********************************************************************/
#ifndef _SECP256K1_SCALAR_REPR_ #ifndef SECP256K1_SCALAR_REPR_H
#define _SECP256K1_SCALAR_REPR_ #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 #endif /* SECP256K1_SCALAR_REPR_H */