[secp256k1.git] / src / scalar_4x64.h

/**********************************************************************
 * Copyright (c) 2014 Pieter Wuille                                   *
 * Distributed under the MIT software license, see the accompanying   *
 * file COPYING or http://www.opensource.org/licenses/mit-license.php.*
 **********************************************************************/

#ifndef _SECP256K1_SCALAR_REPR_
#define _SECP256K1_SCALAR_REPR_

#include <stdint.h>

/** A scalar modulo the group order of the secp256k1 curve. */
typedef struct {
    uint64_t d[4];
} secp256k1_scalar_t;

#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
Commit	Line	Data
71712b27 GM	1	/**********************************************************************
	2	* Copyright (c) 2014 Pieter Wuille *
	3	* Distributed under the MIT software license, see the accompanying *
	4	* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
	5	**********************************************************************/
1d52a8b1 PW	6
	7	#ifndef _SECP256K1_SCALAR_REPR_
	8	#define _SECP256K1_SCALAR_REPR_
	9
	10	#include <stdint.h>
	11
	12	/** A scalar modulo the group order of the secp256k1 curve. */
	13	typedef struct {
	14	uint64_t d[4];
	15	} secp256k1_scalar_t;
	16
f1ebfe39 PW	17	#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)}}
f1ebfe39 PW	18
1d52a8b1	19	#endif