ecmult__const_8h_source.html

/***********************************************************************

 * Copyright (c) 2015 Andrew Poelstra                                  *

 * Distributed under the MIT software license, see the accompanying    *

 * file COPYING or https://www.opensource.org/licenses/mit-license.php.*

 ***********************************************************************/


#ifndef SECP256K1_ECMULT_CONST_H

#define SECP256K1_ECMULT_CONST_H


#include "scalar.h"

#include "group.h"


static void secp256k1_ecmult_const(secp256k1_gej *r, const secp256k1_ge *a, const secp256k1_scalar *q);


static int secp256k1_ecmult_const_xonly(

    secp256k1_fe *r,

    const secp256k1_fe *n,

    const secp256k1_fe *d,

    const secp256k1_scalar *q,

    int known_on_curve

);


#endif /* SECP256K1_ECMULT_CONST_H */

secp256k1_ecmult_const_xonly
static int secp256k1_ecmult_const_xonly(secp256k1_fe *r, const secp256k1_fe *n, const secp256k1_fe *d, const secp256k1_scalar *q, int known_on_curve)
Same as secp256k1_ecmult_const, but takes in an x coordinate of the base point only,...

secp256k1_ecmult_const
static void secp256k1_ecmult_const(secp256k1_gej *r, const secp256k1_ge *a, const secp256k1_scalar *q)
Multiply: R = q*A (in constant-time for q)

group.h

scalar.h

secp256k1_fe
This field implementation represents the value as 10 uint32_t limbs in base 2^26.
Definition: field_10x26.h:14

secp256k1_ge
A group element in affine coordinates on the secp256k1 curve, or occasionally on an isomorphic curve ...
Definition: group.h:16

secp256k1_gej
A group element of the secp256k1 curve, in jacobian coordinates.
Definition: group.h:28

secp256k1_scalar
A scalar modulo the group order of the secp256k1 curve.
Definition: scalar_4x64.h:13