rust-secp256k1-unsafe-fast/secp256k1-sys/depend/secp256k1/src/ecmult_const.h

22 lines
924 B
C

/***********************************************************************
* 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"
/**
* Multiply: R = q*A (in constant-time)
* Here `bits` should be set to the maximum bitlength of the _absolute value_ of `q`, plus
* one because we internally sometimes add 2 to the number during the WNAF conversion.
* A must not be infinity.
*/
static void rustsecp256k1_v0_5_0_ecmult_const(rustsecp256k1_v0_5_0_gej *r, const rustsecp256k1_v0_5_0_ge *a, const rustsecp256k1_v0_5_0_scalar *q, int bits);
#endif /* SECP256K1_ECMULT_CONST_H */