/* Copyright 2018 0kims association. This file is part of snarkjs. snarkjs is a free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. snarkjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with snarkjs. If not, see . */ const bigInt = require("./bigint.js"); exports.mulScalar = (F, base, e) =>{ let res = F.zero; let rem = bigInt(e); let exp = base; while (! rem.isZero()) { if (rem.isOdd()) { res = F.add(res, exp); } exp = F.double(exp); rem = rem.shr(1); } return res; }; exports.exp = (F, base, e) =>{ let res = F.one; let rem = bigInt(e); let exp = base; while (! rem.isZero()) { if (rem.isOdd()) { res = F.mul(res, exp); } exp = F.square(exp); rem = rem.shr(1); } return res; };