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// Copyright (C) 2018 Zilliqa
//
// This file is part of Zilliqa-Javascript-Library.
//
// This program is 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.
//
// This program 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 this program. If not, see .
import BN from 'bn.js';
import hash from 'hash.js';
declare namespace Elliptic {
type HexEnc = 'hex';
type Utf8Enc = 'utf8';
type CurveTypes = 'short' | 'edwards' | 'mont';
type PrivateKey =
| string
| Buffer
| { x: Buffer; y: Buffer }
| { x: string; y: string };
interface Curve {
type: CurveTypes;
n: BN;
g: Point;
decodePoint(msg: Buffer | Array | string, enc?: string): Point;
validate(point: Point): boolean;
}
interface Point {
x: BN;
y: BN;
inf: boolean;
encode(enc: string, compressed?: boolean): Array;
encodeCompressed(enc?: string): Array;
isInfinity(): boolean;
add(k: BN | Number | Point): Point;
mul(k: BN | Number | Point): Point;
}
interface EC {
curve: Curve;
genKeyPair(opt?: GenKeyPairOpt): KeyPair;
keyFromPrivate(priv: string, enc: string): KeyPair;
keyFromPublic(pub: string, enc: string): KeyPair;
}
interface GenKeyPairOpt {
entropy?: string | Buffer;
entropyEnc?: HexEnc | Utf8Enc;
pers?: string | Buffer;
persEnc?: HexEnc | Utf8Enc;
}
interface KeyPair {
fromPublic(ec: Curve, pub: BN, enc: string): KeyPair;
fromPrivate(ec: Curve, priv: BN, enc: string): KeyPair;
// this is broken, but we can't fix it without changing the upstream
// library; compact is optional, but optional parameters should always
// _follow_ mandatory ones.
getPublic(compact: boolean, enc: string): string;
getPrivate(enc?: T): T extends HexEnc ? string : BN;
validate(): { result: boolean; reason: string | null };
}
export function ec(curve: string): EC;
}
export = Elliptic;