@okxweb3/crypto-lib
Version:
A base package for @okxweb3/coin-*
53 lines (52 loc) • 1.35 kB
TypeScript
/*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) */
import { IField } from './modular';
export type AffinePoint<T> = {
x: T;
y: T;
} & {
z?: never;
t?: never;
};
export interface Group<T extends Group<T>> {
double(): T;
negate(): T;
add(other: T): T;
subtract(other: T): T;
equals(other: T): boolean;
multiply(scalar: bigint): T;
}
export type GroupConstructor<T> = {
BASE: T;
ZERO: T;
};
export type Mapper<T> = (i: T[]) => T[];
export declare function wNAF<T extends Group<T>>(c: GroupConstructor<T>, bits: number): {
constTimeNegate: (condition: boolean, item: T) => T;
unsafeLadder(elm: T, n: bigint): T;
precomputeWindow(elm: T, W: number): Group<T>[];
wNAF(W: number, precomputes: T[], n: bigint): {
p: T;
f: T;
};
wNAFCached(P: T, precomputesMap: Map<T, T[]>, n: bigint, transform: Mapper<T>): {
p: T;
f: T;
};
};
export type BasicCurve<T> = {
Fp: IField<T>;
n: bigint;
nBitLength?: number;
nByteLength?: number;
h: bigint;
hEff?: bigint;
Gx: T;
Gy: T;
allowInfinityPoint?: boolean;
};
export declare function validateBasic<FP, T>(curve: BasicCurve<FP> & T): Readonly<{
readonly nBitLength: number;
readonly nByteLength: number;
} & BasicCurve<FP> & T & {
p: bigint;
}>;