import { Signature } from '@noble/secp256k1';
import { FiniteField } from './ff';
export declare class ECCurve {
    static ff: FiniteField;
    static ZERO: Uint8Array;
    static validate: (point: Uint8Array) => boolean;
    static baseMul: (r: Uint8Array) => Uint8Array;
    static negPoint: (point: Uint8Array) => Uint8Array;
    static addPoint: (pointA: Uint8Array, pointB: Uint8Array) => Uint8Array;
    static mulScalar: (point: Uint8Array, scalar: Uint8Array) => Uint8Array;
    static getDerivedKey: (privateKey: Uint8Array) => Uint8Array;
    static getPublicKey: (privateKey: Uint8Array, derived?: boolean) => Uint8Array;
}
export declare class ECTSS {
    static ff: FiniteField;
    static signatureLength: number;
    static randomnessLength: number;
    static privateKeyLength: number;
    static publicKeyLength: number;
    static finalizeSig: (sig: Signature) => Uint8Array;
    static recoveryBit: (R: Uint8Array, sig: Signature) => number;
    static shareRandomness: (t: number, n: number, indice: Uint8Array[], seed?: Uint8Array) => {
        shares: Uint8Array[];
        R: Uint8Array;
        r: Uint8Array;
        zkp: Uint8Array[];
    };
    static addSig: (sigs: Uint8Array[], r: Uint8Array) => [Uint8Array, number];
    static sign: (h: Uint8Array, R: Uint8Array, x: Uint8Array, derivedKey: Uint8Array) => Uint8Array;
    static verify: (h: Uint8Array, R: Uint8Array, index: Uint8Array, sig: Uint8Array, pzkp: Uint8Array[], xzkp: Uint8Array[]) => boolean;
}