import { BinaryBlob } from '@dfinity/candid';
import Secp256k1PublicKey from '../crypto/secpk256k1/publicKey';
export declare const sign: (message: string, secretKey: BinaryBlob) => Uint8Array;
export declare const verify: (message: string, signature: Uint8Array, publicKey: Secp256k1PublicKey) => boolean;