import { HashType } from '@iotize/common/crypto';
import { lib } from 'crypto-js';
export declare class CryptoHelper {
    static sanitizeInput(input: Uint8Array | string | lib.WordArray): string | lib.WordArray;
    static byteArrayToWordArray(ba: Uint8Array): lib.WordArray;
    static getAlgoImpl(type: HashType): any;
    static wordToByteArray(word: number, length: number): Uint8Array;
    static libWordArrayToByteArray(libWordArray: lib.WordArray, length?: number): Uint8Array;
    static wordArrayToByteArray(input: lib.WordArray): Uint8Array;
}