import type { BinaryAlike } from "./shared";
/**
 *
 *
 * @export
 * @param {Uint8Array} array1
 * @param {Uint8Array} array2
 * @return {boolean} boolean
 */
export declare function timingSafeEqual(array1: Uint8Array, array2: Uint8Array): boolean;
/**
 *
 *
 * @export
 * @param {number} size
 * @return {Uint8Array} Uint8Array
 */
export declare function randomBytes(size: number): Uint8Array;
/**
 *
 *
 * @export
 * @param {string} algorithm
 * @param {BinaryAlike} key
 * @param {BinaryAlike} data
 * @return {Uint8Array} Uint8Array
 */
export declare function hmac(algorithm: string, key: BinaryAlike, data: BinaryAlike): Uint8Array;