/**
 * Wampy.js Cryptosign-based Authentication plugin
 *
 * Copyright 2022 KSDaemon. Licensed under the MIT License.
 * See @license text at http://www.opensource.org/licenses/mit-license.php
 *
 */
/**
 * Information required for Cryptosign signing.
 */
interface CryptosignInfo {
    challenge: string;
}
/**
 * Converts a hexadecimal string to an array of bytes.
 */
declare function hex2bytes(str: string): Uint8Array;
/**
 * Converts an array of bytes to a hexadecimal string.
 */
declare function bytes2hex(bytes: Uint8Array): string | null;
/**
 * Creates a signing function using the specified private key.
 */
declare function sign(privateKey: string): (method: string, info: CryptosignInfo) => string;

export { bytes2hex, sign as default, hex2bytes, sign };