/**
 * KExp15 key exporting
 * @param key Key to export
 * @param keyEnc Key for key encryption
 * @param keyMac Key for key authentication
 * @param iv Initialization vector (Half of block size)
 */
export declare const kexp15: (key: Uint8Array, keyEnc: Uint8Array, keyMac: Uint8Array, iv: Uint8Array) => Uint8Array;
/**
 * KImp15 key importing
 * @param kexp Key to import
 * @param keyEnc Key for key decryption
 * @param keyMac Key for key authentication
 * @param iv Initialization vector (Half of block size)
 */
export declare const kimp15: (kexp: Uint8Array, keyEnc: Uint8Array, keyMac: Uint8Array, iv: Uint8Array) => Uint8Array;