import { type TArg, type TRet } from "@li0ard/gost3413";
/**
 * 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: TArg<Uint8Array>, keyEnc: TArg<Uint8Array>, keyMac: TArg<Uint8Array>, iv: TArg<Uint8Array>) => TRet<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: TArg<Uint8Array>, keyEnc: TArg<Uint8Array>, keyMac: TArg<Uint8Array>, iv: TArg<Uint8Array>) => TRet<Uint8Array>;