import type { TArg, TRet } from "@li0ard/gost3413";
/** Pad data */
export declare const pad: (data: TArg<Uint8Array>, blockSize: number) => TRet<Uint8Array>;
/** Unpad data */
export declare const unpad: (paddedData: TArg<Uint8Array>, blockSize: number) => TRet<Uint8Array>;