import type { TArg, TRet } from "@noble/hashes/utils.js";
export declare const xorBytes: (a: TArg<Uint8Array>, b: TArg<Uint8Array>) => TRet<Uint8Array>;
export declare const getPadLength: (dataLength: number, blockSize: number) => number;
export declare const pad1: (data: TArg<Uint8Array>, blockSize: number) => TRet<Uint8Array>;
export declare const pad2: (data: TArg<Uint8Array>, blockSize: number) => TRet<Uint8Array>;
export declare const unpad2: (data: TArg<Uint8Array>, blockSize: number) => TRet<Uint8Array>;
export declare const pad3: (data: TArg<Uint8Array>, blockSize: number) => TRet<Uint8Array>;