export type Session = [Uint32Array, Uint32Array];
export declare function makeSession(key: Uint8Array): Session;
export declare function encrypt(plain: Uint8Array, io: number, cipher: Uint8Array, oo: number, [sBox, sKey]: Session): void;
export declare function decrypt(cipher: Uint8Array, io: number, plain: Uint8Array, oo: number, [sBox, sKey]: Session): void;