import { KeyStore } from "./keystore";
export declare class AlgOfb {
    private kuz;
    private gamma;
    constructor(kuz: KeyStore);
    setGamma(gamma: Uint8Array): void;
    encrypt(data: Uint8Array): Uint8Array;
    decrypt(data: Uint8Array): Uint8Array;
    private getEncryptedGamma;
    private updateGamma;
}