import Security from './security';
export interface Security2Options {
    /**
     * SRP6a username (must match the device firmware).
     * @default "wifiprov"
     */
    username?: string;
    /**
     * SRP6a password / proof-of-possession.
     */
    password: string;
}
export default class Security2 extends Security {
    private username;
    private password;
    private srp;
    private sessionKey;
    private nonce;
    private staticNonce;
    constructor(options: Security2Options);
    setup0Request(): Promise<Uint8Array>;
    setup0Response(response: Uint8Array): Promise<void>;
    setup1Request(): Uint8Array;
    setup1Response(response: Uint8Array): void;
    encrypt(data: Uint8Array<ArrayBuffer>): Promise<Uint8Array>;
    decrypt(data: Uint8Array<ArrayBuffer>): Promise<Uint8Array>;
    private incrementNonce;
}