/// <reference types="node" />
/// <reference types="node" />
type BinaryLike = string | NodeJS.ArrayBufferView;
import Config from './config';
export default class AuthEnc {
    key: BinaryLike;
    seqNum: number;
    randVal: Buffer;
    finalized: boolean;
    constructor(cfg: Config);
    Seal(dst: Buffer, src: Buffer): Buffer;
    SealFinal(dst: Buffer, src: Buffer): Buffer;
    private seal;
}
export {};