/// <reference types="node" />
declare class Prpcrypt {
    AESKey: Buffer;
    iv: Buffer;
    oldAESKey: Buffer;
    oldIV: Buffer;
    mode: string;
    constructor(AESKey: Buffer, oldAESKey: Buffer);
    encrypt(text: string, uniqueId: string): string;
    decrypt(msgEncrypt: string, uniqueId: string, AESKey?: Buffer, iv?: Buffer): string;
}
export default abstract class MsgCryptoBase {
    uniqueId: string;
    messageToken: string;
    AESKey: Buffer;
    oldAESKey: Buffer;
    prpcrypt: Prpcrypt;
    constructor(options: {
        uniqueId: string;
        messageToken: string;
        encodingAESKey: string;
        oldEncodingAESKey: string;
    });
    protected validateMessage(msgEncrypt: string, msgSignature: string, timestamp: string, nonce: string): boolean;
    encryptMsg(msg: string, timestamp?: number | string, nonce?: string): string;
    abstract encryptMsgFormatter(msgEncrypt: string, signature: string, timestamp: number | string, nonce: string): string;
    abstract decryptMsgToJSON(postData: string, msgSignature: string, timestamp: string, nonce: string): Promise<any>;
}
export {};