declare class Encryptor {
    protected appId: string;
    protected token: string;
    protected aesKey: string | Buffer;
    protected receiveId: string;
    protected blockSize: number;
    constructor(appId?: string, token?: string, aesKey?: string | Buffer, receiveId?: string);
    /**
     * 获取配置的token
     * @returns
     */
    getToken(): string;
    /**
     * 计算消息签名
     * @param args
     * @returns
     */
    createSignature(...args: any[]): string;
    /**
     * 加密
     * @param text
     * @param nonce
     * @param timestamp
     * @returns
     */
    encrypt(text: string, nonce?: string, timestamp?: number): string;
    /**
     * 解密
     * @param text
     * @param msgSignature
     * @param nonce
     * @param timestamp
     * @returns
     */
    decrypt(text: string, msgSignature: string, nonce: string, timestamp: number): string;
}
export = Encryptor;