declare type TConfig = {
    cipherAlgo: string;
    digestAlgo: string;
    encoding: 'utf8';
};
export default class Cipher {
    private readonly key;
    private readonly config;
    constructor(key: string, config?: TConfig);
    encrypt: (message: string) => string;
    decrypt: (encryptedMessage: string) => string;
    digest: (message: string) => string;
}
export {};