public void SaveFile(string path, ObservableCollection <Data> dataCollections)
        {
            StreamWriter  streamWriter  = new StreamWriter(path);
            CryptoService cryptoService = new CryptoService();
            MainPassword  mainPassword  = new MainPassword();

            for (int i = 0; i < dataCollections.Count; i++)
            {
                streamWriter.WriteLine(cryptoService.Encrypt(dataCollections[i].Info, mainPassword.PassPhrase, mainPassword.SaltValue, mainPassword.InitVector));
                streamWriter.WriteLine(cryptoService.Encrypt(dataCollections[i].Login, mainPassword.PassPhrase, mainPassword.SaltValue, mainPassword.InitVector));
                streamWriter.WriteLine(cryptoService.Encrypt(dataCollections[i].Password, mainPassword.PassPhrase, mainPassword.SaltValue, mainPassword.InitVector));
            }
            streamWriter.Close();
        }
        public ObservableCollection <Data> OpenFile(string path)
        {
            StreamReader streamReader = new StreamReader(path);
            ObservableCollection <Data> dataCollections = new ObservableCollection <Data>();

            while (!streamReader.EndOfStream)
            {
                CryptoService crypto       = new CryptoService();
                MainPassword  mainPassword = new MainPassword();
                Data          data         = new Data
                                             (
                    crypto.Decrypt(streamReader.ReadLine(), mainPassword.PassPhrase, mainPassword.SaltValue, mainPassword.InitVector),
                    crypto.Decrypt(streamReader.ReadLine(), mainPassword.PassPhrase, mainPassword.SaltValue, mainPassword.InitVector),
                    crypto.Decrypt(streamReader.ReadLine(), mainPassword.PassPhrase, mainPassword.SaltValue, mainPassword.InitVector)
                                             );
                dataCollections.Add(data);
            }
            streamReader.Close();
            return(dataCollections);
        }