private void EnterButton_Click(object sender, RoutedEventArgs e)
{
if (File.Exists(MainWindow.UserDirectoryPath + this.loginTextBox.Text + ".mcd"))
{
byte[] userEncryptedData = File.ReadAllBytes(MainWindow.UserDirectoryPath +
this.loginTextBox.Text + ".mcd");
byte[] userData = Encrypter.DecryptWithAesAndRsa(userEncryptedData, Encrypter.DefaultKeyContainerName, false);
User user = BinarySerializer.Deserialize <User>(userData);
if (user.Password == this.passwordTextBox.Password)
{
this.AuthUser = user;
if (this.remeberMeCheckBox.IsChecked == true)
{
byte[] serData = BinarySerializer.Serialize(user.Login);
byte[] encSerData = Encrypter.EncryptWithAesAndRsa(serData, Encrypter.DefaultKeyContainerName, false);
File.WriteAllBytes(MainWindow.RememberMeDataPath, encSerData);
}
this.Close();
}
else
{
MessageBox.Show("Неправильный пароль!", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("Такого пользователя не существует!", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void UserDataReading()
{
if (!Directory.Exists(MainWindow.UserDirectoryPath))
{
Directory.CreateDirectory(MainWindow.UserDirectoryPath);
}
if (File.Exists(MainWindow.RememberMeDataPath))
{
byte[] encryptedRememberMeData = File.ReadAllBytes(MainWindow.RememberMeDataPath);
byte[] rememberMeData = Encrypter.DecryptWithAesAndRsa(encryptedRememberMeData, Encrypter.DefaultKeyContainerName, false);
string rememberMeLogin = BinarySerializer.Deserialize <string>(rememberMeData);
if (File.Exists(MainWindow.UserDirectoryPath + rememberMeLogin + ".mcd"))
{
byte[] encryptedUserData = File.ReadAllBytes(MainWindow.UserDirectoryPath + rememberMeLogin + ".mcd");
byte[] userData = Encrypter.DecryptWithAesAndRsa(encryptedUserData, Encrypter.DefaultKeyContainerName, false);
this.CurrentUser = BinarySerializer.Deserialize <User>(userData);
}
else
{
File.Delete(MainWindow.RememberMeDataPath);
}
}
else
{
AuthWindow authWindow = new AuthWindow()
{
Owner = this
};
authWindow.ShowDialog();
this.CurrentUser = authWindow.AuthUser;
}
}
private byte[] TryDecryptData(byte[] data)
{
bool signTrue = false;
try
{
signTrue = Encrypter.CheckSign(data, this.EmailBox.XmlStringSignKeyContainerName);
}
catch (Exception)
{
MessageBox.Show("Подпись данных повреждена или отсутствует!", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
return(data);
}
if (!signTrue)
{
MessageBox.Show("Подпись файла не совпадает!", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
return(data);
}
byte[] decData;
try
{
byte[] encData = Encrypter.ReturnDataWithoutHash(data);
decData = Encrypter.DecryptWithAesAndRsa(encData, this.EmailBox.UserKeyContainerName, false);
}
catch (Exception)
{
MessageBox.Show("Данные повреждены!", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
return(data);
}
return(decData);
}