private void RegistrationButton_Click(object sender, RoutedEventArgs e)
{
RegistrationWindow registrationWindow = new RegistrationWindow()
{
Owner = this
};
registrationWindow.ShowDialog();
this.AuthUser = registrationWindow.RegistredUser;
if (this.AuthUser != null)
{
byte[] serData = BinarySerializer.Serialize(this.AuthUser);
byte[] encSerData = Encrypter.EncryptWithAesAndRsa(serData, Encrypter.DefaultKeyContainerName, false);
File.WriteAllBytes(MainWindow.UserDirectoryPath + this.AuthUser.Login + ".mcd", encSerData);
this.Close();
}
}
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);
}
private void SendButton_Click(object sender, RoutedEventArgs e)
{
if (this.encryptMessage.IsChecked == true &&
this.EmailBox.XmlStringChipherKeyContainerName is null)
{
MessageBox.Show("Для шифрования сообщения следует импортировать открытый ключ!", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (this.toTextBox.Text is null)
{
MessageBox.Show("Требуется ввести имя получателя.", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
MailBuilder mailBuilder = new MailBuilder();
mailBuilder.From.Add(new MailBox(this.EmailBox.EmailAddress));
try
{
mailBuilder.To.Add(new MailBox(this.toTextBox.Text.Trim(' ')));
}
catch (ArgumentException)
{
MessageBox.Show("Имя получателя написано в неверном формате.", "Ошибка",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
mailBuilder.Subject = this.subjectTextBox.Text.Trim(' ');
if (encryptMessage.IsChecked == true)
{
byte[] data = this.GetBytesFromRichTextBoxText(this.textRichTextBox);
byte[] encData = Encrypter.EncryptWithAesAndRsa(data,
this.EmailBox.XmlStringChipherKeyContainerName, true);
byte[] signedData = Encrypter.SignData(encData,
this.EmailBox.UserKeyContainerName);
mailBuilder.Rtf = Convert.ToBase64String(signedData);
}
else
{
mailBuilder.Rtf = this.GetTextFromRichTextBox(this.textRichTextBox);
}
for (int i = 0; i < this.Attachments.Count; i++)
{
if (encryptMessage.IsChecked == true)
{
byte[] data = this.Attachments[i];
byte[] encData = Encrypter.EncryptWithAesAndRsa(data,
this.EmailBox.XmlStringChipherKeyContainerName, true);
byte[] signedData = Encrypter.SignData(encData,
this.EmailBox.UserKeyContainerName);
MimeData mime = mailBuilder.AddAttachment(signedData);
mime.FileName = (string)this.attachmentsListBox.Items[i];
}
else
{
MimeData mime = mailBuilder.AddAttachment(this.Attachments[i]);
mime.FileName = (string)this.attachmentsListBox.Items[i];
}
}
IMail mail = mailBuilder.Create();
if (sendThread != null && sendThread.IsAlive)
{
sendThread.Abort();
sendThread.Join();
}
sendThread = new Thread(() =>
{
this.Dispatcher.Invoke(() =>
{
this.sendButton.IsEnabled = false;
Mouse.OverrideCursor = Cursors.AppStarting;
});
this.EmailBox.Smtp.SendMessage(mail);
this.Dispatcher.Invoke(() =>
{
this.Close();
this.sendButton.IsEnabled = true;
Mouse.OverrideCursor = null;
});
});
sendThread.Start();
}
private void EncryptAndSerializeCurrentUser()
{
byte[] serData = BinarySerializer.Serialize(this.CurrentUser);
byte[] encSerData = Encrypter.EncryptWithAesAndRsa(serData, Encrypter.DefaultKeyContainerName, false);
File.WriteAllBytes(MainWindow.UserDirectoryPath + this.CurrentUser.Login + ".mcd", encSerData);
}