public MainWindow()
{
InitializeComponent();
try
{
error = new StringBuilder(ErrorBufferSize);
if (EncryptionSdkWrapper.load_sdk() == 0)
{
MessageBox.Show(this, "Unable to load encryption sdk",
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
Application.Current.Shutdown();
return;
}
}
catch (DllNotFoundException dllNotFound)
{
MessageBox.Show(this, dllNotFound.Message,
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
Application.Current.Shutdown();
return;
}
EncryptionSdkWrapper.register_key(KeyId, "EncryptionKey");
}
private void DecryptFile(LoadingWindow loadingWindow, string inputFile, string outputFile, string password = null)
{
if (password == null)
{
if (EncryptionSdkWrapper.decrypt_file(KeyId, inputFile,
outputFile, error) != 0)
{
success = false;
}
else
{
success = true;
}
}
else
{
if (EncryptionSdkWrapper.decrypt_file_with_password(password,
inputFile, outputFile, error) != 0)
{
success = false;
}
else
{
success = true;
}
}
loadingWindow.ShouldClose = true;
}
private void wndMain_Drop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
if (files.Length > 1)
{
MessageBox.Show(this, "Only single file is supported",
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
if (Path.GetExtension(files[0]) == ".genc")
{
var inputFile = files[0];
var outputFile = Path.Combine(Path.GetDirectoryName(inputFile),
Path.GetFileNameWithoutExtension(inputFile));
string password = null;
if (EncryptionSdkWrapper.is_file_encrypted_with_password(inputFile) == 1)
{
var passwordWindow = new PasswordWindow();
passwordWindow.Owner = this;
passwordWindow.ShowDialog();
if (passwordWindow.DialogResult.Value)
{
password = passwordWindow.Password;
}
else
{
return;
}
}
else if (EncryptionSdkWrapper.is_file_encrypted(inputFile) == 0)
{
MessageBox.Show(this, "Not a valid GO encrypted file",
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
var loadingWindow = new LoadingWindow();
loadingWindow.Owner = this;
loadingWindow.ShouldClose = false;
loadingWindow.ContentText = "Decrypting File...";
Thread thread = new Thread(() => DecryptFile(loadingWindow, inputFile, outputFile, password));
thread.Start();
if (!loadingWindow.ShouldClose)
{
loadingWindow.ShowDialog();
}
thread.Join();
if (success)
{
MessageBox.Show(this, "Successfully decrypted file: " + inputFile,
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show(this, "Unable to decrypt file: " + error.ToString(),
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
var inputFile = files[0];
var outputFile = inputFile + ".genc";
var optionsWindow = new EncryptOptionWindow();
optionsWindow.Owner = this;
optionsWindow.ShowDialog();
if (optionsWindow.DialogResult.Value == true)
{
string password = optionsWindow.AuthorizedUsers ? null :
optionsWindow.Password;
var loadingWindow = new LoadingWindow();
loadingWindow.Owner = this;
loadingWindow.ShouldClose = false;
loadingWindow.ContentText = "Encrypting File...";
Thread thread = new Thread(() => EncryptFile(loadingWindow, inputFile, outputFile, password));
thread.Start();
if (!loadingWindow.ShouldClose)
{
loadingWindow.ShowDialog();
}
thread.Join();
if (success)
{
MessageBox.Show(this, "Successfully encrypted file: " + inputFile,
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show(this, "Unable to encrypt file: " + error.ToString(),
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
}
}
}
private void Decrypt_Click(object sender, RoutedEventArgs e)
{
var fileDialog = new OpenFileDialog();
fileDialog.Multiselect = false;
fileDialog.Filter = "GO encrypted files (*.genc)| *.genc";
if (fileDialog.ShowDialog() == true)
{
var inputFile = fileDialog.FileName;
var outputFile = "";
if (Path.GetExtension(inputFile) != ".genc")
{
MessageBox.Show(this, "Invalid GO encrypted file extension",
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
else
{
outputFile = Path.Combine(Path.GetDirectoryName(inputFile),
Path.GetFileNameWithoutExtension(inputFile));
}
string password = null;
if (EncryptionSdkWrapper.is_file_encrypted_with_password(inputFile) == 1)
{
var passwordWindow = new PasswordWindow();
passwordWindow.Owner = this;
passwordWindow.ShowDialog();
if (passwordWindow.DialogResult.Value)
{
password = passwordWindow.Password;
}
else
{
return;
}
}
else if (EncryptionSdkWrapper.is_file_encrypted(inputFile) == 0)
{
MessageBox.Show(this, "Not a valid GO encrypted file",
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
var loadingWindow = new LoadingWindow();
loadingWindow.Owner = this;
loadingWindow.ShouldClose = false;
loadingWindow.ContentText = "Decrypting File...";
Thread thread = new Thread(() => DecryptFile(loadingWindow, inputFile, outputFile, password));
thread.Start();
if (!loadingWindow.ShouldClose)
{
loadingWindow.ShowDialog();
}
thread.Join();
if (success)
{
MessageBox.Show(this, "Successfully decrypted file: " + inputFile,
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show(this, "Unable to decrypt file: " + error.ToString(),
"GO Encryptor",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
