private void BtnEncrypt_Click(object sender, RoutedEventArgs e)
{
SaveFileDialog sdialog = new SaveFileDialog();
sdialog.Filter = "Audio files (*.wav)|*.wav";
Nullable <bool> result = sdialog.ShowDialog();
if (result == true)
{
try
{
byte[] encryptedWavFile = SteganoWav.Embed(_carrierString, _messageString);
File.WriteAllBytes(sdialog.FileName, encryptedWavFile);
AudioPlayer2.InitializeMedia(sdialog.FileName);
AudioPlayer.InitializeMedia(_carrierString);
LblEncryptedAudio.Content = sdialog.SafeFileName;
MakeAudioVisible();
}
catch (FileTooLargeException fileTooLargeException)
{
MessageBox.Show(fileTooLargeException.Message);
}
catch (FileNotFoundException fileNotFoundException)
{
MessageBox.Show(fileNotFoundException.Message);
}
}
}
private void btnDesOutputWAV_Click(object sender, RoutedEventArgs e)
{
desTargetPathWAV = txtDesWAV.Text;
if (!desTargetPathWAV.Equals(""))
{
SaveFileDialog save = new SaveFileDialog();
save.Filter = "Audio files (*.wav)|*.wav";
bool?result = save.ShowDialog();
if (result == true)
{
java.lang.Class clazz = typeof(Encryption);
java.lang.Thread.currentThread().setContextClassLoader(clazz.getClassLoader());
String outputFile = save.FileName;
try
{
if (Encryption.encrypt(encryptionFile, "encryptForWAV", keyFile, EncryptionMode.ENCRYPT) == java.lang.Boolean.TRUE)
{
String savePath = save.FileName;
byte[] encryptedWavFile = SteganoWav.Embed(desTargetPathWAV, "encryptForWAV.des");
File.WriteAllBytes(savePath, encryptedWavFile);
File.Delete("encryptForWAV.des");
MessageBox.Show("File successfully encrypted to audio file");
}
}
catch (java.io.IOException ex)
{
String error = ex.getMessage();
MessageBox.Show(error);
}
catch (FileTooLargeException fileTooLargeException)
{
MessageBox.Show(fileTooLargeException.Message);
}
}
}
else
{
MessageBox.Show("Please select a valid audio file");
}
}
private void btnDesOutputWAVExtract_Click(object sender, RoutedEventArgs e)
{
desTargetPathWAVExtract = txtDesWAVExtract.Text;
if (!desTargetPathWAVExtract.Equals(""))
{
SaveFileDialog save = new SaveFileDialog();
save.Filter = "All files (*.*)|*.*";
bool?result = save.ShowDialog();
if (result == true)
{
byte[] extracted = SteganoWav.Extract(desTargetPathWAVExtract);
String extension = SteganoWav.Extention;
string savePath = "extractedMessage." + extension;
File.WriteAllBytes(savePath, extracted);
java.lang.Class clazz = typeof(Encryption);
java.lang.Thread.currentThread().setContextClassLoader(clazz.getClassLoader());
String outputFile = save.FileName;
try
{
if (Encryption.encrypt("extractedMessage.des", outputFile, keyFile, EncryptionMode.DECRYPT) == java.lang.Boolean.TRUE)
{
File.Delete("extractedMessage.des");
MessageBox.Show("File successfully decrypted from audio file");
}
}
catch (java.io.IOException ex)
{
String error = ex.getMessage();
MessageBox.Show(error);
}
}
}
else
{
MessageBox.Show("Please select a valid audio file");
}
}
static void Main(string[] args)
{
String originalFilePath = @"..\..\testFiles\hide.txt";
String extractedFilePath = @"..\..\testFiles\extract";
String savePath = @"..\..\testFiles\save.png";
Bitmap originalImage = (Bitmap)Bitmap.FromFile(@"..\..\testFiles\test.png");
Bitmap steganoImage;
steganoImage = SteganoBMP.Embed(originalImage, originalFilePath);
EncoderParameters encoderParams = new EncoderParameters(1);
EncoderParameter encoderP = new EncoderParameter(Encoder.Quality, 100L);
encoderParams.Param[0] = encoderP;
steganoImage.Save(savePath, GetEncoder(ImageFormat.Png), encoderParams);
string extension;
byte[] file = SteganoBMP.Extract(steganoImage, out extension);
File.WriteAllBytes(extractedFilePath + "." + extension, file);
Console.Write("Done. Press any key.");
Console.ReadLine();
String orFilePath = @"..\..\testFiles\blub.txt";
String sPath = @"..\..\testFiles\resultJungle.wav";
String waveFile = @"..\..\testFiles\WelcometotheJungle.wav";
byte[] resultBytes = SteganoWav.Embed(waveFile, orFilePath);
File.WriteAllBytes(sPath, resultBytes);
byte[] originalBytes = SteganoWav.Extract(sPath);
File.WriteAllBytes(@"..\..\testFiles\resulttext." + SteganoWav.Extention, originalBytes);
Console.ReadLine();
}
private void BtnExtract_Click(object sender, RoutedEventArgs e)
{
SaveFileDialog sDialog = new SaveFileDialog();
try
{
byte[] resultMessage = SteganoWav.Extract(_extractString);
string extention = SteganoWav.Extention;
sDialog.Filter = "(*." + extention + ")|*" + extention;
sDialog.DefaultExt = extention;
sDialog.AddExtension = true;
Nullable <bool> result = sDialog.ShowDialog();
if (result == true)
{
_outputMessageFilepath = sDialog.FileName;
File.WriteAllBytes(_outputMessageFilepath, resultMessage);
BtnOpenMessageFile.IsEnabled = true;
}
}
catch (FileNotFoundException fileNotFoundException)
{
MessageBox.Show(fileNotFoundException.Message);
}
catch (ArithmeticException arithmeticException)
{
MessageBox.Show(arithmeticException.Message);
}
catch (FileTooLargeException fileTooLargeException)
{
MessageBox.Show(fileTooLargeException.Message);
}
catch (ArgumentException argumentException)
{
MessageBox.Show(argumentException.Message);
}
}
