private void buttonRead_Click(object sender, EventArgs e)
{
Bitmap bitmap = ((sender as Button).Text.Contains("right") ? pictureBoxRight.Image : pictureBoxLeft.Image) as Bitmap;
byte[] steganographicKey = Encoding.UTF8.GetBytes(textBoxSteganographicKey.Text);
byte[] passpharse = Encoding.UTF8.GetBytes(textBoxPassphrase.Text);
if (bitmap == null || passpharse.Length == 0)
{
MessageBox.Show(
@"You need to:
- open an image (CTRL + O)
- enter the Key"
);
return;
}
byte[] message = ImageDataHider.readMessage(steganographicKey, passpharse, bitmap);
textBoxMessage.Text = Encoding.UTF8.GetString(message);
MessageBox.Show("Successfully retrieved message from the selected image!");
}
private void buttonHide_Click(object sender, EventArgs e)
{
Bitmap bitmap = pictureBoxLeft.Image as Bitmap;
byte[] steganographicKey = Encoding.UTF8.GetBytes(textBoxSteganographicKey.Text);
byte[] passpharse = Encoding.UTF8.GetBytes(textBoxPassphrase.Text);
byte[] message = Encoding.UTF8.GetBytes(textBoxMessage.Text);
if (bitmap == null || passpharse.Length == 0 || message.Length == 0)
{
MessageBox.Show(
@"You need to:
- open an image (CTRL + O)
- enter the Passphrase
- enter the Message"
);
return;
}
Bitmap newBitmap = ImageDataHider.hideMessage(steganographicKey, passpharse, message, bitmap);
pictureBoxRight.Image = newBitmap;
MessageBox.Show("Successfully hidden message in the selected image!");
}