Beispiel #1
0
        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!");
        }
Beispiel #2
0
        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!");
        }