private void button6_Click(object sender, EventArgs e)
{
SystemInfo.SystemID SID = new SystemID();
string _systemID = SID.GetSystemID();
try
{
Steganography.HideData hd = new HideData();
Bitmap bmp = new Bitmap(_originalimagepath);
encodedimage = hd.embedText(textBox6.Text, bmp, _systemID);
encodedimage.Save(_encodedimagepath, System.Drawing.Imaging.ImageFormat.Bmp);
MessageBox.Show("Image Saved Succesfully to\n" + _encodedimagepath, "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception a)
{
MessageBox.Show("This File is Encrypted.\nYou cannot Overwrite an encrypted file.", "Error Overwriting File", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button2_Click(object sender, EventArgs e)
{
if (_originalimagepath == null)
{
MessageBox.Show("Choose File to Extract Data", "File Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
try
{
HideData hd = new HideData();
Bitmap _bmp = new Bitmap(_originalimagepath);
textBox2.Text = hd.extractText(_bmp);
}
catch (Exception a)
{
DialogResult d = MessageBox.Show(a.Message, "Error decrypting file", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
if (d == DialogResult.OK)
{
if (a.Message == "This is an Password Encrypted Message.\nPress OK button to Enter the Password or Cancel to go back.")
{
int attempts = 0;
while (attempts < 3)
{
try
{
Passwordform frm = new Passwordform();
frm.ShowDialog();
HideData hd = new HideData();
Bitmap _bmp = new Bitmap(_originalimagepath);
textBox2.Text = hd.extractTextwithPassPhrase(_bmp, frm._password);
break;
}
catch (Exception q)
{
attempts++;
DialogResult w = MessageBox.Show(q.Message + "Note: After Invalid 3 Attempts, the data will be automatically Erased.\n Attempts Left:" + (3 - attempts), "Invalid Passphrase", MessageBoxButtons.RetryCancel, MessageBoxIcon.Stop);
if (w != DialogResult.Retry)
{
break;
}
}
}
if (attempts >= 3)
{
MessageBox.Show("You have reached maximum number of attempts.\nExiting Application..", "Invalid Attempts", MessageBoxButtons.OK, MessageBoxIcon.Error);
Thread.Sleep(1000);
Application.Exit();
}
}
else if (a.Message == "This is an Single System Encrypted Message.\nIf you believe this message has been created for your system, try decoding this image from 'Encrypt Message' tab.")
{
try
{
SystemInfo.SystemID SID = new SystemID();
HideData hd = new HideData();
Bitmap _bmp = new Bitmap(_originalimagepath);
textBox2.Text = hd.extractText(_bmp, SID.GetSystemID());
}
catch (Exception w)
{
MessageBox.Show(w.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
}
}