private void implantClick() //error checking needed here
{
SetPrimaryStatusLabelText("Implantation Running");
Stopwatch s = new Stopwatch();
s.Start();
string imgPath = pictureInBox.Text;
string msgPath = messageInBox.Text;
string outPath = picOutBox.Text;
string password = pass1Box.Text;
Bitmap b = new Bitmap(imgPath);
byte[] msg = File.ReadAllBytes(msgPath);
//Console.WriteLine("msg Length--" + msg.Length);
byte[] messageBytes = StegoHandler.addEOF(msg);
//Console.WriteLine("message Length--" + messageBytes.Length);
byte[] encryptedMsg = AES.encryptionMain(password, messageBytes);
Console.WriteLine("Time to encryption: " + s.ElapsedMilliseconds);
//Console.WriteLine("encrypted Length--" + encryptedMsg.Length);
b = StegoHandler.implantMain(password, b, encryptedMsg);
Console.WriteLine("Time to implant: " + s.ElapsedMilliseconds);
b.Save(outPath, ImageFormat.Png);
s.Stop();
SetPrimaryStatusLabelText("Implantation Complete. Time: " + s.ElapsedMilliseconds + "ms.");
}
private void extractClick() //error checking needed here
{
SetPrimaryStatusLabelText("Extraction Running");
Stopwatch s = new Stopwatch();
s.Start();
string imgPath = pictureInBox.Text;
string msgPath = messageOutBox.Text;
string password = passBox.Text;
Bitmap b = new Bitmap(imgPath);
if (!StegoHandler.checkHash(password, b))
{
SetPrimaryStatusLabelText("Error: Wrong password or not a Stego File");
}
else
{
byte[] msg = StegoHandler.extractMain(password, b);
byte[] decrypted = AES.decryptionMain(password, msg);
decrypted = StegoHandler.chopEOF(decrypted);
File.WriteAllBytes(msgPath, decrypted);
s.Stop();
SetPrimaryStatusLabelText("Extraction Complete. Time: " + s.ElapsedMilliseconds + "ms.");
}
}
private void calculatePossibleSize(int imgSize)
{
this.possibleSize = StegoHandler.availableBytes(imgSize);
}
