private void ChipherType2D(object sender, RoutedEventArgs e)
{
Encryption.algParams[3] = 2;
DrawSettings();
if (Encryption.currentAlg == 0 && uploadedImg.Source != null)
{
TranspositionAlg.SetKey(Encryption.CountBytesPerPixel(uploadedImg.Source as BitmapSource));
}
}
private void OpenImg(object sender, RoutedEventArgs e)
{
var openFile = new OpenFileDialog();
openFile.Filter = "Image Files(*.BMP;*.JPG;*.GIF;*.PNG;)|*.BMP;*.JPG;*.GIF;*.PNG;";
openFile.RestoreDirectory = true;
if (openFile.ShowDialog() == true)
{
dynamic decoder = null;
try
{
var streamSource = new FileStream(openFile.FileName, FileMode.Open, FileAccess.Read, FileShare.Read);
switch (new FileInfo(openFile.FileName).Extension)
{
case ".jpg":
decoder = new JpegBitmapDecoder(streamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
break;
case ".png":
decoder = new PngBitmapDecoder(streamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
break;
case ".bmp":
decoder = new BmpBitmapDecoder(streamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
break;
case ".gif":
decoder = new GifBitmapDecoder(streamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
break;
}
uploadedImg.Source = decoder.Frames[0];
}
catch (Exception err)
{
ShowMessageBox(err.Message.ToString(), "Error");
return;
}
imagePath.Text = openFile.FileName;
keyPath.Text = null;
SetParams();
DrawSettings();
if (Encryption.currentAlg == 0 && uploadedImg.Source != null)
{
TranspositionAlg.SetKey(Encryption.CountBytesPerPixel(uploadedImg.Source as BitmapSource));
}
decrypted = false;
}
}
private void SetParams()
{
switch (Encryption.currentAlg)
{
case 0:
Encryption.algParams = new List <int>()
{
0, 1, 256, 2
};
if (uploadedImg.Source != null)
{
TranspositionAlg.SetKey(Encryption.CountBytesPerPixel(uploadedImg.Source as BitmapSource));
}
break;
case 1:
Encryption.algParams = new List <int>()
{
0, 64, 8
};
break;
case 2:
Encryption.algParams = new List <int>()
{
0, 128, 8
};
break;
case 3:
Encryption.algParams = new List <int>()
{
0, 128, 16
};
break;
case 4:
Encryption.algParams = new List <int>()
{
0, 40, 8
};
break;
}
}
