private void StartEncryption(object sender, RoutedEventArgs e)
{
if (uploadedImg.Source == null)
{
ShowMessageBox("Зображення для зашифровки не завантажено!", "Warning");
return;
}
window.Cursor = Cursors.Wait;
try
{
if (Encryption.currentAlg == 0)
{
processedImg.Source = TranspositionAlg.Encrypt(uploadedImg.Source as BitmapSource);
}
else
{
processedImg.Source = SymetricAlg.RunAlg(uploadedImg.Source as BitmapSource, 0);
}
}
catch (Exception err)
{
ShowMessageBox(err.Message.ToString(), "Error");
window.Cursor = Cursors.Arrow;
return;
}
decrypted = false;
window.Cursor = Cursors.Arrow;
}
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 GenerateRng(object sender, RoutedEventArgs e)
{
window.Cursor = Cursors.Wait;
int bytesPerPixel = Encryption.CountBytesPerPixel(uploadedImg.Source as BitmapSource);
if (Encryption.currentAlg == 0)
{
TranspositionAlg.Generate((sender as Button).Name, Int32.Parse((sender as Button).Uid), null);
}
else
{
SymetricAlg.Generate(null);
}
window.Cursor = Cursors.Arrow;
}
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;
}
}
private void GeneratePass(object sender, RoutedEventArgs e)
{
window.Cursor = Cursors.Wait;
if (currentAction == 1)
{
decrypted = false;
}
int bytesPerPixel = Encryption.CountBytesPerPixel(uploadedImg.Source as BitmapSource);
if (Encryption.currentAlg == 0)
{
TranspositionAlg.Generate((sender as PasswordBox).Name, Int32.Parse((sender as PasswordBox).Uid), (sender as PasswordBox).Password);
}
else
{
SymetricAlg.Generate((sender as PasswordBox).Password);
}
window.Cursor = Cursors.Arrow;
}
private void StartDecryption(object sender, RoutedEventArgs e)
{
if (decrypted)
{
ShowMessageBox("Ви вже розшифровували це зображення!\nЗашифруйте знову!", "Warning");
return;
}
if (Encryption.algParams.Count < (Encryption.currentAlg == 0 ? 5 : 4))
{
ShowMessageBox("Ключ розшифровки не завантажено!", "Warning");
return;
}
if (uploadedImg.Source == null)
{
ShowMessageBox("Зображення для розшифровки не завантажено!", "Warning");
return;
}
window.Cursor = Cursors.Wait;
try
{
var image = currentAction == 0 ? processedImg.Source as BitmapSource : uploadedImg.Source as BitmapSource;
if (Encryption.currentAlg == 0)
{
processedImg.Source = TranspositionAlg.Decrypt(image);
}
else
{
processedImg.Source = SymetricAlg.RunAlg(image, 1);
}
}
catch (Exception err)
{
ShowMessageBox(err.Message.ToString(), "Error");
window.Cursor = Cursors.Arrow;
return;
}
decrypted = true;
window.Cursor = Cursors.Arrow;
}
private void StartExport(object sender, RoutedEventArgs e)
{
if (processedImg.Source == null)
{
ShowMessageBox("Немає зображення для експорту!", "Warning");
return;
}
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "BMP Files|*.bmp";
saveFileDialog.CreatePrompt = true;
saveFileDialog.OverwritePrompt = true;
saveFileDialog.RestoreDirectory = true;
if ((bool)saveFileDialog.ShowDialog())
{
window.Cursor = Cursors.Wait;
try
{
var encoder = new BmpBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create((processedImg.Source as BitmapSource)));
using (FileStream stream = File.Open(saveFileDialog.FileName, FileMode.Create))
{
encoder.Save(stream);
stream.Close();
}
if (currentAction == 0)
{
string key = Encryption.currentAlg.ToString() + ";";
key = Convert.ToBase64String(Encoding.Unicode.GetBytes(
key + (Encryption.currentAlg == 0 ? TranspositionAlg.Export() : SymetricAlg.Export())));
using (StreamWriter file = new StreamWriter(saveFileDialog.FileName + ".txt", false))
{
file.Write(key);
file.Close();
}
this.Cursor = Cursors.Arrow;
ShowMessageBox("Файл розшифровки: \n(" + saveFileDialog.FileName + ".txt) \nуспішно створено!", "Info");
}
window.Cursor = Cursors.Arrow;
}
catch (Exception err)
{
ShowMessageBox(err.Message.ToString(), "Error");
window.Cursor = Cursors.Arrow;
return;
}
}
}