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 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 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;
}
}
}
