private void Decrypt()
{
HandleJobController.Progress(() =>
{
//TODO Compression
var algorithm = ViewModel.CryptionModel.Algorithm as RsaAlgorithm;
DecodeModel model;
if (algorithm != null)
{
string key;
using (var sr = new StreamReader(ViewModel.CryptionModel.KeyFilePath))
{
key = sr.ReadToEnd();
}
model = new DecodeModel(ViewModel.ImagePath, ViewModel.CryptionModel.Algorithm,
key, ViewModel.SteganographicModel.Algorithm,
ViewModel.SteganographicModel.Compression, ViewModel.SteganographicModel.LsbIndicator);
}
else
{
model = new DecodeModel(ViewModel.ImagePath, ViewModel.CryptionModel.Algorithm,
ViewModel.CryptionModel.Password, ViewModel.SteganographicModel.Algorithm,
ViewModel.SteganographicModel.Compression, ViewModel.SteganographicModel.LsbIndicator);
}
ViewModel.Result = model.Decode();
});
}
private void Analysis()
{
HandleJobController.Progress(() =>
{
var analyser = new StegAnalyser(ViewModel.RsAnalysis, ViewModel.SamplePairs, ViewModel.LaplaceGraph);
var path = SelectImage();
if (!string.IsNullOrEmpty(path))
{
using (var bitmap = new Bitmap(path))
{
ViewModel.Result = analyser.Run(bitmap);
}
}
});
}
private void Benchmark()
{
HandleJobController.Progress(() =>
{
var benchmarker = new Benchmarker(ViewModel.AverageAbsoluteDifference, ViewModel.MeanSquaredError,
ViewModel.LpNorm, ViewModel.LaplacianMeanSquaredError,
ViewModel.SignalToNoiseRatio, ViewModel.PeakSignalToNoiseRatio, ViewModel.NormalizedCrossCorrelation,
ViewModel.CorrelationQuality);
var original = SelectImage("Select Original Image");
var stegano = SelectImage("Select Steganogramm");
if (!string.IsNullOrEmpty(original) || !string.IsNullOrEmpty(stegano))
{
using (var orig = new Bitmap(original))
{
using (var steg = new Bitmap(stegano))
{
ViewModel.Result = benchmarker.Run(orig, steg);
}
}
}
});
}
private void CancelAction()
{
HandleJobController.Cancel();
}
