/// <summary>
///
/// </summary>
/// <param name="inputFile"></param>
/// <param name="outputFile"></param>
/// <param name="skey"></param>
public async void EncryptFile(string inputFile, string outputFile, string skey)
{
Debug.WriteLine(DateTime.Now.ToString() + " --> Starting Encryption");
var e = new CryptoEventArgs();
Stopwatch sw = new Stopwatch();
sw.Start();
await Task.Factory.StartNew(() =>
{
try
{
using (FileStream fsCrypt = new FileStream(outputFile, FileMode.Create))
using (ICryptoTransform encryptor = CreateAESKey(skey).CreateEncryptor())
using (CryptoStream cs = new CryptoStream(fsCrypt, encryptor, CryptoStreamMode.Write))
using (FileStream fsIn = new FileStream(inputFile, FileMode.Open))
{
int data;
int counter = 1;
while ((data = fsIn.ReadByte()) != -1)
{
cs.WriteByte((byte)data);
e.CompletionPercentage = (int)((double)fsIn.Position / (double)fsIn.Length * 100);
//Through event on no more then a percentage
if (e.CompletionPercentage > counter)
{
Debug.WriteLine("% " + e.CompletionPercentage + "\tPosition: " + fsIn.Position + "\tLength: " + fsIn.Length);
WorkHandler(this, e);
counter++;
}
}
}
}
catch (Exception ex)
{
throw new Exception("Encryption Failed", ex);
}
});
sw.Stop();
var c = new CryptoCompleteEventArgs();
c.ElapsedTime = sw.Elapsed;
CompleteHandler(this, c);
Debug.WriteLine(DateTime.Now.ToString() + " <-- Finishing Encryption after " + sw.ElapsedMilliseconds);
}
void crypto_CompleteHandler(object sender, CryptoCompleteEventArgs e)
{
this.Dispatcher.Invoke((Action)(() =>
{
//Reset Progress Bar
ProgressBar.Visibility = Visibility.Hidden;
ProgressBar.Value = 0;
// Setup Completion label
if (e.ElapsedTime.CompareTo(new TimeSpan(0, 0, 1)) < 0)
{
FinishedLabel.Content = "Completed in less then a second.";
}
else
{
FinishedLabel.Content = "Completed in " + e.ElapsedTime.ToString(@"mm\:ss");
}
DisableUI(false);
}));
}
