public void PreExecution()
{
isrunning = true;
running = false;
stopped = false;
if (enigmaPresentationFrame.EnigmaPresentation.checkReady())
{
enigmaPresentationFrame.EnigmaPresentation.stopclick(this, EventArgs.Empty);
}
EventsHelper.GuiLogMessage(OnGuiLogNotificationOccured, this, new GuiLogEventArgs("Preparing enigma for operation..", this, NotificationLevel.Info));
if (settings.Model != 3 && settings.Model != 2)
{
EventsHelper.GuiLogMessage(OnGuiLogNotificationOccured, this, new GuiLogEventArgs("This simulator is work in progress. As of right now only Enigma I and Enigma Reichsbahn (Rocket) is supported!!", this, NotificationLevel.Warning));
return;
}
// remember the current key-setting, in order to restore on stop
savedKey = settings.Key;
//configure the enigma
core.setInternalConfig(settings.Rotor1, settings.Rotor2, settings.Rotor3, settings.Rotor4,
settings.Reflector, settings.Ring1, settings.Ring2, settings.Ring3, settings.Ring4,
settings.PlugBoard);
}
private const int maxAnalysisEntries = 10; // should go in settings under "Analysis Options"
#endregion
#region Private member methods
/// <summary>
/// This method basically brute-forces all possible rotors
/// </summary>
/// <param name="text">The ciphertext</param>
private void analyzeRotors(string text)
{
// Start the stopwatch
Stopwatch sw = Stopwatch.StartNew();
int trials = 0;
for (int i = 0; i < 8; i++)
{
//Rotor 3 (slowest)
if (!includeRotor(i))
{
continue;
}
settings.Rotor3 = i;
for (int j = 0; j < 8; j++)
{
// Rotor 2 (middle)
if (!includeRotor(j) || j == i)
{
continue;
}
settings.Rotor2 = j;
for (int k = 0; k < 8; k++)
{
// Rotor 1 (fastest)
if (!includeRotor(k) || k == i || k == j)
{
continue;
}
settings.Rotor1 = k;
//set the internal Config to the new rotors
core.setInternalConfig(k, j, i, 0, settings.Reflector,
settings.AnalyzeRings ? 1 : settings.Ring1,
settings.AnalyzeRings ? 1 : settings.Ring2,
settings.AnalyzeRings ? 1 : settings.Ring3,
settings.Ring4,
settings.AnalyzePlugs ? settings.Alphabet : settings.PlugBoard);
analyzeKeys(text);
trials++;
pluginFacade.ShowProgress(i * Math.Pow(8, 2) + j * 8 + k, Math.Pow(8, 3));
if (stop)
{
break;
}
} // Rotor 1
if (stop)
{
break;
}
} // Rotor 2
if (stop)
{
break;
}
} // Rotor 3
// Stop the stopwatch
sw.Stop();
string msg = String.Format("Processed {0} rotor permutations in {1}!",
trials, sw.Elapsed.ToString());
pluginFacade.LogMessage(msg, NotificationLevel.Info);
}