private double eval(ADFGVX key)
{
threadingHelper.decryptions[taskId - 1]++;
allPlain.length = 0;
foreach (ADFGVXVector cipher in ciphers)
{
key.decode(cipher, interimCipher, plain);
allPlain.append(plain);
}
allPlain.stats();
return(6000.0 * allPlain.IoC1 + 180000.0 * allPlain.IoC2);
}
private void printIfBest(ADFGVX key, int cycles, int step, double score, double temp, int deviation)
{
lock (threadingHelper.bestOverallLock)
{
if (score > threadingHelper.bestOverall)
{
threadingHelper.bestOverall = score;
analyzer.AddNewBestListEntry(Math.Round(threadingHelper.bestOverall, 0),
Math.Round(allPlain.IoC1, 2), Math.Round(allPlain.IoC2, 2), key.transpositionKey.ToString(), allPlain.ToString());
if (allPlain.IoC1 >= IndexOfCoinzidenz.Getlanguage(language) * ((float)(100 - deviation) / 100))
{
analyzer.TranspositionResult = allPlain.ToString();
}
analyzer.Transpositionkey = key.transpositionKey.ToString();
analyzer.LogText += Environment.NewLine + "Task: " + taskId + Environment.NewLine + "cycle: " + cycles +
Environment.NewLine + "temp: " + temp + Environment.NewLine + "trans key: " + key.transpositionKey +
Environment.NewLine + "bestOverall: " + threadingHelper.bestOverall +
Environment.NewLine + "IoC1 and IoC2: " + allPlain.IoC1 + " " + allPlain.IoC2;
}
}
}
public void SANgramsIC()
{
AlphabetVector keepTranspositionKey = new AlphabetVector(keyLength, false);
AlphabetVector newTranspositionKey = new AlphabetVector(keyLength, false);
ADFGVX key = new ADFGVX("", keyLength);
TranspositionTransformations transforms = new TranspositionTransformations(keyLength, true, true, true);
for (int cycles = 1; cycles <= restarts; cycles++)
{
if (cycles % 10 == 0)
{
analyzer.LogText += Environment.NewLine + "Task id: " + taskId + " starting with cycle: " + cycles;
}
key.randomTranspositionKey();
double score = eval(key);
double startTemp = 500.0;
double endTemp = 20.0;
double delta = 20.0;
double temp = startTemp;
for (int step = 0; temp >= endTemp; step++, temp -= delta)
{
transforms.randomize();
int size = transforms.size();
for (int i = 0; i < size; i++)
{
keepTranspositionKey.copy(key.transpositionKey);
transforms.transform(keepTranspositionKey.TextInInt, newTranspositionKey.TextInInt, keyLength, i);
key.setTranspositionKey(newTranspositionKey);
double newScore = eval(key);
if (SimulatedAnnealing.accept(newScore, score, temp))
{
score = newScore;
if (score > threadingHelper.bestOverall)
{
printIfBest(key, cycles, step, score, temp, deviation);
}
}
else
{
key.setTranspositionKey(keepTranspositionKey);
}
}
// Update PresentationView
long alldecryptions = 0;
lock (threadingHelper.decryptionsLock)
{
foreach (long d in threadingHelper.decryptions)
{
alldecryptions += d;
}
threadingHelper.UpdateDisplayEnd(keyLength, alldecryptions, restarts * (long)(startTemp / delta) * size + restarts);
}
}
}
//log.LogText("Task " + taskId + " Fertig", Logtype.Info);
}