private void AddKeyToResult(Mapping map, bool fullSolution)
{
if (fullSolution)
{
this.completeKey = true;
}
else
{
this.partialKey = true;
}
int[] key = this.MakeKeyComplete(map.DeriveKey());
Text plaintext = this.DecryptCiphertext(key, this.ctext, this.calpha);
string plain = plaintext.ToString(this.palpha);
double fit = this.freq.CalculateFitnessOfKey(plaintext);
String key_string = CreateAlphabetOutput(key, this.palpha);
KeyCandidate keyCan = new KeyCandidate(key, fit, plain, key_string);
keyCan.DicAttack = true;
this.updateKeyDisplay(keyCan);
}
private void UpdateKeyDisplay(KeyCandidate keyCan)
{
try
{
bool update = false;
// Add key if key does not already exists
if (!this.keyCandidates.Contains(keyCan))
{
this.keyCandidates.Add(keyCan);
this.keyCandidates.Sort(new KeyCandidateComparer());
if (this.keyCandidates.Count > 20)
{
this.keyCandidates.RemoveAt(this.keyCandidates.Count - 1);
}
update = true;
}
else
{
int index = this.keyCandidates.IndexOf(keyCan);
KeyCandidate keyCanAlreadyInList = this.keyCandidates[index];
if (keyCan.DicAttack == true)
{
if (keyCanAlreadyInList.DicAttack == false)
{
keyCanAlreadyInList.DicAttack = true;
update = true;
}
}
if (keyCan.GenAttack == true)
{
if (keyCanAlreadyInList.GenAttack == false)
{
keyCanAlreadyInList.GenAttack = true;
update = true;
}
}
}
// Display output
if (update)
{
this.plaintext = this.keyCandidates[0].Plaintext;
OnPropertyChanged("Plaintext");
this.plaintext_alphabet_output = CreateAlphabetOutput(this.keyCandidates[0].Key, this.ctAlphabet);
OnPropertyChanged("Plaintext_Alphabet_Output");
((AssignmentPresentation)Presentation).Dispatcher.Invoke(DispatcherPriority.Normal,
(SendOrPostCallback) delegate
{
try
{
((AssignmentPresentation)Presentation).entries.Clear();
for (int i = 0; i < this.keyCandidates.Count; i++)
{
KeyCandidate keyCandidate = this.keyCandidates[i];
ResultEntry entry = new ResultEntry();
entry.Ranking = i.ToString();
entry.Text = keyCandidate.Plaintext;
entry.Key = keyCandidate.Key_string;
if (keyCandidate.GenAttack == true && keyCandidate.DicAttack == false)
{
entry.Attack = Resources.GenAttackDisplay;
}
else if (keyCandidate.DicAttack == true && keyCandidate.GenAttack == false)
{
entry.Attack = Resources.DicAttackDisplay;
}
else if (keyCandidate.GenAttack == true && keyCandidate.DicAttack == true)
{
entry.Attack = Resources.GenAttackDisplay + ", " + Resources.DicAttackDisplay;
}
double f = Math.Log10(Math.Abs(keyCandidate.Fitness));
entry.Value = string.Format("{0:0.00000} ", f);
((AssignmentPresentation)Presentation).entries.Add(entry);
}
}
catch (Exception ex)
{
GuiLogMessage("Exception during UpdateKeyDisplay Presentation.Dispatcher: " + ex.Message, NotificationLevel.Error);
}
}, null);
}
}
catch (Exception ex)
{
GuiLogMessage("Exception during UpdateKeyDisplay: " + ex.Message, NotificationLevel.Error);
}
}
public void Analyze()
{
//Set progress to 50%
this.pluginProgress(50.0, 100.0);
// Adjust analyzer parameters to ciphertext length
AdjustAnalyzerParameters(this.ciphertext.Length);
this.currun_keys_tested = 0;
// Initialization of repetition data structures
int[][] bestkeys = new int[this.repetitions][];
double[] bestkeys_fit = new double[this.repetitions];
// Execute analysis
for (int curRep = 0; curRep < this.repetitions; curRep++)
{
if (this.stopFlag == true)
{
return;
}
Population population = new Population();
SetUpEnvironment(population, GeneticAttacker.population_size);
CreateInitialGeneration(population, this.ciphertext, this.ciphertext_alphabet, this.plaintext_alphabet, null);
double change = population.dev;
int curGen = 1;
Population nextGen = population;
while ((change > GeneticAttacker.changeBorder) && (curGen < GeneticAttacker.maxGenerations))
{
if (this.stopFlag == true)
{
return;
}
nextGen = CreateNextGeneration(nextGen, this.ciphertext, this.ciphertext_alphabet, false);
change = nextGen.dev;
curGen++;
this.pluginProgress(50.0 + (((double)(curRep + 1) * curGen) / (this.repetitions * GeneticAttacker.maxGenerations)) / 2 * 100, 100.0);
}
nextGen = CreateNextGeneration(nextGen, this.ciphertext, this.ciphertext_alphabet, true);
this.plaintext = DecryptCiphertext(nextGen.keys[0], this.ciphertext, this.ciphertext_alphabet);
bestkeys[curRep] = nextGen.keys[0];
bestkeys_fit[curRep] = nextGen.fitness[0];
Text plainTxt = DecryptCiphertext(bestkeys[curRep], this.ciphertext, this.ciphertext_alphabet);
String plain = plainTxt.ToString(this.plaintext_alphabet);
String key_string = CreateAlphabetOutput(bestkeys[curRep], this.plaintext_alphabet);
// Report keyCan
KeyCandidate newKeyCan = new KeyCandidate(bestkeys[curRep], bestkeys_fit[curRep], plain, key_string);
newKeyCan.GenAttack = true;
this.updateKeyDisplay(newKeyCan);
}
}
