public ADFGVX(String name, int transpositionKeyLength)
{
this.name = name;
transpositionKey = new AlphabetVector(transpositionKeyLength, false);
transpositionInverseKey = new AlphabetVector(transpositionKeyLength, false);
substitutionKey = new Alphabet36Vector();
substitutionInverseKey = new Alphabet36Vector();
substitutionKey.acceptErrors = true;
substitutionInverseKey.acceptErrors = true;
resetTranspositionKey();
resetSubstitutionKey();
}
public void decodeSubstitution(ADFGVXVector interim, Alphabet36Vector plain)
{
if (interim.length % 2 != 0)
{
//hack, to allow uneven length adfgvx texts
interim.append("A");
}
plain.length = 0;
for (int i = 0; i < interim.length; i += 2)
{
int v1 = interim.TextInInt[i];
int v2 = interim.TextInInt[i + 1];
if (v1 == -1 || v2 == -1)
{
plain.append(-1);
}
else
{
plain.append(this.substitutionInverseKey.TextInInt[v1 * 6 + v2]);
}
}
}
public Algorithm(int keyLength, String[] messages, Logger log, int taskId, ThreadingHelper threadingHelper, ADFGVXANalyzerSettings settings, ADFGVXAnalyzer analyzer)
{
this.analyzer = analyzer;
this.threadingHelper = threadingHelper;
this.taskId = taskId;
this.log = log;
this.language = settings.Language;
this.deviation = settings.Deviation;
this.restarts = settings.Restarts;
this.keyLength = keyLength;
ciphers = new ADFGVXVector[messages.Length];
int totalPlainLength = 0;
int maxPlainLength = 0;
for (int m = 0; m < messages.Length; m++)
{
ciphers[m] = new ADFGVXVector(messages[m].Replace(" ", ""), false);
totalPlainLength += ciphers[m].length / 2;
maxPlainLength = Math.Max(maxPlainLength, ciphers[m].length / 2);
}
allPlain = new Alphabet36Vector(totalPlainLength, true);
plain = new Alphabet36Vector(maxPlainLength, false);
interimCipher = new ADFGVXVector(maxPlainLength * 2, false);
}
public void decode(ADFGVXVector cipher, ADFGVXVector interim, Alphabet36Vector plain)
{
Transposition.decodeWithInverseKey(this.transpositionInverseKey, cipher, interim);
decodeSubstitution(interim, plain);
}
public void setSubstitutionInverseKey(Alphabet36Vector substitutionInverseKey)
{
this.substitutionInverseKey.copy(substitutionInverseKey);
updateSubstitutionKeyFromInverse();
}
