public override (string, double) Break(string cipher = null)
{
if (cipher == null)
{
cipher = this.Cipher;
}
string plain = cipher;
double maxProb = FrequencyAnalyst.Analyze(cipher);
for (int i = 1; i < LetterSetSize; i++)
{
(string str, bool ok)result = Decode(cipher, i.ToString());
if (result.ok)
{
double prob = FrequencyAnalyst.Analyze(result.str);
if (prob > maxProb)
{
plain = result.str;
maxProb = prob;
}
}
}
this.Plain = plain;
ProcessLog.Enqueue(plain);
ProcessLog.Enqueue("");
return(plain, Math.Pow(Math.E, maxProb));
}
public override (string, double) Break(string cipher = null)
{
if (cipher == null)
{
cipher = this.Cipher;
}
string plain = cipher;
double maxProb = FrequencyAnalyst.Analyze(cipher);
for (int i = 0; i < LetterSetSize; i++)
{
if (NumberTheory.Gcd(i, LetterSetSize) == 1)
{
for (int j = 0; j < LetterSetSize; j++)
{
string a = i.ToString();
string b = j.ToString();
string ab = a + "," + b;
(string str, bool ok)result = Decode(cipher, ab);
if (result.ok)
{
double prob = FrequencyAnalyst.Analyze(result.str);
if (prob > maxProb)
{
plain = result.str;
maxProb = prob;
}
}
}
}
}
this.Plain = plain;
ProcessLog.Enqueue(plain);
ProcessLog.Enqueue("");
return(plain, Math.Pow(Math.E, maxProb));
//throw new NotImplementedException();
}
