public void Crack(string text, FormMainWindow wnd)
{
wnd.InitialiseProgressBar(1);
wnd.SetProgressText("Step 1 of 1");
string output = Encrypt(text);
wnd.StepProgress();
wnd.SetProgressText("ROT13 cipher cracked!");
wnd.SetOutputText(output);
}
public void Crack(string text, FormMainWindow wnd)
{
wnd.InitialiseProgressBar(311);
string textRev = text.ReverseString();
double best_score = 0.0;
int best_keya = 0;
int best_keyb = 0;
for (int this_keya = 1; this_keya < 26; this_keya += 2)
{
if (this_keya == 13)
{
continue;
}
for (int this_keyb = 1; this_keyb <= 26; this_keyb++)
{
int i = ((this_keya - 1) / 2);
wnd.SetProgressText($"Step {(i > 6 ? i-1 : i)*26 + this_keyb - 1} of 311\nAttempting keys of {this_keya} and {this_keyb}...");
Affine cipher = new Affine(this_keya, this_keyb);
string this_output = cipher.Decrypt(text);
double this_score = NgramScore.MonogramScore.Score(this_output);
if (this_score > best_score)
{
best_score = this_score;
best_keya = this_keya;
best_keyb = this_keyb;
}
wnd.StepProgress();
}
}
string output;
if (
NgramScore.QuadgramScore.Score(new Affine(best_keya, best_keyb).Decrypt(text)) >
NgramScore.QuadgramScore.Score(new Affine(best_keya, best_keyb).Decrypt(textRev)))
{
output = new Affine(best_keya, best_keyb).Decrypt(text);
}
else
{
output = new Affine(best_keya, best_keyb).Decrypt(textRev);
}
wnd.SetOutputText(output.ToLower());
}
public void Crack(string text, FormMainWindow wnd)
{
wnd.InitialiseProgressBar(26);
string textRev = text.ReverseString();
double best_score = 0.0;
int best_key = 0;
for (int this_key = 0; this_key < 26; this_key++)
{
wnd.SetProgressText($"Step {this_key+1} of 26\nAttempting key of {Util.alphabet[this_key]}...");
Caesar cipher = new Caesar(this_key);
string this_output = cipher.Decrypt(text);
double this_score = NgramScore.MonogramScore.Score(this_output);
if (this_score > best_score)
{
best_score = this_score;
best_key = this_key;
}
wnd.StepProgress();
}
string output;
if (
NgramScore.QuadgramScore.Score(new Caesar(best_key).Decrypt(text)) >
NgramScore.QuadgramScore.Score(new Caesar(best_key).Decrypt(textRev)))
{
output = new Caesar(best_key).Decrypt(text);
}
else
{
output = new Caesar(best_key).Decrypt(textRev);
}
wnd.SetOutputText(output.ToLower());
}
