private void breakVigenereButton_Click(object sender, EventArgs e)
{
const int numberOfLengths = 16;
// Scores start at 1
List <double> scores = new List <double>(
CaesarAndVigenere.vigenereKeyLengthScores(parent.ciphertext, numberOfLengths));
scores.RemoveAt(0);
List <double> scoresInOrder = new List <double>(scores);
//scores.Sort();
//scores.Reverse();
//int roundedUpQuarterLength = (int)Math.Ceiling(scores.Count / 4.0);
//scores.RemoveRange(roundedUpQuarterLength, scores.Count - roundedUpQuarterLength);
double maxTwenty = scores.Max() * 0.8;
Console.WriteLine("Max: " + maxTwenty);
scores = scores.Where(x => x > maxTwenty).ToList();
List <int> bestIndicies = scores.Select(x => scoresInOrder.IndexOf(x)).ToList();
bestIndicies.Sort();
if (bestIndicies[0] + 1 != 4)
{
changeKeyLength(bestIndicies[0] + 1);
}
else
{
//keyLengthChanged();
findScores();
checkTopWithin20();
solveForKeys();
}
}
private void makeGraph()
{
if (!invalidNumberLabel.Visible)
{
int numberOfLengths = Int32.Parse(numberOfLengthsTextBox.Text);
DataTable dt = new DataTable();
dt.Columns.Add("Key Length", typeof(int));
dt.Columns.Add("IC Score", typeof(double));
double[] scores = CaesarAndVigenere.vigenereKeyLengthScores(grandparent.ciphertext, numberOfLengths);
for (int length = 1; length <= numberOfLengths; length++)
{
DataRow newRow = dt.NewRow();
newRow[0] = length;
newRow[1] = scores[length];
dt.Rows.Add(newRow);
}
keyLengthScoresDGV.DataSource = null;
keyLengthScoresDGV.DataSource = dt;
//keyLengthScoresDGV.Sort(keyLengthScoresDGV.Columns[1], ListSortDirection.Ascending);
keyLengthScoresDGV.Columns[0].Width = 85;
//chart1.ChartAreas[0].AxisX.Minimum = 1;
chart1.Series["Letter Scores"].Points.DataBindY(scores.Skip(1).ToArray());
// Crop y axis scale
double smallest = scores.Skip(1).Min();
Console.WriteLine(smallest);
chart1.ChartAreas[0].AxisY.Minimum = Math.Round(0.8 * smallest, 2);
}
}