private void BtnAuto_Click(object sender, EventArgs e)
{
Stopwatch stopwatch;
string fileheader = new StringBuilder().AppendLine("Key length;Hmax;H;Encryption time").ToString();
File.WriteAllText("hill.csv", fileheader);
File.WriteAllText("gamma.csv", fileheader);
File.WriteAllText("1permutation.csv", fileheader);
for (int k = 2; k <= 11; k++)
{
StringBuilder hcs = new StringBuilder();
StringBuilder gcs = new StringBuilder();
StringBuilder pcs = new StringBuilder();
for (int j = 0; j < 10; j++)
{
Gamma <int> gc = new Gamma <int>(bmp, random.Next(0, 256), k);
SinglePermutation <int[]> pc = new SinglePermutation <int[]>(bmp, SinglePermutation <int> .GenKey(k));
if (k > 100 & k % 100 == 0)
{
HillCipher <Matrix> hc = new HillCipher <Matrix>(
bmp,
HillCipher <Matrix> .GenNewKey(k / 100)[KeyType.ENCRYPT],
HillCipher <Matrix> .GenNewKey(k / 100)[KeyType.ENCRYPT]);
stopwatch = new Stopwatch();
stopwatch.Start();
hc = hc.Encrypt();
stopwatch.Stop();
hcs.AppendLine(String.Format("{0};{1};{2};{3}",
k,
hc.ImageInfo.Hmax,
hc.ImageInfo.H,
stopwatch.ElapsedMilliseconds));
}
stopwatch = new Stopwatch();
stopwatch.Start();
gc = gc.Encrypt();
stopwatch.Stop();
gcs.AppendLine(String.Format("{0};{1};{2};{3}",
k,
gc.ImageInfo.Hmax,
gc.ImageInfo.H,
stopwatch.ElapsedMilliseconds));
stopwatch = new Stopwatch();
stopwatch.Start();
pc = pc.Encrypt();
stopwatch.Stop();
pcs.AppendLine(String.Format("{0};{1};{2};{3}",
k,
pc.ImageInfo.Hmax,
pc.ImageInfo.H,
stopwatch.ElapsedMilliseconds));
}
File.AppendAllText("hill.csv", hcs.ToString());
File.AppendAllText("gamma.csv", gcs.ToString());
File.AppendAllText("1permutation.csv", pcs.ToString());
}
MessageBox.Show("Done");
}
private void Btne_Click(object sender, EventArgs e)
{
if (radioHill.Checked) //hill
{
lastRB = radioHill;
int rnd = random.Next(0, 10);
if (k < 11)
{
hillCipher = new HillCipher <Matrix>(cypheredImage.Image,
HillCipher <Matrix> .GetKeys(k, rnd)[KeyType.ENCRYPT],
HillCipher <Matrix> .GetKeys(k, rnd)[KeyType.DECRYPT]);
btnd.Enabled = true;
}
else
{
hillCipher = new HillCipher <Matrix>(cypheredImage.Image,
HillCipher <Matrix> .GenNewKey(k)[KeyType.ENCRYPT],
HillCipher <Matrix> .GenNewKey(k)[KeyType.DECRYPT]);
btnd.Enabled = false;
}
var tmp = hillCipher.Message;
hillCipher = hillCipher.Encrypt();
hillCipher.Message = tmp;
cypheredImage = hillCipher.ImageInfo;
}
else if (radioPermut.Checked) //1perutation
{
lastRB = radioPermut;
perm1 = new SinglePermutation <int[]>(
cypheredImage.Image, SinglePermutation <int> .GenKey(k));
perm1 = perm1.Encrypt();
cypheredImage = perm1.ImageInfo;
}
else if (radioGamm.Checked) //gamma
{
lastRB = radioGamm;
gamma = new Gamma <int>(cypheredImage.Image,
random.Next(0, 256), k);
var tmp = gamma.Message;
gamma = gamma.Encrypt();
gamma.Message = tmp;
cypheredImage = gamma.ImageInfo;
}
else
{
SystemSounds.Exclamation.Play();
}
Hcypher.Text = "H = " + cypheredImage.H;
pictureBox2.Image = cypheredImage.Image;
}
private void Btnd_Click(object sender, EventArgs e)
{
if (lastRB == radioHill) //hill
{
hillCipher = hillCipher.Decrypt();
cypheredImage = hillCipher.ImageInfo;
}
else if (lastRB == radioPermut) //1perutation
{
perm1 = perm1.Decrypt();
cypheredImage = perm1.ImageInfo;
}
else if (lastRB == radioGamm)//gamma
{
gamma = gamma.Decrypt();
cypheredImage = gamma.ImageInfo;
}
else
{
SystemSounds.Exclamation.Play();
}
Hcypher.Text = "H = " + cypheredImage.H;
pictureBox2.Image = cypheredImage.Image;
}
