public void ColumnarTestDec1()
{
Columnar algorithm = new Columnar();
string plain1 = algorithm.Decrypt(mainCipher1, mainkey);
string plain2 = algorithm.Decrypt(mainCipher2, mainkey);
Assert.IsTrue(plain1.Equals(mainPlain1, StringComparison.InvariantCultureIgnoreCase) ||
plain2.Equals(mainPlain2, StringComparison.InvariantCultureIgnoreCase));
}
public void Unigraph_ColumnarTest()
{
Columnar columnar = new Columnar(Utility.EnglishAlphabet());
cipher = "";
clear = "";
generated = "";
for (int i = 0; i < 25; i++)
{
System.Collections.Generic.Dictionary <char, int> repeats = new System.Collections.Generic.Dictionary <char, int>();
foreach (char c in columnar.GenerateRandomString(7))
{
if (!repeats.ContainsKey(c))
{
repeats.Add(c, 0);
}
}
StringBuilder sb = new StringBuilder();
foreach (char c in repeats.Keys)
{
sb.Append(c);
}
columnar.Key = sb.ToString();
generated = columnar.GenerateRandomString();
cipher = columnar.Encrypt(generated);
clear = columnar.Decrypt(cipher);
Assert.AreEqual(generated, clear);//error is missing the last character...
}
}
public void ColumnarTestDec2()
{
Columnar algorithm = new Columnar();
string plain = algorithm.Decrypt(mainCipher3, mainkey1);
Assert.IsTrue(plain.Equals(mainPlain3, StringComparison.InvariantCultureIgnoreCase));
}
public void ColumnarNewTestDec()
{
Columnar algorithm = new Columnar();
string plain1 = algorithm.Decrypt(newCipher, newKey);
Assert.IsTrue(plain1.Equals(newPlain, StringComparison.InvariantCultureIgnoreCase));
}
//decryption
public static string Decrypt(string cipher, string key)
{
string plain = "";
plain = Columnar.Decrypt(cipher, key);
plain = Columnar.Decrypt(plain, key);
return(plain);
}
private void button15_Click(object sender, EventArgs e)
{
Columnar columnar = new Columnar();
List <int> key = new List <int>();
string[] arr = ColumnarKeyBox.Text.Split(' ');
for (int i = 0; i < arr.Length; i++)
{
key.Add(Convert.ToInt32(arr[i]));
}
string result = columnar.Decrypt(ColumnarCTBox.Text, key);
ColumnarPTBox.Text = result;
}
private void button3_Click(object sender, EventArgs e)
{
if (comboBox1.Text.Contains("Ceaser"))
{
Ceaser c = new Ceaser();
string Res = c.Decrypt(textBox2.Text.ToString(), int.Parse(textBox3.Text.ToString()));
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("Monoalphabetic"))
{
Monoalphabetic c = new Monoalphabetic();
string Res = c.Decrypt(textBox2.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("Columnar"))
{
Columnar c = new Columnar();
List <int> key = new List <int>();
for (int i = 0; i < textBox3.Text.Length; i++)
{
key.Add(int.Parse(textBox3.Text[i].ToString()));
}
string Res = c.Decrypt(textBox2.Text.ToString(), key);
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("HillCipher"))
{
HillCipher c = new HillCipher();
List <int> key1 = new List <int>();
List <int> Plaintext1 = new List <int>();
string Res = "";
List <int> ResDig = new List <int>();
if (char.IsDigit(textBox3.Text[0]) && char.IsDigit(textBox1.Text[0]))
{
for (int i = 0; i < textBox2.Text.Length; i++)
{
Plaintext1.Add(int.Parse(textBox2.Text[i].ToString()));
}
for (int i = 0; i < textBox3.Text.Length; i++)
{
key1.Add(int.Parse(textBox3.Text[i].ToString()));
}
ResDig = c.Decrypt(Plaintext1, key1);
textBox4.Text = ResDig.ToString();
}
else
{
Res = c.Decrypt(textBox2.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
}
else if (comboBox1.Text.Contains("PlayFair"))
{
PlayFair c = new PlayFair();
string Res = c.Decrypt(textBox2.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("RailFence"))
{
RailFence c = new RailFence();
string Res = c.Decrypt(textBox2.Text.ToString(), int.Parse(textBox3.Text.ToString()));
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("RepeatingKeyVigenere"))
{
RepeatingkeyVigenere c = new RepeatingkeyVigenere();
string Res = c.Decrypt(textBox2.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("AutokeyVigenere"))
{
AutokeyVigenere c = new AutokeyVigenere();
string Res = c.Decrypt(textBox2.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("RSA"))
{
RSA c = new RSA();
string s = textBox1.Text.ToString();
string[] str = s.Split(' ');
int p = int.Parse(str[0]);
int q = int.Parse(str[1]);
int M = int.Parse(str[2]);
int ee = int.Parse(str[3]);
int Res = c.Decrypt(p, q, M, ee);
textBox4.Text = Res.ToString();
}
else if (comboBox1.Text.Contains("AES"))
{
AES c = new AES();
string Res = c.Decrypt(textBox2.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
}