public void HillCipherError4()
{
HillCipher algorithm = new HillCipher();
string key = algorithm.Analyse3By3Key(mainPlain, cipherS3);
Assert.IsTrue(key.Equals(keyS3, StringComparison.InvariantCultureIgnoreCase));
}
public void HillCipherTestNew2By2Analysis()
{
HillCipher algorithm = new HillCipher();
string key = algorithm.Analyse(newPlain, newCipher);
Assert.IsTrue(key.Equals(newKey, StringComparison.InvariantCultureIgnoreCase));
}
public void HillCipherTestNewEnc()
{
HillCipher algorithm = new HillCipher();
string cipher = algorithm.Encrypt(newPlain, newKey);
Assert.IsTrue(cipher.Equals(newCipher, StringComparison.InvariantCultureIgnoreCase));
}
public void HillCipherTestDec5()
{
HillCipher algorithm = new HillCipher();
string plain = algorithm.Decrypt(mainCipher3, mainKey3);
Assert.IsTrue(plain.Equals(mainPlain3, StringComparison.InvariantCultureIgnoreCase));
}
public void HillCipherTest3By3Analysis1()
{
HillCipher algorithm = new HillCipher();
string key = algorithm.Analyse3By3Key(mainPlain3, mainCipher3);
Assert.IsTrue(key.Equals(mainKey3, StringComparison.InvariantCultureIgnoreCase));
}
public void HillCipherTestNewDec()
{
HillCipher algorithm = new HillCipher();
string plain = algorithm.Decrypt(newCipher, newKey);
Assert.IsTrue(plain.Equals(newPlain, StringComparison.InvariantCultureIgnoreCase));
}
public void HillCipherTestEnc3()
{
HillCipher algorithm = new HillCipher();
string cipher = algorithm.Encrypt(mainPlain, keyS3);
Assert.IsTrue(cipher.Equals(cipherS3, StringComparison.InvariantCultureIgnoreCase));
}
private void HillAnalays_Click(object sender, EventArgs e)
{
HillCipher hillcipher = new HillCipher();
string res = hillcipher.Analyse(HillPlain.Text, HillCipher.Text);
HILLKey.Text = res;
}
private void HillDecrypt_Click(object sender, EventArgs e)
{
HillCipher hillcipher = new HillCipher();
string res = hillcipher.Decrypt(HillCipher.Text, HILLKey.Text);
HillPlain.Text = res;
}
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");
}
public void HillCipherTest2By2Analysis2()
{
HillCipher algorithm = new HillCipher();
List <int> key2 = algorithm.Analyse(plain, cipher);
for (int i = 0; i < key.Count; i++)
{
Assert.AreEqual(key[i], key2[i]);
}
}
public void HillCipherTest3By3Analysis2()
{
HillCipher algorithm = new HillCipher();
List <int> key2 = algorithm.Analyse3By3Key(plain4, cipher4);
for (int i = 0; i < key4.Count; i++)
{
Assert.AreEqual(key4[i], key2[i]);
}
}
public void HillCipherTestEnc2()
{
HillCipher algorithm = new HillCipher();
List <int> cipher2 = algorithm.Encrypt(plain, key);
for (int i = 0; i < cipher.Count; i++)
{
Assert.AreEqual(cipher[i], cipher2[i]);
}
}
public void HillCipherTestDec2()
{
HillCipher algorithm = new HillCipher();
List <int> plain2 = algorithm.Decrypt(cipher, key);
for (int i = 0; i < plain.Count; i++)
{
Assert.AreEqual(plain[i], plain2[i]);
}
}
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;
}
static void Main(string[] args)
{
HillCipher hill = new HillCipher(26);
Console.WriteLine("Write message, please");
var encodedMessage = hill.Encode(Console.ReadLine());
Console.WriteLine($"Key: {hill.GetKey}");
Console.WriteLine($"Encoded message:\n{encodedMessage}");
var decodedMessage = hill.Decode(encodedMessage);
Console.WriteLine($"Decoded message:\n{decodedMessage}");
Console.ReadKey();
}
public void Encode_MessageInUkrainianAndKey_ReturnsMessageEncodedForUkrainianAlphabetAndProvidedKey(string message, string expectedEncodedMessage, object[] key)
{
var flattenedKey = (int[])key[0];
int[,] keyTransformed = new int[2, 2] {
{ flattenedKey[0], flattenedKey[1] },
{ flattenedKey[2], flattenedKey[3] }
};
HillCipher encoder =
new HillCipher(keyTransformed, new UkrainianAlphabet());
string encodedMessage = encoder.Encode(message);
Assert.Equal(expectedEncodedMessage, encodedMessage);
}
public void HillCipherTest1()
{
// 进行随机测试，测试加密密文和解密密文是否相等
int time = 100; // 测试次数
Random random = new Random();
HillCipher cipher = new HillCipher(RandomHelper.GetHillMatrix());
// 进行time次测试
for (int i = 0; i < time; i++)
{
// 随机生成测试明文
var plain = RandomHelper.GetCharList();
var re = cipher.Decrypt(cipher.Encrypt(plain));
Assert.AreEqual(plain, re);
}
}
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;
}
private void button2_Click(object sender, EventArgs e)
{
if (comboBox1.Text.Contains("Ceaser"))
{
Ceaser c = new Ceaser();
int Res = c.Analyse(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res.ToString();
}
else if (comboBox1.Text.Contains("Monoalphabetic"))
{
Monoalphabetic c = new Monoalphabetic();
string Res = c.Analyse(textBox1.Text.ToString(), textBox2.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()));
}
List <int> Res = c.Analyse(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res.ToString();
}
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 (textBox5.Text == "2")
{
if (char.IsDigit(textBox1.Text[0]) && char.IsDigit(textBox2.Text[0]))
{
for (int i = 0; i < textBox1.Text.Length; i++)
{
Plaintext1.Add(int.Parse(textBox1.Text[i].ToString()));
}
for (int i = 0; i < textBox2.Text.Length; i++)
{
key1.Add(int.Parse(textBox2.Text[i].ToString()));
}
ResDig = c.Analyse(Plaintext1, key1);
textBox4.Text = ResDig.ToString();
}
else
{
Res = c.Analyse(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res;
}
}
else if (textBox5.Text == "3")
{
if (char.IsDigit(textBox1.Text[0]) && char.IsDigit(textBox2.Text[0]))
{
for (int i = 0; i < textBox1.Text.Length; i++)
{
Plaintext1.Add(int.Parse(textBox1.Text[i].ToString()));
}
for (int i = 0; i < textBox2.Text.Length; i++)
{
key1.Add(int.Parse(textBox2.Text[i].ToString()));
}
ResDig = c.Analyse3By3Key(Plaintext1, key1);
textBox4.Text = ResDig.ToString();
}
else
{
Res = c.Analyse3By3Key(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res;
}
}
}
else if (comboBox1.Text.Contains("RailFence"))
{
RailFence c = new RailFence();
int Res = c.Analyse(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res.ToString();
}
else if (comboBox1.Text.Contains("RepeatingKeyVigenere"))
{
RepeatingkeyVigenere c = new RepeatingkeyVigenere();
string Res = c.Analyse(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("AutokeyVigenere"))
{
AutokeyVigenere c = new AutokeyVigenere();
string Res = c.Analyse(textBox1.Text.ToString(), textBox2.Text.ToString());
textBox4.Text = Res;
}
}
public void HillCipherError3()
{
HillCipher algorithm = new HillCipher();
List <int> key2 = algorithm.Decrypt(plain, keyError);
}
public void HillCipherError2()
{
HillCipher algorithm = new HillCipher();
List <int> key2 = algorithm.Analyse(mainPlainError2, mainCipherError2);
}
private void button1_Click(object sender, EventArgs e)
{
if (comboBox1.Text.Contains("Ceaser"))
{
Ceaser c = new Ceaser();
string Res = c.Encrypt(textBox1.Text.ToString(), int.Parse(textBox3.Text.ToString()));
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("Monoalphabetic"))
{
Monoalphabetic c = new Monoalphabetic();
string Res = c.Encrypt(textBox1.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.Encrypt(textBox1.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 < textBox1.Text.Length; i++)
{
Plaintext1.Add(int.Parse(textBox1.Text[i].ToString()));
}
for (int i = 0; i < textBox3.Text.Length; i++)
{
key1.Add(int.Parse(textBox3.Text[i].ToString()));
}
ResDig = c.Encrypt(Plaintext1, key1);
textBox4.Text = ResDig.ToString();
}
else
{
Res = c.Encrypt(textBox1.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
}
else if (comboBox1.Text.Contains("PlayFair"))
{
PlayFair c = new PlayFair();
string Res = c.Encrypt(textBox1.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("RailFence"))
{
RailFence c = new RailFence();
string Res = c.Encrypt(textBox1.Text.ToString(), int.Parse(textBox3.Text.ToString()));
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("RepeatingKeyVigenere"))
{
RepeatingkeyVigenere c = new RepeatingkeyVigenere();
string Res = c.Encrypt(textBox1.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("AutokeyVigenere"))
{
AutokeyVigenere c = new AutokeyVigenere();
string Res = c.Encrypt(textBox1.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.Encrypt(p, q, M, ee);
textBox4.Text = Res.ToString();
}
else if (comboBox1.Text.Contains("AES"))
{
AES c = new AES();
string Res = c.Encrypt(textBox1.Text.ToString(), textBox3.Text.ToString());
textBox4.Text = Res;
}
else if (comboBox1.Text.Contains("MD5"))
{
MD5 c = new MD5();
string Res = c.GetHash(textBox1.Text.ToString());
textBox4.Text = Res;
}
}
public void HillCipherError1()
{
HillCipher algorithm = new HillCipher();
string key2 = algorithm.Analyse(mainPlainError, mainCipherError);
}
