public void PlayfairTestEnc4()
{
PlayFair algorithm = new PlayFair();
string cipher = algorithm.Encrypt(largePlain, largeKey);
Assert.IsTrue(cipher.Equals(largeCipher, StringComparison.InvariantCultureIgnoreCase));
}
public void PlayfairTestNewDec()
{
PlayFair algorithm = new PlayFair();
string plain = algorithm.Decrypt(newCipher, newKey);
Assert.IsTrue(plain.Equals(newPlain, StringComparison.InvariantCultureIgnoreCase));
}
public void PlayfairTestDec2()
{
PlayFair algorithm = new PlayFair();
string plain = algorithm.Decrypt(mainCipher1, mainKey1);
Assert.IsTrue(plain.Equals(mainPlain1, StringComparison.InvariantCultureIgnoreCase));
}
private static string Cipher(string input, bool encipher)
{
string aux = string.Empty;
string retVal = string.Empty;
CesarCypher _cesar = new CesarCypher();
PlayFair _playerFair = new PlayFair();
if (encipher)
{
for (int i = 0; i < numberOfEncipher; i++)
{
aux = _cesar.Encipher(input, cesarKey);
aux = _playerFair.Encipher(input, playerFairKey);
}
}
else
{
for (int i = 0; i < numberOfEncipher; i++)
{
aux = _cesar.Decipher(input, cesarKey);
aux = _playerFair.Decipher(input, playerFairKey);
}
}
retVal = aux;
return(retVal);
}
private void button17_Click(object sender, EventArgs e)
{
PlayFair playfair = new PlayFair();
string result = playfair.Decrypt(PlayFairCTBox.Text, PalyFairKeyBox.Text);
PlayFairPTBox.Text = result;
}
public void PlayfairTestNewEnc()
{
PlayFair algorithm = new PlayFair();
string cipher = algorithm.Encrypt(newPlain, newKey);
Console.WriteLine(cipher);
Assert.IsTrue(cipher.Equals(newCipher, StringComparison.InvariantCultureIgnoreCase));
}
public void PlayfairTestEnc3()
{
PlayFair algorithm = new PlayFair();
string cipher = algorithm.Encrypt(mainPlain2, mainKey2);
Assert.IsTrue(cipher.Equals(mainCipher2, StringComparison.InvariantCultureIgnoreCase) ||
cipher.Equals(mainCipher22, StringComparison.InvariantCultureIgnoreCase));
}
public void PlayfairTestDec4()
{
PlayFair algorithm = new PlayFair();
string plain = algorithm.Decrypt(largeCipher, largeKey);
Console.WriteLine(largePlain);
Assert.IsTrue(plain.Equals(largePlain, StringComparison.InvariantCultureIgnoreCase));
}
public void PlayfairTestBonusAnalysis()
{
PlayFair algorithm = new PlayFair();
string plain = algorithm.Analyse(largeCipher);
int count = Enumerable.Range(0, largePlainForAnlysis.Length)
.Count(i => largePlainForAnlysis[i] == plain[i]);
Assert.IsTrue(count * 100 / largePlain.Length > 50);
}
private void PlayFairDecryptClick(object sender, EventArgs e)
{
try
{
if (string.IsNullOrWhiteSpace(textBoxPlayFairkey.Text))
{
MessageBox.Show("Introduceti cheia!", "Eroare", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (string.IsNullOrEmpty(textBoxPlayFairInput.Text))
{
MessageBox.Show("Introduceti mesajul de decriptat!", "Eroare", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
var crypto = new PlayFair(textBoxPlayFairkey.Text);
textBoxPlayFairOutput.Text = crypto.Decrypt(textBoxPlayFairInput.Text);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
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;
}
}
static void Main(string[] args)
{
string filePath = V;
PlayFair _playFair = new PlayFair();
Dictionary _dictionary = new Dictionary();
Stopwatch sw = new Stopwatch();
List <TestFiles> results = new List <TestFiles>();
var csv = new StringBuilder();
_dictionary.CreateDic();
Console.WriteLine("Dictionary with " + _dictionary.Dic.Count);
//string cypherText = "UhtohkmrmitrrbtupclZ";
string cypherText = "EIBZSGTLQPLVOMVTMORFTAOCVCAKETZGTOLTISAKTOQRIQXDHOIOOKPWNWQRIQCLHKZGQAQTQPAKRTKSAKLTKAQISCRESIVYOVOGKHVQASNWTIHOIVISEVTQXNQPZGPWNWNPBVMFREQTOCIWLTICDXFQPOTOIOLTSVPCWVOGPOOMFRERIWTQLTQFARERITRCPQVRDKLCLFETSVTLTVINCPROAKLTKARTNYRYVYOVPNNWXDPQAKTIVQVTZHVWASDKFLVUASITNZKGFLVUASVWASDXREEOYVITICKSECWONWVENCTEIWTOTFVUCRFYYVQAOGAKSRQCOIREOCTOOMKZITMOCTIESVRYTLCONONASIQWQTNSYVVRHGTLIWSVNWTOWVISEVVQCWROSWOPHOVEWOASITNOWIVCPCLCLFETOBRERCOIEIVQVERYTQVTMKAEQAPQVQVRVTWBPCMAWOZGQARXKAALTOBXTOINERPGRVREFRFRZHTORYVRLFKARCSITYFRTCPNASFR1869OVHKUNVCFQIEBICIRERCAFRVZHFUAMUNVWONQTPZQTSVRTNYRVAPVOOPPTKKPNRQAPNQTEPNTETOQIVTKAPQPNNZOCFAADRCTVETQTSVPNIWSVPNFLWHCISIORUNRCWCWITLMATEOWQPAPSUTRHKCSNPSUTRHKCSNTTECRFRFYYVOVNINWATICEVTOQVITPUUVOBOWOTDWDATQFANYAFINAHROVQALERARZHCINVAHUNTIHWCRVEMOVTAFPOZGVOVTVRWIPOZGVOVTTVCWVEMOVTNYFQTANWZHCRNYFQQFQGLAMOCRYHAMITINERCOSVTEICIEETZGRTSBVQINOTKCTROPCKOGXVNPNYRQAPLFAKWVFVKARCTLHOIVIWARANNSYVWIPOLVFAZGTQLTZNQTUNPATQANNQPCALPGMWTEIWKZHKCSNYTROVVZETWTORETFATQVRADINERPBWCQRDKCODRETORERATKFVYKGPNITMOFVKYIQOGRECIVTETNSYVVTHIPOERCPVIZHVOKCRCRYTQVTRENPHGAKQAZGTOCSVRPGWIVYEOYVKYIENOVBVQQTOGXVTONYAFNCETISTWYHIWISZHDARQFLVUTEAQVZCPMONPTRCPADVXRTITNYFQLVAPTROVVZETWTTOITMOHOAMITQTSVERUNTOVZCPMONPVYSZVHMKLTIQVBPACWOPPZNPKMHYZGETCLOVCP";
sw.Start();
Parallel.ForEach(
_dictionary.Dic,
(currentWord) =>
{
string plainText = _playFair.Decipher(cypherText, currentWord);
int numberOfWords = 0;
for (int i = 0; i < _dictionary.Dic.Count; i++)
{
if (plainText.Contains(_dictionary.Dic[i].ToUpper().Trim()))
{
numberOfWords++;
}
}
if (numberOfWords > 0)
{
TestFiles _test = new TestFiles(numberOfWords, currentWord);
var newLine = string.Format("{0} , {1} ", currentWord, numberOfWords);
csv.AppendLine(newLine);
results.Add(_test);
}
}
);
sw.Stop();
File.WriteAllText(filePath, csv.ToString());
if (results.Count == 0)
{
Console.WriteLine("Nao existe palavras chaves que possa quebrar no dicionario");
}
else
{
TestFiles _bestFileGuess = results[0];
for (int i = 0; i < results.Count; i++)
{
if (results[i].NumberOfWords > _bestFileGuess.NumberOfWords)
{
_bestFileGuess = results[i];
}
}
Console.WriteLine("Executou a busca em ={0}", sw.Elapsed);
Console.WriteLine("a palavra que teve melhor desempenho foi :" + _bestFileGuess.Word);
Console.WriteLine("Texto resultante : " + _playFair.Decipher(cypherText, _bestFileGuess.Word));
}
Console.ReadKey(true);
}
