public void SerpentCipherConstructorTest()
{
byte[] key = null; // TODO: Initialize to an appropriate value
CipherMode mode = null; // TODO: Initialize to an appropriate value
CipherPadding padding = null; // TODO: Initialize to an appropriate value
SerpentCipher target = new SerpentCipher(key, mode, padding);
Assert.Inconclusive("TODO: Implement code to verify target");
}
private void bgwDecrypt_DoWork(object sender, DoWorkEventArgs e)
{
serpent = new SerpentCipher {
AlphabetLength = 256
}; // tworzę instancję klasy szyfrującej w drugim wątku programu i inicjalizuję długość alfabetu
serpent.EncryptionProgressChanged += MainWindow_EncryptionProgressChanged; // dodaję własny event handler obsłgująct pasek stanu operacji
var key = (byte[])((object[])e.Argument)[0];
var sourceFile = ((object[])e.Argument)[1].ToString();
var rounds = (int)((object[])e.Argument)[2];
var algMode = (Mode)((object[])e.Argument)[3];
var encrMode = (EncryptionMode)((object[])e.Argument)[4];
var flag = serpent.Decrypt(sourceFile, key, rounds, algMode, encrMode);
e.Result = flag; // przekazuję informację czy deszyfrowanie się powiodło do zdarzenia, które jest wykonywane następnie.
}
private void bgwEncrypt_DoWork(object sender, DoWorkEventArgs e)
{
serpent = new SerpentCipher {
AlphabetLength = 256
};
serpent.EncryptionProgressChanged += MainWindow_EncryptionProgressChanged;
var key = (byte[])((object[])e.Argument)[0];
var sourceFile = ((object[])e.Argument)[1].ToString();
var rounds = (int)((object[])e.Argument)[2];
var algMode = (Mode)((object[])e.Argument)[3];
var encrMode = (EncryptionMode)((object[])e.Argument)[4];
var flag = serpent.Encrypt(sourceFile, key, rounds, algMode, encrMode);
e.Result = flag;
}
public void EncryptBlockTest()
{
byte[] key = null; // TODO: Initialize to an appropriate value
CipherMode mode = null; // TODO: Initialize to an appropriate value
CipherPadding padding = null; // TODO: Initialize to an appropriate value
SerpentCipher target = new SerpentCipher(key, mode, padding); // TODO: Initialize to an appropriate value
byte[] inputBuffer = null; // TODO: Initialize to an appropriate value
int inputOffset = 0; // TODO: Initialize to an appropriate value
int inputCount = 0; // TODO: Initialize to an appropriate value
byte[] outputBuffer = null; // TODO: Initialize to an appropriate value
int outputOffset = 0; // TODO: Initialize to an appropriate value
int expected = 0; // TODO: Initialize to an appropriate value
int actual;
actual = target.EncryptBlock(inputBuffer, inputOffset, inputCount, outputBuffer, outputOffset);
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
private ICryptoTransform CreateCryptoTransform(byte[] rgbKey, byte[] rgbIV, bool encrypt)
{
if (rgbKey == null)
{
rgbKey = this.Key;
}
else if (!ValidKeySize(rgbKey.Length * 8))
{
throw new ArgumentException("Invalid key size");
}
if (rgbIV != null && rgbIV.Length * 8 > BlockSize)
{
throw new ArgumentException("Invalid IV size");
}
SerpentCipher cipher = new SerpentCipher(rgbKey, Helper.ShouldEncrypt(this, encrypt));
return(Helper.CreateCryptoTransform(this, cipher, encrypt, rgbIV));
}
static void Main(string[] args)
{
DESAlgorithm des = new DESAlgorithm();
TripleDES tripleDES = new TripleDES();
SerpentCipher serpent = new SerpentCipher();
AESAlgorithm aes = new AESAlgorithm();
Stopwatch sWatch = new Stopwatch();
for (; ;)
{
Console.WriteLine("Выберите алгоритм шифрования");
Console.WriteLine("1 Алгоритм DES");
Console.WriteLine("2 Алгоритм DES3");
Console.WriteLine("3 Алгоритм AES");
Console.WriteLine("4 Алгоритм Twofish");
Console.WriteLine("5 Алгоритм Serpent");
int choose = Convert.ToInt32(Console.ReadLine());
switch (choose)
{
case 1:
{
s = "";
string key = "Безопасность";
sWatch.Start();
readFile("in.txt");
s = des.StringToRightLength(s);
des.CutStringIntoBlocks(s);
key = des.CorrectKeyWord(key, s.Length / (2 * des.Blocks.Length));
keyEncode = key;
key = des.StringToBinaryFormat(key);
for (int j = 0; j < des.quantityOfRounds; j++)
{
for (int i = 0; i < des.Blocks.Length; i++)
{
des.Blocks[i] = des.EncodeDES_One_Round(des.Blocks[i], key);
}
key = des.KeyToNextRound(key);
}
key = des.KeyToPrevRound(key);
keyDecode = des.StringFromBinaryToNormalFormat(key);
string result = "";
for (int i = 0; i < des.Blocks.Length; i++)
{
result += des.Blocks[i];
}
writeFile("out1.txt", des.StringFromBinaryToNormalFormat(result));
};
{
s = "";
string key = des.StringToBinaryFormat(keyDecode);
readFile("out1.txt");
s = des.StringToBinaryFormat(s);
des.CutBinaryStringIntoBlocks(s);
for (int j = 0; j < des.quantityOfRounds; j++)
{
for (int i = 0; i < des.Blocks.Length; i++)
{
des.Blocks[i] = des.DecodeDES_One_Round(des.Blocks[i], key);
}
key = des.KeyToPrevRound(key);
}
key = des.KeyToNextRound(key);
string results = "";
for (int i = 0; i < des.Blocks.Length; i++)
{
results += des.Blocks[i];
}
writeFile("out2.txt", des.StringFromBinaryToNormalFormat(results));
}
sWatch.Stop();
Console.WriteLine("Время выполнения");
Console.WriteLine(sWatch.ElapsedMilliseconds.ToString() + "мс");
break;
case 2:
sWatch.Start();
tripleDES.Apply3DES();
sWatch.Stop();
Console.WriteLine("Время выполнения");
Console.WriteLine(sWatch.ElapsedMilliseconds.ToString() + "мс");
break;
case 3:
sWatch.Start();
Console.WriteLine("Зашифрованный текст:");
aes.ToAes256();
aes.FromAes256(aes.ToAes256());
sWatch.Stop();
Console.WriteLine("Время выполнения");
Console.WriteLine(sWatch.ElapsedMilliseconds.ToString() + "мс");
break;
case 4:
sWatch.Start();
byte[] mmkey = Encoding.Unicode.GetBytes(keyForTwoFish);
var mtwM = new TwoFish(mmkey);
readFile("in.txt");
decryptedText = Encoding.Unicode.GetBytes(s);
encryptedText = mtwM.Encrypt(decryptedText, 0, decryptedText.Count());
writeFile("out1.txt", Encoding.Unicode.GetString(encryptedText));
Console.WriteLine("Зашифрованный текст");
// Console.WriteLine(Encoding.Unicode.GetString(encryptedText));
s = "";
readFile("out1.txt");
encrypted = Encoding.Unicode.GetBytes(Encoding.Unicode.GetString(encryptedText));
decrypted = mtwM.Decrypt(encryptedText, 0, encryptedText.Count());
Console.WriteLine("Расшифрованный текст");
Console.WriteLine(Encoding.Unicode.GetString(decrypted));
sWatch.Stop();
Console.WriteLine("Время выполнения");
Console.WriteLine(sWatch.ElapsedMilliseconds.ToString() + "мс");
break;
case 5:
sWatch.Start();
s = "";
string keys = "KN@= S]NXGŹHŹNT += ĘźeXvV |$~c";
readFile("in.txt");
serpent.Encrypt("in.txt", Encoding.Unicode.GetBytes(keys), 32, Mode.Standard, EncryptionMode.ECB);
serpent.Decrypt("in.serpent", Encoding.Unicode.GetBytes(keys), 32, Mode.Standard, EncryptionMode.ECB);
sWatch.Stop();
Console.WriteLine("Время выполнения");
Console.WriteLine(sWatch.ElapsedMilliseconds.ToString() + "мс");
break;
default:
Console.WriteLine("Введите корректное число");
break;
}
}
}
