public void DecryptTest()
{
Xor xor = new Xor(0xab);
Assert.AreEqual <byte>(xor.Decrypt(new byte[] { 0x11, 0x71, 0x54 })[0], 0xba);
Assert.AreEqual <byte>(xor.Decrypt(new byte[] { 0x11, 0x71, 0x54 })[1], 0xda);
Assert.AreEqual <byte>(xor.Decrypt(new byte[] { 0x11, 0x71, 0x54 })[2], 0xff);
}
static void Main(string[] args)
{
const char a = ((char) 'a');
const int z = a + 26;
var xor = new Xor();
const string statement = "5\nA\b\bA\0\rA\f";
var cipherTxt = string.Concat(File
.ReadAllText(@"C:\dev\Kata\Euler\EulerProblem59.App\cipher1.txt")
.Split(new[] {","}, StringSplitOptions.None)
.Select(x => Convert.ToString((char)Convert.ToInt32(x))));
var matchFound = false;
for (var i = a; i < z; i++)
{
for (var j = a; j < z; j++)
{
for (var k = a; k < z; k++)
{
var result = xor.Decrypt(cipherTxt, new[] { i, j, k });
if (!result.ToLower().Contains("there")) continue;
var sum = result.ToCharArray().Sum(x => (int) x);
Console.WriteLine("The key is: {0}{1}{2}", i, j, k);
Console.WriteLine("The sum of the ascii values are: {0}", sum);
Console.WriteLine("The text is as follows:\r\n\r\n{0}\r\n\r\n", result);
matchFound = true;
break;
}
}
}
Console.WriteLine(matchFound ? "Finished." : "No match found.");
Console.ReadKey();
}
public void Unigraph_XorTest()
{
Xor xor = new Xor(Utility.EnglishAlphabet());// KeyedEnglishAlphabet("KRYPTOS"));
cipher = "";
clear = "";
generated = "";
for (int i = 0; i < 25; i++)
{
xor.Key = xor.GenerateRandomString(11);
generated = xor.GenerateRandomString();
cipher = xor.Encrypt(generated);
clear = xor.Decrypt(cipher);
Assert.AreEqual(generated, clear);
}
}
