static void Main(string[] args)
{
// Single byte XOR Cipher
var singleXorCipher =
"Yx`7cen7v7ergrvc~yp:|rn7OXE7t~g.re97R9p97~c7d.xb{s7cv|r7v7dce~yp75.r{{x7`xe{s57vys;7p~ary7c.r7|rn7~d75|rn5;7oxe7c.r7q~edc7{rccre75.57`~c.75|5;7c.ry7oxe75r57`~c.75r5;7c.ry75{57`~c.75n5;7vys7c.ry7oxe7yroc7t.ve75{57`~c.75|57vpv~y;7c.ry75x57`~c.75r57vys7dx7xy97Nxb7zvn7bdr7vy7~ysro7xq7tx~yt~srytr;7_vzz~yp7s~dcvytr;7\vd~d|~7rovz~yvc~xy;7dcvc~dc~tv{7crdcd7xe7`.vcrare7zrc.xs7nxb7qrr{7`xb{s7d.x`7c.r7urdc7erdb{c9";
var singleXorCipherBytesArray = StringToBytesConverter.StringToBytesArray(singleXorCipher);
var singleXorBruteForceResults = SingleByteXorAttacker.Attack(singleXorCipherBytesArray);
var decryptedSingleXor = Analyzer.AnalyzeResult(
new List <Dictionary <string, string> > {
singleXorBruteForceResults
},
singleXorCipherBytesArray);
Console.WriteLine(decryptedSingleXor);
// Repeating key XOR Cipher
var repeatingKeyXorCipher =
"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";
var repeatingKeyXorCipherBytesArray = HexToBytesConverter.HexStringToBytesArray(repeatingKeyXorCipher);
var repeatingXorBruteForceResults = RepeatingXorDecoder.Attack(repeatingKeyXorCipherBytesArray);
var decryptedRepeatingXor = Analyzer.AnalyzeResult(
repeatingXorBruteForceResults,
repeatingKeyXorCipherBytesArray);
Console.WriteLine(decryptedRepeatingXor);
}
public void GivenHexString_WithUpperCaseDigits_ConvertsToExpectedByteArray()
{
var hex = new HexString("0CF9");
var expected = new byte[] { 0x0C, 0xF9 };
var hexToBytes = new HexToBytesConverter(hex);
hexToBytes.Bytes.Should().Equal(expected);
}
public static string CompareStrings(string x, string y)
{
var xBytes = HexToBytesConverter.HexStringToBytesArray(x);
var yBytes = HexToBytesConverter.HexStringToBytesArray(y);
var xorData = CompareByteArrays(xBytes, yBytes);
return(HexToBytesConverter.BytesArrayToHexString(xorData));
}
