public void CribDragTest(string word)
{
var a = CConverter.ToBytes("Hello World");
var b = CConverter.ToBytes("the program");
var xor = CConverter.XOR(a, b);
cracker.CribDrag(xor, word);
}
public void HelloWorldXORTest()
{
var a = CConverter.ToBytes("Hello World");
var b = CConverter.ToBytes("the program");
var xor = CConverter.XOR(a, b);
var str = CConverter.ToHexString(xor);
Console.WriteLine(str);
str = CConverter.ToHexString("the");
Console.WriteLine(str);
str = CConverter.ToASCIIString(CConverter.XOR(xor, CConverter.ToBytes(str)));
Console.WriteLine(str);
}
public static Dictionary <(byte[], byte[]), byte[]> BuildDictionary(List <byte[]> ctByteList)
{
var arr = ctByteList;
var dict = new Dictionary <(byte[], byte[]), byte[]>();
for (var i = 0; i < ctByteList.Count - 1; i++)
{
for (var j = i + 1; j < ctByteList.Count; j++)
{
var xor = CConverter.XOR(arr[i], arr[j]);
dict.Add((arr[i], arr[j]), xor);
}
}
return(dict);
}
public void CribDrag(byte[] xored, string word)
{
var byteWord = CConverter.ToBytes(word);
byte[] cribXOR;
string line, cribWord;
Match match;
for (var i = 0; i <= xored.Length - byteWord.Length; i++)
{
cribXOR = CConverter.XOR(xored, byteWord, i);
line = CConverter.ToASCIIString(cribXOR);
cribWord = line.Substring(i, word.Length);
match = Regex.Match(cribWord);
if (match.Success)
{
Console.WriteLine("result[{0}]: {1}", i, cribWord);
}
//else Console.Error.WriteLine("result[{0}]: {1}", i, cribWord);
}
}
