public void CanNormalizeByKeySize()
{
var cryptoText = File.ReadAllText(GetTestFilePath("../../../challenge6.txt"));
var cut = new HexXorCracker();
var result = cut.GetKeySize(cryptoText, Encoding.ASCII);
Assert.Equal(39, result.Count);
}
public void CanHackThatCypherText()
{
var expected = "Cooking MC's like a pound of bacon";
var cypherText = "1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736";
var cut = new HexXorCracker();
var result = cut.Crack(cypherText);
Assert.Equal(expected, result.plainText);
}
public void GetKeySizeOfBytesReturnsCorrectValue()
{
var input = new byte[] { 0x01, 0x22, 0x33, 0x44, 0x99, 0x66 };
var expected1 = new byte[] { 0x01, 0x22, 0x33 };
var expected2 = new byte[] { 0x44, 0x99, 0x66 };
var cut = new HexXorCracker();
var result1 = cut.GetKeysizeOfBytes(input, 3, 0);
var result2 = cut.GetKeysizeOfBytes(input, 3, 3);
Assert.Equal(expected1, result1);
Assert.Equal(expected2, result2);
}