public void TestRobBase64Decryption()
{
var b64 = Base64.Encode("If this text is readable then the test has succeeded!");
var encoded = Xor.Cipher(b64, key);
Assert.AreEqual("If this text is readable then the test has succeeded!", RobBase64.Decode(encoded, key), "No u");
}
public void TestXorDecryption()
{
const string original = "If this text is readable then the test has succeeded!";
var xor = Xor.Cipher(original, key);
var cipher = Xor.Cipher(xor, key);
Console.WriteLine(xor);
Assert.AreEqual(original, cipher);
}
public void TestDecryptGameSave()
{
var path = Path.Combine(GetFolderPath(SpecialFolder.LocalApplicationData), "GeometryDash");
var data = File.ReadAllText(path + Path.DirectorySeparatorChar + "CCLocalLevels.dat");
var xored = Xor.Cipher(data, 11);
var replaced = xored.Replace('-', '+').Replace('_', '/').Replace("\0", string.Empty);
var gzipb64 = GameManager.Decompress(Base64.DecodeToBytes(replaced));
Debug.WriteLine(Encoding.ASCII.GetString(gzipb64));
File.WriteAllBytes(Path.Combine(Directory.GetCurrentDirectory(), "test.xml"), gzipb64);
}
/// <summary>
/// A method to decompress the gamesave file to readable data for GDNET.
/// </summary>
/// <returns>Bytes, or readable data.</returns>
public byte[] Decompress()
{
MemoryStream memory;
byte[] data = Base64.DecodeToBytes(Xor.Cipher(File.ReadAllText(FilePath), 11)
.Replace('-', '+').Replace('_', '/').Replace("\0", string.Empty));
using (GZipStream gZipStream = new GZipStream(new MemoryStream(data), CompressionMode.Decompress))
{
byte[] buffer = new byte[4096];
int count;
using (memory = new MemoryStream())
while ((count = gZipStream.Read(buffer, 0, 4096)) > 0)
{
memory.Write(buffer, 0, count);
}
return(InnerBytes = memory.ToArray());
}
}
public static string Decode(string data, int key) => Base64.Decode(Xor.Cipher(data, key));
