bool xDecrypt(out DJsIO PayLoad)
{
PayLoad = null;
try
{
IO.Position = 0;
byte[] xHeaderKey = IO.ReadBytes(0x10);
xRC4 = new RC4(xComputeRC4Key(xHeaderKey));
byte[] xData = IO.ReadBytes(0x184);
byte[] xPayload;
byte[] xConfounder;
if (!xRC4.KerberosDecrypt(xData, out xConfounder, 8, out xPayload))
{
return(false);
}
bool xsuccess = xComputeHeaderKey(xConfounder, xPayload).HexString() == xHeaderKey.HexString();
if (xsuccess)
{
PayLoad = new DJsIO(xPayload, true);
}
return(xsuccess);
}
catch { return(false); }
}
/// <summary>
/// Runs a Kerberos RC4 encryption on the specified data
/// </summary>
/// <param name="xKey">Key input</param>
/// <param name="xConfounder">outputs the confounder</param>
/// <param name="xPayload">Outputs the payload</param>
/// <param name="xConLen">Confounder Length</param>
/// <param name="xData">Outputs the decrypted data</param>
/// <returns></returns>
public static bool RunKerberosDecrypt(byte[] xKey, byte[] xData, out byte[] xConfounder, int xConLen, out byte[] xPayload)
{
RC4 xrc4 = new RC4(xKey);
return xrc4.KerberosDecrypt(xData, out xConfounder, xConLen, out xPayload);
}