/// <summary>
/// Runs an RC4 encryption with a specified key
/// </summary>
/// <param name="xKey"></param>
/// <param name="xConfounder"></param>
/// <param name="xPayload"></param>
/// <returns></returns>
public static byte[] RunKerberosEncrypt(byte[] xKey, ref byte[] xConfounder, ref byte[] xPayload)
{
RC4 xrc4 = new RC4(xKey);
return(xrc4.KerberosEncrypt(ref xConfounder, ref xPayload));
}
/// <summary>
/// Runs an RC4 on the specified data using the specified key
/// </summary>
/// <param name="xKey"></param>
/// <param name="xData"></param>
/// <returns></returns>
public static byte[] RunAlgorithm(byte[] xKey, byte[] xData)
{
RC4 xrc4 = new RC4(xKey);
return(xrc4.RunAlgorithm(xData));
}
/// <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));
}
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; }
}
