private SID[] extraSids;
    private int userAccountControl;
    private int userFlags;


    public PacLogonInfo ( byte[] data ) throws PACDecodingException {
        try {
            PacDataInputStream pacStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));

            // Skip firsts
            pacStream.skipBytes(20);

            // Dates
            this.logonTime = pacStream.readFiletime();