static final int AF_INTERNET = 2;
    static final int AF_CHANET = 5;
    static final int AF_XNS = 6;
    static final int AF_ISO = 7;

    static final int AUTH_DATA_RELEVANT = 1;
    static final int AUTH_DATA_PAC = 128;

    static final int DES_ENC_TYPE = 3;
    static final int RC4_ENC_TYPE = 23;
    static final String RC4_ALGORITHM = "ARCFOUR";
    static final String HMAC_ALGORITHM = "HmacMD5";

                    }
                    ip = ( ip << 8 ) + b;
                }
                while( i < data.length && Character.isWhitespace( data[i] )) {
                    i++;
                }
                j = i;
                while( j < data.length && Character.isWhitespace( data[j] ) == false ) {
                    j++;
                }

    private int type;
    private byte[] checksum;


    public PacSignature ( byte[] data ) throws PACDecodingException {
        try {
            PacDataInputStream bufferStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));
            this.type = bufferStream.readInt();
            switch ( this.type ) {
            case KERB_CHECKSUM_HMAC_MD5:

    public static final int ERROR_BAD_PIPE = 230;
    public static final int ERROR_PIPE_BUSY = 231;
    public static final int ERROR_NO_DATA = 232;
    public static final int ERROR_PIPE_NOT_CONNECTED = 233;
    public static final int ERROR_MORE_DATA = 234;
    public static final int ERROR_NO_BROWSER_SERVERS_FOUND = 6118;

    static final int[] WINERR_CODES = {
        ERROR_SUCCESS,
        ERROR_ACCESS_DENIED,

     */
    boolean supportsIntegrity ();


    /**
     * @param data
     * @return MIC
     * @throws CIFSException
     */
    byte[] calculateMIC ( byte[] data ) throws CIFSException;


    /**
     * @param data
     * @param mic
     * @throws CIFSException
     */
    void verifyMIC ( byte[] data, byte[] mic ) throws CIFSException;


    /**

    /**
     * 
     * @param config
     * @param fid
     * @param data
     * @param off
     * @param len
     */
    public TransTransactNamedPipe ( Configuration config, int fid, byte[] data, int off, int len ) {
        super(config, SMB_COM_TRANSACTION, TRANS_TRANSACT_NAMED_PIPE);
        this.pipeFid = fid;
        this.pipeData = data;
        this.pipeDataOff = off;
        this.pipeDataLen = len;

        this(encode(ts));
    }


    /**
     * @param ts
     * @return
     */
    private static byte[] encode ( long ts ) {
        byte[] data = new byte[8];
        SMBUtil.writeInt8(ts, data, 0);
        return data;
    }


    /**
     * @return the timestamp
     */
    public long getTimestamp () {
        return SMBUtil.readInt8(getRaw(), 0);
    }

        if( Character.isDigit( hostname.charAt( 0 ))) {
            int i, len, dots;
            char[] data;

            i = dots = 0;                    /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while( i < len && Character.isDigit( data[i++] )) {
                if( i == len && dots == 3 ) {
                    // probably an IP address

            c[ j++ ] = HEX_DIGITS[ src[ srcIndex + i ] & 0x0F ];
        }
        return new String(c);
    }


    /**
     * @param data
     * @return hex string
     */
    public static String toHexString ( byte[] data ) {
        return toHexString(data, 0, data.length);
    }


    /**
     * This is the same as {@link jcifs.util.Hexdump#toHexString(int val, int

    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