try {
            PacDataInputStream bufferStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));
            this.type = bufferStream.readInt();
            switch ( this.type ) {
            case KERB_CHECKSUM_HMAC_MD5:
                this.checksum = new byte[16];
                break;
            case HMAC_SHA1_96_AES128:

        if((read( tmp, 0, 2 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return (char)Encdec.dec_uint16be( tmp, 0 );
    }
    public final int readInt() throws SmbException {
        if((read( tmp, 0, 4 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return Encdec.dec_uint32be( tmp, 0 );
    }

            SID groupId = pacStream.readId();

            // Groups information
            int groupCount = pacStream.readInt();
            int groupPointer = pacStream.readInt();

            // User flags about PAC Logon Info content
            this.userFlags = pacStream.readInt();
            boolean hasExtraSids = ( this.userFlags & PacConstants.LOGON_EXTRA_SIDS ) == PacConstants.LOGON_EXTRA_SIDS;

    }


    public short readShort () throws IOException {
        align(2);
        return Short.reverseBytes(this.dis.readShort());
    }


    public int readInt () throws IOException {
        align(4);
        return Integer.reverseBytes(this.dis.readInt());
    }


    public long readLong () throws IOException {
        align(8);
        return Long.reverseBytes(this.dis.readLong());
    }

            int bufferCount = pacStream.readInt();
            int version = pacStream.readInt();

            if ( version != PacConstants.PAC_VERSION ) {
                throw new PACDecodingException("Unrecognized PAC version " + version);
            }

            for ( int bufferIndex = 0; bufferIndex < bufferCount; bufferIndex++ ) {
                int bufferType = pacStream.readInt();

        int start = bufferIndex;

        fid = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        fileAttributes = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        lastWriteTime = readUTime( buffer, bufferIndex );
        bufferIndex += 4;
        dataSize = readInt4( buffer, bufferIndex );
        bufferIndex += 4;
        grantedAccess = readInt2( buffer, bufferIndex );
        bufferIndex += 2;

        if ( this.largeFile ) {
            this.pid = SMBUtil.readInt2(buffer, bufferIndex);
            int boHigh = SMBUtil.readInt4(buffer, bufferIndex + 4);
            int boLow = SMBUtil.readInt4(buffer, bufferIndex + 8);

            this.byteOffset = ( boHigh << 32 ) | boLow;

            int lHigh = SMBUtil.readInt4(buffer, bufferIndex + 12);
            int lLow = SMBUtil.readInt4(buffer, bufferIndex + 16);

    }

    int decode( byte[] buf, int bi ) {
        allow = buf[bi++] == (byte)0x00;
        flags = buf[bi++] & 0xFF;
        int size = ServerMessageBlock.readInt2(buf, bi);
        bi += 2;
        access = ServerMessageBlock.readInt4(buf, bi);
        bi += 4;
        sid = new SID(buf, bi);
        return size;
    }

    void appendCol(StringBuffer sb, String str, int width) {

    @Override
    public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
        final int num = in.readInt();
        mapTable = new Entry[num];
        listTable = new Entry[num];
        threshold = (int) (num * LOAD_FACTOR);
        final int size = in.readInt();
        for (int i = 0; i < size; i++) {
            final K key = (K) in.readObject();
            final V value = (V) in.readObject();

    /*
     * We overload this because we want readAndXWireFormat to
     * read the parameter words and bytes. This is so when
     * commands are batched together we can recursivly call
     * readAndXWireFormat without reading the non-existent header.
     */

    @Override
    public int decode ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
        int start = this.headerStart = bufferIndex;