}

/**
 * Reads up to b.length bytes of data from this input stream into an array of bytes.
 *
 * @throws IOException if a network error occurs
 */

    public int read( byte[] b ) throws IOException {
        return read( b, 0, b.length );
    }

/**
 * Reads up to len bytes of data from this input stream into an array of bytes.
 *
 * @throws IOException if a network error occurs
 */

    }


    /**
     * Reads up to b.length bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public int read ( byte[] b ) throws IOException {
        return read(b, 0, b.length);
    }


    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *

     * 
     * @param b
     *            buffer
     * @param off
     *            offset into buffer
     * @param len
     *            read up to <tt>len</tt> bytes
     * @return number of bytes read
     * @throws SmbException
     */
    int read ( byte[] b, int off, int len ) throws SmbException;


    /**
     * Current position in file
     * 
     * @return current position
     */

    private byte[] challenge;
    private String target;
    private byte[] context;
    private byte[] targetInformation;

    private static final Map<String, byte[]> TARGET_INFO_CACHE = new HashMap<>();


    private static byte[] getDefaultTargetInfo ( CIFSContext tc ) {
        String domain = tc.getConfig().getDefaultDomain();
        byte[] ti = TARGET_INFO_CACHE.get(domain);

                byte[] userSessionKey = hmac.digest();

                if ((getFlags() & NTLMSSP_NEGOTIATE_KEY_EXCH) != 0) {
                    masterKey = new byte[16];
                    RANDOM.nextBytes(masterKey);

                    byte[] exchangedKey = new byte[16];
                    RC4 rc4 = new RC4(userSessionKey);
                    rc4.update(masterKey, 0, 16, exchangedKey, 0);

    };


    /*
     * Accepts key multiple of 7
     * Returns enc multiple of 8
     * Multiple is the same like: 21 byte key gives 24 byte result
     */
    static void E ( byte[] key, byte[] data, byte[] e ) throws ShortBufferException {
        byte[] key7 = new byte[7];
        byte[] e8 = new byte[8];

        for ( int i = 0; i < key.length / 7; i++ ) {

                // + 8 byte query response overhead
                // + 110 bytes entry
                // -> 1022 predicted message size <= 1023 maximum buffer size
                // 112 bytes to alignment
                // -> aligned to 1024 > 1023 maximum buffer size

                // 110 byte entry = 16 byte name = 8 char length
                try ( SmbResource r = f.resolve(repeat('Y', 8)) ) {
                    r.createNewFile();

            throw new IORuntimeException(e);
        }
    }

    public static void writeBytes(final String pathname, final byte[] bytes) {
        try (FileOutputStream fos = OutputStreamUtil.create(new File(pathname))) {
            ChannelUtil.write(fos.getChannel(), ByteBuffer.wrap(bytes));
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

     */
    boolean verify(byte[] data, int offset, ServerMessageBlock response) {
        update(macSigningKey, 0, macSigningKey.length);
        int index = offset;
        update(data, index, ServerMessageBlock.SIGNATURE_OFFSET); 
        index += ServerMessageBlock.SIGNATURE_OFFSET;
        byte[] sequence = new byte[8]; 
        ServerMessageBlock.writeInt4(response.signSeq, sequence, 0); 

        } else if (size.divide(ONE_KB_BI).compareTo(BigInteger.ZERO) > 0) {
            displaySize = new BigDecimal(size).divide(BigDecimal.valueOf(1000)) + "KB";
        } else {
            displaySize = size + "bytes";
        }
        return displaySize;
    }

    public static long getUsedMemory() {
        final Runtime runtime = Runtime.getRuntime();
        final long freeBytes = runtime.freeMemory();