throw new SmbException("Already closed");
        }

        if ( this.output != null ) {
            return this.output;
        }

        try ( SmbTreeHandleImpl th = ensureTreeConnected() ) {
            this.output = new SmbPipeOutputStream(this, th);
        }
        return this.output;
    }


    /**
     * 
     * {@inheritDoc}
     *

                connection.connect(); // send type 3
                if (cachedOutput != null && doOutput) {
                    OutputStream output = connection.getOutputStream();
                    cachedOutput.writeTo(output);
                    output.flush();
                }
                response = parseResponseCode();
                if (response != HTTP_UNAUTHORIZED &&

        }
    }

/**
 * Closes this output stream and releases any system resources associated
 * with it.
 *
 * @throws IOException if a network error occurs
 */

    public void close() throws IOException {
        file.close();
        tmp = null;
    }

/**
 * Writes the specified byte to this file output stream.
 *
 * @throws IOException if a network error occurs
 */

            (byte) 0x99
        };

        byte[] output = new byte[12];
        byte[] dk = deriveKeyAES(baseKey, cst); // Checksum key
        try {
            Mac m = Mac.getInstance("HmacSHA1");
            m.init(new SecretKeySpec(dk, HMAC_KEY));
            System.arraycopy(m.doFinal(input), 0, output, 0, 12);
            return output;
        }
        finally {

     * 
     * @throws CIFSException
     */
    public void open () throws CIFSException {
        try ( SmbFileHandleImpl fh = ensureOpen() ) {}
    }


    /**
     * Closes this output stream and releases any system resources associated
     * with it.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override

        System.arraycopy(result, 0, decrypt, 0, result.length);

        int tempSize = decrypt.length - 24;

        byte[] output = new byte[tempSize];
        System.arraycopy(decrypt, 24, output, 0, tempSize);

        decrypt = output;
        return decrypt;
    }


    private static byte[] getHmac ( byte[] data, byte[] key ) throws GeneralSecurityException {

    /**
     * 
     * @return this pipe's input stream
     * @throws CIFSException
     */
    InputStream getInput () throws CIFSException;


    /**
     * 
     * @return this pipe's output stream
     * @throws CIFSException
     */
    OutputStream getOutput () throws CIFSException;


    /**
     * {@inheritDoc}
     * 
     * @throws CIFSException
     *

 * also be resolved to yield the name of the associated Windows account
 * such as <tt>Administrators</tt> or <tt>MYDOM\alice</tt>.
 * <p>
 * Consider the following output of <tt>examples/SidLookup.java</tt>:
 * 
 * <pre>
 *        toString: S-1-5-21-4133388617-793952518-2001621813-512
 * toDisplayString: WNET\Domain Admins
 *         getType: 2
 *     getTypeText: Domain group

                f.delete();
            }
        }
    }


    @Test
    // BUG #15
    // this cannot be reproduced against samba, samba always subtracts
    // 8 bytes from the output buffer length, probably to mitigate
    // against this issue
    public void testEnumBufferSize () throws IOException {
        CIFSContext ctx = getContext();

 * also be resolved to yield the name of the associated Windows account
 * such as <tt>Administrators</tt> or <tt>MYDOM\alice</tt>.
 * <p>
 * Consider the following output of <tt>examples/SidLookup.java</tt>:
 * 
 * <pre>
 *        toString: S-1-5-21-4133388617-793952518-2001621813-512
 * toDisplayString: WNET\Domain Admins
 *         getType: 2
 *     getTypeText: Domain group