} else {
            m = Mac.getInstance(this.algorithmName);
        }
        m.init(new SecretKeySpec(this.signingKey, "HMAC"));
        return m;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SMBSigningDigest#sign(byte[], int, int, jcifs.internal.CommonServerMessageBlock,
     *      jcifs.internal.CommonServerMessageBlock)
     */
    @Override

     */
    public DfsReferralRequestBuffer(final String filename, final int maxReferralLevel) {
        this.path = filename;
        this.maxReferralLevel = maxReferralLevel;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override
    public int size() {
        return 4 + 2 * this.path.length();
    }

    @Override

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#getResponse()
     */
    @Override
    public final SmbComNTCreateAndXResponse getResponse() {
        return (SmbComNTCreateAndXResponse) super.getResponse();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.Request#initResponse(jcifs.CIFSContext)

  /** Used during deserialization only. The backing map must be empty. */
  void setBackingMap(Map<E, Count> backingMap) {
    this.backingMap = backingMap;
  }

  // Required Implementations

  /**
   * {@inheritDoc}
   *
   * <p>Invoking {@link Multiset.Entry#getCount} on an entry in the returned set always returns the
   * current count of that element in the multiset, as opposed to the count at the time the entry
   * was retrieved.

    /**
     * Gets the active configuration for this tree handle
     * @return the active configuration
     */
    Configuration getConfig();

    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close() throws CIFSException;

    /**
     * Checks whether the tree is currently connected

    /**
     * Gets the negotiated SMB dialect
     *
     * @return the SMB dialect negotiated with the server
     */
    public int getDialect() {
        return this.dialect;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {

            this.referrals[ri] = new Referral();
            bufferIndex += this.referrals[ri].decode(buffer, bufferIndex, len);
        }

        return bufferIndex - start;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {

        this.totalDataCount = 0;
        this.maxParameterCount = 0;
        this.maxDataCount = 4096;
        this.maxSetupCount = (byte) 0x00;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#isForceUnicode()
     */
    @Override
    public boolean isForceUnicode() {
        return true;
    }

    @Override

    /**
     * Gets the resume key for server-side copy operations
     * @return the resumeKey
     */
    public byte[] getResumeKey() {
        return this.resumeKey;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {

    return create(array);
  }

  protected abstract Set<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /**
   * {@inheritDoc}
   *
   * <p>By default, returns the supplied elements in their given order; however, generators for
   * containers with a known order other than insertion order must override this method.
   *