public byte[] getUserSessionKey(CIFSContext tc, byte[] chlng) {
        byte[] key = new byte[16];
        try {
            getUserSessionKey(tc, chlng, key, 0);
        } catch (Exception ex) {
            log.error("Failed to get session key", ex);
        }
        return key;
    }

    /**
     * Calculates the effective user session key.
     *
     * @param tc
     *            context to use

organization = "Example Inc."

# The organizational unit of the subject.
#unit = "sleeping dept."

# The state of the certificate owner.
state = "Example"

# The country of the subject. Two letter code.
country = "EX"

# The common name of the certificate owner.
cn = "Sally Certowner"

# In how many days, counting from today, this certificate will expire.
expiration_days = 365

# X.509 v3 extensions

        if (propertyType == java.util.Date.class) {
            try {
                return TimestampConversionUtil.toDate(arg);
            } catch (final ParseRuntimeException ex) {
                try {
                    return DateConversionUtil.toDate(arg);
                } catch (final ParseRuntimeException ex2) {
                    return TimeConversionUtil.toDate(arg);
                }

            if (this.realm == null) {
                this.realm = "jCIFS";
            }

            this.transportContext = new BaseContext(new PropertyConfiguration(p));
        } catch (final CIFSException ex) {
            throw new ServletException("Failed to initialize CIFS context");
        }
    }

    @Override
    public void destroy() {
    }

    /**

     */
    protected static java.sql.Date toSqlDateJdbcEscape(final String str) {
        try {
            return java.sql.Date.valueOf(str);
        } catch (final IllegalArgumentException ex) {
            return null;
        }
    }

    /**
     * Converts a pattern string to a plain pattern string without delimiters.
     *
     * @param pattern the pattern string

	Prefix  string    `msg:"pr,omitempty"` // Prefix as given by request.
	File    string    `msg:"fl"`           // File name as given in request.
	Exists  bool      `msg:"ex"`           // Returns whether the file existed on disk.
	Error   string    `msg:"er,omitempty"` // Returns any error when reading.
	Data    []byte    `msg:"d"`            // Contains all data of file.

     * @return The converted {@link Time}.
     */
    protected static Time toSqlTimeJdbcEscape(final String str) {
        try {
            return Time.valueOf(str);
        } catch (final IllegalArgumentException ex) {
            return null;
        }
    }

    /**
     * Converts a pattern string to a plain pattern string without delimiters.
     *
     * @param pattern
     *            The pattern string.

     */
    protected static Timestamp toSqlTimestampJdbcEscape(final String str) {
        try {
            return Timestamp.valueOf(str);
        } catch (final IllegalArgumentException ex) {
            return null;
        }
    }

    /**
     * Converts the pattern string to a plain pattern string without delimiters.
     *
     * @param pattern
     *            The pattern string.

      if (end == -1) {
        end = ipString.length();
      }
      try {
        bytes[i] = parseOctet(ipString, start, end);
      } catch (NumberFormatException ex) {
        return null;
      }
      start = end + 1;
    }

    return bytes;
  }

  private static byte @Nullable [] textToNumericFormatV6(String ipString) {

        AllocInfo ai;
        try {
            ai = queryFSInformation(th, AllocInfo.class, FileSystemInformation.FS_SIZE_INFO);
        } catch (final SmbException ex) {
            log.debug("getDiskFreeSpace", ex);
            switch (ex.getNtStatus()) {
            case NtStatus.NT_STATUS_INVALID_INFO_CLASS:
            case NtStatus.NT_STATUS_UNSUCCESSFUL: // NetApp Filer
                if (!th.isSMB2()) {