private static final byte[] SIGNCONTEXT_300 = toCBytes("SmbSign");
    private static final byte[] SIGNLABEL_300 = toCBytes("SMB2AESCMAC");
    private static final byte[] SIGNLABEL_311 = toCBytes("SMBSigningKey");

    private static final byte[] APPCONTEXT_300 = toCBytes("SmbRpc");
    private static final byte[] APPLABEL_300 = toCBytes("SMB2APP");
    private static final byte[] APPLABEL_311 = toCBytes("SMBAppKey");

        assertNotEquals(guid1, guid2);
        assertEquals(16, guid1.toBytes().length);
        assertEquals(16, guid2.toBytes().length);
    }

    @Test
    public void testHandleGuidRoundTrip() {
        HandleGuid original = new HandleGuid();
        byte[] bytes = original.toBytes();
        HandleGuid reconstructed = new HandleGuid(bytes);

        assertEquals(original, reconstructed);

        byteArrayOf(192.toByte(), 168.toByte(), 0, 1),
      ),
    ).isEqualTo("192.168.0.1")

    assertThat(
      inet4AddressToAscii(
        byteArrayOf(252.toByte(), 253.toByte(), 254.toByte(), 255.toByte()),
      ),
    ).isEqualTo("252.253.254.255")

    assertThat(
      inet4AddressToAscii(
        byteArrayOf(255.toByte(), 255.toByte(), 255.toByte(), 255.toByte()),
      ),

        final byte[] twoBytes = new byte[] { 'A', 'B' };
        final String encoded = Base64Util.encode(twoBytes);
        assertNotNull("Encoded result should not be null", encoded);
        final byte[] decoded = Base64Util.decode(encoded);
        assertEquals("Decoded should have same length", 2, decoded.length);
        assertEquals("First byte should match", twoBytes[0], decoded[0]);

     */
    public static Byte toByte(final Object o) {
        return toByte(o, null);
    }

    /**
     * Converts to {@link Byte}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link Byte}
     */
    public static Byte toByte(final Object o, final String pattern) {
        if (o == null) {

private fun Buffer.skipCommasAndWhitespace(): Boolean {
  var commaFound = false
  loop@ while (!exhausted()) {
    when (this[0]) {
      ','.code.toByte() -> {
        // Consume ','.
        readByte()
        commaFound = true
      }

      ' '.code.toByte(), '\t'.code.toByte() -> {
        readByte()
        // Consume space or tab.
      }

      else -> break@loop
    }
  }
  return commaFound

    val utf8 = Buffer().writeUtf8(s)
    val v1 = utf8.readDecimalLong()
    require(utf8.readByte() == '.'.code.toByte())
    val v2 = utf8.readDecimalLong()
    writeVariableLengthLong(v1 * 40 + v2)

    while (!utf8.exhausted()) {
      require(utf8.readByte() == '.'.code.toByte())
      val vN = utf8.readDecimalLong()
      writeVariableLengthLong(vN)
    }
  }

        // array.
        while (mid > -1 && this[mid] != '\n'.code.toByte()) {
          mid--
        }
        mid++

        // Now look for the ending '\n'.
        var end = 1
        while (this[mid + end] != '\n'.code.toByte()) {
          end++
        }
        val publicSuffixLength = mid + end - mid

        dstIndex += 4;

        SMBUtil.writeInt8(0, dst, dstIndex); // Reserved (8 bytes)
        dstIndex += 8;

        System.arraycopy(createGuid.toBytes(), 0, dst, dstIndex, 16); // CreateGuid (16 bytes)
        dstIndex += 16;

        return dstIndex - start;
    }

    }

    /**
     * Convert the GUID to byte array for wire format (little-endian as per MS-SMB2)
     * @return 16-byte array representing the GUID in SMB wire format
     */
    public byte[] toBytes() {
        byte[] result = new byte[16];
        ByteBuffer bb = ByteBuffer.wrap(result).order(java.nio.ByteOrder.LITTLE_ENDIAN);

        long mostSig = guid.getMostSignificantBits();