buffer[bufferIndex++] = 0;
        // maxBufferSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x40;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // maxRawSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x10;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // sessionKey

        // Should match with same values
        assertTrue(fileInfo.matches(1024L, 1000L, 0x20));

        // Should not match with different size
        assertFalse(fileInfo.matches(2048L, 1000L, 0x20));

        // Should not match with different last modified
        assertFalse(fileInfo.matches(1024L, 2000L, 0x20));

        }

        return clearText;
    }

    // Tables, permutations, S-boxes, etc.

    private static byte[] bytebit =
            { (byte) 0x80, (byte) 0x40, (byte) 0x20, (byte) 0x10, (byte) 0x08, (byte) 0x04, (byte) 0x02, (byte) 0x01 };
    private static int[] bigbyte = { 0x800000, 0x400000, 0x200000, 0x100000, 0x080000, 0x040000, 0x020000, 0x010000, 0x008000, 0x004000,

            // Skip idFileSystem (4 bytes)
            buffer[4] = 0x08; // sectPerAlloc = 8
            buffer[8] = 0x00;
            buffer[9] = 0x10; // alloc = 4096
            buffer[12] = 0x00;
            buffer[13] = 0x08; // free = 2048
            buffer[16] = 0x00;
            buffer[17] = 0x02; // bytesPerSect = 512

            int bytesDecoded = smbInfoAllocation.decode(buffer, 0, buffer.length);

        assertEquals(0x8, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_SIZE);
        assertEquals(0x10, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_LAST_WRITE);
        assertEquals(0x20, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_LAST_ACCESS);
        assertEquals(0x40, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_CREATION);
        assertEquals(0x80, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_EA);

        // Put data at offset 0x20
        SMBUtil.writeInt2(0, ctx, ci); // Reserved
        SMBUtil.writeInt2(0x20, ctx, ci + 2); // DataOffset
        ci += 4;
        SMBUtil.writeInt4(8, ctx, ci); // DataLength
        ci += 4;
        // Name bytes at 0x10
        byte[] name = new byte[] { 'T', 'E', 'S', 'T' };
        System.arraycopy(name, 0, ctx, 0x10, name.length);
        // Data bytes at 0x20

        buffer[0] = 0x03;
        buffer[1] = 0x00;
        // isEndOfSearch (2 bytes)
        buffer[2] = 0x00; // end of search = false
        buffer[3] = 0x00;
        // eaErrorOffset (2 bytes)
        buffer[4] = 0x00;
        buffer[5] = 0x00;
        // lastNameOffset (2 bytes)
        buffer[6] = 0x08;
        buffer[7] = 0x00;

  const val TYPE_DATA = 0x0
  const val TYPE_HEADERS = 0x1
  const val TYPE_PRIORITY = 0x2
  const val TYPE_RST_STREAM = 0x3
  const val TYPE_SETTINGS = 0x4
  const val TYPE_PUSH_PROMISE = 0x5
  const val TYPE_PING = 0x6
  const val TYPE_GOAWAY = 0x7
  const val TYPE_WINDOW_UPDATE = 0x8
  const val TYPE_CONTINUATION = 0x9

  const val FLAG_NONE = 0x0
  const val FLAG_ACK = 0x1 // Used for settings and ping.

 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

            dstIndex++;
            dst[dstIndex++] = (byte) 0x00; // Reserved1
            SMBUtil.writeInt2(this.tflags, dst, dstIndex);
            dstIndex += 2;
            SMBUtil.writeInt4(this.timeout, dst, dstIndex);
            dstIndex += 4;
            dst[dstIndex++] = (byte) 0x00; // Reserved2
            dst[dstIndex++] = (byte) 0x00;
        }
        SMBUtil.writeInt2(this.parameterCount, dst, dstIndex);