byte[] h = new byte[4];
        h[0] = (byte) SessionServicePacket.SESSION_MESSAGE;
        h[1] = (byte) ((length >> 16) & 0x01);
        h[2] = (byte) ((length >> 8) & 0xFF);
        h[3] = (byte) (length & 0xFF);
        return h;
    }

    /**
     * Creates a NetBIOS keep-alive header.
     * Keep-alive packets have type 0x85 and zero length.
     */
    private static byte[] keepAliveHeader() {

	SUBS	$0xff, R6, RSP                                   // ERROR "illegal destination register"
	SUBS	$0xffff0, R6, RSP                                // ERROR "illegal destination register"
	SUBS	$0x1000100010001000, R6, RSP                     // ERROR "illegal destination register"
	SUBS	$0x10001000100011, R6, RSP                       // ERROR "illegal destination register"

	MOVW	$0xff, R9            // MOVW $255, R9             // ff90a0e3
	MOVW	$0xff000000, R9      // MOVW $4278190080, R9      // ff94a0e3
	MOVW	$0xff(R0), R1        // MOVW $255(R0), R1         // ff1080e2
	MOVW.S	$0xff(R0), R1        // MOVW.S $255(R0), R1       // ff1090e2
	MOVW	$-0xff(R0), R1       // MOVW $-255(R0), R1        // ff1040e2
	MOVW.S	$-0xff(R0), R1       // MOVW.S $-255(R0), R1      // ff1050e2

        bufferIndex += 4;
        this.eaSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        final int shortNameLength = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;

        this.shortName = Strings.fromUNIBytes(buffer, bufferIndex, shortNameLength);
        bufferIndex += 24;

        String str;
        if (this.unicode) {

        final char[] arr = new char[length];
        int ai = arr.length;
        while (ai-- > 0) {
            arr[ai] = HEXCHARS[value & 0xF];
            value >>>= 4;
        }
        return new String(arr);
    }

    private static byte B(final int i) {
        return (byte) (i & 0xFF);
    }

    private static short S(final int i) {
        return (short) (i & 0xFFFF);
    }

    /**

  int charCount;

  @Param({"MURMUR3_32", "MURMUR3_128", "SHA1"})
  HashFunctionEnum hashFunctionEnum;

  private String[] strings;

  static final int SAMPLES = 0x100;
  static final int SAMPLE_MASK = 0xFF;

  /**
   * Compute arrays of valid unicode text, and store it in 3 forms: byte arrays, Strings, and
   * StringBuilders (in a CharSequence[] to make it a little harder for the JVM).
   */
  @BeforeExperiment

                    break;
                case 1:
                    final ASN1BitString ctxFlags = ASN1BitString.getInstance(tagged, true);
                    setContextFlags(ctxFlags.getBytes()[0] & 0xff);
                    break;
                case 2:
                    final ASN1OctetString mechanismToken = ASN1OctetString.getInstance(tagged, true);
                    setMechanismToken(mechanismToken.getOctets());

    void testWriteULongNegative() {
        byte[] dest = new byte[4];
        NtlmMessage.writeULong(dest, 0, -1);
        assertArrayEquals(new byte[] { -1, -1, -1, -1 }, dest, "All bytes should be 0xFF for -1");
    }

    @Test
    @DisplayName("writeUShort writes little endian bytes")
    void testWriteUShort() {
        byte[] dest = new byte[2];
        NtlmMessage.writeUShort(dest, 0, 0xBBAA);

            }
        }
    }

    @Override
    public int read() throws SmbException {
        if (read(this.tmp, 0, 1) == -1) {
            return -1;
        }
        return this.tmp[0] & 0xFF;
    }

    @Override
    public int read(final byte b[]) throws SmbException {
        return read(b, 0, b.length);
    }

    @Override

        void testSignZeroesSignatureField() {
            // Fill signature field with non-zero values
            for (int i = 0; i < SIGNATURE_LENGTH; i++) {
                data[SIGNATURE_OFFSET + i] = (byte) 0xFF;
            }

            digest.sign(data, 0, data.length, request, response);

            // Verify signature field contains actual signature (not all zeros)