// For Unicode: 1 byte (initial null in writeBytesWireFormat)
        // + potential 1 byte alignment (in writeString) + fileName.length() * 2 + 2 bytes (terminating nulls)
        // Since headerStart is 0 and dstIndex starts at 1 (after initial null), (1-0)%2=1, so alignment byte added
        // Total: 1 + 1 + 12*2 + 2 = 28 bytes
        byte[] dst = new byte[30]; // Use extra buffer space to avoid index errors

    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    byte[] b = new byte[data.length];
    in.readFully(b);
    assertEquals(Bytes.asList(data), Bytes.asList(b));
  }

  public void testReadUnsignedByte_eof() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(new byte[0]));
    assertThrows(EOFException.class, in::readUnsignedByte);
  }

     */
    @Override
    public void getUserSessionKey(final CIFSContext tc, final byte[] chlng, final byte[] dest, final int offset) throws SmbException {
        if (this.hashesExternal) {
            return;
        }
        super.getUserSessionKey(tc, chlng, dest, offset);
    }

        elementVector.add(new DERTaggedObject(0, new ASN1Integer(1))); // authType
        elementVector.add(new DERTaggedObject(1, new DEROctetString(new byte[] { 0x01, 0x02 }))); // authData
        authVector.add(new DERSequence(elementVector));

        byte[] token = new DERSequence(authVector).getEncoded();
        Map<Integer, KerberosKey> keys = new HashMap<>();

        // 2. WHEN

        ASN1ObjectIdentifier mech = new ASN1ObjectIdentifier("1.2.840.113554.1.2.2");
        byte[] tokenArray = new byte[] { 1, 2, 3 };
        byte[] mic = new byte[] { 9, 9, 9 };
        NegTokenTarg original = new NegTokenTarg(NegTokenTarg.ACCEPT_COMPLETED, mech, tokenArray, mic);

        // Act – serialise and parse back
        byte[] bytes = original.toByteArray();
        NegTokenTarg roundTrip = new NegTokenTarg(bytes);

     *
     * @param data the data to compress
     * @param algorithm the compression algorithm to use
     * @return the compressed data
     * @throws CIFSException if compression fails
     */
    byte[] compress(byte[] data, int algorithm) throws CIFSException;

    /**
     * Compresses data using the specified algorithm with offset and length.
     *
     * @param data the data buffer

        @Test
        @DisplayName("Should encode at different buffer positions")
        void testEncodeAtDifferentPositions() {
            int[] hashAlgos = { 1, 2 };
            byte[] salt = new byte[8];
            Arrays.fill(salt, (byte) 0xFF);

            context = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            // Encode at position 100

        bufferIndex += 16;

        // Write version major (1 byte)
        buffer[bufferIndex++] = (byte) versionMajor;

        // Write version minor (1 byte)
        buffer[bufferIndex++] = (byte) versionMinor;

        // Write type (4 bytes)
        SMBUtil.writeInt4(serverType, buffer, bufferIndex);
        bufferIndex += 4;

        // Write comment offset (4 bytes)

        private final byte[] salt;
        private final int hashAlgorithm;
        private volatile byte[] currentHash;
        private volatile boolean isValid;
        private final Object hashLock = new Object();

        public PreauthIntegrityContext(byte[] salt, int hashAlgorithm) {
            this.salt = salt != null ? salt.clone() : new byte[0];
            this.hashAlgorithm = hashAlgorithm;

	})
	errFatal(err)

	// 1: Echo
	errFatal(local.RegisterSingleHandler(handlerTest, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("1: server payload: ", len(payload), "bytes.")
		return append([]byte{}, payload...), nil
	}))
	// 2: Return as error
	errFatal(local.RegisterSingleHandler(handlerTest2, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("2: server payload: ", len(payload), "bytes.")
		err := RemoteErr(payload)