// Act
        byte[] expected = NtlmUtil.computeResponse(key, server, client, 0, client.length);
        byte[] actual = NtlmUtil.getLMv2Response(key, server, client);

        // Assert
        assertArrayEquals(expected, actual);
    }

    @Test
    @DisplayName("getLMv2Response(String,...): 24-byte response embeds client challenge")
    void testGetLMv2Response_strings_embedsClientChallenge() throws GeneralSecurityException {

     * @throws GeneralSecurityException if a cryptographic error occurs
     */
    public static byte[] getLMv2Response(final String domain, final String user, final String password, final byte[] challenge,
            final byte[] clientChallenge) throws GeneralSecurityException {
        return getLMv2Response(domain, user, getNTHash(password), challenge, clientChallenge);
    }

    /**

        assertEquals(24, response.length);
    }

    // Test getLMv2Response
    @Test
    void testGetLMv2Response() {
        byte[] challenge = { 1, 2, 3, 4, 5, 6, 7, 8 };
        byte[] clientChallenge = { 9, 10, 11, 12, 13, 14, 15, 16 };
        byte[] response = NtlmPasswordAuthentication.getLMv2Response("DOMAIN", "user", "password", challenge, clientChallenge);
        assertNotNull(response);

     */
    public static byte[] getLMv2Response(final Type2Message type2, final String domain, final String user, final String password,
            final byte[] clientChallenge) {
        if (type2 == null || domain == null || user == null || password == null || clientChallenge == null) {
            return null;
        }

     */
    public static byte[] getLMv2Response(final CIFSContext tc, final Type2Message type2, final String domain, final String user,
            final String password, final byte[] clientChallenge) throws GeneralSecurityException {
        if (password == null) {
            return null;
        }
        return getLMv2Response(tc, type2, domain, user, NtlmUtil.getNTHash(password), clientChallenge);
    }

            if (this.clientChallenge == null) {
                this.clientChallenge = new byte[8];
                tc.getConfig().getRandom().nextBytes(this.clientChallenge);
            }
            return NtlmUtil.getLMv2Response(this.domain, this.username, getPasswordAsCharArray(), chlng, this.clientChallenge);
        default:
            // Default to NTLMv2 for security
            log.info("Defaulting to secure NTLMv2 authentication");

     * @param challenge The server challenge.
     * @param clientChallenge The client challenge (nonce).
     * @return the LMv2 response bytes
     */
    public static byte[] getLMv2Response(final String domain, final String user, final String password, final byte[] challenge,
            final byte[] clientChallenge) {
        try {
            final byte[] hash = new byte[16];