// Verify LM compatibility level is 3 or higher (NTLMv2 only)
        assertTrue("LM compatibility should be 3 or higher for NTLMv2 only", config.getLanManCompatibility() >= 3);
        assertEquals("LM compatibility should default to 3", 3, config.getLanManCompatibility());

        // Verify maximum version supports latest SMB 3.1.1

     */
    @Deprecated
    public byte[] getAnsiHash(CIFSContext tc, byte[] chlng) throws GeneralSecurityException {
        int compatibility = tc.getConfig().getLanManCompatibility();

        // Log warning for insecure NTLMv1 usage
        if (compatibility < 3) {
            log.warn("Using insecure NTLMv1 authentication (LM compatibility level {}). "

            mockConfig.getLogonShare();
            mockConfig.getDefaultDomain();
            mockConfig.getDefaultUsername();
            mockConfig.getDefaultPassword();
            mockConfig.getLanManCompatibility();
            mockConfig.isAllowNTLMFallback();
            mockConfig.isUseRawNTLM();
            mockConfig.isDisablePlainTextPasswords();
            mockConfig.getResolveOrder();

        this.digest = Crypto.getMD5();
        try {
            final byte[] serverEncryptionKey = transport.getServerEncryptionKey();
            switch (transport.getContext().getConfig().getLanManCompatibility()) {
            case 0:
            case 1:
            case 2:
                this.macSigningKey = new byte[40];

        }

        if ((this.server.scapabilities & SmbConstants.CAP_EXTENDED_SECURITY) != SmbConstants.CAP_EXTENDED_SECURITY
                && this.server.encryptionKeyLength != 8 && ctx.getConfig().getLanManCompatibility() == 0) {
            log.warn("Unexpected encryption key length: " + this.server.encryptionKeyLength);
            return false;
        }

        if (req.isSigningEnforced() || this.server.signaturesRequired

        return this.delegate.getLeaseBreakTimeout();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getLanManCompatibility()
     */
    @Override
    public int getLanManCompatibility() {
        return this.delegate.getLanManCompatibility();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#isAllowNTLMFallback()
     */
    @Override

    }

    @Test
    @DisplayName("Authentication configuration should delegate correctly")
    void testAuthenticationConfigurationDelegation() {
        // Given
        when(mockDelegate.getLanManCompatibility()).thenReturn(3);
        when(mockDelegate.isAllowNTLMFallback()).thenReturn(true);
        when(mockDelegate.isUseRawNTLM()).thenReturn(false);
        when(mockDelegate.isDisablePlainTextPasswords()).thenReturn(true);

        when(mockTransport.getContext()).thenReturn(mockContext);
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockConfig.getLanManCompatibility()).thenReturn(3);
        when(mockTransport.getServerEncryptionKey()).thenThrow(new RuntimeException("Test exception"));

        assertThrows(SmbException.class, () -> new SMB1SigningDigest(mockTransport, mockAuth));

        lenient().when(mockConfig.getOemEncoding()).thenReturn("UTF-8");
        lenient().when(mockConfig.getRandom()).thenReturn(mockRandom);
        lenient().when(mockConfig.getLanManCompatibility()).thenReturn(3); // Default NTLMv2
        lenient().when(mockConfig.getMachineId()).thenReturn(machineId);
        lenient().when(mockCtx.getConfig()).thenReturn(mockConfig);

        assertNull(config.getDefaultUsername());
        assertNull(config.getDefaultPassword());
        assertTrue(config.isDisablePlainTextPasswords());
        assertEquals(3, config.getLanManCompatibility());
        assertTrue(config.isAllowNTLMFallback());
        assertFalse(config.isUseRawNTLM());
        assertFalse(config.isDisableSpnegoIntegrity());
        assertTrue(config.isEnforceSpnegoIntegrity());