assertNotNull(contexts);
        assertEquals(0, contexts.length);
        assertNull(request.getPreauthSalt());
    }

    @Test
    @DisplayName("Should enforce signing when required flag is set")
    void testSigningEnforced() {
        // When
        request = new Smb2NegotiateRequest(mockConfig, Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED);

        // Then

    private String[] dialects;

    /**
     * Creates a new SMB1 negotiate request to establish protocol parameters.
     *
     * @param config the CIFS configuration
     * @param signingEnforced whether SMB signing is enforced
     */
    public SmbComNegotiate(final Configuration config, final boolean signingEnforced) {
        super(config, SMB_COM_NEGOTIATE);
        this.signingEnforced = signingEnforced;

                 * junk. We need to bump up the wordCount here so that this method returns
                 * the correct number of bytes for signing purposes. Otherwise we get a
                 * signing verification failure.
                 */
                if (command == SMB_COM_NT_CREATE_ANDX && ((SmbComNTCreateAndXResponse) this).isExtended) {
                    wordCount += 8;

            yield new byte[0];
        }
        };
    }

    /**
     * Get the signing key for this authentication
     *
     * @param tc the CIFS context
     * @param chlng the server challenge
     * @return the signing key
     * @throws SmbException if an SMB error occurs
     * @throws GeneralSecurityException if a security error occurs
     */

                 * junk. We need to bump up the wordCount here so that this method returns
                 * the correct number of bytes for signing purposes. Otherwise we get a
                 * signing verification failure.
                 */
                if (this.getCommand() == SMB_COM_NT_CREATE_ANDX && ((SmbComNTCreateAndXResponse) this).isExtended()

                && !sess.getCredentials().isAnonymous() && sess.getDigest() == null) {
            throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;
        this.inDfs = response.isShareDfs();
        this.treeNum = TREE_CONN_COUNTER.incrementAndGet();

    public static final int ANONYMITY = 0x08;
    /**
     * Context flag for confidentiality (encryption) capability
     */
    public static final int CONFIDENTIALITY = 0x04;
    /**
     * Context flag for integrity (signing) capability
     */
    public static final int INTEGRITY = 0x02;

    private static final ASN1ObjectIdentifier SPNEGO_OID = new ASN1ObjectIdentifier(SpnegoConstants.SPNEGO_MECHANISM);

        verify(treeConnection, times(2)).isSame(otherConn);
    }

    @Test
    @DisplayName("Buffer sizes and signing flags from negotiate response")
    void bufferSizesAndSigning() throws Exception {
        // Validate buffer sizes and signing flag are read from negotiate response
        SmbNegotiationResponse nego = mock(SmbNegotiationResponse.class);

    protected boolean forceUnicode = false;
    /** Whether SMB signing is preferred but not required */
    protected boolean signingPreferred = false;
    /** Whether SMB signing is enforced (required) */
    protected boolean signingEnforced = false;
    /** Whether to enforce signing for IPC connections */
    protected boolean ipcSigningEnforced = true;
    /** Whether SMB3 encryption is enabled */

        assertEquals(0, SMBUtil.readInt4(dst, 2));
    }

    /**
     * Test method for {@link jcifs.internal.smb1.com.SmbComClose#writeParameterWordsWireFormat(byte[], int)} with a signing digest.
     */
    @Test
    public void testWriteParameterWordsWireFormatWithDigest() {
        // Given
        int fid = 789;
        long lastWriteTime = System.currentTimeMillis();