// When - set all to true
        serverData.encryptedPasswords = true;
        serverData.signaturesEnabled = true;
        serverData.signaturesRequired = true;

        // Then
        assertTrue(serverData.encryptedPasswords);
        assertTrue(serverData.signaturesEnabled);
        assertTrue(serverData.signaturesRequired);

        // When - set all to false

            return false;
        }

        if (req.isSigningEnforced() || this.server.signaturesRequired
                || this.server.signaturesEnabled && ctx.getConfig().isSigningEnabled()) {
            this.negotiatedFlags2 |= SmbConstants.FLAGS2_SECURITY_SIGNATURES;
            if (req.isSigningEnforced() || isSigningRequired()) {

    /**
     * Whether the server requires encrypted passwords.
     */
    public boolean encryptedPasswords;
    /**
     * Whether message signing is enabled.
     */
    public boolean signaturesEnabled;
    /**
     * Whether message signing is required.
     */
    public boolean signaturesRequired;
    /**
     * Maximum number of virtual circuits.
     */
    public int maxNumberVcs;
    /**

        server.securityMode = buffer[bufferIndex] & 0xFF;
        bufferIndex++;
        server.security = server.securityMode & 0x01;
        server.encryptedPasswords = (server.securityMode & 0x02) == 0x02;
        server.signaturesEnabled = (server.securityMode & 0x04) == 0x04;
        server.signaturesRequired = (server.securityMode & 0x08) == 0x08;
        server.maxMpxCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

    @Test
    public void testIsValid() {
        SmbNegotiationRequest request = mock(SmbNegotiationRequest.class);
        when(request.isSigningEnforced()).thenReturn(true);
        response.getServerData().signaturesEnabled = true;

        assertTrue(response.isValid(mockContext, request));
        assertTrue(response.isSigningNegotiated());

        assertEquals(0x0F, serverData.securityMode);
        assertEquals(0x01, serverData.security);
        assertTrue(serverData.encryptedPasswords);
        assertTrue(serverData.signaturesEnabled);
        assertTrue(serverData.signaturesRequired);
        assertEquals(50, serverData.maxMpxCount);
        assertEquals(10, serverData.maxNumberVcs);
        assertEquals(8192, serverData.maxBufferSize);

        int maxBufferSize;
        int sessionKey;
        int capabilities;
        String oemDomainName;
        int securityMode;
        int security;
        boolean encryptedPasswords;
        boolean signaturesEnabled;
        boolean signaturesRequired;
        int maxNumberVcs;
        int maxRawSize;
        long serverTime;
        int serverTimeZone;
        int encryptionKeyLength;
        byte[] encryptionKey;