|| !msg2.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY))) {
                    throw new SmbUnsupportedOperationException("Server does not support extended NTLMv2 key exchange");
                }

                if (!msg2.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_128)) {
                    throw new SmbUnsupportedOperationException("Server does not support 128-bit keys");

        case 3:
        case 4:
        case 5:
            /* This code is only called if extended security is not on. This will
             * all be cleaned up an normalized in JCIFS 2.x.
             */
            throw new SmbException(
                    "NTLMv2 requires extended security (jcifs.smb1.smb1.client.useExtendedSecurity must be true if jcifs.smb1.smb1.lmCompatibility >= 3)");
        }

    }

    /**
     * Custom SmbTree interface for testing unwrap functionality.
     */
    interface CustomSmbTree extends SmbTree {
        void customMethod();
    }

    /**
     * Extended SmbTree interface for testing nested unwrapping.
     */
    interface ExtendedSmbTree extends SmbTree {
        void extendedMethod();
    }

    /**
     * Incompatible tree type for testing type incompatibility.

        assertTrue(stringRep.contains("Type1Message"));
        assertTrue(stringRep.contains("DOMAIN"));
        assertTrue(stringRep.contains("WORKSTATION"));
    }

    @Test
    @DisplayName("Should handle extended security flags")
    void testExtendedSecurityFlags() {
        // Given
        int extendedFlags = NtlmFlags.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY;

        // When

    /**
     * Function code to set a reparse point on a file
     */
    public static final int FSCTL_SET_REPARSE_POINT = 0x000900A4;
    /**
     * Function code to retrieve extended DFS referrals
     */
    public static final int FSCTL_DFS_GET_REFERRALS_EX = 0x000601B0;
    /**
     * Function code to trim file level storage
     */
    public static final int FSCTL_FILE_LEVEL_TRIM = 0x00098208;

                    "RqLs", // Request lease
                    "DH2Q", // Durable handle request V2
                    "DH2C", // Durable handle reconnect V2
                    "ExtA", // Extended attributes
                    "SecD", // Security descriptor
                    "AppI" // App instance ID
            };

            for (String name : contextNames) {

                    array[_i].decode(_src);
                }
            }
        }
    }

    /**
     * Share information level 1 structure containing extended share information.
     */
    public static class ShareInfo1 extends NdrObject {

        /**
         * Default constructor for ShareInfo1.
         */
        public ShareInfo1() {
        }

        /**

    protected int leaseBreakTimeout = 60;
    /** Whether to use NT status codes instead of DOS error codes */
    protected boolean useNtStatus = true;
    /** Whether to use extended security negotiation */
    protected boolean useExtendedSecurity = true;
    /** Force use of extended security negotiation */
    protected boolean forceExtendedSecurity = false;
    /** Whether to negotiate only SMB2 or higher protocols */

 *
 * <p>When {@code post} is called, all registered subscribers for an event are run in sequence, so
 * subscribers should be reasonably quick. If an event may trigger an extended process (such as a
 * database load), spawn a thread or queue it for later. (For a convenient way to do this, use an
 * {@link AsyncEventBus}.)
 *
 * <h2>Subscriber Methods</h2>
 *

        case 3:
        case 4:
        case 5:
            /*
             * This code is only called if extended security is not on. This will
             * all be cleaned up an normalized in JCIFS 2.x.
             */
            throw new SmbException(
                    "NTLMv2 requires extended security (jcifs.smb.client.useExtendedSecurity must be true if jcifs.smb.lmCompatibility >= 3)");
        }
        return null;