public boolean isSigningEnabled() {
        return (this.securityMode & Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED) != 0;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbNegotiationResponse#isSigningRequired()
     */
    @Override
    public boolean isSigningRequired() {
        return (this.securityMode & Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED) != 0;
    }

    /**

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Security-focused test cases for Smb2NegotiateResponse input validation.
 * Tests various malformed input scenarios to ensure proper validation and

    void testGetSecurityMode() throws Exception {
        // Given
        setPrivateField(response, "securityMode", Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED);

        // When
        int mode = response.getSecurityMode();

        // Then
        assertEquals(Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED, mode);
    }

    @Test
    @DisplayName("Should check capability correctly")

import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.RequestWithPath;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.smb2.lease.Smb2LeaseKey;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB2 Create request message. This command is used to create or open a file or directory

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.NtStatus;

/**
 * Test class for Smb2ReadResponse functionality
 */
@DisplayName("Smb2ReadResponse Tests")
class Smb2ReadResponseTest extends BaseTest {

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.Smb2Constants;

/**
 * Test class for Smb2CreateRequest
 */
@ExtendWith(MockitoExtension.class)
class Smb2CreateRequestTest {

    @Mock
    private Configuration mockConfig;

    @Mock

import org.junit.jupiter.params.provider.ValueSource;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2CloseRequest functionality
 */
@DisplayName("Smb2CloseRequest Tests")
class Smb2CloseRequestTest {

    private Configuration mockConfig;

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.fscc.FileBothDirectoryInfo;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.FileEntry;

/**
 * Test class for Smb2QueryDirectoryResponse functionality
 */
@DisplayName("Smb2QueryDirectoryResponse Tests")

            int rl = nextCommand != 0 ? nextCommand : size;

            // read and decode first
            System.arraycopy(this.sbuf, 4, buffer, 0, Smb2Constants.SMB2_HEADER_LENGTH);
            readn(this.in, buffer, Smb2Constants.SMB2_HEADER_LENGTH, rl - Smb2Constants.SMB2_HEADER_LENGTH);

            cur.setReadSize(rl);
            int len = cur.decode(buffer, 0);

            if (len > rl) {

        byte[] token = negoResp.getSecurityBlob();
        final int securityMode =
                (negoResp.getSecurityMode() & Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED) != 0 || trans.isSigningEnforced()
                        ? Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED
                        : Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED;
        boolean anonymous = this.credentials.isAnonymous();
        long sessId = 0;