void testConstructor() {
        // Verify all fields are properly initialized
        assertNotNull(negotiation);
        assertSame(mockRequest, negotiation.getRequest());
        assertSame(mockResponse, negotiation.getResponse());
        assertSame(testRequestBuffer, negotiation.getRequestRaw());
        assertSame(testResponseBuffer, negotiation.getResponseRaw());
    }

    @Test
    @DisplayName("Constructor with null request should work")

    /**
     * Check if the negotiation response is valid
     *
     * @param cifsContext the CIFS context
     * @param request the negotiation request
     * @return whether the protocol negotiation was successful
     */
    boolean isValid(CIFSContext cifsContext, SmbNegotiationRequest request);

    /**
     * Gets the SMB dialect version selected by the server.
     *

 */
package jcifs.internal;

/**
 * Container class for SMB protocol negotiation state.
 * Holds the negotiation request, response, and raw buffer data exchanged
 * between client and server during SMB protocol version negotiation.
 *
 * @author mbechler
 */
public final class SmbNegotiation {

    private final SmbNegotiationRequest request;

        transport.close(); // release once
    }

    @Test
    @DisplayName("Server encryption key is returned for SMB1 negotiation only")
    void serverEncryptionKey() {
        // No negotiation yet -> null
        assertNull(transport.getServerEncryptionKey());

        // SMB1 negotiation with server data
        SmbComNegotiateResponse smb1 = new SmbComNegotiateResponse(ctx);
        ServerData sd = smb1.getServerData();

        this.maxFragmentedSize = RdmaCapabilities.DEFAULT_MAX_FRAGMENTED_SIZE;
    }

    /**
     * Check if negotiation was successful
     *
     * @return true if successful, false otherwise
     */
    public boolean isSuccess() {
        return status == 0;
    }

    /**
     * Get negotiation status
     *
     * @return status code (0 = success)
     */
    public int getStatus() {
        return status;

/**
 * Enhanced Pre-Authentication Integrity Service for SMB 3.1.1.
 *
 * Provides comprehensive pre-authentication integrity protection against
 * downgrade attacks by maintaining cryptographic hash chains of all
 * negotiation and session setup messages.
 */
public class PreauthIntegrityService {

    private static final Logger log = LoggerFactory.getLogger(PreauthIntegrityService.class);

    // Hash algorithm constants

     * client workstation has membership is supplied in the Type-1 message.
     * This is used in the negotation of local authentication.
     */
    int NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED = 0x00001000;

    /**
     * Indicates whether the OEM-formatted workstation name is supplied
     * in the Type-1 message. This is used in the negotiation of local
     * authentication.
     */

    public NegTokenTarg(final byte[] token) throws IOException {
        parse(token);
    }

    /**
     * Gets the negotiation result code
     * @return the result code
     */
    public int getResult() {
        return this.result;
    }

    /**
     * Sets the negotiation result code
     * @param result the result code to set
     */
    public void setResult(final int result) {

 */
package jcifs.internal.smb1.com;

/**
 * Container for SMB server negotiation data.
 * This class holds the server capabilities, configuration, and security
 * parameters received during SMB protocol negotiation.
 *
 * Stores server-specific data obtained during SMB1 protocol negotiation.
 */
public class ServerData {

    /**
     * Default constructor for ServerData.

        this.creditsRequested = creditsRequested;
    }

    /**
     * Get the negotiation status
     *
     * @return status code
     */
    public int getStatus() {
        return status;
    }

    /**
     * Set the negotiation status
     *
     * @param status status code
     */
    public void setStatus(int status) {
        this.status = status;