## 2. Protocol Specification Reference

- **MS-SMB2 Section 2.2.13.2.3**: SMB2_CREATE_DURABLE_HANDLE_REQUEST
- **MS-SMB2 Section 2.2.13.2.4**: SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2
- **MS-SMB2 Section 2.2.13.2.5**: SMB2_CREATE_DURABLE_HANDLE_RECONNECT
- **MS-SMB2 Section 2.2.13.2.12**: SMB2_CREATE_REQUEST_LEASE_V2
- **MS-SMB2 Section 3.2.1.4**: Durable Open Scavenger Timer

## 3. Handle Types and Capabilities

## 2. Protocol Specification Reference

- **MS-SMB2 Section 3.2.4.23**: FSCTL_QUERY_NETWORK_INTERFACE_INFO
- **MS-SMB2 Section 3.2.5.14.8**: Sending an SMB2 IOCTL Request for FSCTL_QUERY_NETWORK_INTERFACE_INFO
- **MS-SMB2 Section 3.1.5.3**: Receiving an SMB_COM_NEGOTIATE
- **MS-SMB2 Section 3.2.4.1.6**: Alternative Channel Creation
- **MS-SMB2 Section 3.3.5.15.12**: Channel Binding

## 3. Multi-Channel Architecture

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.util.SMBUtil;

@ExtendWith(MockitoExtension.class)
class Smb2CreateResponseTest {

    // SMB2 header size in bytes
    private static final int SMB2_HEADER_LENGTH = 64;

    /**
     * Build a minimal SMB2 header for a response.
     */
    private static byte[] buildSmb2Header() {

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

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.DialectVersion;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2NegotiateRequest functionality
 */
@DisplayName("Smb2NegotiateRequest Tests")
class Smb2NegotiateRequestTest {

import jcifs.internal.SmbNegotiationResponse;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.smb2.io.Smb2ReadResponse;
import jcifs.internal.smb2.io.Smb2WriteRequest;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;
import jcifs.util.transport.Response;

/**
 * SMB2 Negotiate Protocol response message.
 *

 */
package jcifs.internal.smb2.notify;

import java.util.ArrayList;
import java.util.List;

import jcifs.Configuration;
import jcifs.FileNotifyInformation;
import jcifs.internal.NotifyResponse;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb1.trans.nt.FileNotifyInformationImpl;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;

import jcifs.SmbResource;
import jcifs.SmbResourceLocator;
import jcifs.internal.Request;
import jcifs.internal.smb2.create.Smb2CloseRequest;
import jcifs.internal.smb2.create.Smb2CreateRequest;
import jcifs.internal.smb2.create.Smb2CreateResponse;
import jcifs.internal.smb2.info.Smb2QueryDirectoryRequest;
import jcifs.internal.smb2.info.Smb2QueryDirectoryResponse;

@ExtendWith(MockitoExtension.class)
class DirFileEntryEnumIterator2Test {

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.ioctl;

import jcifs.Encodable;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 SRV_COPYCHUNK data structure. This structure represents a single chunk specification
 * for server-side copy operations.
 *
 * @author mbechler
 *
 */

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.ioctl;

import jcifs.Encodable;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 SRV_COPYCHUNK_COPY data structure. This structure is used to perform server-side
 * copy operations with multiple chunk specifications.
 *
 * @author mbechler
 *
 */

        byte[] initialHash = preauthService.getCurrentPreauthHash(sessionId);
        assertNotNull(initialHash);

        // Update with negotiate message
        byte[] negotiateMessage = "SMB2 Negotiate Request".getBytes();
        preauthService.updatePreauthHash(sessionId, negotiateMessage);

        byte[] afterNegotiateHash = preauthService.getCurrentPreauthHash(sessionId);
        assertNotNull(afterNegotiateHash);