}

            assertEquals(160, totalSize); // 16+24+32+40+48
        }

        @Test
        @DisplayName("Should handle special SMB2 context names")
        void testSMB2ContextNames() {
            // Common SMB2 create context names
            String[] contextNames = { "DHnQ", // Durable handle request
                    "DHnC", // Durable handle reconnect

            }
        }
        // Check SMB2/3 signature
        else if (protocolId == 0x424D53FE) { // 0xFE 'S' 'M' 'B'
            // SMB2/3
            if (structureSize != 64) {
                failedValidations.incrementAndGet();
                throw new SmbException("Invalid SMB2 header size: " + structureSize);
            }
        } else {

            digest.close();

            // Verify operations fail after close
            byte[] data = new byte[128];
            // Initialize the data buffer with proper SMB2 header structure
            SMBUtil.writeInt4(0xFE534D42, data, 0); // SMB2 signature
            SMBUtil.writeInt4(0x0000, data, 12); // Command = 0
            SMBUtil.writeInt4(0x0000, data, 16); // Flags = 0

 */
package jcifs.internal.smb2.create;

import java.nio.charset.StandardCharsets;

import org.slf4j.Logger;
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;

     * @return session
     */
    SmbSession getSmbSession(CIFSContext tf, String targetHost, String targetDomain);

    /**
     * Checks if this transport uses the SMB2 protocol.
     *
     * @return whether this is a SMB2 connection
     * @throws SmbException if an error occurs checking protocol version
     */
    boolean isSMB2() throws SmbException;

    /**

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.DialectVersion;
import jcifs.internal.smb2.nego.EncryptionNegotiateContext;
import jcifs.util.SecureKeyManager;

/**
 * SMB2/SMB3 Encryption Context
 *
 * Manages encryption and decryption operations for SMB2/SMB3 sessions.
 * Handles both AES-CCM (SMB 3.0/3.0.2) and AES-GCM (SMB 3.1.1) cipher suites.
 *
 * @author mbechler
 */

        // When
        int headerSize = transformHeader.size();

        // Then
        assertEquals(52, headerSize); // SMB2 Transform Header is 52 bytes
    }

    // Note: SMB2 Transform Header doesn't have a protocol ID field
    // The protocol ID is part of the encrypted SMB2 message, not the transform header

    @Test
    @DisplayName("Should set and get signature")
    void testSignature() {
        // Given

    /**
     * @return whether this tree handle uses SMB2
     */
    @Override
    public boolean isSMB2() {
        try (SmbSessionImpl session = this.treeConnection.getSession(); SmbTransportImpl transport = session.getTransport()) {
            return transport.isSMB2();
        } catch (final SmbException e) {
            log.debug("Failed to connect for determining SMB2 support", e);
            return false;
        }

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 */
package jcifs.internal.smb2.persistent;

import java.io.Serializable;
import java.util.Arrays;

import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**
 * Information about a durable or persistent SMB handle.
 * This class holds all the necessary information to reconnect

 */
package jcifs.internal.fscc;

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

/**
 * Represents the FILE_STANDARD_INFORMATION structure used in SMB2/3 file system control code (FSCC) operations.
 * This structure provides standard file information including allocation size, end-of-file position,
 * number of links, deletion status, and directory flag.
 */