* Indicates that the NTLM2 signing and sealing scheme should be used
     * for protecting authenticated communications. This refers to a
     * particular session security scheme, and is not related to the use
     * of NTLMv2 authentication.
     */
    int NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY = 0x00080000;

    /**
     * ?? According to spec this is a reserved bit and must be set to zero
     */

import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.util.Encdec;
import jcifs.smb1.util.Hexdump;
import jcifs.smb1.util.LogStream;

/**
For initiating NTLM authentication (including NTLMv2). If you want to add NTLMv2 authentication support to something this is what you want to use. See the code for details. Note that JCIFS does not implement the acceptor side of NTLM authentication.
 */

public class NtlmContext {

        // With default lmCompatibility=3, getUnicodeHash returns empty array for NTLMv2
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication("DOMAIN", "user", "password");
        byte[] challenge = { 1, 2, 3, 4, 5, 6, 7, 8 };
        byte[] hash = auth.getUnicodeHash(challenge);
        assertNotNull(hash);
        // For lmCompatibility 3,4,5 (NTLMv2), returns empty array
        assertEquals(0, hash.length);
    }

        return NtlmPasswordAuthentication.computeResponse(responseKeyLM, serverChallenge, clientChallenge, 0, clientChallenge.length);
    }

    /**
     * Creates the NTLMv2 response for the supplied information.
     *
     * @param responseKeyNT the NT response key
     * @param serverChallenge the server challenge bytes
     * @param clientChallenge the client challenge bytes

     * <td>2</td>
     * <td>NTLM only</td>
     * </tr>
     * <tr>
     * <td>3-5</td>
     * <td>NTLMv2 only</td>
     * </tr>
     * </table>
     *
     *
     * Property {@code jcifs.smb.lmCompatibility} (int, default 3)
     *
     * @return lanman compatibility level, defaults to 3 i.e. NTLMv2 only
     */
    int getLanManCompatibility();

    /**
     *

        Config.setProperty("jcifs.smb1.netbios.cachePolicy", "1200");
        /* The Filter can only work with NTLMv1 as it uses a man-in-the-middle
         * techinque that NTLMv2 specifically thwarts. A real NTLM Filter would
         * need to do a NETLOGON RPC that JCIFS will likely never implement
         * because it requires a lot of extra crypto not used by CIFS.
         */

        p.setProperty("jcifs.netbios.cachePolicy", "1200");
        /*
         * The Filter can only work with NTLMv1 as it uses a man-in-the-middle
         * technique that NTLMv2 specifically thwarts. A real NTLM Filter would
         * need to do a NETLOGON RPC that JCIFS will likely never implement
         * because it requires a lot of extra crypto not used by CIFS.
         */

 * @author mbechler
 *
 * <p>This class is intended for internal use.</p>
 */
public final class NtlmUtil {

    /**
     *
     */
    private NtlmUtil() {
    }

    /**
     * Creates the NTLMv2 response for the supplied information.
     *
     * @param responseKeyNT the NT response key
     * @param serverChallenge the server challenge bytes
     * @param clientChallenge the client challenge bytes