*/
    @Override
    public byte[] getServerEncryptionKey() {
        if (this.negotiated == null) {
            return null;
        }

        if (this.negotiated instanceof SmbComNegotiateResponse) {
            return ((SmbComNegotiateResponse) this.negotiated).getServerData().encryptionKey;
        }
        return null;
    }

    @Override

    }

    /**
     * Returns the server capabilities negotiated during the SMB handshake.
     *
     * @return the negotiated capabilities
     */
    public int getNegotiatedCapabilities() {
        return this.capabilities;
    }

    /**
     * Gets the negotiated send buffer size.
     *
     * @return negotiated send buffer size
     */
    public int getNegotiatedSendBufferSize() {

     *
     * @return the security mode flags from the server
     */
    public int getSecurityMode() {
        return this.securityMode;
    }

    /**
     * Gets the negotiated SMB dialect
     *
     * @return the SMB dialect negotiated with the server
     */
    public int getDialect() {
        return this.dialect;
    }

    /**
     * {@inheritDoc}
     *

    }

    private void negotiate(int port, final ServerMessageBlock resp) throws IOException {
        /* We cannot use Transport.sendrecv() yet because
         * the Transport thread is not setup until doConnect()
         * returns and we want to supress all communication
         * until we have properly negotiated.
         */
        synchronized (sbuf) {
            if (port == 139) {

    }

    /**
     * Get the negotiated SMB Direct protocol version
     *
     * @return negotiated protocol version
     */
    public int getNegotiatedVersion() {
        return negotiatedVersion;
    }

    /**
     * Set the negotiated SMB Direct protocol version
     *
     * @param negotiatedVersion negotiated protocol version
     */

   * HTTPS.
   */
  fun handshake(): Handshake?

  /**
   * Returns the protocol negotiated by this connection, or [Protocol.HTTP_1_1] if no protocol
   * has been negotiated. This method returns [Protocol.HTTP_1_1] even if the remote peer is using
   * [Protocol.HTTP_1_0].
   */
  fun protocol(): Protocol

                log.debug("Multiple preauth negotiate contexts");
                return false;
            }
        }

        if (!foundPreauth) {
            log.error("Missing preauth negotiate context");
            return false;
        }
        if (!foundEnc && (caps & Smb2Constants.SMB2_GLOBAL_CAP_ENCRYPTION) != 0) {
            log.error("Missing encryption negotiate context");
            return false;

 */
package jcifs.internal.smb2.ioctl;

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

/**
 * SMB2 Validate Negotiate Info request data structure. This structure is used to validate
 * that the negotiated SMB2 dialect matches what was originally negotiated.
 *
 * @author mbechler
 *
 */
public class ValidateNegotiateInfoRequest implements Encodable {

    private final int capabilities;

    /**
     * Checks whether SMB message signing has been successfully negotiated.
     *
     * @return whether signing has been negotiated
     */
    boolean isSigningNegotiated();

    /**
     * Checks whether a specific capability has been negotiated.
     *
     * @param cap the capability flag to check
     * @return whether capability is negotiated
     */
    boolean haveCapabilitiy(int cap);

    /**

        assertFalse(enforced.isSigningOptional());
        assertTrue(enforced.isSigningEnforced());

        // Negotiated required -> enforced true; negotiated enabled-only -> optional true
        SmbNegotiationResponse nego = mock(SmbNegotiationResponse.class);
        setField(transport, "negotiated", nego);
        when(nego.isSigningNegotiated()).thenReturn(true);