final UniAddress dc = new UniAddress(addr);
        try (SmbTransportInternal trans = tf.getTransportPool()
                .getSmbTransport(tf, dc, 0, false, tf.hasDefaultCredentials() && tf.getConfig().isIpcSigningEnforced())
                .unwrap(SmbTransportInternal.class)) {
            if (!tf.hasDefaultCredentials()) {
                trans.ensureConnected();
                log.warn("""

     */
    public static byte[] getChallenge(final UniAddress dc, final int port) throws SmbException, UnknownHostException {
        final SmbTransport trans = SmbTransport.getSmbTransport(dc, port);
        trans.connect();
        return trans.server.encryptionKey;
    }

    /**
     * Authenticate arbitrary credentials represented by the

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import java.io.IOException;

import jcifs.CIFSException;
import jcifs.internal.smb1.trans.TransPeekNamedPipe;
import jcifs.internal.smb1.trans.TransPeekNamedPipeResponse;
import jcifs.internal.smb2.ioctl.Smb2IoctlRequest;
import jcifs.internal.smb2.ioctl.Smb2IoctlResponse;
import jcifs.internal.smb2.ioctl.SrvPipePeekResponse;

/**

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.internal.smb1.trans2;

import jcifs.Configuration;
import jcifs.internal.smb1.trans.SmbComTransaction;
import jcifs.internal.smb1.trans.SmbComTransactionResponse;

/**
 * SMB1 Trans2 Set File Information response implementation.
 * Handles server responses to Trans2 set file information requests, used for

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.internal.smb1.trans.nt;

import jcifs.Configuration;
import jcifs.internal.CommonServerMessageBlockRequest;
import jcifs.internal.smb1.trans.SmbComTransaction;
import jcifs.internal.util.SMBUtil;

/**
 * Base class for SMB1 NT Transaction request messages.
 *

package jcifs.internal.smb1.trans2;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.fscc.FileBothDirectoryInfo;
import jcifs.internal.smb1.trans.SmbComTransaction;
import jcifs.internal.smb1.trans.SmbComTransactionResponse;
import jcifs.internal.util.SMBUtil;

/**
 * Trans2 FindFirst2 response message for SMB1 directory enumeration.

import jcifs.internal.fscc.FileFsSizeInformation;
import jcifs.internal.fscc.FileSystemInformation;
import jcifs.internal.fscc.SmbInfoAllocation;
import jcifs.internal.smb1.trans.SmbComTransaction;
import jcifs.internal.smb1.trans.SmbComTransactionResponse;

/**
 * Trans2 QueryFSInformation response message for file system information queries.
 * This class handles the response from a TRANS2_QUERY_FS_INFORMATION request,

import jcifs.SmbPipeHandle;
import jcifs.SmbPipeResource;
import jcifs.internal.smb1.trans.TransCallNamedPipe;
import jcifs.internal.smb1.trans.TransCallNamedPipeResponse;
import jcifs.internal.smb1.trans.TransTransactNamedPipe;
import jcifs.internal.smb1.trans.TransTransactNamedPipeResponse;
import jcifs.internal.smb1.trans.TransWaitNamedPipe;
import jcifs.internal.smb1.trans.TransWaitNamedPipeResponse;
import jcifs.internal.smb2.ioctl.Smb2IoctlRequest;

 * 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.smb1.trans.nt;

import jcifs.Configuration;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB1 NT Transaction subcommand for file system change notification.
 *

     */
    int getTransactionBufferSize();

    /**
     * Gets the number of initial credits granted by the server for SMB2.
     *
     * @return number of initial credits the server grants
     */
    int getInitialCredits();

    /**
     * Checks whether a connection can be reused for the given configuration.
     *
     * @param tc the CIFS context to check compatibility with