final SmbTransport trans = SmbTransport.getSmbTransport(dc, port);
        trans.connect();
        return trans.server.encryptionKey;
    }

    /**
     * Authenticate arbitrary credentials represented by the
     * <code>NtlmPasswordAuthentication</code> object against the domain controller
     * specified by the <code>UniAddress</code> parameter. If the credentials are

     *     service is the origin of the stream. When zero, the origin is specified in the `origin`
     *     parameter.
     * @param origin when present, the [origin](http://tools.ietf.org/html/rfc6454) is typically
     *     represented as a combination of scheme, host and port. When empty, the origin is that of
     *     the `streamId`.
     * @param protocol an ALPN protocol, such as `h2`.
     * @param host an IP address or hostname.

 * the <i>count</i> of that element (the terms "frequency" and "multiplicity" are equivalent, but
 * not used in this API). Since the count of an element is represented as an {@code int}, a multiset
 * may never contain more than {@link Integer#MAX_VALUE} occurrences of any one element.
 *
 * <p>{@code Multiset} refines the specifications of several methods from {@code Collection}. It

 * the <i>count</i> of that element (the terms "frequency" and "multiplicity" are equivalent, but
 * not used in this API). Since the count of an element is represented as an {@code int}, a multiset
 * may never contain more than {@link Integer#MAX_VALUE} occurrences of any one element.
 *
 * <p>{@code Multiset} refines the specifications of several methods from {@code Collection}. It

   * are expected.
   *
   * @param string the string representation of a {@code float} value
   * @return the floating point value represented by {@code string}, or {@code null} if {@code
   *     string} has a length of zero or cannot be parsed as a {@code float} value
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 14.0
   */

   * are expected.
   *
   * @param string the string representation of a {@code double} value
   * @return the floating point value represented by {@code string}, or {@code null} if {@code
   *     string} has a length of zero or cannot be parsed as a {@code double} value
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 14.0
   */

 * <td><code>
 *  smb://server/
 * </code></td>
 * </tr>
 *
 * </table>
 *
 * <p>
 * Instances of the <code>SmbFile</code> class are immutable; that is,
 * once created, the abstract pathname represented by an SmbFile object
 * will never change.
 *
 * @see java.io.File
 */

public class SmbFile extends URLConnection implements SmbResource, SmbConstants {
    /**

 * and pattern-based checks are performed.
 *
 * <p>If you know that a given string represents a numeric IP address, use {@link InetAddresses} to
 * obtain and manipulate a {@link java.net.InetAddress} instance from it rather than using this
 * class. Similarly, if you know that a given string represents a domain name, use {@link
 * InternetDomainName} rather than this class.
 *
 * @author Craig Berry
 * @since 5.0

    /**
     * Array of input character sequences that will be mapped to the output sequence.
     * These represent the original/current input values for this mapping rule.
     */
    private final String[] inputs;

    /**
     * The output character sequence that input characters will be mapped to.
     * This represents the original/current output value for this mapping rule.
     */
    private final String output;

    /**

import java.io.StringWriter;

import jcifs.smb1.util.Hexdump;

/**
 * There are hundreds of error codes that may be returned by a CIFS
 * server. Rather than represent each with it's own <code>Exception</code>
 * class, this class represents all of them. For many of the popular
 * error codes, constants and text messages like "The device is not ready"
 * are provided.
 * <p>