protected void parseURL ( URL u, String spec, int start, int limit ) {
        String host = u.getHost();
        String path, ref;
        int port;

        if ( spec.equals("smb://") ) {
            spec = "smb:////";
            limit += 2;
        }
        else if ( spec.startsWith("smb://") == false && host != null && host.length() == 0 ) {
            spec = "//" + spec;
            limit += 2;
        }

    public static final long MILLISECONDS_BETWEEN_1970_AND_1601 = 11644473600000L;
    public static final long SEC_BETWEEEN_1904_AND_1970 = 2082844800L;
    public static final int TIME_1970_SEC_32BE = 1;
    public static final int TIME_1970_SEC_32LE = 2;
    public static final int TIME_1904_SEC_32BE = 3;
    public static final int TIME_1904_SEC_32LE = 4;
    public static final int TIME_1601_NANOS_64LE = 5;

 */
package jcifs.internal.smb2;


import java.security.GeneralSecurityException;
import java.security.MessageDigest;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

import jcifs.util.Crypto;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.internal.CommonServerMessageBlock;
import jcifs.internal.SMBSigningDigest;