import java.util.List;
import java.util.Set;

import javax.security.auth.Subject;
import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.kerberos.KeyTab;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;


@SuppressWarnings ( "javadoc" )
public class KerberosCredentials {

    private Subject subject;


    public KerberosCredentials () throws LoginException {

            }
        }
    }


    private static byte[] createToken ( final SSPContext ctx, final byte[] token, Subject s ) throws CIFSException {
        if ( s != null ) {
            try {
                return Subject.doAs(s, new PrivilegedExceptionAction<byte[]>() {

                    @Override
                    public byte[] run () throws Exception {