package users; import java.io.Serializable; /** * Strategy to be used when garbling passwords. A concrete implementation of this interface can be found in * {@link User#DEFAULT_PASSWORD_GARBLER}. * * @see User#setGlobalPassWDGarbler * @see User#garblePassWD * * @author Steffen Zschaler * @version 2.0 05/05/1999 * @since v2.0 */ public interface PassWDGarbler extends Serializable { /** * Garble the given password and return the result. * * <p>You can implement any garbling algorithm as long as the follwoing conditions * hold: * <ol> * <li>It takes a string and returns a string.</li> * <li>Different passwords give different results.</li> * <li>The same password gives the same result in subsequent calls.</li> * </ol> * * @param sPassWD the password to be garbled. * * @return the garbled password. * * @see User#garblePassWD * @see User#isPassWd * * @override Always */ public String garblePassWD (String sPassWD); }