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1   /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
2    *
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6    *
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  package org.acegisecurity.providers.encoding;
16  
17  /**
18   * <p>MD5 implementation of PasswordEncoder.</p>
19   * <p>If a <code>null</code> password is presented, it will be treated as an empty <code>String</code> ("")
20   * password.</p>
21   * <P>As MD5 is a one-way hash, the salt can contain any characters.</p>
22   *
23   * This is a convenience class that extends the
24   * {@link MessageDigestPasswordEncoder} and passes MD5 as the algorithm to use.
25   *
26   * @author Ray Krueger
27   * @author colin sampaleanu
28   * @author Ben Alex
29   * @version $Id: Md5PasswordEncoder.java 1527 2006-05-31 03:03:18Z raykrueger $
30   */
31  public class Md5PasswordEncoder extends MessageDigestPasswordEncoder {
32  
33      public Md5PasswordEncoder() {
34          super("MD5");
35      }
36  }