1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.crypto.hash;
20
21 import org.apache.shiro.codec.Base64;
22 import org.apache.shiro.codec.Hex;
23
24
25 /**
26 * Generates an MD2 Hash (RFC 1319) from a given input <tt>source</tt> with an optional <tt>salt</tt> and
27 * hash iterations.
28 * <p/>
29 * See the {@link SimpleHash SimpleHash} parent class JavaDoc for a detailed explanation of Hashing
30 * techniques and how the overloaded constructors function.
31 *
32 * @since 0.9
33 */
34 public class Md2Hash extends SimpleHash {
35
36 public static final String ALGORITHM_NAME = "MD2";
37
38 public Md2Hash() {
39 super(ALGORITHM_NAME);
40 }
41
42 public Md2Hash(Object source) {
43 super(ALGORITHM_NAME, source);
44 }
45
46 public Md2Hash(Object source, Object salt) {
47 super(ALGORITHM_NAME, source, salt);
48 }
49
50 public Md2Hash(Object source, Object salt, int hashIterations) {
51 super(ALGORITHM_NAME, source, salt, hashIterations);
52 }
53
54 public static Md2Hash fromHexString(String hex) {
55 Md2Hash hash = new Md2Hash();
56 hash.setBytes(Hex.decode(hex));
57 return hash;
58 }
59
60 public static Md2Hash fromBase64String(String base64) {
61 Md2Hash hash = new Md2Hash();
62 hash.setBytes(Base64.decode(base64));
63 return hash;
64 }
65 }