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 * Generates an MD5 Hash (RFC 1321) from a given input <tt>source</tt> with an optional <tt>salt</tt> and
26 * hash iterations.
27 * <p/>
28 * See the {@link SimpleHash SimpleHash} parent class JavaDoc for a detailed explanation of Hashing
29 * techniques and how the overloaded constructors function.
30 *
31 * @since 0.9
32 */
33 public class Md5Hash extends SimpleHash {
34
35 //TODO - complete JavaDoc
36
37 public static final String ALGORITHM_NAME = "MD5";
38
39 public Md5Hash() {
40 super(ALGORITHM_NAME);
41 }
42
43 public Md5Hash(Object source) {
44 super(ALGORITHM_NAME, source);
45 }
46
47 public Md5Hash(Object source, Object salt) {
48 super(ALGORITHM_NAME, source, salt);
49 }
50
51 public Md5Hash(Object source, Object salt, int hashIterations) {
52 super(ALGORITHM_NAME, source, salt, hashIterations);
53 }
54
55 public static Md5Hash fromHexString(String hex) {
56 Md5Hashhash/Md5Hash.html#Md5Hash">Md5Hash hash = new Md5Hash();
57 hash.setBytes(Hex.decode(hex));
58 return hash;
59 }
60
61 public static Md5Hash fromBase64String(String base64) {
62 Md5Hashhash/Md5Hash.html#Md5Hash">Md5Hash hash = new Md5Hash();
63 hash.setBytes(Base64.decode(base64));
64 return hash;
65 }
66 }