2 * Copyright 2005 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.security.encryption;
18 import org.apache.commons.codec.binary.Hex;
20 import java.security.MessageDigest;
21 import java.security.NoSuchAlgorithmException;
27 * @author Erik Brakkee
29 public class Md5HexMessageDigester implements MessageDigester {
31 * Constructs the message digester.
34 public Md5HexMessageDigester() {
41 * @see org.wamblee.security.MessageDigester#hash(java.lang.String)
46 * @param aValue DOCUMENT ME!
48 * @return DOCUMENT ME!
50 * @throws IllegalArgumentException DOCUMENT ME!
52 public String hash(String aValue) {
54 MessageDigest digest = MessageDigest.getInstance("MD5");
55 byte[] result = digest.digest(aValue.getBytes());
56 char[] charResult = Hex.encodeHex(result);
58 return new String(charResult);
59 } catch (NoSuchAlgorithmException e) {
60 throw new IllegalArgumentException("MD5 not supported????");