1 //////////////////////////////////////////////////////////////////////////////
2 // dexterIM - Instant Messaging Framework
3 // Copyright (C) 2003 Christoph Walcher
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 //////////////////////////////////////////////////////////////////////////////
19 package net.sf.dexterim.msn.util;
20
21 import java.security.MessageDigest;
22 import java.security.NoSuchAlgorithmException;
23
24 public class MD5 {
25
26 private byte digest[];
27
28 public MD5(String message) {
29 try {
30 MessageDigest digester = MessageDigest.getInstance("MD5");
31 digest = digester.digest(message.getBytes());
32 }
33 catch (NoSuchAlgorithmException e) {
34 e.printStackTrace();
35 }
36 }
37
38 public String toHex() {
39 return toHex(digest);
40 }
41
42 protected String toHex(byte digest[]) {
43 StringBuffer hexString = new StringBuffer();
44
45 for (int i = 0; i < digest.length; i++) {
46 hexString.append(Integer.toHexString(0xFF & digest[i]));
47 }
48
49 return hexString.toString();
50 }
51 }