Java tutorial
//package com.java2s; /* * OpenYMSG, an implementation of the Yahoo Instant Messaging and Chat protocol. * Copyright (C) 2007 G. der Kinderen, Nimbuzz.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Main { /** * Return the MD5 or a string and byte array. * * @throws NoSuchAlgorithmException */ public final static byte[] md5(String s) throws NoSuchAlgorithmException { return md5(s.getBytes()); } public final synchronized static byte[] md5(byte[] buff) throws NoSuchAlgorithmException { MessageDigest md5Obj = MessageDigest.getInstance("MD5"); md5Obj.reset(); return md5Obj.digest(buff); } }