|
/*
* $Header: /cvsroot/mvnforum/mvnforum/contrib/phpbb2mvnforum/src/org/mvnforum/util/MD5.java,v 1.6 2007/01/15 10:27:31 dungbtm Exp $
* $Author: dungbtm $
* $Revision: 1.6 $
* $Date: 2007/01/15 10:27:31 $
*
*
*
* Copyright (C) 2002-2007 by MyVietnam.net
*
* All copyright notices regarding mvnForum MUST remain
* intact in the scripts and in the outputted HTML.
* The "powered by" text/logo with a link back to
* http://www.mvnForum.com and http://www.MyVietnam.net in
* the footer of the pages MUST remain visible when the pages
* are viewed on the internet or intranet.
*
* 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
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Support can be obtained from support forums at:
* http://www.mvnForum.com/mvnforum/index
*
* Correspondence and Marketing Questions can be sent to:
* info at MyVietnam net
*
* @author:
*/
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import sun.misc.BASE64Encoder;
//
// The JavaReference.com Software License, Version 1.0
// Copyright (c) 2002-2005 JavaReference.com. All rights reserved.
//
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. The end-user documentation included with the redistribution, if any, must
// include the following acknowlegement:
//
// "This product includes software developed by the Javareference.com
// (http://www.javareference.com/)."
//
// Alternately, this acknowlegement may appear in the software itself, if and
// wherever such third-party acknowlegements normally appear.
//
// 4. The names "JavaReference" and "Javareference.com", must not be used to
// endorse or promote products derived from this software without prior written
// permission. For written permission, please contact webmaster@javareference.com.
//
// 5. Products derived from this software may not be called "Javareference" nor may
// "Javareference" appear in their names without prior written permission of
// Javareference.com.
//
// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// JAVAREFERENCE.COM OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//
// Software from this site consists of contributions made by various individuals
// on behalf of Javareference.com. For more information on Javareference.com,
// please see http://www.javareference.com
//
/**
* @author anandh
*/
public class MD5 {
static char[] carr = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
public static String getBase64FromHEX(String input) {
byte barr[] = new byte[16];
int bcnt = 0;
for (int i = 0; i < 32; i += 2) {
char c1 = input.charAt(i);
char c2 = input.charAt(i + 1);
int i1 = intFromChar(c1);
int i2 = intFromChar(c2);
barr[bcnt] = 0;
barr[bcnt] |= (byte) ((i1 & 0x0F) << 4);
barr[bcnt] |= (byte) (i2 & 0x0F);
bcnt++;
}
BASE64Encoder encoder = new BASE64Encoder();
return encoder.encode(barr);
}
public static synchronized String getMD5_Base64(String input) {
// please note that we dont use digest, because if we
// cannot get digest, then the second time we have to call it
// again, which will fail again
MessageDigest digest = null;
try {
digest = MessageDigest.getInstance("MD5");
} catch (Exception ex) {
ex.printStackTrace();
}
if (digest == null)
return input;
// now everything is ok, go ahead
try {
digest.update(input.getBytes("UTF-8"));
} catch (java.io.UnsupportedEncodingException ex) {
ex.printStackTrace();
}
byte[] rawData = digest.digest();
BASE64Encoder bencoder = new BASE64Encoder();
return bencoder.encode(rawData);
}
private static int intFromChar(char c) {
char clower = Character.toLowerCase(c);
for (int i = 0; i < carr.length; i++) {
if (clower == carr[i]) {
return i;
}
}
return 0;
}
public static void main(String[] args) {
//String password = args[0];
String password = "test";
MessageDigest digest = null;
try {
digest = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
try {
digest.update(password.getBytes("UTF-8"));
} catch (UnsupportedEncodingException ex) {
ex.printStackTrace();
}
byte[] rawData = digest.digest();
StringBuffer printable = new StringBuffer();
for (int i = 0; i < rawData.length; i++) {
printable.append(carr[((rawData[i] & 0xF0) >> 4)]);
printable.append(carr[(rawData[i] & 0x0F)]);
}
String phpbbPassword = printable.toString();
System.out.println("PHPBB : " + phpbbPassword);
System.out.println("MVNFORUM : " + getMD5_Base64(password));
System.out.println("PHPBB->MVNFORUM : " + getBase64FromHEX(phpbbPassword));
}
}
|