Md5Hash.java

/*
 * PinDroid - http://code.google.com/p/PinDroid/
 *
 * Copyright (C) 2010 Matt Schmidt
 *
 * PinDroid 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 3 of the License,
 * or (at your option) any later version.
 *
 * PinDroid 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 PinDroid; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package com.pindroid.util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Md5Hash {

	public static String md5(String s){
	    try {
	        // Create MD5 Hash
	        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
	        digest.update(s.getBytes());
	        byte messageDigest[] = digest.digest();
	        
	        // Create Hex String
	        StringBuffer hexString = new StringBuffer();
	        for (int i = 0; i < messageDigest.length; i++) {
                String h = Integer.toHexString(0xFF & messageDigest[i]);
                while (h.length() < 2) h = "0" + h;
                    hexString.append(h);
	        }

	        return hexString.toString();
	        
	    } catch (NoSuchAlgorithmException e) {
	        e.printStackTrace();
	    }
	    return "";
	}
}