HashUtils.java

/*
 * Copyright (C) 2013 RoketGamer <http://roketgamer.com> and contributors.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

package com.roketgamer.util;

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

public class HashUtils {
	
	/**
	 * Returns an md5 hash of a String.
	 * @param md5
	 * @return
	 */
	public static String MD5(String md5) {
		try {
			MessageDigest md = MessageDigest.getInstance("MD5");
			byte[] array = md.digest(md5.getBytes());
			StringBuffer sb = new StringBuffer();
			
			for (int i = 0; i < array.length; ++i) {
				sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1,3));
			}
			
			md5 = null;
			
			return sb.toString();
		} catch (NoSuchAlgorithmException e) {}
		
		return null;
	}
}