Here you can find the source of xor(byte[] bytes1, byte[] bytes2)
protected static byte[] xor(byte[] bytes1, byte[] bytes2)
//package com.java2s; /**/*from w w w . ja va 2s. com*/ * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ public class Main { protected static byte[] xor(byte[] bytes1, byte[] bytes2) { byte[] bytes = new byte[bytes1.length]; for (int i = 0; i < bytes1.length; i++) { bytes[i] = (byte) (bytes1[i] ^ bytes2[i % bytes2.length]); } return bytes; } }