Here you can find the source of xor(List
static byte[] xor(List<byte[]> blocs)
//package com.java2s; /* ======================================================================== * PlantUML : a free UML diagram generator * ======================================================================== * * (C) Copyright 2009-2014, Arnaud Roques * * Project Info: http://plantuml.sourceforge.net * // w w w . j a va2 s. c o m * This file is part of PlantUML. * * PlantUML 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. * * PlantUML 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * Original Author: Arnaud Roques * * Revision $Revision: 8515 $ * */ import java.util.List; public class Main { static byte[] xor(List<byte[]> blocs) { final byte result[] = new byte[blocs.get(0).length]; for (int i = 0; i < result.length; i++) { result[i] = xor(blocs, i); } return result; } static byte xor(List<byte[]> blocs, int nb) { byte result = 0; for (byte[] bloc : blocs) { result = (byte) (result ^ bloc[nb]); } return result; } }