Java tutorial
//package com.java2s; /* * EncFS Java Library * Copyright (C) 2011 Mark R. Pariente * * This program 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 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 Lesser General Public License for more details. */ import java.nio.ByteBuffer; public class Main { private static final int EIGHT = 8; /** * Convert the given long to an 8-byte array * * @param l * A 'long' * * @return An 8-byte array in big endian (MSB) ordering */ public static byte[] convertLongToByteArrayBigEndian(long l) { return ByteBuffer.allocate(Long.SIZE / EIGHT).putLong(l).array(); } }