Here you can find the source of xorArray(byte[] array, byte[] mask)
public static void xorArray(byte[] array, byte[] mask)
//package com.java2s; public class Main { public static void xorArray(byte[] array, byte[] mask) { final int len = Math.min(array.length, mask.length); for (int i = 0; i < len; ++i) { array[i] ^= mask[i];/* www. j a v a 2s . c om*/ } } }