Here you can find the source of merge(byte[] signature, byte[] message)
public static byte[] merge(byte[] signature, byte[] message)
//package com.java2s; /**//from ww w . j a v a 2 s.c o m * Copyright 2013 Bruno Oliveira, and individual contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static byte[] merge(byte[] signature, byte[] message) { byte[] result = new byte[signature.length + message.length]; System.arraycopy(signature, 0, result, 0, signature.length); System.arraycopy(message, 0, result, signature.length, message.length); return result; } }