Copy the elements of byte array from the start to the end - Android java.lang

Android examples for java.lang:array copy

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Description

Copy the elements of byte array from the start to the end

Demo Code

/**//w  w w .  j  ava  2  s . c o  m
     * Fixes for the RNG as per
     * http://android-developers.blogspot.com/2013/08/some-securerandom-thoughts.html
     * <p/>
     * This software is provided 'as-is', without any express or implied
     * warranty. In no event will Google be held liable for any damages arising
     * from the use of this software.
     * <p/>
     * Permission is granted to anyone to use this software for any purpose,
     * including commercial applications, and to alter it and redistribute it
     * freely, as long as the origin is not misrepresented.
     * <p/>
     * Fixes for the output of the default PRNG having low entropy.
     * <p/>
     * The fixes need to be applied via {@link #apply()} before any use of Java
     * Cryptography Architecture primitives. A good place to invoke them is in
     * the application's {@code onCreate}.
     */
//package com.java2s;

public class Main {
    /**
     * Copy the elements from the start to the end
     *
     * @param from  the source
     * @param start the start index to copy
     * @param end   the end index to finish
     * @return the new buffer
     */
    private static byte[] copyOfRange(byte[] from, int start, int end) {
        int length = end - start;
        byte[] result = new byte[length];
        System.arraycopy(from, start, result, 0, length);
        return result;
    }
}

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