Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.security.SecureRandom;

public class Main {
    final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();

    public static String getRandomHexKey() {
        return bytesToHex(getRandomKey());
    }

    public static String bytesToHex(byte[] bytes) {
        char[] hexChars = new char[bytes.length * 2];
        for (int j = 0; j < bytes.length; j++) {
            int v = bytes[j] & 0xFF;
            hexChars[j * 2] = hexArray[v >>> 4];
            hexChars[j * 2 + 1] = hexArray[v & 0x0F];
        }
        return new String(hexChars);
    }

    public static byte[] getRandomKey() {
        byte[] keybytes = new byte[16];
        SecureRandom sr = new SecureRandom();
        sr.nextBytes(keybytes);
        return keybytes;
    }
}