random_test.dart

import 'dart:math';
import 'dart:convert';
import 'package:crypto/crypto.dart';

void main(){
  var rnd = new Random();
  var one = rnd.nextInt(pow(2,8*4));
  var two = rnd.nextInt(pow(2,8*4));
  var thr = rnd.nextInt(pow(2,8*3)); 
  List<int> onel = UTF8.encode(one.toString());
  List<int> twol = UTF8.encode(two.toString());
  List<int> thrl = UTF8.encode(thr.toString());
  var ones = CryptoUtils.bytesToBase64(onel);
  var twos = CryptoUtils.bytesToBase64(twol);
  var thrs = CryptoUtils.bytesToBase64(thrl);
  var str = ones + twos + thrs;
  print("${str}");
}