C# Advent Calendar 2015-12-25 #2

CSharp-Advent-Calendar-2015-12-25-2.cs

using System;
using System.Security.Cryptography;

namespace ConsoleApplication2
{
    class BetterRandom
    {
        public int Next()
        {
            using (var provider = new RNGCryptoServiceProvider())
            {

                var bytes = new byte[4];

                provider.GetBytes(bytes);

                var value = BitConverter.ToInt32(bytes, 0) & 0x7fffff;

                return value;
            }
        }
    }

    static class Program
    {
        static void Main(string[] args)
        {
            var random = new BetterRandom();

            for (var i = 0; i < 100; i++)
            {
                var value = random.Next();

                Console.WriteLine(value);
            }
        }
    }
}