using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

         using (var aes = Aes.Create())

         {

             aes.GenerateIV();

             Console.WriteLine(Convert.ToBase64String(aes.IV));

             Console.WriteLine(Convert.ToBase64String(aes.Key));

         }

    }

}

​

​