using System;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        var aes = new AesManaged();

        aes.GenerateIV();

        aes.GenerateKey();

        Console.WriteLine("iv: " + Convert.ToBase64String(aes.IV));

        Console.WriteLine("key: " + Convert.ToBase64String(aes.Key));

    }

}