using System;

using System.IO;

using System.Text;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        EncriptString("This is my text");

    }

    public static void EncriptString(string plainText)

        {

        using (Aes aesAlg = Aes.Create())

        {

            Console.WriteLine($"realString: {Convert.ToBase64String(aesAlg.Key)}");

            Console.WriteLine($"realString: {Convert.ToBase64String(aesAlg.IV)}");

        }

    }

}