using System;

public class Program

{

    public static void Main()

    {

        // Define a byte array.

       byte[] bytes = { 00,00,00,00,00,00 };

       Console.WriteLine("The byte array: ");

       Console.WriteLine("   {0}\n", BitConverter.ToString(bytes));

​

       // Convert the array to a base 64 string.

       string s = Convert.ToBase64String(bytes);

       Console.WriteLine("The base 64 string:\n   {0}\n", s);

​

       // Restore the byte array.

       byte[] newBytes = Convert.FromBase64String(s);

       Console.WriteLine("The restored byte array: ");

       Console.WriteLine("   {0}\n", BitConverter.ToString(newBytes));

    }

}