using System;

using System.Security.Cryptography;

​

public class Program

{

     public static string Convert(byte @byte)

    {

      var result = BitConverter.ToString(new[] { @byte }).Replace("-", string.Empty);

      return result;

    }

    public static string Convert(byte[] bytes)

    {

      var result = BitConverter.ToString(bytes).Replace("-", string.Empty);

      return result;

    }

    public static void Main()

    {

        Console.WriteLine(Convert(Aes.Create().Key));

    }

}