using System;

using System.Text;

using System.Web;

public class Program

{

    private static string GetLeadIdAsBase64String(Guid leadId)

{

    byte[] leadIdBytes = leadId.ToByteArray();

    string leadIdBase64 = Convert.ToBase64String(leadIdBytes);

   Console.WriteLine(leadIdBase64);

    Console.WriteLine(string.Join(", ", leadIdBytes));

    return leadIdBase64[..22]; // removes double equals sign (==) in the end as its always there

}

​

private static string GetTrimmedEmailAsBase64String(string email)

{

    string trimmedEmail = email[..5];

    byte[] emailBytes = Encoding.UTF8.GetBytes(trimmedEmail);

    return Convert.ToBase64String(emailBytes);

}

    public static void Main()

    {

        string leadIdBase64String = GetLeadIdAsBase64String(new Guid("bed85163-2bb4-4459-88bc-8afd77c17345"));

string emailBase64String = GetTrimmedEmailAsBase64String("linda295");

​

var encryptUrl = leadIdBase64String + emailBase64String;

// encryptUrl = GetEncryptedString(encryptKey, keySize, encryptUrl);

encryptUrl = HttpUtility.UrlEncode(encryptUrl);

        Console.WriteLine("Hello World:" + encryptUrl);

    }

}