[thelist] ASP: getting a computer ID

Craig cd-ml at aardvark.net.au
Fri Sep 3 02:40:06 CDT 2004

Hi Ken,

Compiling a DLL would be ideal, but the people who I target for this script
might not have access to install a COM component on their server.  I'm not
totally sure but I think that a DLL can only be registered on the server by
an admin.


----- Original Message ----- 
From: "Ken Schaefer" <ken.schaefer at gmail.com>
To: <thelist at lists.evolt.org>
Sent: Friday, September 03, 2004 4:27 PM
Subject: Re: [thelist] ASP: getting a computer ID

> You really need to:
> a) compile a .dll - encrypting your ASP pages won't stop anyone
> b) the component can get some information that should be unique to the
> machine (eg a fully qualified domain name, or ethernet MAC address or
> similar). You take this information, and generate a hash value, and
> return it to them as a licence key which they keep on their server.
> The component, when starting up, performs the same calculation. and
> compares the output value to the licence file's key value. If they
> match, then it runs.
> Obviously, not all your clients are going to like this - see how many
> people complain about Microsoft's product activation (or Quicken, or
> Symantec, or any of the other companies that enforce this).
> Cheers
> Ken
> On Fri, 3 Sep 2004 16:19:20 +0930, Craig <cd-ml at aardvark.net.au> wrote:
> > Thanks for your replies so far.
> >
> > I should tell you a bit about what I'm trying to do.
> >
> > I have written an ASP script that lists files/folders.  I want to
> > the script so when I sell the script, they can't see the source-code
> > be encrypted). I need some way of stopping them from just copying the
> > files to any computer they wanted. So I thought if I generated a serial
> > number based on some ID from the server/computer, that they would then
> > be just able to copy it from server to server.  If they wanted to copy
> > script to another server, they would have to request another serial
> >
> > I know there's probably a lot of holes in doing it this way, but I've
> > had any experience selling any of my scripts.
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