Re: protecting time-limited demos
Re: protecting time-limited demos
- Subject: Re: protecting time-limited demos
- From: Esteban Uribe <email@hidden>
- Date: Thu, 17 Apr 2003 16:30:34 -0700
Hi,
On Thursday, April 17, 2003, at 03:49PM, Ron Phillips <email@hidden> wrote:
>
I hate to plug eSellerate because they flirt with dishonesty, but their
>
Integrated eSeller is really good. I have their SDK code working on my
>
app and I am thinking about using them for sales. They just don't have
>
an elegant solution for demos. But they advertise that they do. Ya
>
gotta go through the purchase screens for a 0$ "purchase" to get a
>
time-limited demo license. Then you are all set. Except the customer
>
won't be very happy. An he'll think you are a moron.
Tradeoffs I guess :) Look like a moron, secure your software...hehe ok not a funny joke :)
>
I keep hearing about Licenser Kit. I'm hoping that is the answer.
>
I'll just have to keep probing.
Hmm...that's interesting. I'd like to look at it too. Got link?
>
Esteban, thanks for the response. What I'm getting is a feeling that
>
those that know how to do this ain't talkin' and we lesser beings will
>
just have to figure it out. I don't blame them though. I probably
>
wouldn't talk either.
Well we all know how secure "Security through Obscurity" is ;)
Anyone who wants to break something is going to do it anyways, so might
as well have an open discussion on how to make these people's lives harder.
Also I think i failed to send my reply to the cocoa dev list. The list
has also been a bit inactive for the last few days, so it would not surprise me
if people are just too busy to answer.
I think this has also been discussed a bit, you may want to search the archives
over at
http://cocoa.mamasam.com
-Esteban
>
On Thursday, April 17, 2003, at 05:17 PM, Esteban Uribe wrote:
>
>
> A good article from ambrosia software regarding this is at
>
>
>
> <http://www.ambrosiasw.com/webboard/Forum14/HTML/000052.html>
>
>
>
> I have found this type of "expiring serial codes" idea very
>
> interesting.
>
>
>
>
>
> I believe that OmniGroup has also done this for a couple of their
>
> applications
>
> Particularly OmniObjectMeter (see
>
> <http://store.omnigroup.com/omniobjectmetertrial>
>
> for one day trial license.
>
>
>
> The way it works is that you get a license code that expires about
>
> once a day.
>
>
>
> Assuming you have the resources to set this up, I think this is a
>
> great solution
>
> for protecting demos, etc. Assuming you are forgiving to people that
>
> repeatedly,
>
> sign out for new trial keys. The one up from this could be to set up
>
> a trial key
>
> per e-mail address. So that a person can only sign up for a trial
>
> code once.
>
>
>
> Sure some will just get free mail accounts and use them,
>
> but I think most people will not. Most people will probably use their
>
> primary e-mail
>
> to sign up anyways.
>
>
>
> I've seen a few other companies (non-Mac specific) also have something
>
> similar.
>
>
>
> -Esteban
>
>
>
> <snip>
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