Re: Acvtivation Codes based on Hardware Components

From: Sahil Malik [MVP] (
Date: 10/09/05

Date: Sun, 9 Oct 2005 02:44:05 -0400

Sounds completely possible. I've done something like this before.

- Sahil Malik [MVP]
ADO.NET 2.0 book -

"Denis Crotty" <> wrote in message
> Hi All,
> Our company has written an application that gives us a competitive edge.
> The upper management is very concerned with the security of this
> application.
> Our proposed solution is to have the application create a code similar to
> that of a Windows code (25 hex digits) that is derived from various
> information from the users computer. We would then have this code sent to
> our main office where another program will decode it into its original
> information and then generate a different code using a different
> algorithm.
> This second code will then be sent back to the user where it will again be
> decoded. If its information matches the information on the machine the
> program will be allowed to run.
> I am not sure of the feasibility of taking the computer information and
> creating a 25 digit hex string that can then be decoded back into that
> information; is this possible?
> Please comment on this solution,
> --
> Denis Crotty