Re: [WM]: software watermarking

[mojtaba mahdavi <mahdavi110@yahoo.com>]

Hi. 
I have read that. Actually I am searching on a way to create an executable that can reveal changes on itself to avoid crack of
softwares. but up to now I have not a complete figure how can I do that. 
Reading that "MD5 To Be Considered Harmful Someday"
gave nothing to me. will you please show me some more guide lines or suggestion if possible. 
regards.
--- Ersin Esen <ersin.esen@bilten.metu.edu.tr> wrote:

> 
> regarding hashing, the following discussion can be
> interesting:
> 
>
http://developers.slashdot.org/developers/04/12/07/2019244.shtml?tid=93&tid=172&tid=8
> 
> embedding the hash into the software itself can be a solution, while 
> keeping the hash unchanged after embedding.
> 
> -ersin esen
> 
> 
> 
> 
> 
> ----- Original Message -----
> From: "mahdavi" <mahdavi@ec.iut.ac.ir>
> To: <watermarking@watermarkingworld.org>
> Cc: <watermarking-owner@watermarkingworld.org>
> Sent: Monday, December 06, 2004 1:35 PM
> Subject: Re: [WM]: software watermarking
> 
> 
> > there must be a hash on your software on server.
> (eg an md5 hash).
> whenever you want to verify file integrity you should calculate
> > hash of your software and compare it to the hash
> on server.
> >
> > On Fri, 03 Dec 2004 16:51:58 +0100 (MET), 2630370
> wrote
> > > hello,
> > >
> > > i'm looking for techniques to produce software
> watermarking, i.e., a
> > > way any user can verify if an application or
> update downloaded from
> > > the internet really has been released by the
> right producer and has
> > > not been alterated.
> > >
> > > i would really appreciate any hint,
> > >
> > > thanks,
> > > mh


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