[A83] Re: App signing

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: App signing
From: Hyperbyte <hyper@hysoft-automation.com>
Date: Tue, 26 Jun 2001 18:02:33 +0200 (CEST)
In-Reply-To: <027b35513151a61NET013S@hetnet.nl> from "Henk Poley" at Jun 26, 2001 04:58:34 PM
Reply-To: assembly-83@lists.ticalc.org


I don't think it fills the app up to the next 16k barrier,
from what I discovered, It just adds 020000020000FA to the file, 
while preserving the intel hex structure

BTW,
I don't consider peeking with a hexeditor Reverse Engineering.
It's not as if you were to steal their code...

> 
> 
> > Van: Gavin Olson <gtolson@snet.net>
> >
> > >> Forgot to mention, I asked TI for the rabsig source (calcsig.c),
> > >> now to see if I really get it from them :-)
> > >
> > >I see you have looked some further inside the exes themselves, also
> found
> > >the html-page with a commercial about lipstick? Any idea what it's doing
> > >there? Probably a joke from Ti programmers ;-)
> > >
> > >Or just to fill their fillapp-program?
> > 
> > Whatever it takes to fill the full 16K :-)
> 
> Uhm, sorry, but the fillapp program is a DOS32 program, not a Flash-app...
> It's probably used to fill your .hex file up to the next 16k 'barrier'. If
> you want to see what I'm talking about, download the files Hyperbyte send a
> link to, and hex-edit (..read-only..) the fillapp.exe (btw: it's somewhat
> illegal, but since you probably don't know anything about x86
> (dis)assembly, never mind.)
> 
> 	Henk Poley
> 
> 
> 
>

References:

[A83] Re: App signing

From: "Henk Poley" <HPoley@DDS.nl>