Re: A89: Re: How TI's keys work
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Re: A89: Re: How TI's keys work
$300 and $100 for the educational version I believe.
- Matt
Bryan Rabeler wrote:
>
> And how much does the professional version cost?
>
> Bryan
>
> ----- Original Message -----
> From: Mark Scott
> To: 'assembly-89@lists.ticalc.org'
> Sent: Thursday, December 02, 1999 10:51 PM
> Subject: RE: A89: Re: How TI's keys work
>
> * ticalc.org or someone else puts together a fund drive,
> buys professional version, then resells signing service for
> $0.00 to people that submit programs *
>
> Mark E. Scott Jr.
> mscott@databasecity.com
>
> -----Original Message-----
> From: mhlandry [mailto:mhlandry@bellsouth.net]
> Sent: Thursday, December 02, 1999 7:27 PM
> To: assembly-89@lists.ticalc.org
> Subject: Re: A89: Re: How TI's keys work
>
> TI may be crazy, but they were pretty smart when they came
> up with
> this application bit. They will not sign any applications
> unless you
> buy the Educational version (limited amoutn of signs) or the
>
> Professional version (unlimited). As someone previously
> said, (I think
> SMN) the signing is based on these certificates. You get a
> certificate
> with your calculators information, specifically the serial
> number (I
> think). Then they make the app so that it will run on a
> calculator with
> one specified serial number.
> As to you question "Are they crazy?", No. Apps were
> not meant for
> games, but for professional software that could be developed
> by
> professionals (several professors with PHD's were on the sdk
> beta team)
> and sold to schools and the such. Although apps can be used
> for games.
> Hope this will clear things up.
>
> P.S - Someone please correct me if I was wrong on anything
> (*cough* Dan
> E. *cough*)
>
> - Matt
>
> Bryan Rabeler wrote:
> >
> > So are you saying that in genereal, TI won't sign apps if
> you wrote them
> > using the free SDK? Are they crazy? Do they want to stop
> us from making
> > games altogether?
> >
> > Bryan
> >
> > ----- Original Message -----
> > From: "Scott Noveck" <noveck@pluto.njcc.com>
> > To: <assembly-89@lists.ticalc.org>
> > Sent: Thursday, December 02, 1999 4:14 PM
> > Subject: A89: How TI's keys work
> >
> > >
> > > Judging by the 83+ SDK beta, you guys are all waaaaay
> off.
> > >
> > > First of all, the way app signing works is different
> from what you've
> > > described. The application itself is just modified to
> tell the calc that
> > it
> > > requires some "certificate(s)" to run. The certificates
> are what has to
> > be
> > > generated specifically for each serial number, and THESE
> are heavily
> > > encrypted. And I doubt you'll get anything at all out
> of that.
> > >
> > > Second, TI does NOT just sign any app you send them.
> Normally, they'll
> > only
> > > do it for those who BUY the SDK - for all other
> purposes, the free SDK is
> > > just a listing of ROM addresses. The 83+ apps out now -
> like calcsys -
> > were
> > > signed because TI has given us SDK beta testers the
> opportunity to get an
> > > app signed for our work -- actually a fair decision on
> their part.
> > >
> > > Also, the serial number on any HW1 calc can be changed.
> The whole reason
> > > HW2 was released is to fix the security bug allowing ROM
> modification on
> > old
> > > calcs. FYI, it's the same bug Archive Utility uses, and
> although no one's
> > > tried yet the address is known (I've seen it somewhere)
> and it COULD
> > > theoretically be done.
> > >
> > > -Scott
> > >
> > >
> > >
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