Re: A89: Forming a group to hack 89

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Re: A89: Forming a group to hack 89


At 05:05 PM 12/1/99 -0500, you wrote:
>
>    As I see it we have more than on possible recourse for TI's actions.
>There are, however, some things that would not be worth our time. The main
>on is cracking the 512-bit encryption, as this would take _much_ to long.
>So, without that our hardware version 2.00 friends are seemingly screwed -
>unless we make a program to remedy this problem. I believe there are 3 ways
>to go about this:
>
>(1.) Make a program that executes strings*.

	um...... Exec???


>(2.) Make a Flash Application that copies a string*.

	copies?? what do you mean?

>(3.) Make a program to "jump" into a string* as if it were code.

	This can already be done VERY easily! This is done most of the time on z80
calcs to work with big programs

>
>* (or other variable)
>
>    We would have to do some work to find out if some of these are even
>possible, but that hasn't stopped us before. If we would be able to get any
>of these to work, then we will obviously be able to run larger programs.
>
>    Another problem is these "Flash Applications". There is _no_ way that I
>am _ever_ going to pay for calculator software. The hardware version 1.00
>people will be able (eventually) to change their serial number, allowing for
>wonderful piracy of applications. This could actually help hardware version
>2.00 users. Since there is no way that the calculator decrypts the Flash
>Applications every time it is run then it should be possible to find a way
>to copy the code only of the application. This would then be sent the to the
>hardware version 2.00 users. The only problem with this is that without one
>of the programs that would run code over 8kb, well lets just say that would
>really suck. Even if one of the programs above was developed there would
>still be a limit to the size (non archive memory).
>
>    If anyone would like to join me in trying to do one of these ideas, or
>something else, e-mail me at webmaster@communitycrc.org. If you do e-mail
>me, please state what you would be able to do (program in asm, c, or
>whatever) and I will get back to you with a list of people interested and
>some more ideas of what we could attempt to do.
>
>Sincerely,
> ALT_255 - webmaster@communitycrc.org
>
>
>
>
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