Re: CPRM copy protection for ATA drives

2001-01-02 Thread Erik Mouw
On Tue, Jan 02, 2001 at 04:15:02PM -0800, Andre Hedrick wrote: > However each key is to broadcasts its identity for the authorized > host/application. This every license that uses CPRM is trackable. Since > the method is exotic enough and you can only get the matrix pillars from > the LC4 people

Re: CPRM copy protection for ATA drives

2001-01-02 Thread Andre Hedrick
I will explain later... However each key is to broadcasts its identity for the authorized host/application. This every license that uses CPRM is trackable. Since the method is exotic enough and you can only get the matrix pillars from the LC4 people, crack will be tough. There is a 1Meg hidde

Re: CPRM copy protection for ATA drives

2001-01-02 Thread Rob Landley
Andre Hedrick wrote: > > On Tue, 2 Jan 2001, Rob Landley wrote: > > > And we all remember how the pirates got around this, don't we? The easy > > way: crack the program. > > Nope...it is embedded to the vender portion of the media. My point was that using this kind of thing to protect appli

Re: CPRM copy protection for ATA drives

2001-01-02 Thread Andre Hedrick
On Tue, 2 Jan 2001, Rob Landley wrote: > And we all remember how the pirates got around this, don't we? The easy > way: crack the program. Nope...it is embedded to the vender portion of the media. > There's nothing new under the sun, and the "zero day warez" people never > even broke stride de

Re: CPRM copy protection for ATA drives

2001-01-02 Thread Rob Landley
> Its probably very hard to defeat. It also in its current form means > you can throw disk defragmenting tools out. Dead, gone. Welcome to > the United Police State Of America. Doesn't anybody remember the days of "dongle keys" on the Commodore 64? Plug a special circuit into the joystick port

Re: CPRM copy protection for ATA drives

2000-12-20 Thread Alan Cox
> Does anyone have any details on this? I presume that the drive > firmware is capable of identifying copy-protected data during > a write. I also presume that nobody on lkml would condone It seems to be very similar to the DVD stuff, including ideas for play once only blocks and the like. Pay pe

CPRM copy protection for ATA drives

2000-12-20 Thread lk
I read this article on theregister today: http://www.theregister.co.uk/content/2/15620.html Does anyone have any details on this? I presume that the drive firmware is capable of identifying copy-protected data during a write. I also presume that nobody on lkml would condone such a terrible idea. I