On Thu, Aug 20, 2009 at 10:11 PM, decoder<deco...@own-hero.net> wrote: > Robert Millan wrote: >>> >>> This is wrong. Smartcards of course have a an interface to interact with >>> them. >>> >> >> Yes, but it's usually just a button or similar. It doesn't behave like a >> computer. >> > > What I meant is the software interface. There are crypto protocols to > interact with a smartcard and they are similar to the TPM protocols. TPM has TCG bootpath smartcards don't have. > The TPM module itself does not implement DRM either... It provides the > necessary crypto routines, a smartcard does so too. But it can be made to give the key only if you use Crippleware Reader on Cripple OS with all drivers signed. > You can use a smartcard as well for that purpose. Crippleware Reader 2.0 can > cryptographically make sure that the smartcard is attached, and refuse to > work otherwise. And you can make the Smartcard a requirement to read the > book. > Few hours of PrintScreen job and I have DRM-free version of book. Or I dump the memory of Crippleware reader. Or write Good Alternative Reader. But with TCG bootpath these ways can be disabled > I don't really see the point why people keep bashing the TPM module for > purposes like DRM. TCG bootpath with cryptographical distinguishibility from an emulator even if you aren't computer owner (the one who bought it).
-- Regards Vladimir 'phcoder' Serbinenko Personal git repository: http://repo.or.cz/w/grub2/phcoder.git _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
