Re: Intertrust Universal DRM
Mike Melanson <[email protected]>
| Newsgroups | gmane.comp.video.xine.codec.devel |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 16 Dec 2003, Michael Roitzsch wrote: > > I wonder if licensing will be available to open source projects? > > Unlikely. > > Impossible. True (I sort of meant my original post to be sarcastic, but didn't put enough effort into it...:) > At least from the crypto standpoint: > * since DRM clients need to authenticate themselves against the content > provider, they need to posess a secret credential > * since it is impossible (without hardware support like TPMs) to > securely store a credential in user-controlled space in the client > machine, the credential has to be something secret in the software > itself > * therefore the system (and all other current DRM systems) is inherently > closed-source True, and this is something a lot of people don't realize about DRM systems-- there has to be a single point of control. It bugs me when techno-utopians write about their visions of "open" DRM systems. Contradiction. That's why I thought it was so funny (and annoying and confusing) when Real announced they would "open" their technologies. -- -Mike Melanson ------------------------------------------------------- This SF.net email is sponsored by: IBM Linux Tutorials. Become an expert in LINUX or just sharpen your skills. Sign up for IBM's Free Linux Tutorials. Learn everything from the bash shell to sys admin. Click now! http://ads.osdn.com/?ad_id=1278&alloc_id=3371&op=click