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DRM vs TM

DRM vs TM

Posted Feb 10, 2007 23:01 UTC (Sat) by man_ls (guest, #15091)
In reply to: DRM vs TM by bronson
Parent article: Bitfrost: the OLPC security model

I would say that Trusted Computing is a well defined concept, or at least it was until vendors started marketing it. OTOH DRM was always snake oil, and still is today. Maybe that is why authoritative definitions are hard to find. Look at this one (in PDF):

Digital Rights Management (DRM) is a system to protect high-value digital assets and control the distribution and usage of those digital assets.
It comes from an academic paper, but the "high value" part is not very objective: DRM can also be used for low-value garbage.

As to the examples you cite: Tivoization is a form of DRM only because it is used to protect digital content (digitized TV in this case). The article in Dr Dobb's Journal talks about protection of content and restriction of document distribution.

Even if the press and the general public misuse the term, that is IMHO no excuse for spreading bad usage. DRM protects content by whatever means, even if it's just a remotely controlled daemon setting directory permissions. After all, Adobe's protected PDF's rely on something like a bit set on a file.


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