funsec mailing list archives

Re: Sony, Rootkits and Digital Rights Management Gone Too Far


From: Drsolly <drsollyp () drsolly com>
Date: Wed, 2 Nov 2005 14:06:38 +0000 (GMT)

Of course, that is not how the DMCA is written.  The DRM developer/ 
rights-holder/etc is not, under the DMCA, under any obligation to 
implement "good" or "sound" or "proper" DRM.  They basically just have 
to do _something_ they claim protects their rights.  It could be as 
trivial as XOR'ing the digital data stream with a fixed byte/word/dword 
and anyone who eye-balled the protected data and recognized the 
"obvious" pattern of the plaintext data with an XOR overlay would open 
themselves to prosecution (at least, if they ever uttered a description 
of this "protection").

Maybe they could publish such a description, but then protect that
publication with their own DRM, perhaps using rot13 or something more
difficult. Then if they get sued for DMCA breach, they can countersue for
DCMA breach?

But I don't claim to be any sort of expert on stupid American laws.
 

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