"Palladium" Patent US 6330670

[Anthony Naggs]

In message <E17ONvQ-00083M-00@wisbech.cl.cam.ac.uk>, Markus Kuhn
<Markus.Kuhn@cl.cam.ac.uk> wrote
>John Young wrote on 2002-06-28 20:57 UTC:
>> For those who have not seen it, here's the Microsoft patent 
>> for proto-Palladium which was published last December and
>> provides details on how it is supposed to work:
>> 
>>   http://cryptome.org/ms-drm-os.htm
>
>Thanks. For all you patent lawyers out there, I might be able to offer
>published prior art for many of the more generic claims in U.S. patent
>6,330,670.

At a first glance Palladium/TCPA seems to walk all over territory
covered in the 1980's in places like the Bell-La Padula Security Model
and Dr Fred Cohen's treatises on computer viruses.  Maybe my memory is
exaggerating what they covered, I don't have the source material here to
compare.


Tony
-- 
"It's the sort of thing that happens.  It's ... er ... magic."