From: "Rich" 

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   The only statements I can see gutman making on this subject follow

  (Exactly what will happen when a key is leaked depends on how the =
attackers
  handle it.  The way HD-DVD/Blu-Ray keying works is that a per-device =
key is
  used to decrypt the title key on the disk, and the title key is then =
in turn
  used to decrypt the content.  So the chain of custody is Device key -> =
Title
  key -> Content.  This level of indirection allows an individual device =
to be
  disabled by revoking the device key without making the disk unplayable =
on all
  devices, since other device keys can still decrypt the title key and =
thus the
  content (I've simplified this a bit to cut down the length of the =
explanation,
  see the AACS specification for more details).

As he notes, this is part of AACS and has nothing to do with Windows.  I =
suggest to visit http://www.aacsla.com/specifications/ which gutman = can't
be bothered to provde.  This is no surprise given the general lack = of
factual support throughout his rant. =20

As for your specific question, why would an HDDVD player have a driver?  =
I don't see any need for one.

Rich



  "Geo."  wrote in message
news:4595bc1a{at}w3.nls.net...

  "Rich"  wrote in message news:4595a176{at}w3.nls.net...
  >>   Of course because there are many from the slashdot editors on =
down that=20
  >> will post anything anti-Microsoft or agree with such without regard =
to=20
  >> the truth or silliness.  Aside from the fact that he claims are all =

  >> unsupported and he appears to have never used Vista, he doesn't =
appear to=20
  >> care that the claims are fiction.  Look at his first claim<<

  Is it true that if some HDDVD player had it's driver hacked so that =
people=20
  could copy the HD content, microsoft could disable the driver?

  Geo.=20

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   The only
statements I can =
see gutman=20
making on this subject follow
 

  (Exactly what will happen when a key is leaked depends on how the =

  attackershandle it.  The way HD-DVD/Blu-Ray keying works is =
that a=20
  per-device key isused to decrypt the title key on the disk, and =
the title=20
  key is then in turnused to decrypt the content.  So the chain =
of=20
  custody is Device key -> Titlekey ->
Content.  This =
level of=20
  indirection allows an individual device to bedisabled by revoking =
the=20
  device key without making the disk unplayable on alldevices, since =
other=20
  device keys can still decrypt the title key and thus thecontent =
(I've=20
  simplified this a bit to cut down the length of the =
explanation,see the=20
  AACS specification for more details).
 
As he notes, this is part of AACS and =
has nothing=20
to do with Windows.  I suggest to visit http://www.aacsla.com/spec" target="new">http://www.aacsla.com/spec=">http://www.aacsla.com/specifications/">http://www.aacsla.com/spec=
ifications/ which=20
gutman can't be bothered to provde.  This is no surprise given the
= general=20
lack of factual support throughout his rant.  
 
As for your specific question, why =
would an HDDVD=20
player have a driver?  I don't see any need for
one.
 
Rich
 
 
 

  "Geo." <georger{at}nls.net>">mailto:georger{at}nls.net">georger{at}nls.net>
wrote=20
  in message news:4595bc1a{at}w3.nls.net..."Rich"=20
  <{at}> wrote in message news:4595a176{at}w3.nls.net...>=
>  =20
  Of course because there are many from the slashdot editors on down =
that=20
  >> will post anything anti-Microsoft or agree with such =
without=20
  regard to >> the truth or silliness. 
Aside from the =
fact that=20
  he claims are all >> unsupported and he appears to have =
never used=20
  Vista, he doesn't appear to >> care that the claims are=20
  fiction.  Look at his first
claim<<Is it true that =
if some=20
  HDDVD player had it's driver hacked so that people could copy the =
HD=20
  content, microsoft could disable the driver?Geo.=20


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