funsec mailing list archives

Re: [IP] AACS DRM cracked by BackupHDDVD tool?


From: "David Lodge" <dave () cirt net>
Date: Thu, 28 Dec 2006 23:30:28 -0000

On Thu, 28 Dec 2006 21:33:44 -0000, Gregory Hicks <ghicks () cadence com> wrote:
Is this possible?  Perish the thought!
[snipple about cracking AACS]

I did a bit of looking into this earlier (bored at work) - it looks like it inadequate protection of keys by PowerDVD. It protects its master key, but fails to protect the title key used to protect the video. From reading the description, it looks like the title key remains in the clear in memory, easily indexed.

So it's not quite a full deCSS, just a technique for obtaining the movie once you have the title key.

It also looks like the poster will post more in the New Year...

dave
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