Year: 2007
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AACS: Blacklisting, Oracles, and Traitor Tracing
[Posts in this series: 1, 2, 3, 4, 5, 6, 7.] This is the third post in our discussion of AACS, the encryption scheme used for HD-DVD and Blu-Ray discs. Yesterday Ed explained how it is possible to reverse-engineer a player to learn its secret device keys. With the device keys, you can extract the…
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AACS: Extracting and Using Keys
[Posts in this series: 1, 2, 3, 4, 5, 6, 7.] Let’s continue our discussion of AACS (the encryption scheme used on HD-DVD and Blu-Ray discs) and how it is starting to break down. In Monday’s post I gave some background on AACS and the newly released BackupHDDVD tool. Recall that AACS decryption goes in…
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AACS Decryption Code Released
[Posts in this series: 1, 2, 3, 4, 5, 6, 7.] Decryption software for AACS, the scheme used to encrypt content on both next-gen DVD systems (HD-DVD and Blu-ray), was released recently by an anonymous programmer called Muslix. His software, called BackupHDDVD, is now available online. As shipped, it can decrypt HD-DVDs (according to its…
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2007 Predictions
This year, Alex Halderman, Scott Karlin and I put our heads together to come up with a single list of predictions. Each prediction is supported by at least two of us, except the predictions that turn out to be wrong, which must have slipped in by mistake. Our predictions for 2007: (1) DRM technology will…
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2006 Predictions Scorecard
As usual, we’ll start the new year by reviewing the predictions we made for the previous year. After our surprisingly accurate 2005 predictions, we decided to take more risks having more 2006 predictions, and making them more specific. The results, as we’ll see, were … predictable. Here now, our 2006 predictions, in italics, with hindsight…