Read all 'AACS' posts in Speeds and Feeds
September 10, 2007 5:01 AM PDT
If ever a technology was introduced prematurely, it was digital rights management (DRM). From the DVD Content Scramble System (CSS) to the Advanced Access Content System (AACS) in HD DVD and Blu-ray systems, millions of dollars have been invested in failed attempts to prevent piracy of digital content.
Security is difficult to do right. CSS failed because virtually every element of the system was poorly designed. It used weak 40-bit encryption and was vulnerable to break-once, break-everywhere attacks. CSS continues to be used because it's better than ... Read more
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