CRYPTO '93 Proceedings of the 13th Annual International Cryptology Conference on Advances in Cryptology
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
Traitor tracing for prerecorded and recordable media
Proceedings of the 4th ACM workshop on Digital rights management
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The Advanced Access Content System (AACS) is the copy protection scheme for the new generation of high-definition DVD movies. Fundamentally,AACS is based on crypto-graphic principles. However, it has found a limited use for digital watermarking: first for playback control, and then, to a lesser extent,for forensics. This paper characterizes the forensic approach, and then describes AACS's "theatrical" and "consumer "watermarks and how they are used.