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Title: Buyer-seller watermarking protocol in digital cinema
Keywords: DRM, watermarking, fingerprinting, encryption, cinema, WCA
Issue Date: 27-Jan-2006
Citation: HADY GUNAWAN (2006-01-27). Buyer-seller watermarking protocol in digital cinema. ScholarBank@NUS Repository.
Abstract: The buyer-seller watermarking protocol has been proposed as the solution to customera??s right problem. Requiring buyers to participate in the watermarking process, this concept successfully eliminates the possibility of seller falsely implicating and framing an innocent buyer. Unfortunately, every existing solution relies on the trustworthiness of a third party called Watermark Certification Authority (WCA) to solve the problem. As these protocols were, in the first place, assembled to eliminate the assumption on sellera??s honesty, a requirement of a new trusted third party is undesirable. In this thesis, we propose three buyer-seller watermarking protocols that do not require the participation of WCA. The watermark generator role is shifted to either buyer or seller, while still ensuring the validity and the secrecy of watermark embedded. Consequently, the seller has no way to reproduce the content copy a buyer receives and the buyer is not able to remove the watermark without rendering the content useless.
Appears in Collections:Master's Theses (Open)

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