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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 32-901
Full Name: Defa Hu
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Hunan Univ., Changhsa, 410082, Hunan, China
Country: CHINA
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E-mail address: hdf666@163.com
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Title of the Paper: An efficient asymmetric fingerprinting scheme
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Number of paper pages: 10
Abstract: Asymmetric fingerprinting has appeared as a technique for copyright protection, where the honest merchant can trace the traitor by means of the embedded fingerprint and the innocent customer is immune of being framed due to the asymmetric property of the fingerprinting. However, existing schemes are inefficient in practice for their high bandwidth usage. In this paper, we propose a new asymmetric fingerprinting scheme which is efficient from the bandwidth point of view. We reduce the bandwidth usage in two aspects. First, symmetric encryption along with a partial encryption algorithm instead of public-key encryption is performed on the media content, which can reduce the complexity and not expand the size of the ciphertext too much. Second, multicast that is an efficient transport technology for one-to-many communication is exploited to transmit the multimedia data, which can reduce the bandwidth usage significantly.
Keywords: Asymmetric fingerprinting, Digital copyright protection, Secure distribution, Multicast, Collusion attack, Traitor tracing
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