Abstract
Copy deterrence is a digital watermarking application which enables a seller to identify the buyers who obtain digital content legally but illegally redistribute it. However, in many buyer-seller watermarking protocols proposed for copy deterrence, the seller has to embed two watermarks into each copy of the digital content before it is sold. In this paper, we propose a new buyer-seller watermarking protocol in which the seller can reduce the number of the embedded watermarks from two to one. The proposed protocol also provides a more efficient solution to the unbinding problem than that of Lei et al’s scheme.
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Foundation item: the National Natural Science Foundation of China (Nos. 60970110, 60972034 and 60773086), the National Basic Research Program (973) of China (No. 2007CB311201) and the Shanghai Leading Academic Discipline Project (No. B412)
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Zeng, P., Cao, Zf. & Lin, H. A new buyer-seller watermarking protocol without double embedding. J. Shanghai Jiaotong Univ. (Sci.) 15, 397–402 (2010). https://doi.org/10.1007/s12204-010-1023-1
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DOI: https://doi.org/10.1007/s12204-010-1023-1