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http://dx.doi.org/10.3745/KIPSTC.2008.15-C.3.167

Fingerprinting Scheme for Contents Protection in Mobile Environment  

Yong, Seung-Lim (인하공업전문대학 컴퓨터시스템과)
Lee, Sang-Ho (이화여자대학교 컴퓨터학과)
Publication Information
The KIPS Transactions:PartC / v.15C, no.3, 2008 , pp. 167-172 More about this Journal
Abstract
Fingerprinting scheme supports the copyright protection to track redistributors of digital content using cryptographic techniques. Fingerprinting schemes should guarantee buyer's anonymity and asymmetry for their privacy. Most of known fingerprinting schemes adopt public-key cryptosystems to achieve asymmetry and discrete logarithm problem or graph isomorphism problem to achieve anonymity. However, these schemes are not suited in mobile environment because of the drawbacks of requiring high computational complexity. In this paper, we propose an efficient fingerprinting scheme for mobile environment to provide not only asymmetry of the protocol but also transaction anonymity of the buyer. By employing symmetric encryption to encrypt the digital content and adopting agent to perform the protocols, the efficiency of the proposed scheme is improved.
Keywords
Contents protection; Fingerprinting scheme; Symmetric encryption system; Mobile environment; Agent;
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