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- W2168578046 abstract "핑거프린팅 기법은 암호학적인 기법들을 이용하여 디지털 데이터를 불법적으로 재배포한 사용자를 찾아냄으로써 디지털 데이터의 저작권을 보호하기 위해 사용된다. 핑거프린팅 기법은 구매자의 프라이버시 보호를 위하여 익명성과 비대칭성을 보장할 수 있어야 하므로, 이산대수 문제나 그래프 동형 문제와 같은 어려운 문제들에 기반하거나 공개키 암호 시스템을 이용한다. 그러나 이러한 기법들은 많은 계산량을 필요로 하기 때문에 계산능력이 낮은 모바일 환경에 적합하지 않다. 본 논문에서는 구매자의 익명성과 비대칭성을 만족하면서 모바일 환경에서 콘텐츠를 보호하기 위한 효율적인 핑거프린팅 기법을 제안한다. 제안한 기법에서는 에이전트의 개념을 이용하고, 콘텐츠 암호화를 위하여 대칭키 암호 시스템을 이용함으로써 효율성을 향상시켰다. 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." @default.
- W2168578046 created "2016-06-24" @default.
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- W2168578046 date "2008-06-30" @default.
- W2168578046 modified "2023-10-16" @default.
- W2168578046 title "Fingerprinting Scheme for Contents Protection in Mobile Environment" @default.
- W2168578046 cites W1553394166 @default.
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- W2168578046 doi "https://doi.org/10.3745/kipstc.2008.15-c.3.167" @default.
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