한국산업정보학회논문지 (Journal of Korea Society of Industrial Information Systems)

한국산업정보학회 (Korea Society of Industrial Information Systems)
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Universal Composability Notion for Functional Encryption Schemes

  • Sadikin, Rifki (School of Electrical Engineering and Computer Science, Kyungpook National University) ;
  • Park, YoungHo (Department of Electronics Engineering, Kyungpook National University) ;
  • Park, KilHoum (School of Electronics Engineering, Kyungpook National University) ;
  • Moon, SangJae (School of Electronics Engineering, Kyungpook National University)
  • 투고 : 2013.05.09
  • 심사 : 2013.06.21
  • 발행 : 2013.06.30
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초록

We have developed an ideal functionality for security requirement of functional encryption schemes. The functionality is needed when we want to show the security of a functional encryption scheme in universal composable (UC) framework. A functionality $F_{fe}$ was developed to represent ideal respond of a functional encryption scheme against any polynomial time active attacker. We show that UC security notion of functional encryption scheme $F_{fe}$ is as strong as fully secure functional encryption in an indistinguishable game with chosen cipher text attack. The proof used a method that showing for any environment algorithm, it can not distinguish ideal world where the attacker play with ideal functionality $F_{fe}$ and real world where the attacker play a fully secure functional encryption scheme.

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참고문헌

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피인용 문헌

  1. Secure Attribute-Based Access Control with a Ciphertext-Policy Attribute-Based Encryption Scheme vol.19, pp.1, 2014, https://doi.org/10.9723/jksiis.2014.19.1.001