전자공학회논문지 (Journal of the Institute of Electronics and Information Engineers)

  • 제51권1호
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  • Pages.57-70
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  • 2014
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  • 2287-5026(pISSN)
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  • 2288-159X(eISSN)
대한전자공학회 (The Institute of Electronics and Information Engineers)
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Bilinear Group에서 속성 은닉을 가지는 안전한 내적 암호화 방식

Secure Inner Product Encryption Scheme with Attribute Hiding in Bilinear Groups

  • 투고 : 2013.08.23
  • 발행 : 2014.01.25
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⟨ 이전 논문 다음 논문 ⟩

초록

내적 암호화 방식은 비밀키와 암호문 사이에 파인 그레인 관계를 제공하는 암호학적 프리미티브이다. 본 논문은 완전한 속성 은닉 보호를 수행하는 새로운 IPE 방식을 제안한다. 제안한 IPE 방식은 합성 위수의 bilinear groups에 기반한다. 본 논문에서는 이중 암호화 시스템 체계를 사용하여 제안한 IPE의 완전한 속성 은닉 보호를 증명한다. 성능 분석에서 기존의 IPE 방식들과 제안한 IPE 방식의 연산량과 메모리 할당량을 비교한다.

Inner product encryption (IPE) scheme is a cryptographic primitive that provides fine grained relations between secret keys and ciphertexts. This paper proposes a new IPE scheme which achieves fully attribute hiding security. Our IPE scheme is based on bilinear groups of a composite order. We prove the fully attribute hiding security of our IPE by using dual encryption system framework. In performance analysis, we compare the computation cost and memory requirement of our proposed IPE to other existing IPE schemes.

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참고문헌

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