Journal of the Korea Institute of Information Security & Cryptology (정보보호학회논문지)

Korea Institute of Information Security and Cryptology (한국정보보호학회)
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Extended Interactive Hashing Protocol

확장된 Interactive Hashing 프로토콜

  • 홍도원 (한국전자통신연구원 정보보호연구본부) ;
  • 장구영 (한국전자통신연구원 정보보호연구본부) ;
  • 류희수 (한국전자통신연구원 정보보호연구본부)
  • Published : 2002.06.01
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Abstract

Interactive hashing is a protocol introduced by Naor, Ostrovsk Venkatesan, $Yung^{[1]}$ with t-1 round complexity and $t^2$ - 1 bits communication complexity for given t bits string. In this paper, we propose more efficiently extended interactive hashing protocol with t/m- 1 round complexity and $t^2$/m - m bits communication complexity than NOVY protocol when m is a divisor of t, and prove the security of this.

Interactive hashing은 Naor, Ostrovsky, Venkatesan, Yung〔1〕에 의해 소개된 프로토콜로 주어진 스트링 크기 t비트에 대해 t-1번의 라운드 복잡도(round complexity)와 $t^2$-1 비트의 전송 복잡도(communication complexity)를 가진다. 본 논문은 t를 나누는 m에 대해서 t/m-1번의 라운드 복잡도와 $t^2$/m - m 비트의 전송 복잡도를 갖는 NOVY 프로토콜보다 효율적으로 확장된 Interactive hashing 프로토콜을 제안하고 그 안전성을 증명한다.

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References

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