Journal of applied mathematics & informatics

The Korean Society for Computational and Applied Mathematics (한국전산응용수학회)
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ON EFFICIENT TWO-FLOW ZERO-KNOWLEDGE IDENTIFICATION AND SIGNATURE

  • Lee, Young-Whan (Department of Computer Hacking and Information Security, College of Natural Sciences, Daejeon University)
  • Received : 2010.08.11
  • Accepted : 2011.04.05
  • Published : 2011.05.30
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Abstract

In this paper, we propose an efficient two-flow zero-knowledge blind identification protocol on the elliptic curve cryptographic (ECC) system. A. Saxena et al. first proposed a two-flow blind identification protocol in 2005. But it has a weakness of the active-intruder attack and uses the pairing operation that causes slow implementation in smart cards. But our protocol is secure under such attacks because of using the hash function. In particular, it is fast because we don't use the pairing operation and consists of only two message flows. It does not rely on any underlying signature or encryption scheme. Our protocol is secure assuming the hardness of the Discrete-Logarithm Problem in bilinear groups.

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References

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