Identity-based identification without random oracles

  • Authors:
  • Kaoru Kurosawa;Swee-Huay Heng

  • Affiliations:
  • Department of Computer and Information Sciences, Ibaraki University, Ibaraki, Japan;Multimedia University, Jalan Ayer Keroh Lama, Melaka, Malaysia

  • Venue:
  • ICCSA'05 Proceedings of the 2005 international conference on Computational Science and Its Applications - Volume Part II
  • Year:
  • 2005

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Abstract

This paper shows identity-based (ID-based) identification schemes which are provably secure in the standard model. The schemes are derived from Boneh-Boyen signature scheme, a signature scheme which is provably secure in the standard model based on the strong Diffie-Hellman assumption. More precisely, we present two canonical schemes, namely, a scheme which is secure against impersonation under passive attack, and a scheme which is secure against impersonation under active and concurrent attacks.