Non-delegatable strong designated verifier signature on elliptic curves

  • Authors:
  • Haibo Tian;Xiaofeng Chen;Zhengtao Jiang;Yusong Du

  • Affiliations:
  • School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China;School of Telecommunications Engineering, Xidian University, Xi'an, China;School Of Computer, Communication University of China, Beijing, China;School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China

  • Venue:
  • ICISC'11 Proceedings of the 14th international conference on Information Security and Cryptology
  • Year:
  • 2011

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Abstract

We propose a non-delegatable strong designated verifier signature on elliptic curves. The size of the signature is less than 500 bits considering an 80 bits security strength. It provably satisfies the non-delegatability and signer ambiguity properties. The construction method is a combination of the Schnorr signature and the elliptic curve Diffie-Hellman problem.