Round-Optimal Blind Signatures from Waters Signatures

  • Authors:
  • Kristian Gjøsteen;Lillian Kråkmo

  • Affiliations:
  • Dept. of Mathematical Sciences, NTNU,;Dept. of Mathematical Sciences, NTNU,

  • Venue:
  • ProvSec '08 Proceedings of the 2nd International Conference on Provable Security
  • Year:
  • 2008

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Abstract

We present a round-optimal blind signature scheme based on Waters' signature scheme. Our construction resembles that of Fischlin [10], but does not rely on generic non-interactive zero-knowledge proofs. In addition to a common reference string, our scheme requires a registered public key for the signer.