Chameleon hash without key exposure based on Schnorr signature

  • Authors:
  • Wei Gao;Fei Li;Xueli Wang

  • Affiliations:
  • College of Mathematics and Information, Ludong University, Yantai, 264025, PR China;College of Mathematics and Information, Ludong University, Yantai, 264025, PR China;College of Mathematics Science, South China Normal University, Guangzhou, 510630, PR China

  • Venue:
  • Computer Standards & Interfaces
  • Year:
  • 2009

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Abstract

Based on the famous Schnorr signature scheme, we propose a new chameleon hash scheme which enjoys all advantages of the previous schemes: collision-resistant, message-hiding, semantic security, and key-exposure-freeness.