On Waters' Signature Scheme

  • Authors:

  • Chik-How Tan

  • Affiliations:

  • The author is with NISlab, Department of Computer Science and Media Technology, Gjøvik University College, Norway. E-mail: chik.tan@hig.no

  • Venue:
  • IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  • Year:
  • 2006

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Abstract

Recently, Waters proposed a provably secure signature schemes in the standard model. In this letter, we analyse the security of this signature scheme. We found that the signature scheme is subjected to key substitution attack and is malleable.