Step-Out Ring Signatures

  • Marek Klonowski
  • Łukasz Krzywiecki
  • Mirosław Kutyłowski
  • Anna Lauks
Conference paper

DOI: 10.1007/978-3-540-85238-4_35

Part of the Lecture Notes in Computer Science book series (LNCS, volume 5162)
Cite this paper as:
Klonowski M., Krzywiecki Ł., Kutyłowski M., Lauks A. (2008) Step-Out Ring Signatures. In: Ochmański E., Tyszkiewicz J. (eds) Mathematical Foundations of Computer Science 2008. MFCS 2008. Lecture Notes in Computer Science, vol 5162. Springer, Berlin, Heidelberg

Abstract

We propose a version of ring signatures for which the set of potential signers may be reduced: the real signer can prove that he or she has created the signature, while every other member of the ring can prove not to be the signer. Possibility to run these protocols is triggered by publishing certain secret information. The proposed scheme is an intermediate solution between the classical ring and group signatures, and can be used for instance for e-auction schemes.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Marek Klonowski
    • 1
  • Łukasz Krzywiecki
    • 1
  • Mirosław Kutyłowski
    • 1
  • Anna Lauks
    • 1
  1. 1.Institute of Mathematics and Computer ScienceWrocław University of Technology 

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