On Structural Signatures for Tree Data Structures

  • Kai Samelin
  • Henrich C. Pöhls
  • Arne Bilzhause
  • Joachim Posegga
  • Hermann de Meer
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7341)


In this paper, we present new attacks on the redactable signature scheme introduced by Kundu and Bertino at VLDB ’08. This extends the work done by Brzuska et al. at ACNS ’10 and Samelin et al. at ISPEC ’12. The attacks address unforgeability, transparency and privacy. Based on the ideas of Kundu and Bertino, we introduce a new provably secure construction. The corresponding security model is more flexible than the one introduced by Brzuska et al. Moreover, we have implemented the schemes introduced by Brzuska et al. and Kundu and Bertino. The practical evaluation shows that schemes with a quadratic complexity become unuseable very fast.


Signature Scheme Random Oracle Structural Signature Secure Scheme Tree Data Structure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Kai Samelin
    • 1
  • Henrich C. Pöhls
    • 2
  • Arne Bilzhause
    • 2
  • Joachim Posegga
    • 2
  • Hermann de Meer
    • 1
  1. 1.Chair of Computer Networks and Computer CommunicationUniversity of PassauGermany
  2. 2.Chair of IT-Security, Institute of IT-Security and Security Law (ISL)University of PassauGermany

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