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On the Security of an Efficient Attribute-Based Signature

  • Yan Zhang
  • Dengguo Feng
  • Zhengfeng Zhang
  • Liwu Zhang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7873)

Abstract

In CT-RSA 2011, Maji et.al proposed an attribute-based signature (ABS) scheme, which is the most efficient ABS scheme that supports general predicates until now. They claimed that their ABS scheme is unforgeable under generic group model. Unfortunately, we found a forgery attack on this ABS scheme. In this paper, we firstly give a forgery example, then analyze the reason cause this attack and gives the conditions this attack worked. We found this attack is fatal to Maji et.al’s ABS scheme.

Keywords

Attribute-based signature cryptoanalysis 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Yan Zhang
    • 1
  • Dengguo Feng
    • 1
  • Zhengfeng Zhang
    • 1
  • Liwu Zhang
    • 1
  1. 1.Institute of SoftwareChinese Academy of SciencesBeijingChina

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