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Strong Anonymous Signatures

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Part of the book series:Lecture Notes in Computer Science ((LNSC,volume 5487))

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Abstract

The notion of anonymous signatures has recently been formalized by [18], which captures an interesting property that a digital signature can sometimes hide the identity of the signer, if the message is hidden from the verifier. However, in many practical applications, e.g., an anonymous paper review system mentioned in [18], the message for anonymous authentication is actually known to the verifier. This implies that the effectiveness of previous anonymous signatures may be unjustified in these applications. In this paper, we extend the previous models, and develop a related primitive called strong anonymous signatures. For strong anonymous signatures, the identity of the signer remains secret even if the challenge message is chosen by an adversary. We then demonstrate some efficient constructions and prove their security in our model.

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Author information

Authors and Affiliations

  1. Research Center for Information Security (RCIS), National Institute of Advanced Industrial Science and Technology (AIST), Japan

    Rui Zhang & Hideki Imai

Authors
  1. Rui Zhang

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  2. Hideki Imai

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Editor information

Editors and Affiliations

  1. Computer Science Department, Google Inc. and Columbia University, Room 464, S.W. Mudd Building, 10027, New York, NY, USA

    Moti Yung

  2. College of Information Sciences and Technology, Pennsylvania State University, PA 16802, University Park, USA

    Peng Liu

  3. SKLOIS, Institute of Software, Chinese Academy of Sciences, 100080, Beijing, China

    Dongdai Lin

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© 2009 Springer-Verlag Berlin Heidelberg

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Zhang, R., Imai, H. (2009). Strong Anonymous Signatures. In: Yung, M., Liu, P., Lin, D. (eds) Information Security and Cryptology. Inscrypt 2008. Lecture Notes in Computer Science, vol 5487. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01440-6_7

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