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Strong Anonymous Signatures

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Information Security and Cryptology (Inscrypt 2008)

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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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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  • DOI: https://doi.org/10.1007/978-3-642-01440-6_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-01439-0

  • Online ISBN: 978-3-642-01440-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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