Welcome to the resource topic for 2003/206
Title:
Identity Based Undeniable Signatures
Authors: Benoît Libert, Jean-Jacques Quisquater
Abstract:In this paper, we give a first example of identity based
undeniable signature using pairings over elliptic curves. We
extend to the identity based setting the security model for the
notions of invisibility and anonymity given by Galbraith and Mao
in 2003 and we prove that our scheme is existentially unforgeable
under the Bilinear Diffie-Hellman assumption in the random oracle
model. We also prove that it has the invisibility property under
the Decisional Bilinear Diffie-Hellman assumption and we discuss
about the efficiency of the scheme.
ePrint: https://eprint.iacr.org/2003/206
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