Welcome to the resource topic for 2007/386
Title:
(Convertible) Undeniable Signatures without Random Oracles
Authors: Tsz Hon Yuen, Man Ho Au, Joseph K. Liu, Willy Susilo
Abstract:We propose a convertible undeniable signature scheme without random oracles. Our construction is based on Waters’ and Kurosawa and Heng’s schemes that were proposed in Eurocrypt 2005. The security of our scheme is based on the CDH and the decision linear assumption. Comparing only the part of undeniable signatures, our scheme uses more standard assumptions than the existing undeniable signatures without random oracles due to Laguillamie and Vergnaud.
ePrint: https://eprint.iacr.org/2007/386
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