2014 | OriginalPaper | Buchkapitel
4-Round Resettably-Sound Zero Knowledge
verfasst von : Kai-Min Chung, Rafail Ostrovsky, Rafael Pass, Muthuramakrishnan Venkitasubramaniam, Ivan Visconti
Erschienen in: Theory of Cryptography
Verlag: Springer Berlin Heidelberg
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While 4-round constructions of zero-knowledge arguments are known based on the existence of one-way functions, constuctions of
resettably-sound
zero-knowledge arguments require either stronger assumptions (the existence of a fully-homomorphic encryption scheme), or more communication rounds. We close this gap by demonstrating a 4- round resettably-sound zero-knowledge argument for NP based on the existence of one-way functions.