1997 | OriginalPaper | Chapter
Round-Optimal Zero-Knowledge Arguments Based on Any One-Way Function
Authors : Mihir Bellare, Markus Jakobsson, Moti Yung
Published in: Advances in Cryptology — EUROCRYPT ’97
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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We fill a gap in the theory of zero-knowledge protocols by presenting NP-arguments that achieve negligible error probability and computational zero-knowledge in four rounds of interaction, assuming only the existence of a one-way function. This result is optimal in the sense that four rounds and a one-way function are each individually necessary to achieve a negligible error zero-knowledge argument for NP.