What Security Can We Achieve Within 4 Rounds?
Journal of Cryptology, pp. 1200-1262, 2019.
Abstract:
Katz and Ostrovsky (Crypto 2004) proved that five rounds are necessary for stand-alone general black-box constructions of secure two-party protocols and at least four rounds are necessary if only one party needs to receive the output. Recently, Ostrovsky, Richelson and Scafuro (Crypto 2015) proved optimality of this result by showing how ...More
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