2017 | OriginalPaper | Buchkapitel
Distinguisher-Dependent Simulation in Two Rounds and its Applications
verfasst von : Abhishek Jain, Yael Tauman Kalai, Dakshita Khurana, Ron Rothblum
Erschienen in: Advances in Cryptology – CRYPTO 2017
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Abstract
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Two-round witness indistinguishable (WI) arguments for \(\mathrm {NP}\) from different assumptions than previously known.
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Two-round arguments and three-round arguments of knowledge for \(\mathrm {NP}\) that achieve strong WI, witness hiding (WH) and distributional weak zero knowledge (WZK) properties in a setting where the instance is only determined by the prover in the last round of the interaction. The soundness of these protocols is guaranteed against adaptive provers.
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Three-round two-party computation satisfying input-indistinguishable security as well as a weaker notion of simulation security against malicious adversaries.
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Three-round extractable commitments with guaranteed correctness of extraction from polynomial hardness assumptions.