[Resource Topic] 2018/1078: Two Round Information-Theoretic MPC with Malicious Security

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Title:
Two Round Information-Theoretic MPC with Malicious Security

Authors: Prabhanjan Ananth, Arka Rai Choudhuri, Aarushi Goel, Abhishek Jain

Abstract:

We provide the first constructions of two round information-theoretic (IT) secure multiparty computation (MPC) protocols in the plain model that tolerate any t<n/2 malicious corruptions. Our protocols satisfy the strongest achievable standard notions of security in two rounds in different communication models. Previously, IT-MPC protocols in the plain model either required a larger number of rounds, or a smaller minority of corruptions.

ePrint: https://eprint.iacr.org/2018/1078

Talk: https://www.youtube.com/watch?v=zOSx_WsJpUM

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