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Cheater Identification on a Budget: MPC with Identifiable Abort from Pairwise MACs
Oct. 11, 2023, 12:18 p.m. |
IACR News www.iacr.org
ePrint Report: Cheater Identification on a Budget: MPC with Identifiable Abort from Pairwise MACs
Carsten Baum, Nikolas Melissaris, Rahul Rachuri, Peter Scholl
Cheater identification in secure multi-party computation (MPC) allows the honest parties to agree upon the identity of a cheating party, in case the protocol aborts.
In the context of a dishonest majority, this becomes especially critical, as it serves to thwart denial-of-service attacks and mitigate known impossibility results on ensuring fairness and guaranteed output delivery.
In this work, …
budget case cheating computation eprint report identification identity macs mpc party peter protocol report
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