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Non-Malleable Multi-Party Computation
Aug. 3, 2022, 10:24 a.m. |
IACR News www.iacr.org
ePrint Report: Non-Malleable Multi-Party Computation
Fuchun Lin
We study a tamper-tolerant implementation security notion for general purpose Multi-Party Computation (MPC) protocols, as an analogue of the leakage-tolerant notion in the MPC literature. An MPC protocol is tamper-tolerant, or more specifically, non-malleable (with respect to a certain type of tampering) if the processing of the protocol under corruption of parties (and tampering of some ideal resource assumed by the protocol) can be simulated by an ideal world adversary who, after the …
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