[Resource Topic] 2013/143: An architecture for practical actively secure MPC with dishonest majority

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Title:
An architecture for practical actively secure MPC with dishonest majority

Authors: Marcel Keller, Peter Scholl, Nigel P. Smart

Abstract:

We present a runtime environment for executing secure programs via a multi-party computation protocol in the preprocessing model. The runtime environment is general and allows arbitrary reactive computations to be performed. A particularly novel aspect is that it automatically determines the minimum number of rounds needed for a computation, and uses this to minimize the overall cost of the computation. Various experiments are reported on, on various non-trivial functionalities. We show how, by utilizing the ability of modern processors to execute multiple threads at a time, one can obtain various tradeoffs between latency and throughput.

ePrint: https://eprint.iacr.org/2013/143

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