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Paper 2013/143

An architecture for practical actively secure MPC with dishonest majority

Marcel Keller and Peter Scholl and 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.

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Implementation
Publication info
Published elsewhere. Minor revision. ACM-CCS 2013
DOI
10.1145/2508859.2516744
Contact author(s)
nigel @ cs bris ac uk,m keller @ bristol ac uk,Peter Scholl @ bristol ac uk
History
2013-10-04: last of 2 revisions
2013-03-13: received
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Short URL
https://ia.cr/2013/143
License
Creative Commons Attribution
CC BY
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