When It’s All Just Too Much: Outsourcing MPC-Preprocessing

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DOI

  • Peter Scholl
  • Nigel P. Smart, Bristol University
  • ,
  • Tim Wood, Bristol University

Many modern actively secure multi-party computation protocols make use of a function- and input-independent pre-processing phase. This pre-processing phase is tasked with producing some form of correlated randomness and distributing it to the parties. Whilst the “online” phase of such protocols is exceedingly fast, the bottleneck comes in the pre-processing phase. In this paper we examine situations in which the computing parties in the online phase may want to outsource the pre-processing phase to another set of parties, or to a sub-committee. We examine how this can be done, and also describe situations where this may be a benefit.

OriginalsprogEngelsk
TitelCryptography and Coding - 16th IMA International Conference, IMACC 2017, Proceedings
RedaktørerMáire O'Neill
Antal sider23
Vol/bind10655
ForlagSpringer VS
Udgivelsesår2017
Sider77-99
ISBN (trykt)9783319710440
DOI
StatusUdgivet - 2017
Begivenhed16th IMA International Conference on Cryptography and Coding, IMACC 2017 - Oxford, Storbritannien
Varighed: 12 dec. 201714 dec. 2017

Konference

Konference16th IMA International Conference on Cryptography and Coding, IMACC 2017
LandStorbritannien
ByOxford
Periode12/12/201714/12/2017
SerietitelLecture Notes in Computer Science
Vol/bind10655
ISSN0302-9743

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