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Implementing Multi-Party Computation Technology

Total Cost €


EC-Contrib. €






Project "IMPaCT" data sheet

The following table provides information about the project.


Organization address
address: OUDE MARKT 13
city: LEUVEN
postcode: 3000

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Belgium [BE]
 Total cost 2˙499˙938 €
 EC max contribution 2˙499˙938 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-10-01   to  2021-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    KATHOLIEKE UNIVERSITEIT LEUVEN BE (LEUVEN) coordinator 2˙356˙385.00
2    UNIVERSITY OF BRISTOL UK (BRISTOL) participant 143˙552.00


 Project objective

The goal of IMPaCT is to turn Multi-Party Computation (MPC) from a stage in which we are beginning to obtain practical feasibility results, to a stage in which we have fully practical systems. It has long been acknowledged that MPC has the potential to provide a transformative change in the way security solutions are enabled. As it presently stands this is currently only possible in limited applications; deployments in restricted scenarios are beginning to emerge. However, in turning MPC into a fully practical technology a number of key scientific challenges need to be solved; many of which have not yet even been considered in the theoretical literature. The IMPaCT project aims to address this scientific gap, bridge it, and so provide the tools for a future road-map in which MPC can be deployed as a widespread tool, as ubiquitous as encryption and digital signatures are today.

Our scientific approach will be to investigate new MPC protocols and techniques which take into account practical constraints and issues which would arise in future application scenarios. Our work, despite being scientifically rigorous and driven from deep theoretical insight, will be grounded in practical considerations. All systems and protocols proposed will be prototyped so as to ensure that practical real world issues are taken into account. In addition we will use our extensive industrial linkages to ensure a two way dialogue between potential users and the developers of MPC technology; thus helping to embed future impact of the work in IMPaCT.

Our workplan is focused around key scientific challenges which we have identified on the road to fully practical MPC applications. These include the design of methodologies to cope with the asynchronicity of networks, how to realistically measure and model MPC protocols performance, how to utilize low round complexity protocols in practice, how to deal with problems with large input sizes (e.g. streaming data), and many more.


year authors and title journal last update
List of publications.
2018 David W Archer, Dan Bogdanov, Yehuda Lindell, Liina Kamm, Kurt Nielsen, Jakob Illeborg Pagter, Nigel P Smart, Rebecca N Wright
From Keys to Databases—Real-World Applications of Secure Multi-Party Computation
published pages: , ISSN: 0010-4620, DOI: 10.1093/comjnl/bxy090
The Computer Journal 2019-04-13
2017 Peter Scholl, Nigel P. Smart, Tim Wood
When It\'s All Just Too Much: Outsourcing MPC-Preprocessing
published pages: 77-99, ISSN: , DOI: 10.1007/978-3-319-71045-7_4
IMACC 2017 2019-06-17
2017 Dragos Rotaru and Nigel P. Smart and Martijn Stam
Modes of Operation Suitable for Computing on Encrypted Data
published pages: , ISSN: 2519-173X, DOI: 10.13154/tosc.v2017.i3.294-324
Transactions on Symmetric Cryptology 2019-06-17
2017 Anamaria Costache, Nigel P. Smart, Srinivas Vivek
Faster Homomorphic Evaluation of Discrete Fourier Transforms
published pages: 517-529, ISSN: , DOI: 10.1007/978-3-319-70972-7_29
FCDC 2017 2019-06-17
2017 David Leslie, Chris Sherfield, Nigel P. Smart
Multi-rate Threshold FlipThem
published pages: 174-190, ISSN: , DOI: 10.1007/978-3-319-66399-9_10
ESORICS 2017 2019-06-17
2017 Cyprien de Saint Guilhem, Nigel P. Smart, Bogdan Warinschi
Generic Forward-Secure Key Agreement Without Signatures
published pages: 114-133, ISSN: , DOI: 10.1007/978-3-319-69659-1_7
ISC 2017 2019-06-17
2017 Martin R. Albrecht, Emmanuela Orsini, Kenneth G. Paterson, Guy Peer, Nigel P. Smart
Tightly Secure Ring-LWE Based Key Encapsulation with Short Ciphertexts
published pages: 29-46, ISSN: , DOI: 10.1007/978-3-319-66402-6_4
ESORICS 2017 2019-06-17
2019 Yehuda Lindell, Benny Pinkas, Nigel P. Smart, Avishay Yanai
Efficient Constant-Round Multi-party Computation Combining BMR and SPDZ
published pages: 1026-1069, ISSN: 0933-2790, DOI: 10.1007/s00145-019-09322-2
Journal of Cryptology 32/3 2019-09-05

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