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The application of secure multiparty computation (MPC) in machine learning, especially privacy-preserving neural network training, has attracted tremendous attention from the research community in recent years. MPC enables several data…

Cryptography and Security · Computer Science 2021-02-11 Ziyao Liu , Ivan Tjuawinata , Chaoping Xing , Kwok-Yan Lam

Multi-Party Computation (MPC) is a technique enabling data from several sources to be used in a secure computation revealing only the result while protecting the original data, facilitating shared utilization of data sets gathered by…

Cryptography and Security · Computer Science 2020-07-03 Pierre-Francois Wolfe , Rushi Patel , Robert Munafo , Mayank Varia , Martin Herbordt

Secure Multi-Party Computation (MPC) allows mutually distrusting parties to run joint computations without revealing private data. Current MPC algorithms scale poorly with data size, which makes MPC on "big data" prohibitively slow and…

Cryptography and Security · Computer Science 2019-02-19 Nikolaj Volgushev , Malte Schwarzkopf , Ben Getchell , Mayank Varia , Andrei Lapets , Azer Bestavros

Today, we are in the era of big data, and data are becoming more and more important, especially private data. Secure Multi-party Computation (SMPC) technology enables parties to perform computing tasks without revealing original data.…

Cryptography and Security · Computer Science 2023-03-02 Yuanqing Feng , Tao Bai , Songfeng Lu , Xueming Tang , Junjun Wu

In cryptography, secure Multi-Party Computation (MPC) protocols allow participants to compute a function jointly while keeping their inputs private. Recent breakthroughs are bringing MPC into practice, solving fundamental challenges for…

Cryptography and Security · Computer Science 2018-06-01 David Butler , David Aspinall , Adria Gascon

Secure multiparty computation (SMC) is a promising technology for privacy-preserving collaborative computation. In the last years several feasibility studies have shown its practical applicability in different fields. However, it is…

Cryptography and Security · Computer Science 2018-08-03 Marcel von Maltitz , Stefan Smarzly , Holger Kinkelin , Georg Carle

In this work, we consider the problem of secure multi-party computation (MPC), consisting of $\Gamma$ sources, each has access to a large private matrix, $N$ processing nodes or workers, and one data collector or master. The master is…

Information Theory · Computer Science 2020-04-13 Seyed Reza Hoseini Najarkolaei , Mohammad Ali Maddah-Ali , Mohammad Reza Aref

In this work we compare two recent multiparty computation (MPC) protocols for private summation in terms of performance. Both protocols allow multiple rounds of aggregation from the same set of public keys generated by parties in an initial…

Cryptography and Security · Computer Science 2014-03-03 Michael Clear , Constantinos Patsakis , Paul Laird

This paper systematizes knowledge on the performance of Multi-Party Computation (MPC) protocols. Despite strong privacy and correctness guarantees, MPC adoption in real-world applications remains limited by high costs (especially in the…

Cryptography and Security · Computer Science 2025-12-15 Roberta De Viti , Vaastav Anand , Pierfrancesco Ingo , Deepak Garg

Secure multi-party computation (MPC) allows parties to perform computations on data while keeping that data private. This capability has great potential for machine-learning applications: it facilitates training of machine-learning models…

Machine Learning · Computer Science 2022-09-19 Brian Knott , Shobha Venkataraman , Awni Hannun , Shubho Sengupta , Mark Ibrahim , Laurens van der Maaten

In this paper, we design secure multi-party computation (MPC) protocols in the asynchronous communication setting with optimal resilience. Our protocols are secure against a computationally-unbounded malicious adversary, characterized by an…

Cryptography and Security · Computer Science 2022-05-27 Ananya Appan , Anirudh Chandramouli , Ashish Choudhury

Smart grids feature a bidirectional flow of electricity and data, enhancing flexibility, efficiency, and reliability in increasingly volatile energy grids. However, data from smart meters can reveal sensitive private information.…

Cryptography and Security · Computer Science 2024-11-25 Jonas von der Heyden , Nils Schlüter , Philipp Binfet , Martin Asman , Markus Zdrallek , Tibor Jager , Moritz Schulze Darup

Secure multi-party computation (MPC) is a general cryptographic technique that allows distrusting parties to compute a function of their individual inputs, while only revealing the output of the function. It has found applications in areas…

Logic in Computer Science · Computer Science 2019-12-18 Helene Haagh , Aleksandr Karbyshev , Sabine Oechsner , Bas Spitters , Pierre-Yves Strub

In secure multiparty computation (MPC), mutually distrusting users collaborate to compute a function of their private data without revealing any additional information about their data to other users. While it is known that information…

Cryptography and Security · Computer Science 2016-11-17 Deepesh Data , Vinod M. Prabhakaran , Manoj M. Prabhakaran

In the modern era of computing, machine learning tools have demonstrated their potential in vital sectors, such as healthcare and finance, to derive proper inferences. The sensitive and confidential nature of the data in such sectors raises…

Cryptography and Security · Computer Science 2021-12-28 Ajith Suresh

We present a relational MPC framework for secure collaborative analytics on private data with no information leakage. Our work targets challenging use cases where data owners may not have private resources to participate in the computation,…

Databases · Computer Science 2022-02-04 John Liagouris , Vasiliki Kalavri , Muhammad Faisal , Mayank Varia

The assignment problem is an essential problem in many application fields and frequently used to optimize resource usage. The problem is well understood and various efficient algorithms exist to solve the problem. However, it was unclear…

Cryptography and Security · Computer Science 2022-05-09 Thomas Loruenser , Florian Wohner , Stephan Krenn

In this manuscript, we explore the application of model-free reinforcement learning in optimizing secure multiparty computation (SMPC) protocols. SMPC is a crucial tool for performing computations on private data without the need to…

Signal Processing · Electrical Eng. & Systems 2025-10-10 Javad Sayyadi , Mahdi Nangir , Mahmood Mohassel Feghhi , Hamid Sayyadi

In this paper, we consider a secure multi-party computation problem (MPC), where the goal is to offload the computation of an arbitrary polynomial function of some massive private matrices (inputs) to a cluster of workers. The workers are…

Information Theory · Computer Science 2020-09-16 Hanzaleh Akbari Nodehi , Mohammad Ali Maddah-Ali

Many organizations stand to benefit from pooling their data together in order to draw mutually beneficial insights -- e.g., for fraud detection across banks, better medical studies across hospitals, etc. However, such organizations are…

Cryptography and Security · Computer Science 2020-10-27 Rishabh Poddar , Sukrit Kalra , Avishay Yanai , Ryan Deng , Raluca Ada Popa , Joseph M. Hellerstein