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Context: Secure Multiparty Computation (MPC) refers to a family of cryptographic techniques where mutually untrusting parties may compute functions of their private inputs while revealing only the function output. Inquiry: It can be hard to…

Cryptography and Security · Computer Science 2023-02-21 Ian Sweet , David Darais , David Heath , William Harris , Ryan Estes , Michael Hicks

Secure multi-party computation (SMPC) protocols allow several parties that distrust each other to collectively compute a function on their inputs. In this paper, we introduce a protocol that lifts classical SMPC to quantum SMPC in a…

Quantum Physics · Physics 2023-03-17 Theodoros Kapourniotis , Elham Kashefi , Dominik Leichtle , Luka Music , Harold Ollivier

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

Secure multi-party computation (MPC) allows a set of parties to compute a function jointly while keeping their inputs private. Compared with the MPC based on garbled circuits,some recent research results show that MPC based on secret…

Cryptography and Security · Computer Science 2020-01-07 Satsuya Ohata , Koji Nuida

A central goal of cryptography is Secure Multi-party Computation (MPC), where $n$ parties desire to compute a function of their joint inputs without letting any party learn about the inputs of its peers. Unfortunately, it is well-known that…

Cryptography and Security · Computer Science 2024-06-12 James Bartusek , Thiago Bergamaschi , Seri Khoury , Saachi Mutreja , Orr Paradise

We initiate the study of the network agnostic MPC protocols with statistical security. Network agnostic protocols give the best possible security guarantees irrespective of the underlying network type. We consider the general-adversary…

Cryptography and Security · Computer Science 2023-06-05 Ananya Appan , Ashish Choudhury

In recent years, multiparty computation as a service (MPCaaS) has gained popularity as a way to build distributed privacy-preserving systems. We argue that for many such applications, we should also require that the MPC protocol is publicly…

Cryptography and Security · Computer Science 2021-07-12 Sanket Kanjalkar , Ye Zhang , Shreyas Gandlur , Andrew Miller

Secure Multi-Party Computation (MPC) is an important enabling technology for data privacy in modern distributed applications. Currently, proof methods for low-level MPC protocols are primarily manual and thus tedious and error-prone, and…

Cryptography and Security · Computer Science 2024-07-24 Christian Skalka , Joseph P. Near

In recent years, secure multiparty computation (SMC) advanced from a theoretical technique to a practically applicable technology. Several frameworks were proposed of which some are still actively developed. We perform a first comprehensive…

Cryptography and Security · Computer Science 2019-01-10 Marcel von Maltitz , Georg Carle

As far as we know, the literature on secure computation from cut-and-choose has focused on achieving computational security against malicious adversaries. It is unclear whether the idea of cut-and-choose can be adapted to secure computation…

Cryptography and Security · Computer Science 2019-08-13 Zhili Chen

Secret sharing and multiparty computation (also called "secure function evaluation") are fundamental primitives in modern cryptography, allowing a group of mutually distrustful players to perform correct, distributed computations under the…

Quantum Physics · Physics 2016-11-17 Michael Ben-Or , Claude Crépeau , Daniel Gottesman , Avinatan Hassidim , Adam Smith

Secure multi-party computing, also called "secure function evaluation", has been extensively studied in classical cryptography. We consider the extension of this task to computation with quantum inputs and circuits. Our protocols are…

Quantum Physics · Physics 2007-05-23 Claude Crepeau , Daniel Gottesman , Adam Smith

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

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

Multiparty computation (MPC) consists in several parties engaging in joint computation in such a way that each party's input and output remain private to that party. Whereas MPC protocols for specific computations have existed since the…

Cryptography and Security · Computer Science 2022-01-03 Josep Domingo-Ferrer , Jesús Manjón

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) is an important enabling technology for data privacy in modern distributed applications. We develop a new type theory to automatically enforce correctness,confidentiality, and integrity properties of…

Cryptography and Security · Computer Science 2025-01-30 Christian Skalka , Joseph P. Near

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

We present a composably secure protocol allowing $n$ parties to test an entanglement generation resource controlled by a possibly dishonest party. The test consists only in local quantum operations and authenticated classical communication…

Quantum Physics · Physics 2021-05-26 Raja Yehia , Eleni Diamanti , Iordanis Kerenidis