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Secure multi-party quantum computation (MPQC) protocol is a cryptographic primitive allowing error-free distributed quantum computation to a group of $n$ mutually distrustful quantum nodes even when some quantum nodes disobey the…

Quantum Physics · Physics 2024-11-18 Petr A. Mishchenko , Keita Xagawa

Multi-Party Quantum Computation (MPQC) has attracted a lot of attention as a potential killer-app for quantum networks through it's ability to preserve privacy and integrity of the highly valuable computations they would enable.…

Quantum Physics · Physics 2023-04-18 Theodoros Kapourniotis , Elham Kashefi , Luka Music , Harold Ollivier

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

We describe scalable protocols for solving the secure multi-party computation (MPC) problem among a large number of parties. We consider both the synchronous and the asynchronous communication models. In the synchronous setting, our…

Data Structures and Algorithms · Computer Science 2015-09-29 Varsha Dani , Valerie King , Mahnush Movahedi , Jared Saia , Mahdi Zamani

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 multiparty computation enables collaborative computations across multiple users while preserving individual privacy, which has a wide range of applications in finance, machine learning and healthcare. Secure multiparty computation…

Quantum Physics · Physics 2024-11-08 Kai-Yi Zhang , An-Jing Huang , Kun Tu , Ming-Han Li , Chi Zhang , Wei Qi , Ya-Dong Wu , Yu Yu

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 Multi-Party Computation (SMC) allows parties with similar background to compute results upon their private data, minimizing the threat of disclosure. The exponential increase in sensitive data that needs to be passed upon networked…

Cryptography and Security · Computer Science 2009-08-10 Dr. Durgesh Kumar Mishra , Neha Koria , Nikhil Kapoor , Ravish Bahety

Secure Multi-Party Computation (SMPC) allows a set of parties to securely compute a functionality in a distributed fashion without the need for any trusted external party. Usually, it is assumed that the parties know each other and have…

Cryptography and Security · Computer Science 2023-01-20 Malte Breuer , Ulrike Meyer , Susanne Wetzel

Secure Multi-Party Computation (MPC) is an area of cryptography that enables computation on sensitive data from multiple sources while maintaining privacy guarantees. However, theoretical MPC protocols often do not scale efficiently to…

Cryptography and Security · Computer Science 2019-01-03 Valerie Chen , Valerio Pastro , Mariana Raykova

We construct the first constant-round protocols for secure quantum computation in the two-party (2PQC) and multi-party (MPQC) settings with security against malicious adversaries. Our protocols are in the common random string (CRS) model. -…

Quantum Physics · Physics 2021-08-17 James Bartusek , Andrea Coladangelo , Dakshita Khurana , Fermi Ma

Secure multi-party computation (MPC) is a broad cryptographic concept that can be adopted for privacy-preserving computation. With MPC, a number of parties can collaboratively compute a function, without revealing the actual input or output…

Cryptography and Security · Computer Science 2020-04-24 Zhou Ni , Rujia Wang

Secure multiparty computation (MPC) allows data owners to train machine learning models on combined data while keeping the underlying training data private. The MPC threat model either considers an adversary who passively corrupts some…

Cryptography and Security · Computer Science 2025-05-26 Matthew Jagielski , Daniel Escudero , Rahul Rachuri , Peter Scholl

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

In this survey, we will explore the interaction between secure multiparty computation and the area of machine learning. Recent advances in secure multiparty computation (MPC) have significantly improved its applicability in the realm of…

Cryptography and Security · Computer Science 2025-05-22 Taobo Liao , Taoran Li , Prathamesh Nadkarni

Quantum key agreement enables remote participants to fairly establish a secure shared key based on their private inputs. In the circular-type multiparty quantum key agreement mode, two or more malicious participants can collude together to…

Quantum Physics · Physics 2023-06-22 Hussein Abulkasim , Atefeh Mashatan , Shohini Ghose

Secure multi-party quantum computation (MPQC) protocol is a versatile tool that enables error-free distributed quantum computation to a group of $n$ mutually distrustful quantum nodes even when some of the quantum nodes do not follow the…

Quantum Physics · Physics 2022-11-03 Petr A. Mishchenko , Keita Xagawa

Secure multi-party computation (MPC) is a fundamental problem in secure distributed computing. An MPC protocol allows a set of $n$ mutually distrusting parties to carry out any joint computation of their private inputs, without disclosing…

Cryptography and Security · Computer Science 2022-08-10 Ananya Appan , Anirudh Chandramouli , Ashish Choudhury

In the setting of secure multiparty computation (MPC), a set of mutually distrusting parties wish to jointly compute a function, while guaranteeing the privacy of their inputs and the correctness of the output. An MPC protocol is called…

Cryptography and Security · Computer Science 2021-05-07 Ran Cohen , Iftach Haitner , Eran Omri , Lior Rotem

Quantum conference is a process of securely exchanging messages between three or more parties, using quantum resources. A Measurement Device Independent Quantum Dialogue (MDI-QD) protocol, which is secure against information leakage, has…

Quantum Physics · Physics 2022-02-23 Nayana Das , Goutam Paul
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