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The growing volumes of data being collected and its analysis to provide better services are creating worries about digital privacy. To address privacy concerns and give practical solutions, the literature has relied on secure multiparty…

Cryptography and Security · Computer Science 2022-06-27 Nishat Koti , Shravani Patil , Arpita Patra , Ajith Suresh

In this paper, a novel multi-party quantum private comparison (MQPC) protocol for equality comparison with n-level single-particle states is constructed, where the encoded particles are transmitted in a circular way. Here, n parties employ…

Quantum Physics · Physics 2022-05-23 Chong-Qiang Ye , Tian-Yu Ye

We propose a novel end-to-end privacy-preserving framework, instantiated by three efficient protocols for different deployment scenarios, covering both input and output privacy, for the vertically split scenario in federated learning (FL),…

Cryptography and Security · Computer Science 2026-04-16 Shan Jin , Sai Rahul Rachuri , Yizhen Wang , Anderson C. A. Nascimento , Yiwei Cai

This paper deals with distributed matrix multiplication. Each player owns only one row of both matrices and wishes to learn about one distinct row of the product matrix, without revealing its input to the other players. We first improve on…

Cryptography and Security · Computer Science 2016-07-14 Jean-Guillaume Dumas , Pascal Lafourcade , Jean-Baptiste Orfila , Maxime Puys

We consider the problems of secret sharing and multiparty computation, assuming that agents prefer to get the secret (resp., function value) to not getting it, and secondarily, prefer that as few as possible of the other agents get it. We…

Computer Science and Game Theory · Computer Science 2007-05-23 Joseph Y. Halpern , Vanessa Teague

Secure multiparty computations enable the distribution of so-called shares of sensitive data to multiple parties such that the multiple parties can effectively process the data while being unable to glean much information about the data (at…

Cryptography and Security · Computer Science 2024-04-09 Chuan Guo , Awni Hannun , Brian Knott , Laurens van der Maaten , Mark Tygert , Ruiyu Zhu

In this paper, we propose a novel secure multi-party quantum summation protocol based on quantum Fourier transform, where the traveling particles are transmitted in a tree-type mode. The party who prepares the initial quantum states is…

Quantum Physics · Physics 2022-05-13 Hui-Yi Yang , Tian-Yu Ye

Multi-party computation (MPC) is promising for designing privacy-preserving machine learning algorithms at edge networks. An emerging approach is coded-MPC (CMPC), which advocates the use of coded computation to improve the performance of…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-16 Elahe Vedadi , Yasaman Keshtkarjahromi , Hulya Seferoglu

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 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

We propose an efficient framework for enabling secure multi-party numerical computations in a Peer-to-Peer network. This problem arises in a range of applications such as collaborative filtering, distributed computation of trust and…

Cryptography and Security · Computer Science 2008-11-15 Danny Bickson , Genia Bezman , Danny Dolev , Benny Pinkas

A client wishes to outsource computation on confidential data to a network of parties. He does not trust a single party but believes that multiple parties do not collude. To solve this problem, we use the idea of treating one of the parties…

Cryptography and Security · Computer Science 2017-07-21 Johannes Schneider

With the increasing popularity of the cloud, clients oursource their data to clouds in order to take advantage of unlimited virtualized storage space and the low management cost. Such trend prompts the privately oursourcing computation,…

Cryptography and Security · Computer Science 2012-06-19 Qingji Zheng , Xinwen Zhang

The concept of Secure Multi-Party Computation (SMPC) is a cryptographic service that allows generating analysis of sensitive data related to finance under the collaboration of all stakeholders without violating the privacy of the research…

Cryptography and Security · Computer Science 2026-01-05 Brahim Khalil Sedraoui , Abdelmadjid Benmachiche , Amina Makhlouf , Chaouki Chemam

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

Privacy-preserving machine learning enables the training of models on decentralized datasets without the need to reveal the data, both on horizontal and vertically partitioned data. However, it relies on specialized techniques and…

Cryptography and Security · Computer Science 2023-02-14 Florian van Daalen , Inigo Bermejo , Lianne Ippel , Andre Dekker

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

This paper studies privacy-preserving weighted federated learning within the oracle-aided multi-party computation (MPC) framework. The contribution of this paper mainly comprises the following three-fold: In the first fold, a new notion…

Cryptography and Security · Computer Science 2020-04-09 Huafei Zhu , Zengxiang Li , Mervyn Cheah , Rick Siow Mong Goh

We propose a new concept, oblivious quantum computation, which requires performing oblivious transfer with respect to the computation outcome of the quantum computation, where the secrecy of the input qubits and the program to identify the…

Quantum Physics · Physics 2023-05-12 Masahito Hayashi

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