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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

Oblivious RAM (ORAM) is a well-researched primitive to hide the memory access pattern of a RAM computation; it has a variety of applications in trusted computing, outsourced storage, and multiparty computation. In this paper, we study the…

Data Structures and Algorithms · Computer Science 2024-12-16 Thore Thießen , Jan Vahrenhold

We present a shared control paradigm that improves a user's ability to operate complex, dynamic systems in potentially dangerous environments without a priori knowledge of the user's objective. In this paradigm, the role of the autonomous…

Robotics · Computer Science 2019-06-07 Alexander Broad , Todd Murphey , Brenna Argall

Federated data analytics is a framework for distributed data analysis where a server compiles noisy responses from a group of distributed low-bandwidth user devices to estimate aggregate statistics. Two major challenges in this framework…

Machine Learning · Computer Science 2022-06-10 Kamalika Chaudhuri , Chuan Guo , Mike Rabbat

Oblivious inference is the task of outsourcing a ML model, like neural-networks, without disclosing critical and sensitive information, like the model's parameters. One of the most prominent solutions for secure oblivious inference is based…

Cryptography and Security · Computer Science 2022-10-28 Panagiotis Rizomiliotis , Christos Diou , Aikaterini Triakosia , Ilias Kyrannas , Konstantinos Tserpes

This study examines a resource-sharing problem involving multiple parties that agree to use a set of capacities together. We start with modeling the whole problem as a mathematical program, where all parties are required to exchange…

Optimization and Control · Mathematics 2024-01-08 Utku Karaca , Nursen Aydin , Sinan Yildirim , S. Ilker Birbil

Privacy-preserving location-base services (LBS) have been proposed to protect users' location privacy. However, there are still some problems in existing schemes: (1) a semi-trusted third party (TTP) is required; or (2) both the computation…

Cryptography and Security · Computer Science 2019-07-09 Jinguang Han

Business analytics processes are often composed from orchestrated, collaborating services, which are consumed by users from multiple cloud systems (in different security realms), which need to be engaged dynamically at runtime. If…

Cryptography and Security · Computer Science 2019-01-11 Hussain Al-Aqrabi , Richard Hill

In distributed computing environments, collaborative machine learning enables multiple clients to train a global model collaboratively. To preserve privacy in such settings, a common technique is to utilize frequent updates and…

Machine Learning · Computer Science 2025-01-24 Chia-Yuan Wu , Frank E. Curtis , Daniel P. Robinson

Machine learning (ML) is revolutionizing research and industry. Many ML applications rely on the use of large amounts of personal data for training and inference. Among the most intimate exploited data sources is electroencephalogram (EEG)…

Cryptography and Security · Computer Science 2019-07-04 Anisha Agarwal , Rafael Dowsley , Nicholas D. McKinney , Dongrui Wu , Chin-Teng Lin , Martine De Cock , Anderson C. A. Nascimento

This white paper presents an analysis done by the MAMI project of the privacy and security concerns surrounding middlebox cooperation protocols (MCPs), based on our experimental experience with the Path Layer UDP Substrate (PLUS) proposal.…

Networking and Internet Architecture · Computer Science 2018-12-14 Thomas Fossati , Roman Muentener , Stephan Neuhaus , Brian Trammell

A growing framework of legal and ethical requirements limit scientific and commercial evalua-tion of personal data. Typically, pseudonymization, encryption, or methods of distributed com-puting try to protect individual privacy. However,…

Cryptography and Security · Computer Science 2018-11-21 Nikolaus von Bomhard , Bernd Ahlborn , Catherine Mason , Ulrich Mansmann

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

Distributed quantum computing is a promising computational paradigm for performing computations that are beyond the reach of individual quantum devices. Privacy in distributed quantum computing is critical for maintaining confidentiality…

This paper studies quantum-encrypted explicit MPC for constrained discrete-time linear systems in a cloud-based architecture. A finite-horizon quadratic MPC problem is solved offline to obtain a piecewise-affine controller. Shared quantum…

Systems and Control · Electrical Eng. & Systems 2026-03-25 Yingjie Mi , Zihao Ren , Lei Wang , Daniel E. Quevedo , Guodong Shi

Recent attention on secure multiparty computation and blockchain technology has garnered new interest in developing auction protocols in a decentralized setting. In this paper, we propose a secure and private Vickrey auction protocol that…

Cryptography and Security · Computer Science 2023-05-01 Lucy Klinger , Mengfan Lyu , Lei Zhang

Institutions may benefit from collaborative inference on time-series data. In settings where privacy is necessary, multi-party computation (MPC) is a straightforward approach to providing strong guarantees, yet it remains prohibitively…

Machine Learning · Computer Science 2026-05-12 Lucas Fenaux , Larris Xie , Aditya Bang , Alex Zhang , Kevin Wilson , Florian Kerschbaum

Legal and ethical restrictions on accessing relevant data inhibit data science research in critical domains such as health, finance, and education. Synthetic data generation algorithms with privacy guarantees are emerging as a paradigm to…

Cryptography and Security · Computer Science 2022-11-01 Mayana Pereira , Sikha Pentyala , Anderson Nascimento , Rafael T. de Sousa , Martine De Cock

A long line of research on secure computation has confirmed that anything that can be computed, can be computed securely using a set of non-colluding parties. Indeed, this non-collusion assumption makes a number of problems solvable, as…

Cryptography and Security · Computer Science 2025-09-09 Tiantian Gong , Ryan Henry , Alexandros Psomas , Aniket Kate

Privacy preservation in distributed computations is an important subject as digitization and new technologies enable collection and storage of vast amounts of data, including private data belonging to individuals. To this end, there is a…

Cryptography and Security · Computer Science 2021-07-05 Katrine Tjell , Rafael Wisniewski