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Quantum fully homomorphic encryption (QFHE) promises secure delegated quantum computation but has been impeded by the prohibitive quantum resource demands of existing constructions. This paper introduces a unified framework that achieves an…

Quantum Physics · Physics 2026-04-28 Fengxia Liu , Zixian Gong , Kun Tian , Yi Zhang , Zhiming Zheng , Maozhi Xu

Federated Learning (FL) enables collaborative model training without sharing raw data, making it a promising approach for privacy-sensitive domains. Despite its potential, FL faces significant challenges, particularly in terms of…

Cryptography and Security · Computer Science 2025-08-08 Khoa Nguyen , Tanveer Khan , Hossein Abdinasibfar , Antonis Michalas

Quantum computing promises to revolutionize machine learning, offering significant efficiency gains in tasks such as clustering and distance estimation. Additionally, it provides enhanced security through fundamental principles like the…

Quantum Physics · Physics 2025-05-26 Arjhun Swaminathan , Mete Akgün

Federated Learning (FL) enables collaborative model training while preserving data privacy by keeping raw data locally stored on client devices, preventing access from other clients or the central server. However, recent studies reveal that…

Cryptography and Security · Computer Science 2025-09-26 Ren-Yi Huang , Dumindu Samaraweera , Prashant Shekhar , J. Morris Chang

Privacy enhancing technologies (PETs) have been proposed as a way to protect the privacy of data while still allowing for data analysis. In this work, we focus on Fully Homomorphic Encryption (FHE), a powerful tool that allows for arbitrary…

Cryptography and Security · Computer Science 2023-08-08 Jordan Frery , Andrei Stoian , Roman Bredehoft , Luis Montero , Celia Kherfallah , Benoit Chevallier-Mames , Arthur Meyre

The utility of machine learning has rapidly expanded in the last two decades and presents an ethical challenge. Papernot et. al. developed a technique, known as Private Aggregation of Teacher Ensembles (PATE) to enable federated learning in…

We present two new statistical machine learning methods designed to learn on fully homomorphic encrypted (FHE) data. The introduction of FHE schemes following Gentry (2009) opens up the prospect of privacy preserving statistical machine…

Machine Learning · Statistics 2015-08-28 Louis J. M. Aslett , Pedro M. Esperança , Chris C. Holmes

Future quantum computers are likely to be expensive and affordable outright by few, motivating client/server models for outsourced computation. However, the applications for quantum computing will often involve sensitive data, and the…

Quantum Physics · Physics 2020-03-25 Yingkai Ouyang , Si-Hui Tan , Joseph Fitzsimons , Peter P. Rohde

Recently, deep learning, which uses Deep Neural Networks (DNN), plays an important role in many fields. A secure neural network model with a secure training/inference scheme is indispensable to many applications. To accomplish such a task…

Cryptography and Security · Computer Science 2020-12-10 Chin-Yu Sun , Allen C. -H. Wu , TingTing Hwang

With the rapid advancement of AI technology, we have seen more and more concerns on data privacy, leading to some cutting-edge research on machine learning with encrypted computation. Fully Homomorphic Encryption (FHE) is a crucial…

Cryptography and Security · Computer Science 2026-03-31 Longfei Guo , Pengbo Li , Ting Gao , Yonghai Zhong , Haojie Fan , Jinqiao Duan

Federated learning is a method used in machine learning to allow multiple devices to work together on a model without sharing their private data. Each participant keeps their private data on their system and trains a local model and only…

Cryptography and Security · Computer Science 2025-04-07 Feiran Yang

Quantum computing has undergone rapid development in recent years. Owing to limitations on scalability, personal quantum computers still seem slightly unrealistic in the near future. The first practical quantum computer for ordinary users…

Cryptography and Security · Computer Science 2017-07-04 He-Liang Huang , You-Wei Zhao , Tan Li , Feng-Guang Li , Yu-Tao Du , Xiang-Qun Fu , Shuo Zhang , Xiang Wang , Wan-Su Bao

Quantum computers can solve specific complex tasks for which no reasonable-time classical algorithm is known. Quantum computers do however also offer inherent security of data, as measurements destroy quantum states. Using shared entangled…

Quantum Physics · Physics 2022-08-23 Niels M. P. Neumann , Robert S. Wezeman

Federated Learning (FL) facilitates collaborative model training while keeping raw data decentralized, making it a conduit for leveraging the power of IoT devices while maintaining privacy of the locally collected data. However, existing…

Cryptography and Security · Computer Science 2025-09-26 Amr Akmal Abouelmagd , Amr Hilal

We present a modular hierarchy of private delegated quantum computation protocols tailored to user-level and industry-level settings and parameterized by the quantum resources available to the client. For each protocol, we specify the…

Quantum Physics · Physics 2026-05-08 Alejandro Mata Ali , Adriano Mauricio Lusso , Edgar Mencia

Audio and speech data are increasingly used in machine learning applications such as speech recognition, speaker identification, and mental health monitoring. However, the passive collection of this data by audio listening devices raises…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-16 Tu Duyen Nguyen , Adrien Lesage , Clotilde Cantini , Rachid Riad

Over the past few years, a tremendous growth of machine learning was brought about by a significant increase in adoption and implementation of cloud-based services. As a result, various solutions have been proposed in which the machine…

Cryptography and Security · Computer Science 2023-09-18 Tanveer Khan , Antonis Michalas

Autonomous Unmanned Aerial Vehicles (UAVs) have become essential tools in defense, law enforcement, disaster response, and product delivery. These autonomous navigation systems require a wireless communication network, and of late are deep…

Cryptography and Security · Computer Science 2024-04-29 Vatsal Aggarwal , Arjun Ramesh Kaushik , Charanjit Jutla , Nalini Ratha

Federated learning is a framework that can learn from distributed networks. It attempts to build a global model based on virtual fusion data without sharing the actual data. Nevertheless, the traditional federated learning process…

Quantum Physics · Physics 2024-04-29 Kai Yu , Fei Gao , Song Lin

Machine Learning (ML) has emerged as one of data science's most transformative and influential domains. However, the widespread adoption of ML introduces privacy-related concerns owing to the increasing number of malicious attacks targeting…

Machine Learning · Computer Science 2024-01-29 Eugene Frimpong , Khoa Nguyen , Mindaugas Budzys , Tanveer Khan , Antonis Michalas
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