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Consensus is fundamental for distributed systems since it underpins key functionalities of such systems ranging from distributed information fusion, decision-making, to decentralized control. In order to reach an agreement, existing…

Optimization and Control · Mathematics 2018-12-27 Minghao Ruan , Huan Gao , Yongqiang Wang

Privacy-preserving deep learning addresses privacy concerns in Machine Learning as a Service (MLaaS) by using Homomorphic Encryption (HE) for linear computations. However, the computational overhead remains a major challenge. While prior…

Cryptography and Security · Computer Science 2026-01-30 Yifei Cai , Yizhou Feng , Qiao Zhang , Chunsheng Xin , Hongyi Wu

Privacy-preserving deep neural network (DNN) inference is a necessity in different regulated industries such as healthcare, finance and retail. Recently, homomorphic encryption (HE) has been used as a method to enable analytics while…

Cryptography and Security · Computer Science 2023-06-13 Moran Baruch , Nir Drucker , Lev Greenberg , Guy Moshkowich

Due to patient privacy protection concerns, machine learning research in healthcare has been undeniably slower and limited than in other application domains. High-quality, realistic, synthetic electronic health records (EHRs) can be…

Machine Learning · Computer Science 2023-02-10 Huan He , Shifan Zhao , Yuanzhe Xi , Joyce C Ho

Large language models (LLMs) power modern AI applications, but processing sensitive data on untrusted servers raises privacy concerns. Homomorphic encryption (HE) enables computation on encrypted data for secure inference. However, neural…

Machine Learning · Computer Science 2025-11-19 Matan Avitan , Moran Baruch , Nir Drucker , Itamar Zimerman , Yoav Goldberg

Diffusion models have attained impressive visual quality for image synthesis. However, how to interpret and manipulate the latent space of diffusion models has not been extensively explored. Prior work diffusion autoencoders encode the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Zeyu Lu , Chengyue Wu , Xinyuan Chen , Yaohui Wang , Lei Bai , Yu Qiao , Xihui Liu

Homomorphic encryption (HE) is pivotal for secure computation on encrypted data, crucial in privacy-preserving data analysis. However, efficiently processing high-dimensional data in HE, especially for machine learning and statistical…

Cryptography and Security · Computer Science 2024-06-17 Joon Soo Yoo , Baek Kyung Song , Tae Min Ahn , Ji Won Heo , Ji Won Yoon

Federated Learning (FL) enables collaborative model training across institutions without sharing raw data. However, gradient sharing still risks privacy leakage, such as gradient inversion attacks. Homomorphic Encryption (HE) can secure…

Machine Learning · Computer Science 2025-10-27 Jiaqi Xue , Mayank Kumar , Yuzhang Shang , Shangqian Gao , Rui Ning , Mengxin Zheng , Xiaoqian Jiang , Qian Lou

Federated Learning (FL) is a distributed machine learning approach that promises privacy by keeping the data on the device. However, gradient reconstruction and membership-inference attacks show that model updates still leak information.…

Cryptography and Security · Computer Science 2025-09-04 Pedro Correia , Ivan Silva , Ivone Amorim , Eva Maia , Isabel Praça

Homomorphic encryption (HE) allows computations to be directly carried out on ciphertexts and enables privacy-preserving cloud computing. The computations on the coefficients of the polynomials involved in HE are always followed by modular…

Cryptography and Security · Computer Science 2025-07-24 Sajjad Akherati , Jiaxuan Cai , Xinmiao Zhang

With the widespread adoption of cloud computing, the need for outsourcing statistical analysis to third-party platforms is growing rapidly. However, handling sensitive data such as medical records and financial information in cloud…

Cryptography and Security · Computer Science 2025-10-07 Hyunmin Choi

The growing body of literature on training-data reconstruction attacks raises significant concerns about deploying neural network classifiers trained on sensitive data. However, differentially private (DP) training (e.g. using DP-SGD) can…

Cryptography and Security · Computer Science 2025-10-29 Robert Allison , Tomasz Maciążek , Henry Bourne

Many Intelligent Transportation Systems (ITS) applications require strong privacy guarantees for both users and their data. Homomorphic encryption (HE) enables computation directly on encrypted messages and thus offers a compelling approach…

Cryptography and Security · Computer Science 2026-02-04 Kyle Yates , Abdullah Al Mamun , Mashrur Chowdhury

We present the first theoretical convergence analysis of machine learning training under fully homomorphic encryption (FHE), combined with a differentially private (DP) training algorithm tailored to encrypted computation. Our approach…

Machine Learning · Computer Science 2026-05-28 Yvonne Zhou , Mingyu Liang , Ivan Brugere , Danial Dervovic , Yue Guo , Antigoni Polychroniadou , Min Wu , Dana Dachman-Soled

In this paper, a secure Convolutional Neural Network classifier is proposed using Fully Homomorphic Encryption (FHE). The secure classifier provides a user with the ability to out-source the computations to a powerful cloud server and/or…

Cryptography and Security · Computer Science 2018-08-14 Thomas Shortell , Ali Shokoufandeh

Fully Homomorphic Encryption (FHE) is a relatively recent advancement in the field of privacy-preserving technologies. FHE allows for the arbitrary depth computation of both addition and multiplication, and thus the application of…

Machine Learning · Computer Science 2021-07-29 George Onoufriou , Paul Mayfield , Georgios Leontidis

Federated learning (FL) has come forward as a critical approach for privacy-preserving machine learning in healthcare, allowing collaborative model training across decentralized medical datasets without exchanging clients' data. However,…

Cryptography and Security · Computer Science 2026-02-06 Abdulkadir Korkmaz , Praveen Rao

Since the first theoretically feasible full homomorphic encryption (FHE) scheme was proposed in 2009, great progress has been achieved. These improvements have made FHE schemes come off the paper and become quite useful in solving some…

Cryptography and Security · Computer Science 2024-03-19 Yuqi Guo , Lin Li , Zhongxiang Zheng , Hanrui Yun , Ruoyan Zhang , Xiaolin Chang , Zhixuan Gao

In recent years, Semantic Communication (SemCom), which aims to achieve efficient and reliable transmission of meaning between agents, has garnered significant attention from both academia and industry. To ensure the security of…

Cryptography and Security · Computer Science 2026-01-06 Rui Meng , Dayu Fan , Haixiao Gao , Yifan Yuan , Bizhu Wang , Xiaodong Xu , Mengying Sun , Chen Dong , Xiaofeng Tao , Ping Zhang , Dusit Niyato

As image processing systems proliferate, privacy concerns intensify given the sensitive personal information contained in images. This paper examines privacy challenges in image processing and surveys emerging privacy-preserving techniques…

Cryptography and Security · Computer Science 2025-05-08 Maneesha , Bharat Gupta , Rishabh Sethi , Charvi Adita Das