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Deep neural networks are increasingly being used in a variety of machine learning applications applied to rich user data on the cloud. However, this approach introduces a number of privacy and efficiency challenges, as the cloud operator…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Seyed Ali Osia , Ali Shahin Shamsabadi , Ali Taheri , Kleomenis Katevas , Hamid R. Rabiee , Nicholas D. Lane , Hamed Haddadi

Differential privacy (DP) has steadily become the de-facto standard for achieving privacy in data analysis, which is typically implemented either in the "central" or "local" model. The local model has been more popular for commercial…

Cryptography and Security · Computer Science 2020-03-11 Amrita Roy Chowdhury , Chenghong Wang , Xi He , Ashwin Machanavajjhala , Somesh Jha

This study proposes a mechanism for encrypting SD-JWT (Selective Disclosure JSON Web Token) Disclosures using Attribute-Based Encryption (ABE) to enable flexible access control on the basis of the Verifier's attributes. By integrating…

Cryptography and Security · Computer Science 2025-05-15 Shigenori Ohashi

Decentralized methods are gaining popularity for data-driven models in power systems as they offer significant computational scalability while guaranteeing full data ownership by utility stakeholders. However, decentralized methods still…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-20 Paritosh Ramanan , Murat Yildirim , Nagi Gebraeel , Edmond Chow

We give a new two-pass authentication scheme, whichis a generalisation of an authentication scheme of Sibert-Dehornoy-Girault based on the Diffie-Hellman conjugacy problem. Compared to the above scheme, for some parameters it is more…

Cryptography and Security · Computer Science 2007-08-20 M. M. Chowdhury

Homomorphic encryption, secure multi-party computation, and differential privacy are part of an emerging class of Privacy Enhancing Technologies which share a common promise: to preserve privacy whilst also obtaining the benefits of…

Human-Computer Interaction · Computer Science 2021-01-21 Nitin Agrawal , Reuben Binns , Max Van Kleek , Kim Laine , Nigel Shadbolt

A privacy-preserving Support Vector Machine (SVM) computing scheme is proposed in this paper. Cloud computing has been spreading in many fields. However, the cloud computing has some serious issues for end users, such as unauthorized use…

Cryptography and Security · Computer Science 2018-09-20 Takahiro Maekawa , Takayuki Nakachi , Sayaka Shiota , Hitoshi Kiya

Privacy-preserving computing is crucial for multi-center machine learning in many applications such as healthcare and finance. In this paper a Multi-center Privacy Computing framework with Predictions Aggregation (MPCPA) based on denoising…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-13 Guibo Luo , Hanwen Zhang , Xiuling Wang , Mingzhi Chen , Yuesheng Zhu

Face anonymization aims to protect sensitive identity information by altering faces while preserving visual realism and utility for downstream computer vision tasks. Current methods struggle to simultaneously ensure high image quality,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Pol Labarbarie , Vincent Itier , William Puech

The authentication field is evolving towards mechanisms able to keep users continuously authenticated without the necessity of remembering or possessing authentication credentials. While existing continuous authentication systems have…

Cloud computing is the broad and diverse phenomenon. Users are allowed to store huge amount of data on cloud storage for future use. Most of the cloud service providers store data in plain text format or in secured manner but client will…

Cryptography and Security · Computer Science 2022-02-02 Fahina , Shwetha U , Poorna , Supriya , Rama Moorthy H , Dr. Vasudeva

The social demand for email end-to-end encryption is barely supported by mainstream service providers. Autocrypt is a new community-driven open specification for e-mail encryption that attempts to respond to this demand. In Autocrypt the…

Cryptography and Security · Computer Science 2018-10-15 Bogdan Kulynych , Wouter Lueks , Marios Isaakidis , George Danezis , Carmela Troncoso

The financial sector presents many opportunities to apply various machine learning techniques. Centralized machine learning creates a constraint which limits further applications in finance sectors. Data privacy is a fundamental challenge…

Machine Learning · Computer Science 2020-07-15 Yifei Zhang , Hao Zhu

Differentially private (DP) decentralized Federated Learning (FL) allows local users to collaborate without sharing their data with a central server. However, accurately quantifying the privacy budget of private FL algorithms is challenging…

Machine Learning · Computer Science 2025-10-24 Xiang Li , Buxin Su , Chendi Wang , Qi Long , Weijie J. Su

An information owner, possessing diverse data sources, might want to offer information services based on these sources to cooperation partners and to this end interact with these partners by receiving and sending messages, which the owner…

Cryptography and Security · Computer Science 2017-07-27 Joachim Biskup , Cornelia Tadros , Jaouad Zarouali

We present a privacy-preserving telemetry aggregation scheme. Our underlying frequency estimation routine works within the framework of differential privacy. The design philosophy follows a client-server architecture. Furthermore, the…

Cryptography and Security · Computer Science 2025-07-10 Kenneth Odoh

Objective: To enable privacy-preserving learning of high quality generative and discriminative machine learning models from distributed electronic health records. Methods and Results: We describe general and scalable strategy to build…

Cryptography and Security · Computer Science 2018-06-19 Marina Blanton , Ah Reum Kang , Subhadeep Karan , Jaroslaw Zola

Cloud computing is a revolutionary concept that has brought a paradigm shift in the IT world. This has made it possible to manage and run businesses without even setting up an IT infrastructure. It offers multi-fold benefits to the users…

Cryptography and Security · Computer Science 2013-08-06 Rohit Bhadauria , Rajdeep Borgohain , Abirlal Biswas , Sugata Sanyal

Distributed machine learning has been widely studied in order to handle exploding amount of data. In this paper, we study an important yet less visited distributed learning problem where features are inherently distributed or vertically…

Machine Learning · Computer Science 2019-07-19 Yaochen Hu , Peng Liu , Linglong Kong , Di Niu

Recently, Government of India has taken several initiatives to make India digitally strong such as to provide each resident a unique digital identity, referred to as Aadhaar, and to provide several online e-Governance services based on…

Cryptography and Security · Computer Science 2020-12-21 Puneet Bakshi , Sukumar Nandi