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Location-based services (LBS) have been significantly developed and widely deployed in mobile devices. It is also well-known that LBS applications may result in severe privacy concerns by collecting sensitive locations. A strong privacy…

Cryptography and Security · Computer Science 2022-10-03 Han Wang , Hanbin Hong , Li Xiong , Zhan Qin , Yuan Hong

Spatial crowdsourcing (SC) is an increasing popular category of crowdsourcing in the era of mobile Internet and sharing economy. It requires workers to arrive at a particular location for task fulfillment. Effective protection of location…

Cryptography and Security · Computer Science 2020-11-06 Shun Zhang , Benfei Duan , Zhili Chen , Hong Zhong , Qizhi Yu

We consider a problem where mutually untrusting curators possess portions of a vertically partitioned database containing information about a set of individuals. The goal is to enable an authorized party to obtain aggregate (statistical)…

Cryptography and Security · Computer Science 2013-04-18 Bing-Rong Lin , Ye Wang , Shantanu Rane

Fine-grained Smart Meters (SMs) data recording and communication has enabled several features of Smart Grids (SGs) such as power quality monitoring, load forecasting, fault detection, and so on. In addition, it has benefited the users by…

Signal Processing · Electrical Eng. & Systems 2022-05-17 Mohammadhadi Shateri , Francisco Messina , Pablo Piantanida , Fabrice Labeau

In this work, inspired by secret sharing schemes, we introduce a privacy-preserving approach for network consensus, by which all nodes in a network can reach an agreement on their states without exposing the individual state to neighbors.…

Systems and Control · Electrical Eng. & Systems 2021-03-08 Silun Zhang , Thomas Ohlson Timoudas , Munther Dahleh

We propose an efficient scheme for generating fake network traffic to disguise the real event notification in the presence of a global eavesdropper, which is especially relevant for the quality of service in delay-intolerant applications…

Cryptography and Security · Computer Science 2010-12-03 Silvija Kokalj-Filipovic , Fabrice Le Fessant , Predrag Spasojevic

The cloud computing technique, which was initially used to mitigate the explosive growth of data, has been required to take both data privacy and users' query functionality into consideration. Symmetric searchable encryption (SSE) is a…

Cryptography and Security · Computer Science 2021-03-16 Fan Yin , Rongxing Lu , Yandong Zheng , Jun Shao , Xue Yang , Xiaohu Tang

Key predistribution is a well-known technique for ensuring secure communication via encryption among sensors deployed in an ad-hoc manner to form a sensor network. In this paper, we propose a novel 2-Phase technique for key predistribution…

Networking and Internet Architecture · Computer Science 2007-05-23 Rajgopal Kannan , Lydia Ray , Arjan Durresi , S. Iyengar

Privacy-preserving distributed average consensus has received significant attention recently due to its wide applicability. Based on the achieved performances, existing approaches can be broadly classified into perfect accuracy-prioritized…

Cryptography and Security · Computer Science 2024-07-16 Qiongxiu Li , Jaron Skovsted Gundersen , Milan Lopuhaa-Zwakenberg , Richard Heusdens

The objective of differential privacy (DP) is to protect privacy by producing an output distribution that is indistinguishable between any two neighboring databases. However, traditional differentially private mechanisms tend to produce…

Cryptography and Security · Computer Science 2023-11-07 Kai Zhang , Yanjun Zhang , Ruoxi Sun , Pei-Wei Tsai , Muneeb Ul Hassan , Xin Yuan , Minhui Xue , Jinjun Chen

In this paper, we propose a cognitive protocol that involves cooperation between the primary and secondary users. In addition to its own queue, the secondary user (SU) has a queue to store, and then relay, the undelivered primary packets.…

Networking and Internet Architecture · Computer Science 2014-07-10 Ahmed El Shafie , Ahmed Sultan , Tamer Khattab

Machine learning is promising, but it often needs to process vast amounts of sensitive data which raises concerns about privacy. In this white-paper, we introduce Substra, a distributed framework for privacy-preserving, traceable and…

Cryptography and Security · Computer Science 2019-10-28 Mathieu N Galtier , Camille Marini

Over the past few years, traffic congestion has continuously plagued the nation's transportation system creating several negative impacts including longer travel times, increased pollution rates, and higher collision risks. To overcome…

Cryptography and Security · Computer Science 2025-04-21 Isaac Adom , Mohammmad Iqbal Hossain , Hassan Mahmoud , Ahmad Alsharif , Mahmoud Nabil Mahmoud , Yang Xiao

The advent of smartphones in recent years has changed the wireless landscape. Smartphones have become a platform for online user interface to cloud databases. Cloud databases may provide a large set of user-private and sensitive data (i.e.,…

Cryptography and Security · Computer Science 2011-12-13 Jong P. Yoon

The existing cryptosystem based approaches for privacy-preserving consensus of networked systems are usually limited to those with undirected topologies. This paper proposes a new privacy-preserving algorithm for networked systems with…

Multiagent Systems · Computer Science 2022-01-19 Wentuo Fang , Zhiyong Chen , Mohsen Zamani

In the last years we have witnessed the appearance of a variety of strategies to design optimal location privacy-preserving mechanisms, in terms of maximizing the adversary's expected error with respect to the users' whereabouts. In this…

Cryptography and Security · Computer Science 2017-08-25 Simon Oya , Carmela Troncoso , Fernando Pérez-González

Consider a data publishing setting for a data set with public and private features. The objective of the publisher is to maximize the amount of information about the public features in a revealed data set, while keeping the information…

Information Theory · Computer Science 2018-05-11 Hao Wang , Mario Diaz , Flavio P. Calmon , Lalitha Sankar

The technological innovation towards 6G cellular networks introduces unprecedented capabilities for user equipment (UE) localization, but it also raises serious concerns about physical layer location privacy. This paper introduces…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Lorenzo Italiano , Alireza Pourafzal , Hui Chen , Mattia Brambilla , Gonzalo Seco-Granados , Monica Nicoli , Henk Wymeersch

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

We present a data storage scheme for sensor networks that achieves the targets of encryption and distributed storage simultaneously. We partition the data to be stored into numerous pieces such that at least a specific number of them have…

Cryptography and Security · Computer Science 2010-01-15 Abhishek Parakh , Subhash Kak