Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
k-anonymity: a model for protecting privacy
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
L-diversity: Privacy beyond k-anonymity
ACM Transactions on Knowledge Discovery from Data (TKDD)
Anonysense: privacy-aware people-centric sensing
Proceedings of the 6th international conference on Mobile systems, applications, and services
PoolView: stream privacy for grassroots participatory sensing
Proceedings of the 6th ACM conference on Embedded network sensor systems
Nericell: rich monitoring of road and traffic conditions using mobile smartphones
Proceedings of the 6th ACM conference on Embedded network sensor systems
SoundSense: scalable sound sensing for people-centric applications on mobile phones
Proceedings of the 7th international conference on Mobile systems, applications, and services
Virtual individual servers as privacy-preserving proxies for mobile devices
Proceedings of the 1st ACM workshop on Networking, systems, and applications for mobile handhelds
Four billion little brothers?: privacy, mobile phones, and ubiquitous data collection
Communications of the ACM - Scratch Programming for All
Opportunistic sensing: security challenges for the new paradigm
COMSNETS'09 Proceedings of the First international conference on COMmunication Systems And NETworks
Toward trustworthy mobile sensing
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
Biketastic: sensing and mapping for better biking
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Preserving privacy in participatory sensing systems
Computer Communications
PRISM: platform for remote sensing using smartphones
Proceedings of the 8th international conference on Mobile systems, applications, and services
ParkNet: drive-by sensing of road-side parking statistics
Proceedings of the 8th international conference on Mobile systems, applications, and services
Prisense: privacy-preserving data aggregation in people-centric urban sensing systems
INFOCOM'10 Proceedings of the 29th conference on Information communications
Towards trustworthy participatory sensing
HotSec'09 Proceedings of the 4th USENIX conference on Hot topics in security
Collusion resistant broadcast encryption with short ciphertexts and private keys
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
Preserving query privacy in urban sensing systems
ICDCN'12 Proceedings of the 13th international conference on Distributed Computing and Networking
Crowdsourcing to smartphones: incentive mechanism design for mobile phone sensing
Proceedings of the 18th annual international conference on Mobile computing and networking
A flexible tool for participating, authoring, and managing citizen science campaigns on-the-go
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
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Participatory Sensing combines the ubiquity of mobile phones with the sensing capabilities of Wireless Sensor Networks. It targets the pervasive collection of information, e.g., temperature, traffic conditions, or medical data. Users produce measurements from their mobile devices, thus, a number of privacy concerns -- due to the personal information conveyed by reports -- may hinder the large-scale deployment of participatory sensing applications. Prior work has attempted to protect privacy in participatory sensing, but it relied on unrealistic assumptions and achieved no provably-secure guarantees. In this paper, we introduce PEPSI: Privacy-Enhanced Participatory Sensing Infrastructure. We explore realistic architectural assumptions and a minimal set of formal requirements aiming at protecting privacy of both data producers and consumers. We also present an instantiation that attains privacy guarantees with provable security at very low additional computational cost and almost no extra communication overhead. Finally, we highlight some problems that call for further research in this developing area.