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UnLynx: A Decentralized System for Privacy-Conscious Data Sharing

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Securing Vehicular Ad Hoc Networks

Jean-Pierre Hubaux, Maxime Raya

Vehicular networks are very likely to be deployed in the coming years and thus become the most relevant form of mobile ad hoc networks. In this paper, we address the security of these networks. We provide a detailed threat analysis and devise an appropriat ...

2007

Efficient and Robust Pseudonymous Authentication in VANET

Jean-Pierre Hubaux, Panagiotis Papadimitratos

Effective and robust operations, as well as security and privacy are critical for the deployment of vehicular ad hoc networks (VANETs). Efficient and easy- to-manage security and privacy-enhancing mechanisms are essential for the wide-spread adoption of th ...

ACM2007

RFID Privacy based on Public-Key Cryptography (Abstract)

Serge Vaudenay

RFID systems makes it possible for a server to identify known tags in wireless settings. As they become more and more pervasive, people privacy is more and more threatened. In this talk, we list a few models for privacy in RFID and compare them. We review ...

2006

The Security and Privacy of Smart Vehicles

Jean-Pierre Hubaux, Jun Luo, Srdan Capkun

Road safety, traffic management, and driver convenience continue to improve, in large part thanks to appropriate usage of information technology. But this evolution has deep implications for security and privacy, which the research community has overlooked ...

2004

Fair Exchange with Guardian Angels

Serge Vaudenay, Gildas Avoine

In this paper we propose a new probabilistic Fair Exchange Protocol which requires no central Trusted Third Party. Instead, it relies on a virtually distributed and decentralized Trusted Third Party which is formalized as a Guardian Angel: a kind of Observ ...

2003

SECTOR: Secure Tracking of Node Encounters in Multi-hop Wireless Networks

Jean-Pierre Hubaux, Levente Buttyan, Srdan Capkun

In this paper we present SECTOR, a set of mechanisms for the secure verification of the time of encounters between nodes in multi-hop wireless networks. This information can be used notably to prevent wormhole attacks (without requiring any clock synchroni ...

2003

A Payment Scheme for Broadcast Multimedia Streams

Naouel Ben Salem, Levente Buttyan

Streaming multimedia data on the Internet is developing as a mainstream technology, which attracts many users by providing a new and convenient form of access to online multimedia information. While its strong business potential is obvious, many problems r ...

2001