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RFID Privacy based on Public-Key Cryptography (Abstract)

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Traceable Privacy of Recent Provably-Secure RFID Protocols

Khaled Ouafi

One of the main challenges in RFIDs is the design of privacy-preserving authentication protocols. Indeed, such protocols should not only allow legitimate readers to authenticate tags but also protect these latter from privacy-violating attacks, ensuring th ...

Springer2008

About Machine-Readable Travel Documents

Serge Vaudenay, Martin Vuagnoux, Jean Monnerat

Passports are now equipped with RFID chips that contain private information, biometric data, and a digital signature by issuing authorities. We review most of applicable security and privacy issues. We argue that the main privacy issue is not unauthorized ...

Springer2007

Architecture for Secure and Private Vehicular Communications

Jean-Pierre Hubaux, Panagiotis Papadimitratos, Maxime Raya, Levente Buttyan

The deployment of vehicular communication (VC) systems is strongly dependent on their security and privacy features. In this paper, we propose a security architecture for VC. The primary objectives of the architecture include the management of identities a ...

2007

On Privacy Models for RFID

Serge Vaudenay

We provide a formal model for identification schemes. Under this model, we give strong definitions for security and privacy. Our model captures the notion of a powerful adversary who can monitor all communications, trace tags within a limited period of tim ...

Springer-Verlag2007

Mix-Zones for Location Privacy in Vehicular Networks

Jean-Pierre Hubaux, Panagiotis Papadimitratos, Mark Felegyhazi, Julien Freudiger, Maxime Raya

Vehicular Networks (VNs) seek to provide, among other applications, safer driving conditions. To do so, vehicles need to periodically broadcast safety messages providing precise position information to nearby vehicles. However, this frequent messaging (e.g ...

2007

Enforcing email addresses privacy using tokens

Serge Vaudenay, Roman Schlegel

We propose a system which allows users to monitor how their email addresses are used and how they spread over the Internet. This protects the privacy of the user and can reduce the spam phenomenon. Our solution does not require changes to the email infrast ...

2005

Secure and Privacy-Preserving Communication in Hybrid Ad Hoc Networks

Jean-Pierre Hubaux, Srdan Capkun

We present a scheme for secure and privacy-preserving communication in hybrid ad hoc networks. Our scheme enables users to secure communication and to protect their anonymity and location privacy. Our approach is based on frequently changing node pseudonym ...

2004

On solving distributed CS(O)Ps with privacy

Cryptographic protocols can enforce privacy in distributed computation of functions [Goldwasser'96] and are a competitor of the distributed constructive search techniques. [Goldreich'87,Chaum'87,Chaum'88,Ben-or'88] show how cryptographic protocols can be c ...

2002

A key escrow system with warrant bounds

Arjen Lenstra

We propose a key escrow system that permits warrants for the interception and decryption of communications for arbitrary time periods, and with either one or two communicating parties specified as the target. The system is simple and practical, and affords ...

1995