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Secure and Private Proofs for Location-Based Activity Summaries in Urban Areas

Publications associées (126)

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Privacy and Identity Management for Vehicular Communication Systems: a Position Paper

Jean-Pierre Hubaux, Panagiotis Papadimitratos

The emerging technology of vehicular communications (VC) raises a number of technical problems that need to be addressed. Among those, security and privacy concerns are paramount for the wide adoption of VC. In this position paper, we are concerned with pr ...

2006

RFID Traceability: A Multilayer Problem

Gildas Avoine, Philippe Oechslin

RFID tags have very promising applications in many domains (retail, rental, surveillance, medicine to name a few). Unfortunately the use of these tags can have serious implications on the privacy of people carrying tagged items. Serious opposition from con ...

2005

A Scalable and Provably Secure Hash-Based RFID Protocol

Gildas Avoine, Philippe Oechslin

The biggest challenge for RFID technology is to provide benefits without threatening the privacy of consumers. Many solutions have been suggested but almost as many ways have been found to break them. An approach by Ohkubo, Suzuki and Kinoshita using an in ...

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