Privacy-preserving carpooling

International audienceMobility has always been an important aspect of human activities. Nowadays problems of congestion in urban areas due to the massive usage of cars, last-minutes travel needs and progress in information and communication technologies encourage the rise of new transport modes. Among those are carpooling services, which let car owners share the empty seats of their cars with other travellers having the same travel destination. However, the way carpooling services are implemented today raises several privacy issues. In this paper we use privacy enhancing technologies to improve the quality of carpooling services by specially taking in consideration privacy aspects