Location Privacy Using Traffic-Aware Mix Zones in Vehicular or Mobile Networks

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Provided by: International Journal Of Engineering And Computer Science
Topic: Security
Format: PDF
In VANET for the purpose of safety, vehicles need to periodically broadcast safety messages providing precise position information to nearby vehicles. However, this frequent messaging (e.g., every 100 to 300ms per car) greatly facilitates the tracking of vehicles, as it success to eavesdrop the wireless medium. As a result, the driver's privacy can't be protected. In order to protect personal location information the authors proposes the mix zone concept. Cryptographic MIX (CMIX) protocol is used here to improve location privacy of Mix-Zone. They propose to do so using pseudonym changes and cryptography.
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