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To achieve location privacy for Location-Based Services (LBS) in the Vehicular Ad-hoc Network (VANET) environment, many pseudonym changing mechanisms have been proposed in the literature. Although some exiting mechanisms, such as AGE, SLOW, SPOT and can achieve high security level, yet much overhead is incurred due to a large number of pseudonym changes. While performing pseudonym changes, the services...
Privacy is one of the most important security requirements of VANETs. To avoid being tracked, the idea of pseudonym changes is introduced, which leads to a problem that a malicious vehicle can easily create a new identity without being punished. In this paper, we present a probabilistic method to isolate malicious vehicles with the existence of pseudonym in VANETs. The main idea is to use Bloom filters...
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