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Algorithms, Performance, Security

By Nikodin Ristanovic, Panos Papadimitratos, George Theodorakopoulos, Jean-pierre Hubaux and Jean-yves Le Boudec


Public key cryptography can introduce significant processing delays in vehicular communication platforms. This can lead to serious performance issues, especially in the case of multihop Inter-Vehicle Communication. In this paper we propose Adaptive Message Authentication (AMA), a lightweight filtering scheme that reduces the number of cryptographic operations performed by the nodes. Based only on local observations and with no additional communication channel, our scheme achieves global improvement of network performance. We show through simulation that the scheme successfully adapts the number of cryptographic operations to the locally observed number of adversaries

Topics: Categories and Subject Descriptors C.2.0 [General, Security and protection, C.2.1 [Network Architecture and Design, Wireless communication
Year: 2010
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