Packet-Hiding Mechanism for Selective Jamming Technique

M. Kavya, B. Vijay Kumar


 The open nature of the wireless medium leaves it weak to intentional interference attacks, typically referred to jamming. The intentional interference with wireless transmission can be worn as a launch pad for increasing Denial-of-Service attack on wireless networks. In general, jamming has been addressed under an external threat model. However, adversary with internal knowledge of protocol condition and network secrets can start low-effort jamming attacks that are hard to detect and counter. In this work, we deal with the problem of selective jamming attacks in wireless networks. In these attacks, the adversary is vigorous only for a short period of time, selectively targeting messages of high importance. We demonstrate the advantages of selective jamming within network performance deprivation and adversary effort by presents two case studies; a selective attack on TCP and one on routing. We show that selective jamming attacks can be launch by performing real-time packet classification at the physical layer. To diminish these attacks, we develop 3 schemes that avoid real-time packet classification by combining cryptographic primitives with physical-layer attributes. We examine the security of our methods and evaluate their computational and communication overhead.

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