Verifying Physical Presence of Neighbors against Replay-based Attacks in Wireless Ad Hoc Networks

Authors:
Turgay Korkmaz
Affiliations:
The University of Texas at San Antonio
Venue:
ITCC '05 Proceedings of the International Conference on Information Technology: Coding and Computing (ITCC'05) - Volume II - Volume 02
Year:
2005

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Abstract

Verifying physical presence of a neighbor in wireless ad hoc networks is one of the key components in developing protocols resilient to replay-based attacks. For this, we first consider RTT-based and power-based approaches. We then couple them to design an effective neighbor verification protocol (NVP). In theory, we always see some room for replay-based attacks. However, our proposed protocol significantly limits the effectiveness of replay-based attacks by restricting the range where they might be launched and thus makes them practically impossible.