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Summary: Certificate Revocation to Cope with
False Accusations in Mobile Ad Hoc Networks
Kyul Park
, Hiroki Nishiyama
, Nirwan Ansari
, and Nei Kato
Graduate School of Information Sciences, Tohoku University, Japan
Advanced Networking Laboratory, ECE Department, NJIT, USA
pk1313@it.ecei.tohoku.ac.jp
Abstract-- In Mobile Ad hoc NETworks (MANETs), certifi-
cation systems play an important role in maintaining network
security because attackers can freely move and repeatedly launch
attacks against different nodes. By adopting certification systems,
it becomes possible to exclude identified attackers from the net-
work permanently by revoking the certifications of the attackers.
A simple way to identify attackers is to collect information on
attackers from nodes in the network. However, in this approach,
it is difficult to differentiate valid accusations made by legitimate
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