2005 | OriginalPaper | Buchkapitel
An Efficient Message Broadcast Authentication Scheme for Sensor Networks
verfasst von : Sang-ho Park, Taekyoung Kwon
Erschienen in: Computational Intelligence and Security
Verlag: Springer Berlin Heidelberg
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A sensor network consists of a large number of small sensor nodes with wireless networking. An attacker can easily insert forged messages in wireless networking environment. Therefore, broadcast authentication mechanisms are necessary for a base station to broadcast the same messages to many sensor nodes. The famous broadcast authentication mechanisms,
TESLA
,
μTESLA
, and
Multilevel μ
TESLA
, are adaptable. We observe these mechanisms and point out problems of
Multilevel μ
TESLA
with regard to efficiency and scalability. Subsequently, we propose
Efficient Two-level μ
TESLA
to mitigate the problems.