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Security for Wireless Sensor Networks by Donggang Liu

By Donggang Liu

Wireless sensor networks have lately obtained a excessive point of realization because of their vast functions in army and civilian operations.

Security for instant Sensor Networks discusses primary protection matters in instant sensor networks, innovations for the security of such networks, in addition to effects from contemporary stories in instant sensor community safeguard. This quantity assists either execs and scholars to appreciate heritage wisdom in instant sensor community protection and get ready them for generating learn during this domain.

Security for instant Sensor Networksis designed for a certified viewers composed of researchers and practitioners in undefined. This e-book is usually compatible as a secondary textual content for graduate-level scholars in desktop science.

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Each receiver can immediately authenticate it with the pre-distributed root of the parameter distribution tree. For example, if ParaCert3 = {S3, K4,KI2,K58} is used, a receiver can immediately authenticate it by verifying whether H(H(K1211H(H(S3)1 IK4))llK58) equals the pre-distributed root value K18. As a result, all the receivers can get the authenticated parameters of this pTESLA instance, and the sender may use it for broadcast authentication. Security: According to the analysis in [61, 631, an attacker is not able to forge any message from any sender without compromising the sender itself.

This computation cost could be prohibitive if the lifetime of a sensor network is very long. However, it may be tolerable for relatively short-lived sensor networks. For example, consider a three-level scheme with 100 keys in each key chain and looms lowest-level time intervals. Such a scheme can cover lo5 seconds, which is about 27 hours. The pre-computation required to initialize the scheme consists of 1,010,100 pseudo random functions to generate all the key chains, and 10,100 pseudo random functions to generate all the C D M messages.

Starting time) for each instance it has. To establish an authenticated broadcast channel with nodes using an instance j , a sender only needs to broadcast the corresponding pre-distributed parameter certificate, which consists of [log m] hash values and the parameter set Sj. This is practical since such distribution only needs to be done once for each instance. 3 Tree-Based pTESLA 45 + After receiving this parameter certificate, a sensor node only needs 1 [log ml hash functions to verify the related parameters.

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