Security Protocol For Sensor Network

Wireless sensor networks will be widely deployed in the near future. While much research has focused on making these networks
feasible and useful, security has received little attention. We present a suite of security protocols optimized for sensor networks: SPINS.
SPINS has two secure building blocks: SNEP and TESLA. SNEP includes: data confidentiality, two-party data authentication, and
evidence of data freshness. TESLA provides authenticated broadcast for severely resource-constrained environments. We implemented
the above protocols, and show that they are practical even on minimal hardware: the performance of the protocol suite easily matches the
data rate of our network. Additionally, we demonstrate that the suite can be used for building higher level protocols.
Keywords: secure communication protocols, sensor networks, mobile ad hoc networks, MANET, authentication of wireless communication,
secrecy and confidentiality, cryptography
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