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Key Pre-distribution in Wireless Sensor Networks (Paperback)
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Key Pre-distribution in Wireless Sensor Networks (Paperback)
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Total price: R1,231
Discovery Miles: 12 310
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Sensor nodes are tiny devices, with less computational power and
memory capacity. For secure communication, the secret keys must be
built into the nodes before deployment. Distribution of keys among
the sensor nodes is a challenging task. Number of sensor nodes are
usually much higher than the number of keys available. In this
paper we use Steiner Triple system (STS) which is a combinatorial
design to distribute the keys among the sensor nodes. As the keys
are built into the nodes, no path key establishment phase is
required for secure communication. Hence nodes can communicate
using the built in secret keys. Thus, a faster communication is
achieved. However, STS is not an appropriate candidate for large
networks, where sensors are not within the communication range of
each other. To overcome this we propose a cluster based key
predistribution using Steiner Triple System. We evaluated the
resiliency of our proposed system and found to have a better
resiliency.Using dummy node concept the scalability of network can
be increase.
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