Title:
Establishing-Pairwise-Keys-in-Distributed-Sensor.
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Description: Establishing Pairwise Keys in Distributed Sensor
Networks
DONGGANG LIU, PENG NING and RONGFANG LI
North Carolina State University
Pairwise key establishment is a fundamental security service in sensor networks it enables sensor
nodes to communicate securely with each other using cryptographic techniques. However, due
to the resource constraints on sensor nodes, it is not feasible to use traditional key management
techniques such as public key cryptography and key distribution center (KDC). A number of key
predistribution techniques have been proposed for pairwise key establishment in sensor networks
recently. To facilitate the study of novel pairwise key predistribution techniques, this paper
develops a general framework for establishing pairwise keys between sensor nodes using bivariate
polynomials. This paper then proposes two efficient instantiations of the general framework: a
random subset assignment key predistribution scheme, and a hypercube-based key predistribution
scheme.
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