A Key Establishment Scheme for Mobile Wireless Sensor Networks Using Post-Deployment Knowledge

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Provided by: Academy & Industry Research Collaboration Center
Topic: Mobility
Format: PDF
Establishment of pairwise keys between sensor nodes in a sensor network is a difficult problem due to resource limitations of sensor nodes as well as vulnerability to physical captures of sensor nodes by the enemy. Public-key cryptosystems are not much suited for most resource-constrained sensor networks. Recently, elliptic curve cryptographic techniques show that public key cryptosystem is also feasible for resource-constrained sensor networks. However, most researchers accept that the symmetric key cryptosystems are viable options for resource-constrained sensor networks. In this paper, the authors first develop a basic principle to address the key pre-distribution problem in mobile sensor networks.
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