Freshness Consideration of Hierarchical Key Agreement Protocol in WSNs

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Security
Format: PDF
Wireless Sensor Networks (WSNs) are often deployed in potentially adverse or even hostile environment so that there are concerns on security issues in these WSNs. Sensor nodes with resource-constrained make security applications a challenging problem. Key agreement is a fundamental security service in WSNs, which enables sensor nodes to communicate securely with each other using cryptographic techniques. However, due to the resource constraints on sensor nodes, it is infeasible to use traditional key management techniques such as public key cryptography and key distribution center.
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