Key management scheme based on composite design and identity encryption for clustered wireless sensor networks
Xuguang Wu · Journal of Computer Applications · 2012
The existing clustered key management scheme for Wireless Sensor Networks(WSN) has poor robustness,resilience of cluster head nodes and extensibility.This scheme took the composite design to construct the key subset of cluster in order to make all the nodes in the same cluster share a common key.The nodes in the same cluster took the Elliptic Curve Cryptography(ECC) to establish the pairwise key between the nodes,and the cluster head nodes of more energy took the identity-based encryption to establish the pairwise key between the cluster head nodes.In this scheme,the nodes could join and leave networks dynamically.The performance analysis shows that this scheme has good robustness,resilience of cluster head nodes and extensibility with lower communication overhead and storage cost.