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Published in:
2011 | OriginalPaper | Chapter
KALwEN+: Practical Key Management Schemes for Gossip-Based Wireless Medical Sensor Networks
Authors : Zheng Gong, Qiang Tang, Yee Wei Law, Hongyang Chen
Published in: Information Security and Cryptology
Publisher: Springer Berlin Heidelberg
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The constrained resources of sensors restrict the design of a key management scheme for wireless sensor networks (WSNs). In this work, we first formalize the security model of ALwEN, which is a gossip-based wireless medical sensor network (WMSN) for ambient assisted living. Our security model considers the node capture, the gossip-based network and the revocation problems, which should be valuable for ALwEN-like applications. Based on Shamir’s secret sharing technique, we then propose two key management schemes for ALwEN, namely the KALwEN+ schemes, which are proven with the security properties defined in the security model. The KALwEN+ schemes not only fit ALwEN, but also can be tailored to other scalable wireless sensor networks based on gossiping.