A Unified Security Framework for IP Based Wireless Sensor Networks
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The IEEE 802.15.4 standard for Low Power Wireless Personal Area Networks (LoWPANs) has emerged as a promising technology to bring envisioned ubiquitous paragon, into realization. Efforts are being carried on to integrate LoWPANs with other wired and wireless IP networks. Designing a security solution becomes a challenging task as it involves threats not only from wireless domain but also from extremely mature IP domain. We present a security framework that can act as basic design goal for any security architecture proposed for 6LoWPAN. Proposal include an authentication protocol,a malicious no...
The IEEE 802.15.4 standard for Low Power Wireless Personal Area Networks (LoWPANs) has emerged as a promising technology to bring envisioned ubiquitous paragon, into realization. Efforts are being carried on to integrate LoWPANs with other wired and wireless IP networks. Designing a security solution becomes a challenging task as it involves threats not only from wireless domain but also from extremely mature IP domain. We present a security framework that can act as basic design goal for any security architecture proposed for 6LoWPAN. Proposal include an authentication protocol,a malicious node removal mechanism (TASER) and a unified security framework with three key management schemes, SACK, SACK-P, and SACK-H that incorporate symmetric, asymmetric and the hybrid cryptography , respectively. We have evaluated the key management schemes against a broad range of metrics such as energy, resource utilization, scalability and resilience to node compromises.Our results substantiate arelationship between the level of security and resource-utilization and form a design benchmark for security frameworks.
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