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Security in wireless actor & sensor networks (WASN): towards a hierarchical re-keying design

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2 Author(s)
Fei Hu ; Comput. Eng., RIT, Rochester, NY, USA ; Xiaojun Cao

Our work aims to address the challenging security issues in an important information infrastructure - large-scale and low-energy wireless actuator and sensor networks (WASN). Since WASNs have specific network constraints and data transmission requirements compared to general ad hoc networks and other wireless/wired networks, the security issues need to be tackled accordingly. We propose to seamlessly integrate WASN security with a promising routing architecture that is scalable and energy-efficient. To protect from active attacks in mobile sensor networks, we propose two-level re-keying/re-routing schemes that can not only adapt to a dynamic network topology but also securely update keys for each data transmission session. Moreover, to provide the security for the in-networking processing such as data aggregation in WASNs, we define a multiple-key management scheme in conjunction with the proposed tree-ripple-zone (TRZ) routing architecture.

Published in:

Information Technology: Coding and Computing, 2005. ITCC 2005. International Conference on  (Volume:2 )

Date of Conference:

4-6 April 2005

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