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Robustness Evaluation of Key Management Against Attacks in Wireless Sensor Network

Hosseini Pour, Ahmad Reza | 2010

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 40270 (19)
  4. University: Sharif University of Technology
  5. Department: Computer Engineering
  6. Advisor(s): Jahangir, Amir Hossein
  7. Abstract:
  8. Wireless sensor networks (WSNs) are composed of many independent spatially-distributed sensor nodes where communicate their information acquired from environment to shape a uniform view of their managed scope. Using WSNs in places which human can hardly attend uninterruptedly, as well as constraints such as low power consumption, low price, small size, and limited radio range, are the biggest challenges for researchers and WSN designers. Supplying security is yet another common challenge of using these networks. The beginning chapters of this dissertation introduce the most important security mechanisms in WSNs, that is, key management and cryptography. Since each application has its own specific constraints, a universal key management mechanism cannot be applied to all applications. We therefore provide a method to evaluate the robustness of different key management mechanisms against attacks in these networks. Based upon this method, we can select appropriate application-specific key management amongst the different mechanisms. At the end, we propose a framework to apply implementation expenses of the different key management mechanisms to the estimation of their robustness against attacks.
  9. Keywords:
  10. Wireless Sensor Network ; Key Management ; Data Security ; Byzantine Attacks ; Robustness Evaluation

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