Revocation in sensor networks is a challenging problem because asymmetric key cryptosystems are unsuitable for use in resource constrained sensor nodes. We present some properties of node revocation in distributed sensor networks (DSN) and explain their implementation…
Contents
1 Introduction
1.1 Organization
1.2 Mobile Ad-Hoc Network (MANET)
1.3 Distributed Sensor Networks (DSN)
2 Revocation in DSNs
2.1 An Approach to Centralized Revocation
2.1.1 The Probabilistic Key Distribution Scheme
2.1.2 Revocation
2.1.3 Summary
2.2 Distributed Revocation
2.2.1 The Random-Pairwise Key Distribution Scheme
2.2.2 Revocation
2.3 Problems of Distributed Revocation Schemes based on Voting
2.3.1 Revocation Vote Authenticity:
2.3.2 Node Replication Falls Outside the Scope of Node-Degree Counting in Neighborhoods
2.3.3 Irrevocable Nodes
2.3.4 Unspeci¯ed Revocation Policies
3 A Distributed Revocation Scheme
3.1 A Distributed Revocation Scheme
3.1.1 Cryptographic Primitives Used
3.1.2 Off-line Node Initialization
3.1.3 Activation of a Revocation Session
3.1.4 Revocation Commit and Target Revocation
3.1.5 Propagation and Global Veri¯cation of Local Revoca-tion Commit
4 Evaluation
4.1 De¯nitions
4.2 Properties of Revocation :
4.3 Problems not Addressed by the Distributed Revocation Scheme
5 Conclusion
5.1 Conclusions and future work:
Bibliography
Author: Muralidharan, Gautam
Source: University of Maryland
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