An optimal class of symmetric key generation systems
Proc. of the EUROCRYPT 84 workshop on Advances in cryptology: theory and application of cryptographic techniques
Combinatorics of experimental design
Combinatorics of experimental design
A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
A pairwise key pre-distribution scheme for wireless sensor networks
Proceedings of the 10th ACM conference on Computer and communications security
Deterministic key predistribution schemes for distributed sensor networks
SAC'04 Proceedings of the 11th international conference on Selected Areas in Cryptography
A key pre-distribution scheme for wireless sensor networks: merging blocks in combinatorial design
ISC'05 Proceedings of the 8th international conference on Information Security
A hybrid design of key pre-distribution scheme for wireless sensor networks
ICISS'05 Proceedings of the First international conference on Information Systems Security
An Application-Oriented Framework for Wireless Sensor Network Key Establishment
Electronic Notes in Theoretical Computer Science (ENTCS)
Combinatorial structures for design of wireless sensor networks
ACNS'06 Proceedings of the 4th international conference on Applied Cryptography and Network Security
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Key pre-distribution is an important area of research in Distributed Sensor Networks (DSN). Two sensor nodes are considered connected for secure communication if they share one or more common secret key(s). It is important to analyze the largest subset of nodes in a DSN where each node is connected to every other node in that subset (i.e., the largest clique). This parameter (largest clique size) is important in terms of resiliency and capability towards efficient distributed computing in a DSN. In this paper, we concentrate on the schemes where the key pre-distribution strategies are based on transversal design and study the largest clique sizes. We show that merging of blocks to construct a node provides larger clique sizes than considering a block itself as a node in a transversal design.