The security of the cipher block chaining message authentication code
Journal of Computer and System Sciences
SPINS: security protocols for sensor networks
Proceedings of the 7th annual international conference on Mobile computing and networking
A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
Random Key Predistribution Schemes for Sensor Networks
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
LEAP: efficient security mechanisms for large-scale distributed sensor networks
Proceedings of the 10th ACM conference on Computer and communications security
Establishing pairwise keys in distributed sensor networks
ACM Transactions on Information and System Security (TISSEC)
A pairwise key predistribution scheme for wireless sensor networks
ACM Transactions on Information and System Security (TISSEC)
IEEE Communications Magazine
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To guarantee secure communication in wireless sensor networks, secret keys should be securely established between sensor nodes. Recently, an efficient security mechanism was proposed for large-scale distributed sensor networks by Zhu, Setia, and Jajodia. In their scheme, each node uses a single initial key to establish pair-wise keys and erases the key after key setup. If the key is compromised during key setup, however, the entire network will be compromised. Therefore, the performance overhead during key setup is very important for the speedy key establishment. In this paper, we propose a modified scheme which reduces the performance overhead during key setup and has provable security after key setup.