An optimal class of symmetric key generation systems
Proc. of the EUROCRYPT 84 workshop on Advances in cryptology: theory and application of cryptographic techniques
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
Perfectly-Secure Key Distribution for Dynamic Conferences
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Random Key Predistribution Schemes for Sensor Networks
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
Key Infection: Smart Trust for Smart Dust
ICNP '04 Proceedings of the 12th IEEE International Conference on Network Protocols
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
Evolutionary design of secrecy amplification protocols for wireless sensor networks
Proceedings of the second ACM conference on Wireless network security
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To guarantee secure communication in wireless sensor networks, secret keys should be securely established between sensor nodes. Recently, a simple key distribution scheme has been proposed for pair-wise key establishment in sensor networks by Anderson, Chan, and Perrig. They defined a practical attack model for non-critical commodity sensor networks. Unfortunately, the scheme is vulnerable under their attack model. In this paper, we describe the vulnerability in their scheme and propose a modified one. Our scheme is secure under their attack model and the security of our scheme is proved. Furthermore, our scheme does not require additional communication overhead nor additional infrastructure to load potential keys into sensor nodes.