Next century challenges: mobile networking for “Smart Dust”
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
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
Energy-Efficient Communication Protocol for Wireless Microsensor Networks
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8 - Volume 8
Random Key Predistribution Schemes for Sensor Networks
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
Establishing Pairwise Keys for Secure Communication in Ad Hoc Networks: A Probabilistic Approach
ICNP '03 Proceedings of the 11th IEEE International Conference on Network Protocols
Random key-assignment for secure Wireless Sensor Networks
Proceedings of the 1st ACM workshop on Security of ad hoc and sensor networks
A system for simulation, emulation, and deployment of heterogeneous sensor networks
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Maintaining differentiated coverage in heterogeneous sensor networks
EURASIP Journal on Wireless Communications and Networking
Lightweight detection and classification for wireless sensor networks in realistic environments
Proceedings of the 3rd international conference on Embedded networked sensor systems
Wireless Communications & Mobile Computing - Wireless Network Security
SecLEACH - A Random Key Distribution Solution for Securing Clustered Sensor Networks
NCA '06 Proceedings of the Fifth IEEE International Symposium on Network Computing and Applications
Stochastic coverage in heterogeneous sensor networks
ACM Transactions on Sensor Networks (TOSN)
Energy efficient Chessboard Clustering and routing in heterogeneous sensor networks
International Journal of Wireless and Mobile Computing
IEEE Communications Magazine
ACM Transactions on Sensor Networks (TOSN)
A new key management scheme in heterogeneous wireless sensor networks
ICACT'10 Proceedings of the 12th international conference on Advanced communication technology
International Journal of Internet Technology and Secured Transactions
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Key distribution refers to the problem of establishing shared secrets on sensor nodes such that secret symmetric keys for communication privacy, integrity and authenticity can be generated. In a wireless sensor network, pre-distribution of secret keys is possibly the most practical approach to protect network communications but it is difficult due to the ad hoc nature, intermittent connectivity, and resource limitations of the sensor networks. In this paper, we propose a key distribution scheme based on random key pre-distribution for heterogeneous sensor network (HSN) to achieve better performance and security as compared to homogeneous network which suffer from high communication overhead, computation overhead, and/or high storage requirements. In a key generation process, instead of generating a large pool of random keys, a key pool is represented by a small number of generation keys. For a given generation key and publicly known seed value, a one-way hash function generates a key chain, and these key chains collectively make a key pool. Each sensor node is assigned a small number of randomly selected generation keys. The proposed scheme reduces the storage requirements while maintaining the same security strength.