How to construct efficient signcryption schemes on elliptic curves
Information Processing Letters
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
Guide to Elliptic Curve Cryptography
Guide to Elliptic Curve Cryptography
Wireless sensor networks: A survey on the state of the art and the 802.15.4 and ZigBee standards
Computer Communications
A Secure Lightweight Architecture for Wireless Sensor Networks
UBICOMM '08 Proceedings of the 2008 The Second International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies
A unified security framework with three key management schemes for wireless sensor networks
Computer Communications
Layer Key Management Scheme on Wireless Sensor Networks
IAS '09 Proceedings of the 2009 Fifth International Conference on Information Assurance and Security - Volume 02
IEEE Transactions on Wireless Communications
Review: Wireless sensor network key management survey and taxonomy
Journal of Network and Computer Applications
Private key agreement and secure communication for heterogeneous sensor networks
Journal of Parallel and Distributed Computing
The price of security in wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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A Wireless sensor network (WSN) is composed of numerous sensor nodes with both insecurely limited hardware and restricted communication capabilities. ThusWSNs suffer from some inherent weaknesses. Key management is an interesting subject in WSNs because it is the fundamental element for all security operations. A few key management models for heterogeneous sensor networks have been proposed in recent years. In this paper, we propose a new key management scheme based on elliptic curve cryptography and signcryption method for hierarchical heterogeneous WSNs. Our scheme as a secure infrastructure has superior sensor node mobility and network scalability. Furthermore, we propose both a periodic authentication and a new registration mechanism in our scheme due to prevention of sensor node compromising. Also, the proposed scheme does not increase the number of keys in sensor nodes and has a reasonable communication and computation overhead compared with the other schemes.