Use of elliptic curves in cryptography
Lecture notes in computer sciences; 218 on Advances in cryptology---CRYPTO 85
Key Agreement in Dynamic Peer Groups
IEEE Transactions on Parallel and Distributed Systems
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
A pairwise key pre-distribution scheme for wireless sensor networks
Proceedings of the 10th ACM conference on Computer and communications security
TinySec: a link layer security architecture for wireless sensor networks
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
TAG: a Tiny AGgregation service for Ad-Hoc sensor networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Secure clustering and symmetric key establishment in heterogeneous wireless sensor networks
EURASIP Journal on Wireless Communications and Networking - Special issue on security and resilience for smart devices and applications
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Sensor nodes have limited computation and battery power, and are not very reliable. A sensor network needs to be secure against eavesdrop when it is deployed in hostile environments. In order to provide security at low cost, symmetric key based approaches [11] have been proposed. In [9], an elliptic curve cryptography based approach has been implemented to facilitate the public-key cryptography. However, these schemes become ineffective in terms memory usage, communication time and energy required with the rapidly growing network size. We propose an Energy and Communication Efficient Group key management (ECEG) scheme which reduces the usage of memory, communication and energy in sensors. This scheme designed based on the idea that each node is pre-loaded with a key chain and an elliptic curve. In our scheme instead of computing the key by collaborating with other nodes a point of the elliptic curve broadcasted from the base station is used to compute the key. The simulations conducted using TinyOS [15] shows that ECEG scheme significantly improves the communication and energy usage in computing the key over EccM [9].