The security of the cipher block chaining message authentication code
Journal of Computer and System Sciences
A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
A Concrete Security Treatment of Symmetric Encryption
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
TinySec: a link layer security architecture for wireless sensor networks
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
An efficient scheme for authenticating public keys in sensor networks
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
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In this paper, we introduce a novel security protocol for wireless network of sensors. The new security mechanism is efficient, flexible, and very amenable for deployment in the resource constrained sensor networks. Our cryptosystem is a simple and fast stream cipher that utilizes permutation vectors as encryption keys, forcing an intruder to a brute-force time complexity of Ω(2n). In addition, our mechanism alleviates the effect of sensor capture, via its re-keying feature. It also utilizes the group deployment of newly joining sensors in order to reduce the overall energy consumption. Extensive experimental results indicate that the performance of our system excels over other state-of-the-art peer modern crypto systems (AES, DES, TripleDES), especially in the power budget arena.