Directed diffusion: a scalable and robust communication paradigm for sensor networks
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
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
A pairwise key predistribution scheme for wireless sensor networks
ACM Transactions on Information and System Security (TISSEC)
Distributed collaboration for event detection in wireless sensor networks
MPAC '05 Proceedings of the 3rd international workshop on Middleware for pervasive and ad-hoc computing
SecRout: A Secure Routing Protocol for Sensor Networks
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 01
Secure cell relay routing protocol for sensor networks: Research Articles
Wireless Communications & Mobile Computing - Wireless Network Security
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Secure sensor network routing: a clean-slate approach
CoNEXT '06 Proceedings of the 2006 ACM CoNEXT conference
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When using wireless sensor networks for real-time event alarming, it is critical to ensure event notification in a timely manner. Additionally, it is extremely important to ensure the alarms generated by the sensors propagate securely through the network to the sink. Another important factor to consider is energy, as it is a limited resource in wireless sensor networks. Accordingly, maximizing network lifetime is always an optimization goal. To address the aforementioned concerns, in this paper we present the Authentic Delay Bounded Event Detection System (ADBEDS). ADBEDS works in rounds, and in each round an event detection tree is responsible for simultaneously detecting events, routing packets to a gateway node, and detecting injection of false packets. The ADBEDS can support k-watching composite events to allow event detection in a redundant manner. Additionally, the corresponding event alarm can be delivered within a user-specified bounded delay. The use of energy-based keying allows smaller, more efficient keys as input to security mechanisms, allowing further reduction in energy consumption of the ADBEDS. We evaluate the energy efficiency and reliability of ADBEDS using theoretical analysis and simulation.