SPINS: security protocols for sensor networks
Wireless Networks
Multilevel μTESLA: Broadcast authentication for distributed sensor networks
ACM Transactions on Embedded Computing Systems (TECS)
An efficient scheme for authenticating public keys in sensor networks
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
Practical Broadcast Authentication in Sensor Networks
MOBIQUITOUS '05 Proceedings of the The Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
Seven cardinal properties of sensor network broadcast authentication
Proceedings of the fourth ACM workshop on Security of ad hoc and sensor networks
Reducing ıTESLA memory requirements
ICSNC '07 Proceedings of the Second International Conference on Systems and Networks Communications
Mitigating DoS attacks against broadcast authentication in wireless sensor networks
ACM Transactions on Sensor Networks (TOSN)
Denial-of-Service in Wireless Sensor Networks: Attacks and Defenses
IEEE Pervasive Computing
Enhancing broadcast authentication in sensor networks
SpringSim '10 Proceedings of the 2010 Spring Simulation Multiconference
Designing secure sensor networks
IEEE Wireless Communications
On Broadcast Authentication in Wireless Sensor Networks
IEEE Transactions on Wireless Communications
Wormhole attacks in wireless networks
IEEE Journal on Selected Areas in Communications
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Due to the nature of wireless sensor networks, security is a critical problem since resource constrained and usually unattended sensors are much vulnerable to malicious attackers that may impersonate the sender. Therefore authenticating received messages is a crucial matter to protect the system integrity. Generally used TESLA (Timed Efficient Stream Loss-tolerant Authentication) based authentication techniques involve consecutive delays for decryption purposes. These delays render the network vulnerable to different malicious attacks such as Denial of Service attack. As several techniques try to achieve immediate authentication to alleviate these threats, other factors such as reliability and buffer requirements may have been compromised. This paper proposes an integration of Low Buffer μTESLA protocol and an immediate authentication protocol to achieve a new refined scheme in broadcast authentication in sensor networks. Performance analysis and simulation results demonstrate that the proposed method succeeds to achieve immediate authentication while preserving desired security and low memory requirements in sensor nodes.