A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
Random Key Predistribution Schemes for Sensor Networks
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
Energy Analysis of Public-Key Cryptography for Wireless Sensor Networks
PERCOM '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications
A survey of key management schemes in wireless sensor networks
Computer Communications
Review: Wireless sensor network key management survey and taxonomy
Journal of Network and Computer Applications
A survey on key management mechanisms for distributed Wireless Sensor Networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Sensor network security: a survey
IEEE Communications Surveys & Tutorials
Review: Dynamic key management in wireless sensor networks: A survey
Journal of Network and Computer Applications
Survey Flying Ad-Hoc Networks (FANETs): A survey
Ad Hoc Networks
Networking Models in Flying Ad-Hoc Networks (FANETs): Concepts and Challenges
Journal of Intelligent and Robotic Systems
Journal of Intelligent and Robotic Systems
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Cyber-Physical Systems (CPSs) have emerged as a promising approach to facilitate the integration of the cyber and physical worlds in highly interconnected and complex ways. CPSs consist of several components, such as sensors, actuators, controllers, etc., and their structures are being complicated, and their scales are increasing day by day. Therefore, the data reliability and security have emerged as critical challenges between physical and virtual components of these systems. Wireless Sensor Networks (WSNs) are accepted as one of the most crucial technologies for building future CPSs. Because of their wireless and dynamic nature, WSNs are more vulnerable to security attacks than wired networks. The main solution for this problem is the usage of signed messages with symmetric or asymmetric key cryptography. Although, asymmetric key cryptography increases network security, it also causes severe computational, memory, and energy overhead for sensor nodes. On the other hand, symmetric key cryptography has the difficulty of providing high-level security and efficient key management scheme; however, it is better in terms of speed and low energy cost. In this paper, it is aimed to build a multi-level dynamic key management system for WSNs with the aid of an Unmanned Aerial Vehicle (UAV), which is a key distribution and coordination center for asymmetric keys. After that, each sensor node constructs different symmetric keys with its neighbors, and communication security is achieved by data encryption and mutual authentication with these keys. Evaluation results show the proposed system is scalable, and its performance is significantly better than asymmetric key management systems.