Data Structures and Algorithms


Security and Key Management Challenges Over WSN (a Survey)

Authors: Nesma Abd El-mawla, Mahmoud Badawy, Hesham Arafat

Wireless sensor networks (WSNs) have turned to be the backbone of most present-day information technology, which supports the service-oriented architecture in a major activity. Sensor nodes and its restricted and limited resources have been a real challenge because there’s a great engagement with sensor nodes and Internet Of things (IoT). WSN is considered to be the base stone of IoT which has been widely used recently in too many applications like smart cities, industrial internet, connected cars, connected health care systems, smart grids, smart farming and it's widely used in both military and civilian applications now, such as monitoring of ambient conditions related to the environment, precious species and critical infrastructures. Secure communication and data transfer among the nodes are strongly needed due to the use of wireless technologies that are easy to eavesdrop, in order to steal its important information. However, is hard to achieve the desired performance of both WSNs and IoT and many critical issues about sensor networks are still open. The major research areas in WSN is going on hardware, operating system of WSN, localization, synchronization, deployment, architecture, programming models, data aggregation and dissemination, database querying, architecture, middleware, quality of service and security. In This paper we discuss in detail all about Wireless Sensor Networks, its classification, types, topologies, attack models and the nodes and all related issues and complications. We also preview too many challenges about sensor nodes and the proposed solutions till now and we make a spot ongoing research activities and issues that affect security and performance of Wireless Sensor Network as well. Then we discuss what’s meant by security objectives, requirements and threat models. Finally, we make a spot on key management operations, goals, constraints, evaluation metrics, different encryption key types and dynamic key management schemes.

Comments: 20 Pages.

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Submission history

[v1] 2019-04-05 14:51:28

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