Abstract
There has been a significant increase in the proliferation and implementation of Wireless Sensor Networks (WSNs) in different disciplines, including the monitoring of maritime environments, healthcare systems, and industrial sectors. It has now become critical to address the security issues of data communication while considering sensor node constraints. There are many proposed schemes, including the scheme being proposed in this paper, to ensure that there is a high level of security in WSNs. This paper presents a symmetric security scheme for a maritime coastal environment monitoring WSN. The scheme provides security for travelling packets via individually encrypted links between authenticated neighbors, thus avoiding a reiteration of a global rekeying process. Furthermore, this scheme proposes a dynamic update key based on a trusted node configuration, called a leader node, which works as a trusted third party. The technique has been implemented in real time on a Waspmote test bed sensor platform and the results from both field testing and indoor bench testing environments are discussed in this paper.
Highlights
Recent advances in Wireless Sensor Networks (WSNs) have meant that sensor nodes are capable of processing and transmitting environmental monitored data in real time to end users who are located far from the area covered by the sensor network
Security for WSNs has been examined and developed upon for different application domains, such as medical and environmental. It has been shown by Mathur et al in [1] that it is possible to provide a patient monitoring system that resolves security issues associated with data loss, while in
This paper presents a security mechanism suitable for marine coastal monitoring, where each node in a line topology sends packets encrypted with its secret key, called the Adjacent key, to provide data confidentiality
Summary
Recent advances in Wireless Sensor Networks (WSNs) have meant that sensor nodes are capable of processing and transmitting environmental monitored data in real time to end users who are located far from the area covered by the sensor network. The main advantages of using IEEE 802.15.4 are very low energy consumption, the capability of using different network topologies, for instance point-to-point topology the capability of inter-operability with transmit/receive chips, such as XBee 802.15.4 pro and the ability to engage with Wi-Fi. The scheme being proposed in this paper addresses the main issues in security mechanisms based on the symmetric encryption algorithm, including memory, storage space, key generation, and re-keying. This paper presents a security mechanism suitable for marine coastal monitoring, where each node in a line topology sends packets encrypted with its secret key, called the Adjacent key, to provide data confidentiality This key is shared only with an authorized neighbor in the network.
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