University of Twente Student Theses


Analysis of node performance in lightweight key management protocols in IoT networks

Hinojosa, Luis G. (2023) Analysis of node performance in lightweight key management protocols in IoT networks.

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Abstract:Recently, the Internet of Things (IoT) has become increasingly ubiquitous as the development of technologies like smart homes and smart cities has gained traction. In view of this, it is concerning that one of the main weaknesses of IoT networks is their security. These networks face resource constraints that make traditional cybersecurity measures impractical due to their computational demands. Given the sensitive nature of data transmitted by IoT devices, the development of lightweight Key Management Protocols (KMPs) tailored for resource-limited IoT nodes has gathered significant interest. However, the field is still in the preliminary stages of research. This paper offers a comparative analysis of two lightweight KMPs from the literature. First, an implementation of a network environment using the Raspberry Pi as a testing node is presented. A performance analysis is run, and a respective benchmarking of the different key operations in both protocols is presented. We discovered that within a moderately sparse network, the performance of a hybrid KMP does not match the efficacy observed with a more commonly used protocol that employs solely public key infrastructure-based encryption. However, we discuss how this is likely to be subject to the network topology.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:54 computer science
Programme:Business & IT BSc (56066)
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