Towards an Efficient Certificateless Access Control Scheme for Wireless Body Area Networks
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Towards an Efficient Certificateless Access Control Scheme for Wireless Body Area Networks Philemon Kasyoka1,2 · Michael Kimwele2 · Shem Mbandu Angolo3
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Wireless body area networks have become popular due to recent technological developments in sensor technology. A sensor can be used to collect data from different environments of interest, process and communicate the data to other nodes in a network. By its very nature, a sensor node is limited in resource usage. Due to these limitations, numerous security challenges have emerged in their applications, hence the need for more efficient and secure cryptosystems. In this paper, we give an efficient certificateless pairingfree signcryption scheme then design a secure access control scheme that can satisfy both the properties of ciphertext authentication and public verifiability using the signcryption scheme. A formal security proof of our scheme in random oracle model is provided. In addition, we compare the efficiency of our access control scheme with other existing schemes that are based on signcryption scheme. The analysis reveals that our scheme achieves better trade-off for computational and communication cost. Keywords Access control · Certificateless scheme · Signcryption · Wireless body area network
1 Introduction Wireless body area networks (WBANs) have the capacity to collect physiological data and environmental parameters via sensor nodes. The sensors in WBANs are said to perform three main tasks, i.e. sensing patients’ vital signs, processing and communicating data [1]. Sensors are expected to monitor the environment for parameters which they are capable of collecting and process before sending it to the sink or controller in its communication task. The sensors in a WBAN could be either invasive or non-invasive. Inversive sensors can be inserted into human body while the non-invasive are attached to the human * Philemon Kasyoka [email protected] 1
School of Computing and Information Technology, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
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School of Information and Communication Technology, South Eastern Kenya University, Kitui, Kenya
3
School of Computing and Mathematics, Co-Operative University of Kenya, Karen, Nairobi, Kenya
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skin [2]. Though these sensors are resource constrained in nature, they have found a lot of use in application areas ranging from indoor deployment scenarios in homes to outdoor deployment in hostile areas where they can easily be preyed upon and compromised by an adversary. In the medical field, wireless sensors and communication technologies are increasingly being deployed in remote healthcare management [3]. The potential use of sensors has been demonstrated in [4, 5]. In their work, there was improved detection of clinical deterioration through real-time patient monitoring and improved life quality of the elderly through Ubiquitous Healthcare Monitoring system where
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