Abstract
Wireless Body Sensor Networks (WBSNs) are gaining importance in the era of the Internet of Things (IoT). The modern medical system is a particular area where the WBSN techniques are being increasingly adopted for various fundamental operations. Despite such increasing deployments of WBSNs, issues such as the infancy in the size, capabilities and limited data processing capacities of the sensor devices restrain their adoption in resource-demanding applications. Though providing computing and storage supplements from cloud servers can potentially enrich the capabilities of the WBSNs devices, data security is one of the prevailing issues that affects the reliability of cloud-assisted services. Sensitive applications such as modern medical systems demand assurance of the privacy of the users’ medical records stored in distant cloud servers. Since it is economically impossible to set up private cloud servers for every client, auditing data security managed in the remote servers has necessarily become an integral requirement of WBSNs’ applications relying on public cloud servers. To this end, this paper proposes a novel certificateless public auditing scheme with integrated privacy protection. The multi-user model in our scheme supports groups of users to store and share data, thus exhibiting the potential for WBSNs’ deployments within community environments. Furthermore, our scheme enriches user experiences by offering public verifiability, forward security mechanisms and revocation of illegal group members. Experimental evaluations demonstrate the security effectiveness of our proposed scheme under the Random Oracle Model (ROM) by outperforming existing cloud-assisted WBSN models.
Highlights
Wireless Sensor Networks (WSNs) have become increasingly popular and find deployments in several Internet of Things (IoT) applications such as military, transportation, healthcare, etc
This paper proposes a cloud-assisted Wireless Body Sensor Networks (WBSNs) public auditing scheme in a multi-user model
This paper proposes a cloud-assisted WBSNs public auditing scheme in a multi-user model with privacy protection
Summary
Wireless Sensor Networks (WSNs) have become increasingly popular and find deployments in several IoT applications such as military, transportation, healthcare, etc. Security in WBSNs: general,The the first communication model of wireless body sensor networks canresearch be divided into two In segments. WBSNs still need an effective security mechanism for counteracting the resource constraints of wearable devices in applications such as mobile health services (m-health), probability computing, medical social networks, data mining, etc. In [35], a secure and privacy-protecting key management scheme for cloud-assisted WBSNs in m-healthcare social networks has been proposed. In order to ensure the integrity of medical data stored in the cloud, some public auditing schemes for cloud-assisted WBSNs have been proposed [41,42,43] In these schemes, the cloud server could obtain user uploaded data directly, and this would result in the disclosure of users’ sensitive medical information. Our contributions: Based on the above considerations, this paper presents a public auditing scheme with privacy protection for cloud-assisted WBSNs supporting a multi-user model.
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