2 research outputs found
Fog based Secure Framework for Personal Health Records Systems
The rapid development of personal health records (PHR) systems enables an
individual to collect, create, store and share his PHR to authorized entities.
Health care systems within the smart city environment require a patient to
share his PRH data with a multitude of institutions' repositories located in
the cloud. The cloud computing paradigm cannot meet such a massive
transformative healthcare systems due to drawbacks including network latency,
scalability and bandwidth. Fog computing relieves the burden of conventional
cloud computing by availing intermediate fog nodes between the end users and
the remote servers. Aiming at a massive demand of PHR data within a ubiquitous
smart city, we propose a secure and fog assisted framework for PHR systems to
address security, access control and privacy concerns. Built under a fog-based
architecture, the proposed framework makes use of efficient key exchange
protocol coupled with ciphertext attribute based encryption (CP-ABE) to
guarantee confidentiality and fine-grained access control within the system
respectively. We also make use of digital signature combined with CP-ABE to
ensure the system authentication and users privacy. We provide the analysis of
the proposed framework in terms of security and performance.Comment: 12 pages (CMC Journal, Tech Science Press
Secure Authentication and Privacy-Preserving Techniques in Vehicular Ad-hoc NETworks (VANETs)
In the last decade, there has been growing interest in Vehicular Ad Hoc NETworks (VANETs). Today car manufacturers have already started to equip vehicles with sophisticated sensors that can provide many assistive features such as front collision avoidance, automatic lane tracking, partial autonomous driving, suggestive lane changing, and so on. Such technological advancements are enabling the adoption of VANETs not only to provide safer and more comfortable driving experience but also provide many other useful services to the driver as well as passengers of a vehicle. However, privacy, authentication and secure message dissemination are some of the main issues that need to be thoroughly addressed and solved for the widespread adoption/deployment of VANETs. Given the importance of these issues, researchers have spent a lot of effort in these areas over the last decade. We present an overview of the following issues that arise in VANETs: privacy, authentication, and secure message dissemination. Then we present a comprehensive review of various solutions proposed in the last 10 years which address these issues. Our survey sheds light on some open issues that need to be addressed in the future