Abstract
Internet of Things (IoT) is an emerging paradigm involving intelligent sensor networks that incorporates embedded technology for collecting data, communicating with external environments. Recently, cloud computing together with fog computing has become an important research area of the Internet of Things because of big data processing capabilities. It is a promising technology that utilizes cloud or fog computing / architecture to improve sensor computing, storage, and communication capabilities. However, recently it has been shown that this computing/architecture may be vulnerable to various attacks because of the openness nature of the wireless network. Therefore, it becomes more and more important to ensure the security and privacy in these scenes. Encryption security and information hiding technology can provide authentication, confidentiality, integrity, anti-eavesdropping, availability and so on for these computing models or architectures. The purpose of this review is to look for original articles with novel ideas and solutions to address encryption security and information hiding technologies in cloud or fog-based Internet of Things systems. We hope this review will provide an opportunity for scientists, researchers and industry engineers to study original manuscripts and know developments in all aspects of security, privacy, trust, and covert communication issues in cloud or fog computing/architecture Internet of Things systems.
Highlights
With the development of information technology, Internet of things (IoT) [Atzori, Iera and Morabito (2010)] is booming
Since the Cloud and Fog technology can provide new paradigms for the development of distributed, heterogeneous and complex systems that are characterized by large storage space, large amounts of data, high-end computing capabilities and interoperable networks, a system based on Cloud or Fog can provide different conveniences for IoT [Arfat, Aqib, Mehmood et al (2017)]
3.2 Encryption security and information hiding technology in fog computing In Wang et al.’s [Wang, Zhang, Bhuiyan et al (2018)], a hierarchical trust mechanism based on fog is proposed to solve the defects of trust mechanism in order to solve these network security defects
Summary
With the development of information technology, Internet of things (IoT) [Atzori, Iera and Morabito (2010)] is booming. IoT can connect sensors, controllers, machines, people and things together with the local networks or the Internet using wireless communications, which achieves information exchange, remote management control and intellisense [Kaur and Kaur (2017)]. This means that a large amount of data will be generated, and the management of sensitive outsourcing data will be a great challenge [Liu, Peng and Wang (2018)]. According to a report released by Forbes in 2015, security spending of CoT is expected to grow by 42% From this we can see that the security of cloud based IoT will be more and more important.
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