A Group Authentication Protocol on Multilayer Structure for Privacy-Preserving IoT Environment


In the Internet of Things (IoT) systems, large amounts of data areaccumulated from anywhere at any time, which may attack individuals' privacy,especially when systems are utilized in medical and everyday environments. With thepromise of IoT's proactive systems, the integration of smart things into standardInternet creates several security challenges, because most Internet technologies,communication protocols and sensors are not designed to support IoT. Recentresearch studies have shown that launching security / privacy attacks against IoTactive systems, in particular, Wearable Medical Sensor (WMS) systems, may lead tocatastrophic situations and life-threatening conditions. Therefore, security threatsand privacy concerns in the IoT area should be actively studied. This causes us inthis paper to create a privacy authentication protocol for IoT end-devices on a fourlayer structure that does not have the ability to accurately identify the device ofrequest's sender so that some attacks can be minimized. We used the Blakley Sharingscheme to design a key generation and distribution system for secure communicationsbetween edge devices and end devices and examined the security properties of theprotocol for the five common attacks in the IoT. The results of the experiments showthat the proposed authentication protocol by the Blakley method is more efficient withincreasing number of instructions in both fog structures and in a without fogstructure, which shows a higher flexibility of the Blakley method than the Schemerbecause of the increasing number of instructions indicating increasing the number ofnodes in the network. The proposed method has better performance.