Ether-IoT:A Realtime Lightweight and Scalable Blockchain-Enabled Cache Algorithm for IoT Access Control  

作　　者：Hafiz Adnan Hussain Zulkefli Mansor Zarina Shukur Uzma Jafar 

机构地区：[1]Universiti Kebangsaan Malaysia,Bangi,43000,Malaysia

出　　处：《Computers, Materials & Continua》2023年第5期3797-3815,共19页计算机、材料和连续体（英文）

基　　金：This work was supported by Universiti Kebangsaan Malaysia under“Dana Pecutan Penerbitan FTSM 2022,Dana Softam 2022”。

摘　　要：Several unique characteristics of Internet of Things(IoT)devices,such as distributed deployment and limited storage,make it challenging for standard centralized access control systems to enable access control in today’s large-scale IoT ecosystem.To solve these challenges,this study presents an IoT access control system called Ether-IoT based on the Ethereum Blockchain(BC)infrastructure with Attribute-Based Access Control(ABAC).Access Contract(AC),Cache Contract(CC),Device Contract(DC),and Policy Contract(PC)are the four central smart contracts(SCs)that are included in the proposed system.CC offers a way to save user characteristics in a local cache system to avoid delays during transactions between BC and IoT devices.AC is the fundamental program users typically need to run to build an access control technique.DC offers a means for storing the resource data created by devices and a method for querying that data.PC offers administrative settings to handle ABAC policies on users’behalf.Ether-IoT,combined with ABAC and the BC,enables IoT access control management that is decentralized,fine-grained and dynamically scalable.This research gives a real-world case study to illustrate the suggested framework’s implementation.In the end,a simulation experiment is performed to evaluate the system’s performance.To ensure data integrity in dispersed systems,the results show that Ether-IoT can sustain high throughput in contexts with a large number of requests.

关 键 词：Blockchain Internet of Things IOT access control ABAC Ethereum distributed system 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]