An Attribute-Based Access Control Mechanism for Cloud Storage using Blockchain Technology

Abstract

Implementing Attribute-based Access Control for data sharing in order to generate knowledge is a complex area of research. This is because an application may need to access personal data that is stored in a different country from where the application is being accessed. This article presents a data sharing platform for Attribute-based Access Control. The platform consists of a global cloud that is constructed on top of various security gateways located in different countries. When an application seeks permission to access data from a specific country or region, the global cloud retrieves the data stored in local data hubs using the security gateway of that region. During the process of moving data to the global cloud, the security gateway logs this transfer information on a blockchain that is managed and maintained by the global cloud. This study introduces a method for sharing data in a cloud environment using reliable blockchain technology. The entire system operates on the blockchain within a decentralized peer-to-peer foundation.