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N-Accesses: A Blockchain-Based Access Control Framework for Secure IoT Data Management.

Teng Hu1, Siqi Yang1, Yanping Wang2

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Summary
This summary is machine-generated.

This study presents a novel blockchain-based framework for secure Internet of Things (IoT) data management. It enhances token utilization and enables efficient, auditable access control for IoT data.

Keywords:
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Area of Science:

  • Computer Science
  • Information Security
  • Network Engineering

Background:

  • The Internet of Things (IoT) generates vast amounts of valuable data, but traditional access control methods struggle with security due to open environments and device limitations.
  • Centralized access control in IoT faces single points of failure, while decentralized methods suffer from inefficient token use and insecure permission distribution.

Purpose of the Study:

  • To introduce a secure and efficient blockchain-based access control framework for Internet of Things (IoT) data management.
  • To address the limitations of existing access control schemes, including token underutilization and insecure permission distribution.

Main Methods:

  • A blockchain-based framework integrating smart contracts and hash-chains for user-defined, n-times access control with deadlines.
  • Implementation of data hosting by owners and multi-use token capabilities within predefined limits.
  • Leveraging blockchain's inherent features for data access auditing and verification.

Main Results:

  • The proposed framework enables lightweight, user-defined data management for IoT data owners.
  • The system improves token utilization by allowing multiple accesses within a deadline, enhancing efficiency.
  • Blockchain's immutability ensures secure auditing and verification of data access records.

Conclusions:

  • The developed blockchain-based access control framework effectively addresses the security and efficiency challenges in IoT data management.
  • Extensive simulations confirm the feasibility and efficiency of the proposed solution for secure IoT data access.