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  11. Sdacs: Blockchain-based Secure And Dynamic Access Control Scheme For Internet Of Things

SDACS: Blockchain-Based Secure and Dynamic Access Control Scheme for Internet of Things

Qinghua Gong1,2, Jinnan Zhang1,2, Zheng Wei1,2

  • 1State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China.

Sensors (Basel, Switzerland)
|April 13, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

This study introduces a secure and dynamic access control scheme (SDACS) for Internet of Things (IoT) data sharing. It enhances data security and reliability by using decentralized control and blockchain technology.

Area of Science:

  • Computer Science
  • Information Security
  • Distributed Systems

Background:

  • The Internet of Things (IoT) generates massive data, necessitating reliable sharing for smart applications.
  • Traditional centralized data sharing faces single points of failure, low reliability, and opaque access.
  • Existing schemes struggle with the dynamic and decentralized nature of IoT environments.

Purpose of the Study:

  • To propose a secure and dynamic access control scheme (SDACS) for decentralized IoT data sharing.
  • To enable auditable and reliable fine-grained access control for data owners.
  • To address the limitations of traditional centralized data sharing in IoT.

Main Methods:

  • Implemented attribute-based control (ABAC) with Hyperledger Fabric and InterPlanetary File System (IPFS).
Keywords:
Hyperledger FabricInternet of Thingsattribute-based access controlauthentication

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  • Deployed four access control contracts on blockchain for policy coordination and implementation.
  • Developed a lightweight, certificateless authentication protocol for secure identity management and data transmission.

    • Main Results:

    • The proposed SDACS scheme provides decentralized and fine-grained access control for IoT data.
    • It ensures double-layer data protection through off-chain authentication and secure message transmission.
    • Experimental analysis confirmed high throughput, security, and stability in IoT data sharing.

    Conclusions:

    • SDACS effectively addresses the security and reliability challenges in IoT data sharing.
    • The scheme offers a robust solution for decentralized, auditable, and fine-grained access control.
    • It promotes the intelligence and trustworthiness of IoT ecosystems.
    blockchain
    smart contract