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IMSC-EIoTD: Identity Management and Secure Communication for Edge IoT Devices.

Kazi Masum Sadique1, Rahim Rahmani1, Paul Johannesson1

  • 1Department of Computer and Systems Sciences, Stockholm University, 16407 Stockholm, Sweden.

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Summary

This study introduces an edge-fog based decentralized identity management system for Internet of Things (IoT) devices and gateways. It offers a secure solution for authentication and authorization, overcoming limitations of cloud-based and IP-based systems.

Keywords:
IoTIoT securityauthenticationauthorizationcontext-aware computingdecentralizededge computingfog computingidentity managementtrusttrusted computing platform

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Area of Science:

  • Computer Science
  • Network Security
  • Internet of Things

Background:

  • The Internet of Things (IoT) connects billions of devices, necessitating robust identity management for communication.
  • Existing IP-based identity solutions are inadequate for heterogeneous and mobile IoT devices.
  • Cloud-based identity management systems are not feasible for real-time, low-latency IoT applications.

Purpose of the Study:

  • To propose an edge-fog based decentralized identity management and authentication solution for IoT devices (IoTD) and edge IoT gateways (EIoTG).
  • To develop a secure communication protocol for interactions between IoTD and EIoTG.
  • To formally verify the security and correctness of the proposed solution.

Main Methods:

  • Development of an edge-fog based decentralized architecture for identity management.
  • Design of a secure communication protocol for IoT device and gateway interactions.
  • Formal verification of security protocols using the Scyther tool.
  • Model specification in PROMELA and verification using the SPIN model checker.

Main Results:

  • The proposed edge-fog based decentralized solution effectively manages identities for heterogeneous IoT devices.
  • The secure communication protocol ensures safe data exchange between IoTD and EIoTG.
  • Formal verification confirmed the correctness and security of the proposed model and protocols, showing error-free message flows.

Conclusions:

  • The proposed edge-fog based decentralized identity management system is a viable and secure solution for the Internet of Things.
  • This approach addresses the limitations of traditional IP-based and cloud-based systems in the IoT context.
  • Formal verification validates the robustness and reliability of the proposed security protocols and model.