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XACML for Mobility (XACML4M)-An Access Control Framework for Connected Vehicles.

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|February 28, 2023
PubMed
Summary
This summary is machine-generated.

Attribute-Based Access Control (ABAC) is adapted for connected vehicles using the eXtensible Access Control Markup Language for Mobility (XACML4M). This system enhances vehicle data security by integrating location, time, and frequency-based access controls.

Keywords:
ABACV2XXACMLaccess controlconnected vehiclesfrequencylocationtime

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Area of Science:

  • Cybersecurity
  • Automotive Engineering
  • Computer Science

Background:

  • Connected vehicles generate vast amounts of distributed, private, and vulnerable sensor data.
  • Ensuring vehicle and passenger safety requires robust access control mechanisms tailored to dynamic environments.

Purpose of the Study:

  • To investigate how Attribute-Based Access Control (ABAC) can meet connected vehicle requirements for Signal Access Control (SAC), Time-Based Access Control (TBAC), Location-Based Access Control (LBAC), and Frequency-Based Access Control (FBAC).
  • To propose and validate a novel data flow model for fine-grained access control in connected vehicles.

Main Methods:

  • Proposed eXtensible Access Control Markup Language for Mobility (XACML4M), extending standard XACML with components like Vehicle Data Environment (VDE), Time Extensions, GeoLocation Provider, and Polling Frequency Provider.
  • Implemented a prototype on Raspberry Pi 4 and conducted a proof-of-concept for a real-world use case.
  • Performed functional evaluation based on authorization policies to validate the XACML4M data flow model.

Main Results:

  • The XACML4M model successfully integrates SAC, TBAC, LBAC, and FBAC requirements.
  • A functional prototype demonstrated the feasibility of the proposed data flow model for connected vehicles.
  • Authorization policies validated the effectiveness of XACML4M in managing access to vehicle data.

Conclusions:

  • The proposed XACML4M data flow model effectively addresses the identified access control requirements for connected vehicles.
  • XACML4M provides a scalable and adaptable solution for securing distributed vehicle data in dynamic environments.
  • This research contributes to enhancing the safety and security of the connected vehicle ecosystem.