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Self-Controllable Secure Location Sharing for Trajectory-Based Message Delivery on Cloud-Assisted VANETs.

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Summary

This study introduces a secure system for vehicles to share driving trajectory data with authorized roadside units. It ensures location privacy using proxy re-encryption, preventing unauthorized access to sensitive vehicle movement information.

Keywords:
VANETsauthenticationlocation sharingprivacy preservationtrajectory-based message delivery

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Area of Science:

  • Vehicular Ad Hoc Networks (VANETs)
  • Network Security
  • Data Privacy

Background:

  • Trajectory-based message delivery in VANETs requires sharing vehicle driving locations.
  • Protecting vehicle location privacy is crucial for user security.
  • Existing systems may expose driving data to unintended parties.

Purpose of the Study:

  • To propose a secure location-sharing system for vehicular trajectory data.
  • To enable vehicles to share driving information selectively with authorized roadside units.
  • To preserve vehicle user location privacy.

Main Methods:

  • Implementation of a central service manager for brokering data between vehicles and roadside units.
  • Utilization of a proxy re-encryption scheme to encrypt trajectory data.
  • Cloud-based storage for maintaining vehicle trajectory information.

Main Results:

  • Vehicles can securely share trajectory data with designated roadside units.
  • The proposed system ensures data confidentiality, hiding it even from the service manager.
  • Unauthorized entities and the service manager cannot access sensitive trajectory data.

Conclusions:

  • The developed system effectively addresses the challenge of secure and private trajectory data sharing in VANETs.
  • Proxy re-encryption provides a robust mechanism for granular access control.
  • User control over location data sharing is significantly enhanced.