Global Electors and Regional CTLs for Cross-Border V2X Trust
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Solution Overview
Problem
Existing Vehicle-to-Everything (V2X) communication systems face challenges in managing trust across multiple Root Certificate Authorities (CAs), particularly in cross-border or international situations, affecting the reliability and effectiveness of safety applications.
Innovation Solution
Implementing a V2X PKI technology that utilizes Electors and regional Certificate Trust Lists (CTLs) to manage trust across multiple Root CAs, enabling the reuse of Elector and Root CA certificates across jurisdictions, and allowing regional authorities to modify certificates through endorsements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple regional Root CAs are used to manage trust in cross-border V2X communication, then trust coverage and adaptability across jurisdictions are improved, but system complexity and difficulty of managing trust relationships increase
Solution Approach 1:
The trust management system is segmented into hierarchical layers: global Root CAs at the top level, regional CAs in intermediate level, and local V2X entities at the bottom level. Each layer manages trust within its specific jurisdiction, allowing cross-border communication while maintaining manageable complexity through clear separation of trust management responsibilities across different geographic and administrative boundaries.
2Reliability
If traditional certificate management methods are used with multiple Root CAs, then trust validation can be performed, but cost and time for managing and distributing certificate trust lists increase
Solution Approach 1:
Global Root CA certificates are pre-installed in the trust stores of all V2X communication entities before deployment. Regional CAs are pre-configured with the appropriate global Root CA certificates based on their jurisdiction. This preliminary configuration eliminates the need for real-time certificate distribution and validation, significantly reducing the time and computational resources required during actual V2X communication operations.
3Reliability
If physical access is required for disaster recovery of certificate authorities, then security is maintained, but recovery time and operational continuity are adversely affected
Solution Approach 1:
The patent implements redundant copies of critical trust management data and certificate authorities across multiple geographic locations and secure storage systems. Global Root CAs maintain backup copies that can be activated remotely during disasters. This copying strategy enables rapid disaster recovery without requiring physical access to primary facilities, maintaining both security through controlled access and productivity through fast recovery capabilities.
Data Source
AI summary
A system, methodologies and components for managing trust across multiple Root Certificate Authorities using both electors and regional Certificate Trust Lists (CTLs). Accordingly, systems and methodologies are provided for managing trust across multiple Root CAs and performing such management in a more efficient way than conventionally known or available. More specifically, systems and methodologies are provided that implement a V2I and/or V2X PKI technology implementation.