EV Charging Station Authentication Using Configuration Hashes
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electric vehicle charging stations lack secure identification methods, as existing protocols like OCPP do not effectively verify the authenticity of charging stations, making them vulnerable to fake identity attacks and security breaches.
Innovation Solution
A method is introduced to generate and verify unique identifiers for electric vehicle charging stations based on their model and configuration data, including vendor, model, firmware version, and configuration keys, using cryptographic hashes to ensure authenticity and prevent unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the charging station sends its identity information in the connection message, then the identification process is simple and fast, but the identification security is weak and vulnerable to fake attacks
Solution Approach 1:
The system performs preliminary authentication by verifying the charging station's identity information before allowing it to send connection messages. A central management device stores reference identity information and validates the charging station's identity in advance, preventing fake stations from establishing connections in the first place
Solution Approach 2:
A central management device acts as an intermediary between charging stations and the identification system. It receives connection messages, verifies the charging station's identity against stored reference information, and only allows authenticated stations to communicate further, thereby securing the identification process
2Reliability
If the charging station uses a secure authentication protocol, then the identification security is improved, but the device complexity and authentication time increase
Solution Approach 1:
The charging station autonomously generates its own identity information based on its configuration data and sends it to the central management device for verification. The station itself performs the authentication preparation work without requiring complex external authentication hardware or protocols
Solution Approach 2:
The system changes the authentication approach from complex cryptographic protocols to verifying configuration parameters. The central management device compares the charging station's configuration data (vendor, model, firmware version) against stored reference information, simplifying the authentication mechanism while maintaining security
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Various example embodiments relate to identifying an electric vehicle charging station. An authentication method applicable with any electric vehicle charging station may be provided. In an embodiment, an alert or quarantine of an electric vehicle charging may be triggered based on invalid authentication. Advantageously, improved security may be provided for communication in a charging management system. A computing device, a method and a computer program are disclosed.