Biometric Vehicle Entry Keypad with Localized Authentication
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Solution Overview
Problem
Conventional vehicle entry systems face challenges in balancing security and privacy, often compromising user privacy to enhance security or failing to protect against signal spoofing and other security threats, particularly when using biometric data for authentication.
Innovation Solution
A biometric vehicle entry system utilizing a wireless keypad for localized authentication, which generates a token from biometric inputs like fingerprints, facial recognition, or voice recognition, ensuring user privacy while preventing signal spoofing through a self-contained authentication process within the keypad, integrated with a vehicle's embedded key fob.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional remote entry systems are used to enhance security, then vehicle security is improved, but user privacy deteriorates due to risk of personally identifiable information exposure
Solution Approach 1:
The system segments authentication into two independent parts: biometric verification (fingerprint, facial, or voice) and token generation. The biometric data remains localized in the keypad and is never transmitted, while only a generated token is sent to the vehicle. This segmentation protects user privacy while maintaining security.
Solution Approach 2:
The system introduces an intermediary token as a mediator between the user's biometric identity and the vehicle's authentication system. The token serves as a privacy-preserving proxy that conveys authentication status without exposing sensitive biometric information or personally identifiable data.
2Measurement precision
If biometric data is transmitted for authentication, then authentication accuracy is improved, but security deteriorates due to risk of biometric information compromise
Solution Approach 1:
The system extracts only the essential authentication function from biometric data while leaving the sensitive biometric information behind. The keypad performs local biometric verification and extracts only a authentication token, which is then transmitted to the vehicle. This extraction approach maintains authentication accuracy while eliminating security risks associated with transmitting biometric data.
3Ease of operation
If device-free passive entry is implemented for ease of operation, then user convenience is improved, but security deteriorates due to vulnerability to signal spoofing
Solution Approach 1:
The system performs preliminary biometric verification and token generation in the keypad before the vehicle authentication process begins. This preliminary action ensures that only authenticated users can initiate vehicle entry, preventing signal spoofing attacks while maintaining the convenience of hands-free operation.
Solution Approach 2:
The system dynamically adapts the authentication process by allowing multiple biometric input modes (fingerprint, facial recognition, voice recognition) and adjusting the authentication flow based on the selected method. This dynamic approach maintains ease of operation while ensuring robust security against various attack vectors.
Data Source
AI summary
A distributed biometric vehicle entry system is configured to provide personalized biometric authentication for vehicle entry. The system utilizes an authentication token private key challenge generated a biometric wireless vehicle entry keypad, or a passive device such as a smartphone or fob, such that it would be insufficient for an intruder to simply jump the circuit with an external battery. The biometric authentication may be localized to an embedded system within the biometric vehicle entry keypad, and may be self-contained from all other vehicle systems with a wireless vehicle interface and independent power supply. The vehicle may grant access responsive to receiving the authentication token (and only the authentication token) whenever a valid biometric signature is recognized.