Vehicle Authentication Media Detection for Secure Ownership Transfer
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Solution Overview
Problem
The challenge in vehicle sales is ensuring the new owner is aware of any existing authorized authentication media, such as smartcards or smartphones, which can grant access to the vehicle without the owner's knowledge, posing a security concern.
Innovation Solution
A method and device that detect an authorized vehicle key and ascertain other authorized authentication media, such as smartcards or smartphones, by searching vehicle memories or through radio communication, and output a warning or indication when these media are found, ensuring only the authorized owner receives this information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If authentication media are authorized for a vehicle to enable access and starting functions, then vehicle access and operation are enabled, but security risks arise during vehicle sale as new owners cannot be sure whether unauthorized authentication media exist
Solution Approach 1:
The system performs a preliminary check of all authorized authentication media before the vehicle sale is completed. When a sale event is detected, the system proactively queries all authentication media stored in the vehicle's memory and notifies the current owner about existing authentication media before ownership transfers, allowing preventive measures to be taken.
Solution Approach 2:
The system implements a feedback mechanism that notifies the vehicle owner about the existence of authorized authentication media. When authentication media are detected during a sale event, the system sends notifications to the owner's device, providing information about the number and types of authentication media, enabling the owner to take appropriate security measures.
2Loss of information
If the vehicle searches for authentication media in memories and through radio communication to identify all authorized media, then complete information about authorized media is obtained, but the complexity of the detection system increases
Solution Approach 1:
The system uses a universal detection approach that works through multiple interfaces and communication methods. The same control unit that manages normal authentication operations also performs the comprehensive search for authentication media, utilizing existing memory structures and radio communication capabilities without requiring separate dedicated detection hardware.
Solution Approach 2:
The vehicle's existing authentication system performs the detection of authentication media using its own built-in resources. The control unit utilizes the vehicle's memory structures and radio communication interfaces that are already part of the authentication system, eliminating the need for external or separate detection equipment.
Data Source
AI summary
A method for indicating authorized authentication media for a vehicle including detecting a key authorized for the vehicle via a first interface; ascertaining the authentication media that are authorized for the vehicle; and outputting an indication if, on the one hand, the key authorized for the vehicle was detected previously and if, on the other hand, at least one authentication medium was ascertained in the course of the ascertaining step, wherein the vehicle communicates with the authentication media via a second interface, which differs from the first interface. Also disclosed is a device and vehicle.