Electronic Key System with Abnormality Detection and Code Reissue
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Solution Overview
Problem
Electronic key systems face issues with data loss or theft due to data falsification or storage medium failures, which are not adequately addressed in existing technologies.
Innovation Solution
An electronic key system with an issuing apparatus, a determinator, and a requester that reissues an electronic key with a different key code if the original key is determined to be abnormal, ensuring normalization and enhanced security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic key data is stored in a recording medium, then the electronic key can be used for vehicle access and operation, but the data may be lost or stolen due to data falsification or recording medium failure
Solution Approach 1:
The system performs preliminary verification of the electronic key's normality before use, and proactively reissues the key if abnormalities are detected. This preventive approach ensures the key is replaced before data loss or security breaches can occur, resolving the contradiction between maintaining key reliability and preventing data loss.
Solution Approach 2:
The system changes the key code parameter when reissuing an electronic key. By generating a new key code instead of reusing the old one, the system ensures that even if the previous key data was compromised, the new key with a different code parameter maintains security and functionality, thus improving reliability while preventing information loss.
2Reliability
If the electronic key is reissued with a different key code, then security and reliability are enhanced, but communication and processing loads increase
Solution Approach 1:
The electronic key managing apparatus autonomously determines whether a key is normal and automatically requests reissuance when abnormalities are detected, without requiring manual intervention. This self-service mechanism streamlines the reissue process, reducing communication overhead and processing loads while maintaining enhanced security through key code changes.
3Reliability
If the electronic key is reissued when abnormality is detected, then the key can be normalized, but time is lost during the reissue process
Solution Approach 1:
The system implements a feedback mechanism where the electronic key managing apparatus continuously monitors the key's status, determines normality, and triggers reissuance only when abnormalities are detected. This feedback-driven approach ensures the key is reissued at the optimal moment, minimizing time loss while effectively normalizing the key when needed, thus resolving the contradiction between maintaining normality and reducing time loss.
Data Source
AI summary
An electronic key system is provided with: an electronic key issuing apparatus configured to issue an electronic key associated with a moving body; a determinator configured to determine whether or not an electronic key with a first key code as the electronic key is normal; and a requester configured to request the electronic key issuing apparatus to reissue the electronic key on condition that it is determined by the determinator that the electronic key with the first key code is not normal. The electronic key issuing apparatus is configured to issue an electronic key with a second key code, which is different from the first key code, as the electronic key, on condition that the electronic key issuing apparatus is requested to reissue the electronic key.