Electromechanical Lock Reconfiguration via Authorized Key Relay
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Solution Overview
Problem
Existing locking systems are vulnerable to security compromises due to the susceptibility of mobile devices used for configuration updates, lacking secure methods for changing the configuration of electromechanical locking devices post-commissioning.
Innovation Solution
A method involving a key that communicates electronically with a locking device through multiple secure communication links, ensuring that configuration changes, such as firmware updates or decommissioning, are initiated exclusively by a processing unit, with the key serving as a secure communication aid, and the key and locking device verifying each other before executing changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a mobile device is used to transmit configuration update information to the locking device, then the ease of operation is improved, but the security is worsened due to susceptibility to manipulation
Solution Approach 1:
A secure key serves as an intermediary device between the mobile device and the locking device. The key receives encrypted configuration update information from the mobile device and transmits it to the locking device. This intermediary approach maintains the ease of wireless configuration updates while preventing direct manipulation of the locking device, as the key's secure hardware architecture protects against tampering and unauthorized access.
2Reliability
If the processing unit selects which key receives the command message based on stored criteria, then the security is improved, but the device complexity increases
Solution Approach 1:
The processing unit pre-stores selection criteria (such as key identifiers, authorization levels, or device groupings) in a database before configuration updates are needed. When a configuration update is initiated, the processing unit automatically queries this pre-stored information to determine which key should receive the command message. This preliminary preparation eliminates the need for complex real-time decision-making algorithms, maintaining security through automated authorization while keeping the system architecture relatively simple.
3Productivity
If configuration changes are automated through the key and processing unit, then the productivity is improved, but the ease of operation is worsened due to reduced manual control
Solution Approach 1:
The system incorporates feedback mechanisms where the processing unit and key provide status information about configuration update progress, success, or failure. The mobile device receives notifications and can view the current state of automated configuration changes. This feedback loop allows operators to monitor the automated process, understand what is happening, and intervene if necessary, thereby maintaining ease of operation through visibility and control while still benefiting from the productivity gains of automation.
Data Source
Figure 1
Figure 2~10
Figure 3
AI summary
The invention relates to a method (200, 300, 400) for changing the configuration of an electromechanical locking device after commissioning of the locking device (40), wherein the change of the configuration of the locking device (40) particularly comprises a firmware update or a decommissioning, wherein the method (200, 300, 400) is carried out by means of a key (30), wherein the key (30) is configured to communicate electronically with the locking device (40) via a first communication link, wherein the key (30) is configured to communicate with a device (20) via a wireless second communication link, wherein the device (20) is configured to communicate with a computing unit (10) via a third communication link, wherein the method (200, 300,400) comprising the following steps: a) The key (30) receives a command message (50) containing a command (60) to change the configuration of the locking device (40) from the computing unit (10) via the device (20), the receipt of the command message (50) occurring only if the key (30) has previously been selected by the computing unit to receive the command message (50) based on at least one criterion stored in the computing unit (10); b) The key (30) commands the locking device (40) to carry out the configuration change (61) when the key (30) and the locking device (40) are electronically in communication.