Secure Guest Enrollment via Unique Code Verification
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Solution Overview
Problem
Current electronic locks require physical access to the interior assembly for guest users to enroll, which is inconvenient and impractical in scenarios where the owner is not present, as it necessitates manual actuation of a pairing button, limiting the time window for Bluetooth pairing and potentially exposing the system to man-in-the-middle attacks.
Innovation Solution
An electronic lock system that includes a wireless circuit, a motor, a code output interface, and a processor to receive a unique enrollment code via a mobile device, allowing guest users to enroll securely without physical access to the lock's interior assembly by verifying the enrollment code through a client application, enabling secure enrollment and pairing with the lock.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a physical pairing button on the interior assembly is required for enrollment, then security against MITM attacks is improved, but ease of operation deteriorates because guest users cannot enroll without physical access to the interior side of the door
Solution Approach 1:
A unique enrollment code serves as an intermediary between the guest user and the electronic lock. The code is presented by the lock and verified by the guest user's mobile device, enabling secure enrollment without requiring physical access to the interior assembly or actuation of a pairing button by the guest user
Solution Approach 2:
The mechanical actuation of a pairing button is replaced with a wireless code verification process. The enrollment code can be presented through various interfaces (display, audio, haptic) and verified through wireless communication between the lock and the guest user's mobile device, eliminating the need for physical button pressing
2Reliability
If the owner must be present at the premises to enable guest enrollment, then security is improved, but productivity deteriorates due to the inconvenience and infeasibility in scenarios where the owner cannot be present
Solution Approach 1:
The electronic lock enables self-service enrollment for guest users through the unique enrollment code mechanism. The lock autonomously presents the code and verifies it through wireless communication, allowing guest users to enroll independently without requiring the owner's physical presence or manual intervention
3Reliability
If a pairing button requires manual actuation, then security against unauthorized pairing is improved, but loss of time increases due to the limited time window for Bluetooth pairing
Solution Approach 1:
The unique enrollment code is pre-configured in the electronic lock and made available for verification at any time. This eliminates the need for temporary pairing modes with limited time windows, as the code-based verification can be performed whenever needed without requiring the lock to enter a special pairing state
Data Source
AI summary
Secure enrollment of a user with an electronic lock is provided. Enrollment with the lock may include a verification process and a secure enrollment mode based on verification of a unique enrollment code (UEC) associated with an enrollment invitation link that may be provided to the user. Selection of the link may direct the user's mobile device to a client application, where an option may be provided for initiating the verification process. The UEC may be communicated to and presented by the lock. The user's device may capture the presented UEC, which may be compared against the UEC generated in association with the link. When validated, the lock may enter the secure enrollment mode, where the user can register an actuation passcode, or the lock may be paired with the mobile device over a short-range wireless connection, which may allow the user to actuate the lock via the client application.