Portable Key Image Matching for Offsite Attack-Resistant Access Control
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Solution Overview
Problem
Existing electronic locks are vulnerable to offsite attacks and hacking, which can compromise access control to physical spaces.
Innovation Solution
A method and device that utilize image and movement data from a portable key device to verify the user's proximity to a lock, combined with encrypted template matching and additional security measures like face recognition and light codes, to ensure secure access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electronic locks are network connected to enable remote access control, then flexibility and control capabilities are improved, but vulnerability to offsite attacks and hacking increases
Solution Approach 1:
The patent introduces an intermediary verification system that checks multiple conditions (image matching, movement data, light code) before granting access. This intermediary layer prevents direct remote exploitation while maintaining network connectivity for authorized control.
Solution Approach 2:
The system performs preliminary verification of multiple security conditions (image template matching, movement data validation, light code verification) before allowing access control operations. This preliminary action ensures that even if networked, the lock cannot be opened without satisfying all security criteria.
2Reliability
If traditional mechanical locks are used, then geographic limitation provides security, but flexibility and control capabilities are reduced
Solution Approach 1:
The patent replaces traditional mechanical lock verification with a multi-factor verification system involving image recognition, movement sensing, and light code validation. This substitution maintains security while enabling flexible remote access control through portable key devices.
Solution Approach 2:
The system adds new dimensions of verification beyond physical proximity - using image matching, movement data analysis, and light code validation. These additional verification dimensions provide security comparable to geographic limitation while enabling remote operation capabilities.
3Reliability
If multiple verification methods (image matching, movement data, light code) are implemented, then security against offsite attacks is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple verification functions (image capture, movement sensing, light detection, template matching) into an integrated portable key device and security system. This merging reduces the complexity burden by consolidating components rather than distributing them separately.
Solution Approach 2:
The portable key device performs multiple functions - capturing images, sensing movement, detecting light codes, and communicating with the lock. This multi-functionality reduces the need for separate devices for each verification method, thereby managing complexity while maintaining high security verification accuracy.
Data Source
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AI summary
It is provided a method for enabling access control for access to a physical space secured by a lock device. The method is performed in a security device and comprises the steps of: obtaining at least one image captured using a first camera of a portable key device, the at least one image being captured in a vicinity of the lock device; receiving a template decryption key from a lock device over a short-range communication link; obtaining a credential associated with the lock device; matching the at least one image with a plurality of templates, each template being associated with a lock device, which comprises obtaining the plurality of templates by decrypting encrypted templates using the template decryption key; and wherein a positive match is a necessary condition for opening the lock device.