Adaptive Authentication Level Control for Mobile Devices
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Solution Overview
Problem
Conventional portable devices with fingerprint authentication functions lack dynamic adjustment of authentication levels based on user travel states, leading to suboptimal security and user experience.
Innovation Solution
An electronic device and control method that determine and adjust authentication levels based on the user's travel state, using sensors like acceleration sensors to measure vibrations and motions, and modify unlocking conditions accordingly, allowing for adaptive authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If authentication level is fixed regardless of travel state, then device complexity is reduced, but security and user experience deteriorate due to inability to adapt to different scenarios
Solution Approach 1:
The patent implements dynamic adjustment of authentication levels based on detected travel states. The controller changes authentication requirements in real-time according to whether the device is stationary or moving, transforming a static authentication system into a dynamic one that adapts to user context without requiring complex manual configuration
Solution Approach 2:
The system automatically detects travel state through acceleration sensors and autonomously determines appropriate authentication levels without user intervention. The device serves itself by monitoring its own motion state and adjusting security parameters, eliminating the need for users to manually select authentication modes
2Reliability
If authentication level is always high, then security is improved, but ease of operation deteriorates due to frequent authentication requirements during normal travel
Solution Approach 1:
The patent changes the authentication parameter (authentication level) based on the travel state parameter. When the device detects stationary state, it increases authentication level for enhanced security; when detecting travel state, it reduces authentication level to improve convenience, dynamically adjusting parameters to balance security and usability
3Ease of operation
If authentication level is always low, then ease of operation is improved, but security deteriorates due to insufficient protection when device is stationary
Solution Approach 1:
The system dynamically changes authentication parameters based on travel state detection. During stationary periods when security risk is higher, the authentication level parameter is increased; during travel when the device is in user possession, the parameter is reduced for convenience, achieving context-appropriate security
4Adaptability or versatility
If travel state detection is added to determine authentication level, then adaptability is improved, but device complexity increases due to additional sensors and control logic
Solution Approach 1:
The patent makes the acceleration sensor serve multiple functions: it detects both travel state for authentication level determination and can be used for other device functions. This multi-functionality approach allows travel state detection without adding dedicated hardware, minimizing the increase in device complexity while maintaining adaptability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances the authentication function by dynamically adjusting authentication levels based on user travel states, improving security and user experience by ensuring appropriate unlocking conditions are met.
Implementation Method 1
using sensors like acceleration sensors to measure vibrations and motions
Data Source
AI summary
An electronic device includes a controller that changes an authentication level that is used to perform unlocking on locking based on a locking function according to a travel state of a user. The controller acquires first biometric information that is acquired by a biometric information acquisition module in association with an unlocking operation, determines an unlocking condition on the basis of the changed authentication level, calculates a matching rate between the first biometric information and second biometric information that is set and registered in advance, and when it is determined that the matching rate satisfies the determined unlocking condition, performs unlocking on the locking.