Dynamic Password Rotation for User Interface Security
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Solution Overview
Problem
The existing unlocking mechanisms in user interfaces pose a security risk due to the potential exposure of passwords, which can be easily obtained by others when a user is prompted to input them in public.
Innovation Solution
Implementing a method and apparatus that utilize multiple preset sets of passwords, where each unlocking interface is associated with a different password, and the system dynamically selects a valid password from these sets, ensuring that even if one password is observed, it cannot be used for unlocking, thereby enhancing security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single unlocking password is used for the user interface, then the ease of operation is improved, but the security is worsened because the password can be easily obtained by others when displayed
Solution Approach 1:
The patent applies dynamics by making the unlocking password change over time. Instead of using a static password, the system dynamically selects different passwords from multiple preset sets based on the current time. This ensures that even if someone observes the password being displayed, it becomes invalid after a predetermined time period, thereby maintaining security while still providing ease of operation through automatic selection.
Solution Approach 2:
The patent implements preliminary action by pre-setting multiple sets of passwords before the system is put into use. These passwords are prepared in advance and stored in the system, allowing the device to automatically select from them based on timing criteria without requiring real-time generation or user input for password creation. This preliminary preparation enables both security and operational convenience.
2Reliability
If multiple sets of passwords are preset and rotated, then the security is improved by preventing password reuse, but the device complexity increases
Solution Approach 1:
The patent applies periodic action by implementing a time-based rotation mechanism for password selection. The system automatically cycles through multiple preset password sets at predetermined time intervals or based on timing criteria. This periodic rotation ensures that passwords are reused only after a specified time has elapsed, enhancing security while maintaining relatively simple device complexity through automated timing-based selection rather than complex user management.
3Reliability
If the password changes over time, then the security against observation attacks is improved, but the ease of operation may be worsened due to potential user confusion
Solution Approach 1:
The patent implements self-service by enabling the system to automatically select and manage the current valid password without requiring user intervention. The device autonomously handles password rotation based on time criteria, eliminating the need for users to manually track or remember multiple passwords. This self-managing approach resolves the contradiction by maintaining security through time-based changes while preserving ease of operation through automated selection.
Data Source
AI summary
A method and an apparatus for unlocking a user interface are disclosed. The method includes: selecting, when an unlocking interface is triggered, an unlocking password applicable to the interface from preset sets of passwords; and releasing a locked state of the interface when a user input password matching the unlocking password is received. Using the technical solutions of the present disclosure, the security of unlocking may be improved.