Proximity-Based Mobile Device Authentication Using Key Device
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Solution Overview
Problem
Current authentication systems on mobile devices are inconvenient and insecure, often requiring users to input strong passwords frequently, leading to weak password choices and security vulnerabilities due to the inconvenience and high implementation costs.
Innovation Solution
A system that automatically unlocks a mobile device based on the presence of a designated 'key device', using proximity detection and user presence monitoring to enhance security and convenience by minimizing the need for password input and leveraging multiple authentication factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If strong passwords are used to protect mobile devices, then security is improved, but user convenience deteriorates due to frequent password entry requirements
Solution Approach 1:
The patent introduces a key device as an intermediary authentication mechanism. Instead of directly using passwords, the system uses a separate key device that communicates with the target device to establish trust. This intermediary approach allows automatic authentication when the key device is present, eliminating the need for users to manually enter passwords while maintaining strong security through possession-based verification.
2Ease of operation
If password protection is deactivated or weak passwords are created for convenience, then ease of operation is improved, but security deteriorates
Solution Approach 1:
The system enables self-service authentication where the key device automatically proves the user's identity to the target device without manual password entry. The authentication process is initiated and completed automatically through proximity detection and cryptographic verification, providing both convenience and security simultaneously. The user simply needs to have the key device nearby, and the system handles the complex authentication protocol automatically.
3Ease of operation
If automatic unlock based on proximity is implemented, then ease of operation is improved by eliminating password entry, but device complexity increases
Solution Approach 1:
The patent divides the authentication system into two separate components: a key device and a target device. Each device has specialized functionality - the key device stores authentication credentials and detects proximity, while the target device verifies credentials and controls access. This segmentation allows each component to remain relatively simple while the combined system provides sophisticated automatic authentication capabilities.
Data Source
AI summary
The security and convenience of a mobile communication device is enhanced based on a separate key device. If the key device is near the mobile communication device, the mobile communication device may be automatically unlocked without the user having to input an unlock code. The mobile communication device may be automatically unlocked into a first mode having a first level of functionality. If the user inputs a correct unlock code, the mobile communication device may be unlocked into a second mode having a second level of functionality, greater than the first level of functionality.