Proximity-Based Authentication State Synchronization
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Solution Overview
Problem
Users face frustration and security concerns due to the need for frequent authentication on multiple electronic devices, which can be time-consuming and inconvenient, especially when devices are used in proximity to each other.
Innovation Solution
Implementing a system where a computing device remains unlocked as long as it is proximate to a trusted device and the user is actively using one of the devices, using sensors to detect presence and activity, thereby reducing the need for repeated authentication and enhancing security by maintaining user presence and password security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication is required on multiple devices, then security is improved, but user convenience deteriorates due to frequent re-authentication
Solution Approach 1:
The patent combines authentication states across multiple devices by detecting proximity between devices and maintaining a unified authentication status. When a first device detects proximity to a second device, it determines whether the second device is authenticated and maintains the same authentication state, thereby merging the authentication experience across devices.
Solution Approach 2:
The patent uses proximity detection as an intermediary mechanism to transfer authentication state between devices. The detection of physical proximity serves as a mediator that triggers the authentication state transfer, eliminating the need for direct user authentication actions while maintaining security.
2Ease of operation
If devices remain unlocked for longer periods, then user convenience is improved, but security deteriorates due to increased vulnerability
Solution Approach 1:
The patent dynamically adjusts the unlocked state duration based on real-time proximity detection. When a second device enters the proximity threshold of a first device, the first device extends its unlocked state. This dynamic adjustment allows devices to remain unlocked longer when needed while automatically relocking when no trusted devices are nearby, balancing convenience and security.
Solution Approach 2:
The patent changes the time parameter of the unlocked state based on device proximity conditions. The timeout duration is extended when a trusted device is detected in proximity and reverted to the standard timeout when no trusted device is present, allowing flexible control over security and convenience parameters.
3Reliability
If authentication timeout is shortened, then security is improved, but user productivity deteriorates due to frequent re-authentication
Solution Approach 1:
The patent performs preliminary authentication state verification when a device enters proximity of another device. By checking the authentication state of the second device before the first device's timeout expires, the system prepares to extend the unlocked state, preventing the need for re-authentication and maintaining productivity.
Solution Approach 2:
The patent implements a feedback mechanism where proximity detection triggers authentication state verification. The system continuously monitors for nearby devices and uses this feedback to dynamically adjust authentication requirements, extending unlocked states when trusted devices are present and maintaining security when they are not.
Data Source
AI summary
Various embodiments are generally directed to an apparatus, method, and other techniques to maintain user authentications with common trusted devices. If a user is in possession of a first computing device (e.g., a smartphone), an unlocked state of the first trusted device is maintained if the user is using a nearby trusted device (e.g., a computer) within a certain amount of time. If the first trusted device is in a pocket or other container, a longer span of time is granted to the user to register an on-body state.