Screen Sharing Tokens to Prevent Device Identifier Exposure
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Solution Overview
Problem
In screen sharing applications, device identifiers or unique keys are exposed during sessions, leading to potential tracking of user devices.
Innovation Solution
A system and method that generates a token based on device information, which is used to identify user devices in screen sharing sessions, reducing the risk of tracking by keeping unique device information away from the second server device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If device identifiers or unique keys are used to identify user devices in screen sharing sessions, then the screen sharing connection can be facilitated, but the device identifiers may be exposed and subsequently used to track the user device
Solution Approach 1:
The patent introduces a token as an intermediary element between the user device and the second server device. The token is generated by the first server device based on device information, and used to identify the user device during screen sharing sessions. This intermediary token prevents direct exposure of unique device identifiers to the second server device, thereby enabling reliable screen sharing connections while preventing device tracking.
2Ease of operation
If device information is shared with the second server device to facilitate screen sharing, then the screen sharing session can be established, but the unique device information may be exposed for tracking purposes
Solution Approach 1:
The patent segments the information flow by introducing a first server device that acts as an intermediary. The first server device receives device information from the user device, generates a token based on this information, and then provides the token to the second server device. This segmentation ensures that unique device information is not directly exposed to the second server device, while still enabling easy screen sharing session establishment through the token.
3Object-affected harmful factors
If a token is generated based on device information to prevent tracking, then device security is improved, but the system complexity increases due to additional server device involvement
Solution Approach 1:
The patent employs a first server device as an intermediary that handles the token generation process. This intermediary server receives device information, generates secure tokens, and provides them to the second server device. While this adds a layer of system complexity, it effectively prevents device tracking by ensuring that unique device identifiers never reach the second server device, thereby improving overall device security.
Data Source
AI summary
A method of screen sharing include receiving, by a first server device and from a user device, device information corresponding to the user device, generating, by the first server device, a device identifier (ID) based on the device information, receiving, by the first server device and from the user device, a request for a token, generating, by the first server device, a token based on the device ID, and sending, by the first server device, the token to the user device.