Application Handoff Authentication for Trusted Cross-Device Transfer
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Solution Overview
Problem
In a multi-device scenario, application handoff methods currently fail to prevent content from being transferred to applications with unreliable trust sources, leading to potential user information theft.
Innovation Solution
A method involving validity authentication and matching relationship verification of applications before handoff, ensuring secure transfer by confirming the reliability of the target application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If application handoff is enabled between terminal devices, then application continuity and user experience are improved, but security risks increase due to potential forged applications
Solution Approach 1:
The patent performs validity authentication on the target application before allowing handoff to occur. The system checks whether the application on the receiving terminal is a forged application by comparing digital signatures and other authentication parameters before the handoff process begins, preventing security risks in advance
Solution Approach 2:
The patent introduces a cloud server as an intermediary authentication authority. The cloud server receives authentication requests from terminal devices, verifies the legitimacy of applications using stored authentication information, and returns authentication results to control whether handoff should proceed, acting as a trusted mediator between devices
2Reliability
If validity authentication and matching relationship verification are performed on applications, then application handoff security is improved, but system complexity increases
Solution Approach 1:
The patent uses a cloud server as an intermediary to handle complex authentication operations. Instead of requiring each terminal device to perform complex verification locally, the cloud server centralizes the authentication logic, stores authentication information securely, and returns simplified authentication results to terminal devices
Solution Approach 2:
The patent divides the authentication process into separate functional modules: validity authentication (checking whether an application is forged) and matching relationship verification (checking whether applications are compatible). This segmentation allows each verification aspect to be handled independently and simplifies the overall system architecture
Data Source
AI summary
Embodiments of this application provide an application handoff method and a terminal device, to avoid handing off content in an application to an application with an unreliable trust source, and improve application handoff security, so as to improve user experience. The method includes: A second terminal device receives a broadcast handoff notification from a first terminal device, where the broadcast handoff notification is used to request to hand off a first handoff application on the first terminal device to the second terminal device; the second terminal device determines a second handoff application based on the broadcast handoff notification, and performs validity authentication and matching relationship verification on the second handoff application, to obtain a validity authentication result and a matching relationship verification result; and the second terminal device displays a handoff contact point of the second handoff application when the validity authentication result is that the validity authentication succeeds, and the matching relationship verification result is that the matching relationship verification succeeds.