Trusted Control for Secure Local and Distributed App Installation
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Solution Overview
Problem
Existing application installation methods lack effective authentication, allowing malicious applications to bypass installation controls and deteriorate user experience by being installed without meeting user expectations.
Innovation Solution
Implement a method and device with a functional module to manage application installation, using credentials and user confirmation to ensure that only applications meeting user expectations are installed, either locally or distributed across devices within a network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If installation authentication is performed through physical buttons or certificate trust prompts, then installation security is improved, but installation process complexity and user operation difficulty increase
Solution Approach 1:
The patent introduces a trusted control as an intermediary component that mediates between the installation source and the package management service. This trusted control verifies the credibility of installation sources and manages installation credentials, thereby maintaining installation security while simplifying the user interface. Instead of requiring users to interact with complex certificate trust prompts or physical buttons, the trusted control handles authentication in the background, presenting a simplified installation interface to users.
Solution Approach 2:
The system implements self-service authentication mechanisms where the trusted control automatically verifies installation sources and manages credentials without requiring user intervention for each installation. The package management service automatically communicates with the trusted control to obtain installation credentials, and the system automatically verifies the credibility of installation sources, reducing the need for users to manually configure security settings or respond to authentication prompts.
2Productivity
If installation authentication is bypassed for convenience, then installation speed is improved, but system security and user control are deteriorated
Solution Approach 1:
The patent implements preliminary authentication actions where the trusted control pre-verifies installation sources and pre-issues installation credentials before actual application installation occurs. The system establishes trust relationships in advance, and the package management service obtains installation credentials beforehand through automatic verification with the trusted control. This preliminary action enables fast installation execution while maintaining security, as the authentication groundwork is already completed.
Solution Approach 2:
The system implements feedback mechanisms where the trusted control continuously monitors and verifies installation requests, providing real-time authentication feedback to the package management service. The package management service receives feedback about the credibility of installation sources and adjusts its installation behavior accordingly. This feedback loop ensures that security verification occurs seamlessly in the background, maintaining both installation speed and security.
3Reliability
If multiple authentication methods are implemented, then installation security is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple authentication functions into a single integrated trusted control component. Instead of having separate authentication mechanisms scattered throughout the system, the trusted control consolidates source verification, credential management, and installation authorization functions. This unified approach maintains comprehensive security while reducing overall system complexity, as the trusted control serves as a centralized authentication authority that the package management service can rely on.
Data Source
AI summary
An application installation method and a device, where the method includes that the device may manage an initiator of installing an application, and identify an application installation behavior of the initiator. When the application installation behavior of the initiator meets a user expectation and is secure, the device may implement local installation or distributed installation of the application. When the application installation behavior of the initiator does not meet a user expectation and is insecure, the device may authorize an installation credential.