Single-Tap App Installation With Encrypted Signature Verification
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Solution Overview
Problem
The challenge of securing automatic application installation on user devices is hindered by the vulnerability to malware and undesired applications due to minimal user interaction, which existing security measures cannot adequately address, especially in single tap operations.
Innovation Solution
Incorporating an encrypted signature string in the single tap link, verified by a verification server using a separate encryption key, ensures the integrity of the installation process by validating the request signature before allowing automatic installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If automatic installation is enabled with minimal user interaction, then user experience is improved and installation speed is increased, but security vulnerability increases due to inability to verify application authenticity
Solution Approach 1:
The system performs preliminary security verification by embedding an encrypted signature string in the advertisement content before the user interacts with it. When the user clicks the link, the device already has the cryptographic key needed to verify the application's authenticity, enabling automatic installation without compromising security.
Solution Approach 2:
The patent introduces an encrypted signature string as an intermediary element between the advertisement content and the automatic installation process. This signature acts as a cryptographic mediator that proves the application's authenticity without requiring user interaction with traditional verification interfaces.
2Reliability
If standard security measures are implemented to prevent malware installation, then security is improved, but user interaction requirements increase and automatic installation capability is lost
Solution Approach 1:
The patent extracts the security verification function from the traditional installation flow and embeds it directly in the advertisement content through the encrypted signature string. This allows security verification to occur automatically in the background without requiring user interaction with app stores or security prompts.
Solution Approach 2:
The system enables self-service security verification where the device automatically verifies the application's authenticity using the cryptographic key and encrypted signature string, without requiring user intervention. The verification process happens autonomously, maintaining both security and automation.
3Reliability
If users are redirected to an app store for application installation, then security verification is improved, but conversion rate decreases due to interruption of user flow
Solution Approach 1:
The encrypted signature string serves as a cryptographic intermediary that enables authenticity verification without requiring redirection to an app store. The signature proves the application's legitimacy, allowing direct installation while maintaining security.
Solution Approach 2:
The security verification mechanism is prepared in advance by embedding the encrypted signature string in the advertisement content. This preliminary setup eliminates the need for subsequent redirection to app stores, maintaining user flow and improving conversion rates while ensuring application authenticity.
Data Source
AI summary
A system for securing application installation on a user device includes a secure link server and a verification server. The secure link server outputs a secured link for downloading an application onto a user device. The secured link includes a signature encrypted with a first key. Content with a single tap link is displayed on a user device. When the single tap link is selected, the user device requests authorization to automatically install the application in single tap mode. The verification server verifies the validity of a request signature included in the request. If the request signature is valid, automatic installation is authorized. If the request signature is invalid, automatic installation is prohibited and the device enters a different mode for downloading and installing the application.