Web Data Right Management via Protocol Intermediary
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Solution Overview
Problem
Current web data right management schemes lack standardization for right management associated with information sent to clients, are limited to specific formats like HTML, and require additional functionality or browser-specific development, failing to protect dynamically generated data objects effectively.
Innovation Solution
A web data right management device and method that adds agent information to the header of web data request messages to indicate supported right management, parses and outputs right information in reply messages, and controls the output of web data based on parsed information, allowing for protocol-level right management without altering the web server's functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional right management schemes (scripts, cookies, browser extensions) are used, then protection of web data can be implemented, but the schemes are limited to specific formats like HTML and require additional functionality or browser-specific development
Solution Approach 1:
The patent applies universality by creating a right management system that works across multiple data formats (HTML, images, dynamically generated content) and operating systems through a standardized protocol. The protocol-level implementation allows the same mechanism to protect diverse content types without requiring format-specific implementations, making the system universally applicable across different browsers and platforms.
Solution Approach 2:
The patent introduces an intermediary protocol layer between the web server and browser that handles right management independently of the specific data format. This protocol acts as a mediator that translates various data types into a standardized protection mechanism, eliminating the need for browser-specific extensions or format-specific scripts while maintaining effective right management.
2Ease of manufacture
If browser extensions are used for right management, then protection can be implemented with ease of identifying protection targets, but the scheme requires development for each browser and OS and cannot operate in browsers without extension functionality
Solution Approach 1:
The patent replaces browser extensions with a protocol-level intermediary that operates independently of browser-specific functionality. This intermediary mechanism is embedded in the web data transmission protocol itself, allowing it to function in any browser that supports the protocol without requiring additional extensions or browser-specific development.
Solution Approach 2:
The protocol-level right management system provides universal functionality across different browsers and operating systems through a standardized interface. By implementing right management at the protocol level rather than through browser-specific extensions, the system achieves broad compatibility while maintaining ease of protection implementation through standardized mechanisms.
3Device complexity
If scripts and cookies are used for right management, then no additional functionality is required in the web server, but the scheme does not work when script operation is blocked and protection targets are limited to HTML data
Solution Approach 1:
The patent introduces a protocol-level intermediary mechanism that operates between the web server and browser, independent of script execution. This intermediary handles right management directly at the data transmission layer, eliminating reliance on client-side scripts and cookies while maintaining web server simplicity. The protocol ensures protection reliability even when script operation is blocked.
Solution Approach 2:
The patent replaces the mechanical system of client-side script execution with a protocol-level mechanism that enforces right management server-side. By substituting client-side script-based protection with server-controlled protocol enforcement, the system eliminates the need for additional web server functionality while improving protection reliability against script-blocking scenarios.
4Ease of manufacture
If conventional schemes focus on protection of each file physically present on the web, then implementation is straightforward, but information that can be protected is limited to files with specific formats or objects involving control operation
Solution Approach 1:
The patent introduces a protocol-level intermediary that protects web data regardless of its physical file format or location. By operating at the protocol level, the system mediates protection for all web data transmission including dynamically generated content, images, and other non-HTML objects, expanding the scope of protectable information beyond conventional file-based approaches while maintaining implementation simplicity through standardized protocols.
Data Source
AI summary
Disclosed are a device for right managing web data, a recording medium for performing a method for right managing web data on a computer, and a device and a method for providing right management information. In the device for right managing web data, a message processing unit adds agent information, which shows support for right management, to the header of a web data request message that is sent to a web server from a web browser, and sends same to the web server, parses and outputs the right information included in the header of a web data reply message that is sent to the web browser from the web server, and sends web data that is included in the web data reply message to the web browser. Also, a right managing unit controls the output of web data, which is included in the web data reply message, through a web browser based on the parsed right information which is input from the message processing unit.