Network System for Secure Firmware Delivery via Mediator
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Solution Overview
Problem
The existing methods for updating firmware in image forming apparatuses require manual intervention by a serviceman, increasing costs and user burden, and pose security risks due to the separation of monitoring center host computers and delivery servers, which complicates data transmission and testing.
Innovation Solution
A network system that integrates a device management system with a data delivery system, allowing for secure data transmission and reception through a display device with a first and second display unit, request unit, retrieval unit, and receiving unit, using a server key and hash values to ensure confidentiality and reduce user burden.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the monitoring center host computer and the delivery server are separated into different systems, then the availability and maintainability of each system is improved, but the user's operational burden increases and security of data transmission cannot be ensured
Solution Approach 1:
The patent introduces a monitoring center host computer as an intermediary system between the user's information processing apparatus and the delivery server. This mediator automatically retrieves device information, performs hash value verification using server keys, and facilitates secure data transmission without requiring direct user interaction with either the monitoring center or delivery server, thus reducing operational burden while maintaining system separation
Solution Approach 2:
The patent combines multiple functions into the information processing apparatus including a display unit for showing both monitoring and delivery screens, a request unit for automatically requesting device retrieval, and a receiving unit for obtaining delivery information. This integration allows the user to interact with a single unified interface rather than separately operating two different systems
2Ease of manufacture
If the monitoring center host computer and the delivery server are separated into different systems, then the maintainability and testing efficiency of each system is improved, but the security of data transmission through the network cannot be ensured
Solution Approach 1:
The monitoring center host computer acts as a secure intermediary that verifies device authenticity through hash value comparison using server keys before allowing data transmission to the delivery server. This intermediary layer ensures that only authenticated devices receive deliveries, maintaining security while allowing the systems to remain separate and independently maintainable
Solution Approach 2:
The system performs preliminary authentication actions by verifying hash values and validating device identities through the monitoring center before actual data delivery occurs. This preliminary security check ensures that security requirements are met before the delivery server processes any requests, allowing both systems to remain separate yet secure
Data Source
AI summary
A delivery server association button of a Web screen 1103 for a monitoring center host computer is depressed to start a Web browser, opening a Web screen for a delivery server. A request from the Web screen for the delivery server and a retrieval request including retrieval conditions are transmitted to the monitoring center host computer. The monitoring center host computer retrieves an image forming apparatus according to the retrieval conditions and transmits the results of retrieval along with information for detecting the interpolation thereof from the monitoring center host computer to the delivery server via a PC with the delivery server as a redirection destination.