Remote Authentication for Secure Image Data Deletion
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Solution Overview
Problem
Users face inefficiencies in deleting image data stored in image forming apparatuses, requiring physical presence and inputting passwords, which is time-consuming and labor-intensive.
Innovation Solution
A printing system comprising a terminal apparatus and a printing apparatus that communicate via a network, allowing users to transmit authentication information remotely for data deletion, eliminating the need for physical presence at the printing apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the user inputs the password via the screen of the image forming apparatus to delete the image data, then the authentication security is maintained, but the user time and labor increase significantly
Solution Approach 1:
The patent introduces a terminal apparatus as an intermediary device between the user and the image forming apparatus. The terminal apparatus receives the password input from the user, transmits it to the image forming apparatus via a network, and enables remote deletion of image data without requiring the user to physically interact with the printer's screen. This intermediary approach maintains security while significantly reducing user time and labor.
2Ease of operation
If the user physically goes to the image forming apparatus to delete the image data, then the deletion operation can be performed, but the ease of operation deteriorates
Solution Approach 1:
The patent replaces the mechanical/physical interaction system (user physically going to the printer and manually inputting password via the printer's screen) with an electronic/network-based system. The terminal apparatus communicates with the image forming apparatus through network transmission, substituting the mechanical presence requirement with electronic data transmission. This maintains operational ease while introducing network communication capabilities.
3Reliability
If the image forming apparatus stores the password and image data locally for secure deletion, then the security is improved, but the ease of operation for deletion decreases
Solution Approach 1:
The terminal apparatus serves multiple functions: it acts as a user interface for password input, a communication gateway for network transmission, and a control node for initiating deletion operations. This multi-functional design allows the system to maintain secure local storage of credentials while providing convenient remote deletion capability through the universal terminal apparatus that can perform various operations.
Data Source
AI summary
A printing system includes a terminal apparatus and a printing apparatus. The terminal apparatus includes: a first inputting section; and a processor configured to: transmit a print request for printing an object image indicated by object data to the printing apparatus; receive first input authentication information inputted by a user; and transmit the first input authentication information to the printing apparatus. The printing apparatus includes: a second inputting section; a printing section; a processor configured to: receive the print request; store the object data and associated authentication information included in the print request while associating with each other in a first memory; receive the first input authentication information; determine whether the first input authentication information matches the associated authentication information; receive input of second input authentication information from the user; and determine whether the second input authentication information matches the associated authentication information.