Server Path Verification for Secure Device Ownership Transfer
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Solution Overview
Problem
Existing personal authentication systems fail to prevent the mixing of information accumulated before and after a change in device ownership, allowing unnecessary information to be provided to the new owner.
Innovation Solution
A service providing method that registers and compares path information between electronic devices and relays to ensure that only relevant service information is provided to the new owner, preventing the transmission of information accumulated before and after the ownership change to the correct parties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If service information is provided to the terminal without path information comparison, then the service information can be provided simply and quickly, but unnecessary information from before ownership change will be provided to the new owner
Solution Approach 1:
The server acts as an intermediary between the electronic device and the terminal, introducing path information comparison as an intermediate verification step. This mediator ensures that only service information with matching path information (indicating current ownership) is transmitted to the terminal, preventing unnecessary information from being provided while maintaining system simplicity.
Solution Approach 2:
The system performs preliminary path information comparison at the server level before service information is transmitted to the terminal. This preliminary verification action filters out unnecessary information from previous ownership periods, ensuring that only relevant service information is provided to the current owner without adding complexity at the terminal end.
2Loss of information
If path information comparison is performed, then unnecessary service information can be prevented from being provided, but the system complexity increases
Solution Approach 1:
The server serves as an intermediary that handles the path information comparison logic centrally. By implementing the comparison mechanism at the server level rather than distributing it to multiple terminals and devices, the system manages complexity at a single point while maintaining the information filtering function across all client devices.
Solution Approach 2:
The path information comparison function is extracted and centralized at the server, separating the complex verification logic from the terminal devices. This extraction allows the server to handle the complexity of path matching and ownership verification, while terminals simply provide service information without needing to implement complex comparison logic.
3Reliability
If path information is registered and compared, then information security during ownership change is improved, but the registration and verification process becomes more complex
Solution Approach 1:
The server acts as a trusted intermediary that manages path information registration and comparison. This centralized mediator handles the security-critical operations of verifying ownership changes and filtering service information, ensuring reliable information security while consolidating the complex verification process at a single secure location rather than distributing it.
Solution Approach 2:
The system performs preliminary path information registration and storage at the server before service information is requested. This preliminary action establishes the baseline for future comparisons, enabling secure ownership verification without requiring complex real-time verification procedures during normal operation.
Data Source
AI summary
A service providing method using a server that controls an electronic device from a terminal through a network, includes a first registration step of registering first path information indicating a connection relationship between the electronic device and a relay, and user information indicating an owner of the electronic device, which are transmitted from the terminal, in association with each other; a path acquisition step of acquiring second path information indicating a connection relationship between the electronic device and the relay, from service information transmitted from the electronic device; a service information acquisition step of acquiring service information that the electronic device holds; a comparison step of comparing the first path information with the second path information; and a providing step of providing the service information to the terminal, if the comparison result is inconsistent, in the comparison step.