Digital Signature Verification for Personal Data Processing
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Solution Overview
Problem
There is a challenge in ensuring the reliability and security of personal data transfer between users and service providers, as users may provide improperly processed data, making it difficult for service companies to offer accurate services, and there is a risk of data forgery or falsification without clear verification of processing methods.
Innovation Solution
An information processing apparatus and method that includes a processor to receive personal data, agreement information on processing methods, and attach digital signatures to processed data, ensuring data integrity and trust by verifying the processing methods and identities involved.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If personal data is transferred without verification of processing methods, then data transfer efficiency is improved, but data reliability and security deteriorate
Solution Approach 1:
The patent applies preliminary action by requiring the personal data originator to attach a digital signature to the processed data before transfer. This advance verification mechanism ensures that the processing methods have been properly applied and authorized, preventing reliability issues while maintaining efficient data transfer without needing complex verification during the transfer process itself
Solution Approach 2:
The patent implements feedback through the digital signature mechanism, where the personal data originator provides verification information (digital signature) that confirms the processing methods were correctly applied. This feedback loop allows the personal data user to verify data reliability without requiring complex real-time verification systems, thus maintaining transfer efficiency
2Reliability
If digital signatures are attached to processed data, then data security is improved, but processing complexity increases
Solution Approach 1:
The patent applies self-service by requiring the personal data originator themselves to attach the digital signature to the processed data. This eliminates the need for complex third-party verification systems or additional processing infrastructure, as the data originator performs the security function themselves, thereby improving data security without significantly increasing system complexity
Solution Approach 2:
The digital signature acts as an intermediary mechanism that provides security verification without requiring direct complex interaction between the personal data originator and user. The signature serves as a trusted mediator that confirms proper processing, simplifying the overall system architecture while maintaining high security standards
3Measurement precision
If processing methods are strictly verified, then data accuracy is improved, but ease of operation deteriorates
Solution Approach 1:
The personal data originator performs the verification and digital signature attachment themselves, ensuring data accuracy through their own knowledge of the processing methods. This self-service approach maintains high data accuracy requirements while avoiding the need for complex external verification procedures that would reduce operational ease
Data Source
AI summary
An information processing apparatus includes: a memory; and a processor coupled to the memory and configured to: receive personal data related to a personal data originator; receive agreement information on a processing method for the personal data agreed between the personal data originator and a personal data user who uses the personal data; process the personal data by the processing method defined in the agreement information; and attach a digital signature to processed data and output the processed data.