Encrypted Measurement Data Recording With Distributed Ledger Traceability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing data recording systems lack secure and transparent methods for collecting, managing, and verifying measurement data across supply chains, particularly in environments where data privacy and security are critical, such as food cold chains.
Innovation Solution
A data recording apparatus and system that utilize encryption keys for secure data transmission and management, integrating with distributed ledger technology (DLT) to ensure data authenticity, traceability, and transparency across the entire system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is recorded and managed using traditional centralized systems, then data access and management are simplified, but data security and privacy protection are compromised
Solution Approach 1:
The patent introduces a key exchange mechanism as an intermediary between data recording apparatus and the system. Encryption keys are exchanged through authenticated key exchange units, allowing secure data transmission without direct exposure of sensitive information. This intermediary layer protects data security while maintaining manageable system complexity through standardized key exchange protocols
Solution Approach 2:
The system segments data management functions across multiple distributed data recording apparatus rather than using a single centralized system. Each apparatus independently manages its own data with local encryption keys, then contributes to the distributed ledger. This segmentation enhances security through distribution while the modular architecture keeps individual component complexity low
2Reliability
If encryption keys are exchanged between data recording apparatus and system, then data transmission security is improved, but authentication and key management complexity increases
Solution Approach 1:
The data recording apparatus performs self-authentication and self-encryption operations. Each apparatus has its own key exchange unit that autonomously manages encryption keys and authenticates itself to the system without requiring complex external authentication infrastructure. This self-service approach enhances transmission security while reducing overall authentication complexity
Solution Approach 2:
The system implements authenticated key exchange with feedback mechanisms where the system verifies the identity of data recording apparatus and confirms successful key exchange. This feedback loop ensures secure key distribution while the automated verification processes prevent authentication complexity from escalating manually
3Reliability
If measurement data is encrypted using exchange keys, then data privacy is protected, but data accessibility and verification become more difficult
Solution Approach 1:
Different parts of the system have different access rights to encrypted data. The data recording apparatus holds local decryption capability for its own data, while the system can verify encrypted data integrity without full decryption. This local quality approach protects data privacy while maintaining ease of operation for authorized parties through distributed key management
Solution Approach 2:
The system creates cryptographic copies of data through the distributed ledger mechanism. Encrypted data is replicated across multiple nodes in the distributed system, each holding a copy that can be independently verified. This copying approach maintains data privacy through encryption while enhancing accessibility through distributed replication and verification capabilities
4Reliability
If distributed ledger technology is used to manage measurement data, then data authenticity and traceability are enhanced, but system complexity and computational requirements increase
Solution Approach 1:
Encryption keys are exchanged and data is encrypted before being recorded on the distributed ledger. This preliminary encryption action ensures data authenticity and privacy are established prior to distribution, simplifying the ledger implementation by reducing the need for complex post-recording verification mechanisms
Solution Approach 2:
The encrypted measurement data stored in the distributed ledger serves multiple functions: it provides authentication evidence, enables traceability tracking, maintains privacy protection, and supports verification by multiple parties simultaneously. This multi-functionality enhances data authenticity while reducing overall system complexity by consolidating multiple security functions into a single distributed ledger infrastructure
Data Source
AI summary
Provided is a data recording apparatus including a key exchange unit for exchanging a first encryption key with a system in response to authentication by the system, a data collection unit for collecting measurement data obtained by measuring a physical quantity associated with a measurement target, a data recording unit for recording the measurement data, and a data transmission unit for transmitting the measurement data encrypted using the first encryption key to the system. In addition, provided is a system including a key management unit for exchanging a first encryption key with a data recording apparatus in response to authentication of the data recording apparatus, a data obtaining unit for obtaining measurement data obtained by measuring a physical quantity associated with the measurement target encrypted by the data recording apparatus using the first encryption key, and a data management unit for managing the measurement data using a distributed ledger technology.