Dynamic Map Data Authentication Across Map and Automotive Companies
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Solution Overview
Problem
Conventional map information management systems fail to prevent data alteration and authenticate the authenticity of dynamic map data during transfer and implementation among multiple organizations such as map and automotive companies, compromising the integrity of automatic driving vehicle data.
Innovation Solution
A map information management system employs a public key encryption multiplexing method to encrypt and authenticate dynamic map data using secret and public keys, ensuring data integrity and authenticity through a series of management devices operated by map and automotive companies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If dynamic map data is transferred and implemented among multiple organizations (map companies, automotive companies), then data can be widely distributed and utilized, but data alteration and authenticity verification become problematic
Solution Approach 1:
The patent segments the data management system into multiple independent management devices (dynamic map data management device, map company exclusive application data management device, automotive company exclusive application data management device). Each device operates independently with its own key pair, creating a distributed yet secure architecture that allows wide data distribution while maintaining integrity through individual authentication layers.
Solution Approach 2:
The patent introduces public key cryptography as an intermediary mechanism between organizations. Each organization holds public keys that serve as mediators for authenticating data without requiring direct trust relationships. The public keys act as intermediaries that verify authenticity while allowing data to pass through multiple organizational boundaries.
2Reliability
If conventional encryption techniques are used for data transfer, then basic security is provided, but multiple layers of organizational authentication and data addition cannot be properly managed
Solution Approach 1:
The patent implements a nested encryption structure where data is sequentially encrypted by multiple management devices, each adding their own encryption layer and authentication signature. The dynamic map data management device encrypts first, then map company management device adds its layer, and finally automotive company management device adds its layer. This nested structure allows multiple organizations to securely process and authenticate the same data without knowing each other's private keys.
Solution Approach 2:
Each management device performs preliminary authentication and encryption actions before passing data to the next organization. The public keys are pre-distributed to all relevant devices, and each device pre-processes data with its authentication layer before transfer, ensuring that when data reaches any organization, it already carries the necessary authentication credentials from all previous handlers.
Data Source
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AI summary
When providing map information via a plurality of organizations, a map information management system which prevents data alteration of the map information and confirms data authenticity of the map information is obtained. The map information management system includes a map company exclusive application data management device that confirms data authenticity from encrypted data obtained from a dynamic map data management device and generates encrypted data from data which is added map company exclusive application data to dynamic map data by a map company exclusive secret key, and an automotive data management device that obtains data which is added map company exclusive application data to dynamic map data from the map company exclusive application data management device, confirms data authenticity that is added map company exclusive application data to dynamic map data with using a map company exclusive application data public key, and generates encrypted data from data with automotive company exclusive application data by an automotive company exclusive application data secret key.