Vehicle Blockchain Trip Register for Tamper-Proof Data Integrity
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Solution Overview
Problem
Vehicles face challenges in securely storing and transmitting user data, as it can be lost or corrupted, especially in collisions, and is vulnerable to alteration.
Innovation Solution
A system utilizing a vehicle blockchain trip register, where data blocks are generated with hashes linking trip events and entry device data, forming a chain for secure storage and transmission across ad-hoc networks, ensuring data integrity through hash verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is stored in a single location in the vehicle, then storage is simple and fast, but the data can be lost or corrupted in a collision and is vulnerable to alteration
Solution Approach 1:
The patent segments vehicle data into multiple data blocks that are distributed across different storage locations including other vehicles in the network. Each data block contains hash links to previous blocks, creating a segmented chain structure that prevents single-point failure and enables verification of data integrity without requiring centralized storage.
2Reliability
If data is transmitted across vehicle networks, then data redundancy and security improve, but the risk of data corruption and the complexity of verification increase
Solution Approach 1:
The patent implements a feedback mechanism through hash links that connect each data block to its predecessor in the chain. When data is transmitted or stored, the hash of the previous block is included in the current block, creating a verification loop that allows any alteration or corruption to be detected by checking whether the hash values match the actual data content.
Solution Approach 2:
The patent uses hash functions as intermediary elements that mediate between the actual data content and the verification process. These hash values serve as compact representations that enable efficient detection of data integrity without requiring direct comparison of the entire data content, simplifying the detection process while maintaining security.
3Reliability
If a blockchain structure is implemented for data storage, then tamper-proof storage and data integrity are ensured, but the system complexity and computational requirements increase
Solution Approach 1:
The blockchain structure is segmented into discrete data blocks that can be independently created, verified, and stored. Each block contains only the necessary information (data payload and hash link to previous block), reducing the complexity burden on individual system components while maintaining the overall tamper-proof properties of the complete chain.
Solution Approach 2:
The patent employs copying of hash values from previous blocks to subsequent blocks, creating redundant verification information that can be distributed across the network. This copying mechanism enables multiple nodes to verify data integrity independently without requiring complex centralized validation logic, reducing system complexity while ensuring tamper-proof storage.
Data Source
AI summary
A computer includes a processor. The processor is programmed to generate, upon detecting a vehicle entry device, a first data block including a hash of identification data for the entry device. The processor is further programmed, upon detecting a trip event, to generate a second data block including a hash of trip event data and a hash linking the second data block to the first data block.