Forensics System for Internet of Vehicles Based on Post-Quantum Blockchain

Area of Science:

• Cybersecurity
• Intelligent Transportation Systems
• Blockchain Technology

Background:

• Traditional vehicle networking systems face challenges in centralized processing, data leakage, and weak anti-interference.
• The Internet of Vehicles (IoV) is crucial for intelligent transportation, necessitating robust information security.
• Quantum computing poses a significant threat to existing encryption technologies used in blockchain.

Purpose of the Study:

• To propose a novel blockchain architecture for IoV forensics.
• To address privacy protection and data security issues in IoV systems.
• To develop a quantum-resistant digital signature scheme for IoV.

Main Methods:

• Implemented a decentralized blockchain architecture leveraging distributed storage and tamper-proof capabilities.
• Integrated lattice cryptography and ring signatures into digital signature technology for enhanced security.
• Introduced DualRing technology to improve the efficiency of lattice-based cryptographic algorithms.

Main Results:

• The proposed scheme ensures privacy protection and traceability of signer identity.
• Theoretical analysis confirmed the scheme's correctness, anonymity, unlinkability, and traceability.
• Simulations showed significant improvements in computational efficiency and reduced storage overhead, with signature and verification times of 65.76 ms and 21.46 ms for 256 ring members.

Conclusions:

• The developed blockchain architecture is suitable for IoV forensics scenarios.
• The integration of lattice cryptography and DualRing technology provides a quantum-resistant and efficient solution.
• The proposed scheme effectively enhances the security, privacy, and traceability of IoV data.