一种基于二维耦合混沌的车载CAN总线轻量级安全通信方法
By employing a two-dimensional coupled chaotic mapping and a hierarchical key management mechanism, the problems of security authentication and key distribution in vehicle CAN bus communication are solved, achieving lightweight secure communication that improves security and key freshness without increasing computational and communication overhead.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUNAN NORMAL UNIVERSITY
- Filing Date
- 2026-05-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing vehicle CAN bus communication protocols have shortcomings in node authentication, key distribution, and lightweight secure communication, especially in hierarchical vehicle networks where nodes with limited computing resources struggle to achieve efficient and secure communication.
A two-dimensional coupled chaotic mapping is used to generate random challenge values, authentication random quantities, and chaotic seeds. Combined with the hierarchical key management mechanism of epoch and rand, identity authentication, shared session key derivation, and lightweight secure communication are realized.
It improves the security and key freshness of vehicle CAN bus communication, reduces computational and communication overhead, and achieves lightweight secure communication.
Smart Images
Figure CN122160194B_ABST