关键词: 工业互联网, 数据安全, 密码技术, 协议安全, 身份认证, 隐私保护

Abstract: The Industrial Internet is based on the network, takes the platform as the core, and takes security as the guarantee. It connects all industry elements and the entire industry chain through the largescale key network infrastructure, collects, and analyzes industry data in realtime, forming a new application model of nextgeneration ICT(Information Communication Technology). In recent years, the network security situation at home and abroad has become more severe, and critical information infrastructure has increasingly become the target of key attacks by statelevel attackers and hacker organizations. The security assurance of the Industrial Internet will face new challenges. How to establish a security system for industrial Internet, effectively avoid internal and external attacks on industrial control systems and terminal equipment, reduce risks such as industrial data leakage and tampering, and ensure the security and reliability of industrial Internet platforms and applications are urgent problems to be solved. The paper comprehensively analyzes and introduces the status quo of the Industrial Internet, security risks and cryptographic application requirements and status, etc.; researches and designs the industrial Internet cryptographic security framework, and introduces the security from the components of the framework, as well as the modes, methods and development trends of cryptographic applications for the Industrial Internet; outlines the key technologies of cryptography applications in industrial Internet network security, edge node security, and control security. The paper has reference value for strengthening the implementation and promotion of industrial Internet cryptographic applications in my country and escorting the digital transformation of the industry.Key words industrial Internet; data security; cryptography; protocol security; identity authentication; privacy protection

Key words: industrial Internet, data security, cryptography, protocol security, identity authentication, privacy protection