Abstract: Industrial Internet is an important part of key information infrastructure, and its information security is very important. Commercial cryptographic algorithm is an important means to ensure the information security of industrial Internet. In response to these two types of security problems, this paper proposes a basic architecture for applying commercial cryptography to the industrial internet platform, and provides a solution for upgrading and transforming cryptographic applications at physical layer, infrastructure-as-a-service, platform-as-a-service, software-as-a-service, device layer and control layer of the industrial internet platform. It has been widely used to solve various security problems in information security management and information security technology, and the architecture has been applied to the implementation process of actual projects in the industry. The cryptographic application upgrade and transformation framework is connected and reconstructed with the existing business framework of the Hanyun Industrial Internet Big Data Platform and the Xuzhou Construction Machinery Group’s （XCMG） Internet of Vehicles Platform. The compatibility of the original platform equipment and the commercial cryptographic products that meet the requirements of relevant national standards has been achieved. The upgrade and transformation of the cryptographic application of the Hanyun Industrial Internet Big Data Platform and the XCMG Internet of Vehicles Platform has been achieved which demonstrated the broad applicability and sustainable development potential of the architecture.

Key words: industrial internet platform, commercial cryptography, industrial control system, information security