Iot device identity authentication method based on dynamic reputation and sbt
By combining the collaborative authentication method of PUF module, cloud TEE and blockchain smart contract, the problems of easy cloning of IoT device identity and opaque reputation assessment are solved, realizing strong anchoring of device identity and dynamic reputation management, ensuring device security and automated access management.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHONGYUAN ENGINEERING COLLEGE
- Filing Date
- 2026-04-02
- Publication Date
- 2026-06-16
AI Technical Summary
IoT device identity credentials are easily physically cloned, the credit assessment process is opaque and lacks automated permission governance, and existing technologies are unable to achieve strong anchoring of device physical identity and dynamic credit governance throughout the entire lifecycle.
An IoT device identity authentication method based on dynamic reputation and SBT is adopted. The authentication is completed by the collaborative efforts of the PUF module on the IoT device, the TEE in the cloud, and the smart contract on the blockchain. The hardware root key is generated through PUF. Combined with the reputation assessment of the cloud TEE and the dynamic governance of the smart contract, the device identity is strongly anchored and the reputation is managed throughout the entire life cycle.
It achieves strong physical identity anchoring and dynamic reputation governance throughout the entire lifecycle of IoT devices, ensuring the uniqueness and security of device identities, preventing identity hijacking and tampering, and providing automated access control and reputation assessment mechanisms.
Smart Images
Figure CN122226440A_ABST