Secure start registration method and system based on CSEc encryption module

By implementing the automated process of key generation, transmission and verification between the microcontroller unit and the CSEC encryption module, the problem of the cumbersome secure startup registration process in the prior art is solved, and the secure startup and normal operation of the microcontroller unit is achieved.

CN119652494APending Publication Date: 2025-03-18SHENZHEN HANGSHENG ELECTRONICS +1
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Patent Information

Application Number
CN202411727384.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

The existing secure startup registration technology process based on CSEC encryption module is cumbersome and lacks automated processes and protocols, resulting in the incomplete key injection and functional security activation mechanisms.

Method used

The key is generated through the microcontroller unit and the key is sent to the CSEC encryption module. The CSEC encryption module sends a verification key to the microcontroller unit. The microcontroller unit determines whether the verification key is correct. If it is correct, the secure startup registration process will be performed.

Benefits of technology

The key injection and functional safety enable mechanism are implemented to enable the microcontroller unit to be safely started and run normally, simplifying the secure start registration process.

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Abstract

The invention relates to the field of hardware security, in particular to a secure start registration method and system based on a CSEc encryption module, a microcontroller unit sends a secret key to the CSEc encryption module, the CSEc encryption module sends an inspection secret key to the microcontroller unit, the microcontroller unit judges whether the inspection secret key is correct or not, if yes, the CSEc encryption module sends the check secret key to the CSEc encryption module, and if not, the CSEc encryption module sends the check secret key to the CSEc encryption module. According to the system and the method, the operation time of production line staff can be saved, the leakage of key inscriptions can be prevented, the accuracy of registration results can be ensured, and the production line process time can be saved.
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