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With the increasingly prominent problem of information security in the network era, the establishment of an effective secure communication system has become the primary problem for enterprises. How to ensure the secure communication of data will be a long-term issue in the information and data age. Therefore, based on the relevant standards of CCSA technical requirements for security certificate management system of Internet of vehicles wireless communication technology based on LTE and the personalized requirements of the vehicle manufacturer, this paper studies the security certificate management and key management of intelligent Internet connected vehicles. The certificate management content covers the whole life cycle management process of certificates, including the overall business processes of application, distribution, cancellation, and update, and direct communication security design. The main goal of key security is to ensure the security of the key used in the identity authentication system in its generation, storage, use, update, abolition, archiving, destruction, backup, and recovery.
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