Vehicle data management method and management system, viewing method and viewing terminal

The invention relates to the field of vehicle data encryption, in particular to a vehicle data management method and management system, a viewing method and a viewing terminal, and the management method comprises the steps: signing digitally by a public and private secret key pair, and determining authorization states of a data viewer and a data provider; encrypting the vehicle data through the data key, and encrypting and decrypting the data key through the dynamic key; technologies of data encryption and decryption, dynamic key protection, digital signature, key security transmission, digital signature authorization cancellation and the like are integrated to form a technical closed loop, authorization protection of data during service application is realized, authenticity of data authorization data is verified. The integrated application of the digital signature and the secret key on the personal data authorization protection method is realized, and the safety of personal vehicle data is effectively protec