Communication method, device and system, equipment and storage medium

Abstract

The invention discloses a communication method, device and system, equipment and a storage medium. The method comprises the following steps: encrypting a first preset random number set through a randomly generated first AES key to obtain a first communication ciphertext; sending the first communication ciphertext to a server, so that the server decrypts the first communication ciphertext through asecond AES secret key generated randomly; receiving a second communication ciphertext returned by the server, wherein the second communication ciphertext is obtained by encrypting a second preset random number set through a second AES key; decrypting the second communication ciphertext through the first AES key to obtain a first decrypted message; and if the first decryption message is the same as the random number field contained in the second preset random number set, performing encryption communication. According to the embodiment of the invention, the encryption of the selectable data ofthe server and the client is completed while the code redundancy is reduced, so that the confidentiality, the integrity and the authenticity of the communication and the data are ensured.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular, to a communication method, device, system, device, and storage medium. Background technique [0002] With the increasingly high degree of electronic vehicles, in order to meet the increasingly rich functions of electronic vehicles, automotive Ethernet and automotive Wi-Fi communications are gradually popularized in automotive communications, but how to ensure that in the increasingly open automotive communications The communication security of in-vehicle Ethernet and in-vehicle Wi-Fi becomes the key. [0003] A traditional car is a closed environment and basically does not require additional security measures. Moreover, traditional Ethernet communication and Wi-Fi communication are based on Secure Sockets Layer (Secure Sockets Layer, SSL) / Transport Layer Security (Transport Layer Security, TLS), Internet Protocol Security (Internet Protocol Security, IPsec), ...

AI Technical Summary

Problems solved by technology

For the complex and dynamic environment of the Internet, huge authentication policies and restrictive measures have been set up. Currently, the most widely used SSL / TLS supports dozens of cipher suites, complex processing logic, and a large and redundant code system. Undoubtedly increases the data processing burden of the automotive electronic control unit (Electronic Control Unit, ECU)

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