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Vehicle key generating and issuing method and device

A key generation and key generator technology, applied in the field of secure communication, can solve the problems of complex and large key generation and issuance systems, easy to be maliciously obtained, and low security, so as to achieve easy deployment and ensure lightness. , the effect of improving safety

Active Publication Date: 2020-05-12
CHINA INTELLIGENT & CONNECTED VEHICLES (BEIJING) RES INST CO LTD
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  • Abstract
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Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the problem that the vehicle key stored in the database is easily obtained maliciously, the security is not high, and the encryption The key generation and issuance system is complex and huge, and it is not easy to deploy, thus providing a vehicle key generation and issuance method and device

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  • Vehicle key generating and issuing method and device
  • Vehicle key generating and issuing method and device
  • Vehicle key generating and issuing method and device

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Embodiment Construction

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035]In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, o...

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Abstract

The invention provides a vehicle key generating and issuing method and device which are applied to a key generator, a key issuing terminal and a vehicle key management terminal, and the method appliedto the key generator comprises the steps of receiving key generating parameters; reading a key generation root; according to the key generation parameter and the key generation root, generating a keyaccording to a target algorithm; generating key issuing information according to the key, wherein the key issuing information comprises a key verification code; and sending the key issuing information to a key issuing terminal. By implementing the method and the device, the security of storing the key generation root can be improved, so that the security of key generation is ensured, a huge database is not required to store and back up the key, the lightness of a key generation system is ensured, and the deployment is convenient.

Description

technical field [0001] The invention relates to the field of secure communication, in particular to a method and device for generating and issuing a vehicle key. Background technique [0002] With the development and popularization of automobile intelligence and networking, the vehicle side uses encryption to transmit various key data for the safety of information transmission. Therefore, the issue of safe key issuance and update has become an important issue to be considered in the development of intelligent and networked vehicles. [0003] In the related technology, the key generated by the key server is stored in the key database. When the database terminal is maliciously attacked, the key stored in the database is easy to be obtained by external devices, and the security is not high. Existence makes the entire key generation and issuance system complex and bulky, and difficult to deploy. Contents of the invention [0004] Therefore, the technical problem to be solved...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L9/08
CPCH04L9/3263H04L9/3268H04L9/0891H04L9/0894H04L9/0861
Inventor 靳龙辉王建宋广发张志宾段树明王召秦洪懋
Owner CHINA INTELLIGENT & CONNECTED VEHICLES (BEIJING) RES INST CO LTD
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