Data security transmission method and system of electric vehicle connected with intelligent network
A technology of data security and transmission method, which is applied in the field of digital information security communication, can solve problems such as potential safety hazards, threats to privacy security, threats to user life security, social public property security, etc., to achieve protection of security, protection of privacy security and personal security, Guaranteed authenticity and integrity
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Embodiment 1
[0038] Embodiment 1 of the present invention proposes a data security transmission method for intelligent network-connected electric vehicles, such as figure 1 and figure 2 as shown, figure 1 is a flowchart of the method, figure 2 is a schematic diagram of the method, from figure 1 and figure 2 It can be seen intuitively that the method includes:
[0039] S1. Count the number of vehicles 1 in each communication area, and determine whether to establish a mixed area in each communication area according to the number of vehicles 1, specifically including:
[0040] Statistics of each communication area in The number n of vehicles 1 within its communication range within a time period, where T begin Indicates the starting time, T end Indicates the end time, Indicates the time period from the start time to the end time;
[0041] Determine whether to establish a mixed area in each communication area according to the number n of vehicles 1. When n≥K, a mixed area is estab...
Embodiment 2
[0087] Such as image 3 As shown, Embodiment 2 of the present invention provides a method system for secure data transmission of intelligent network-linked electric vehicles, the system comprising:
[0088] Mixed area building module 11, used for counting the number of vehicles 1 in each communication area, and determining whether to establish a mixed area in each communication area according to the number of vehicles 1;
[0089] A risk level judging module 12, configured to set a risk threshold, and judge the risk level of each mixed zone according to the risk threshold; the risk level includes a first risk level, a second risk level and a third risk level;
[0090] The communication mode determination module 13 is used to determine the communication mode of each of the mixed areas according to the risk level; the communication mode includes the mixed area anonymous communication mode 6, the mixed area anonymous and group signature communication mode 5 and data attribute forw...
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