Key pre-distribution based automobile ECU integrity authentication and encrypted communication method
An integrity verification and encrypted communication technology, which is applied in the field of automotive ECU integrity verification and encrypted communication based on key pre-distribution, can solve security defects, control commands are easy to be intercepted and forged, and ECU firmware is easy to be tampered with. Low cost, resistance to physical attacks, and ease of difficulty
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[0033] In order to further understand the content, features and effects of the present invention, the following examples are given, and detailed descriptions are given below with reference to the accompanying drawings.
[0034] see figure 1 :
[0035] An automotive ECU integrity verification and encrypted communication method based on key pre-distribution. KPS is used to provide a unique session key for each ECU. By comparing the ECU firmware hash value for identity verification, it is judged whether the ECU has been tampered with. Combined with remote two-step verification mechanism, security verification includes car factory initialization and car power-on self-test.
[0036] Further, the security framework of the automotive ECU integrity verification and encrypted communication method based on key pre-distribution is composed of administrators, main ECUs, and ordinary ECUs;
[0037] TSP (Telematics Service Provider: Automotive Remote Service Provider), as an administrator...
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