System upgrade method, OTA upgrade package encryption method, terminal device and vehicle
A terminal equipment and system upgrade technology, applied in the automotive field, can solve problems such as poor safety, achieve the effect of improving safety and ensuring structural integrity
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[0074] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0075] see figure 1 , figure 1 It is a flowchart of a system upgrade method provided by an embodiment of the present invention, which is applied to terminal equipment, such as figure 1 As shown, the method includes the following steps:
[0076] Step 101. Obtain description information of the OTA upgrade package, the description information including: a key, an OTA public key, an OTA public key signature, and a digest signature of the OTA upgrade package.
[0077] In this embodiment, before the upgrade is prepared, the description information of the OTA upgrade package can be obtained first, so as to know the basic information of the OTA upgrade package to be upgraded, and it is convenient to use the description information to decrypt and verify the OTA...
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