Abstract
With the continuous infiltration of in-vehicle smart devices, the once-closed in-vehicle network has become an opening environment and the problem of in-vehicle information security becomes increasingly prominent day by day. In this paper, we analyzed the harm of in-vehicle information security problem on basis of which we further conducted study on corresponding defense demands and summarized the suitable method of analysis; directed against the demand for in-vehicle information security, we conducted analysis on in-vehicle information security defense and summarized the information defending strategies of in-vehicle network and in-vehicle field bus; we studied the technologies used in the in-vehicle information security encryption mechanism and made comparative analysis towards the main algorithm.
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