Research on Coupling Fault of Automotive Gauge Level Chip Based on Orthogonal Algorithm
From the perspective of cyber security of automotive chips,the operation of automotive encryption chips is mainly influenced by the electromagnetic,voltage and light in the environment.Based on elucidating the principle of the influence of electromagnetic,voltage and light on encryption chips,this paper considers the three factors and their interactions,and proposes a multi-dimensional combination of automotive gauge level encryption chip fault injection testing technology.Taking a typical encryption chip as an example,by performing electromagnetic manipulation,voltage manipulation,optical injection,and a combination of the three,the encrypted or plaintext obtained by encrypting and decrypting the encryption chip before and after fault injection is compared,and the security conclusion of the encryption chip is drawn.
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