An embedded variable granularity control flow verification method and system based on probabilistic prediction
A technology of probabilistic prediction and granularity control, which is applied in the fields of instrumentation, computing, electrical and digital data processing, etc., and can solve the problems of insufficient security, low operation cost, and high cost.
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[0036] The present invention is an embedded variable granularity control flow verification scheme based on probabilistic prediction. The scheme verifies the integrity of software on an embedded platform by combining two verification schemes of coarse and fine granularity. There is a relative balance between safeguards. The invention utilizes the remote attestation framework to effectively prove the integrity of the embedded device, and credibly calculates the hash value of the control flow graph based on the TrustZone hardware isolation technology. The invention has the characteristics of high security, low running overhead, variable granularity of control flow and the like.
[0037] In order to make the purpose, advantages and technical solutions of the present invention clearer, the present invention will be further described in detail below through specific implementation and in conjunction with the accompanying drawings.
[0038] figure 1 Describes the overall architectu...
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