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Building up on SIDAN: improved and new invariants for a software hardening Frama-C plugin

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Academic year: 2021

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Figure

Figure 4: A simple program and its control flow graph
Figure 5: Illegal transitions in the control flow, detected (left) and unnoticed (right) It should be noticed that the instrumentation must itself resist to faults for the checks to be reliable
Figure 7: Enforcing data flow integrity around a read & write instruction
Figure 10: Propagation of the constraints on a variable
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