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Architectural vulnerabilities in basic analog circuits that can be exploited to embed analog hardware Trojans are identified. Challenges of detecting the presence of analog hardware Trojans are discussed. An example is presented of a simple widely used reference generator that incorporates an embedded analog hardware Trojan that requires no extra circuit components, no area overhead, and that leaves...
Challenges of using standard circuit simulators to determine the presence or absence of undesired operating points are discussed. Examples are given of circuits and simulation strategies that show the presence of undesired operating points when they exist but other examples are given that show the same strategies can fail to show the presence of undesired operating points under modestly different...
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