Enhanced security of power management communications and protection from side channel attacks
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United States of America Patent
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Aug 1, 2017
Grant Date -
Dec 22, 2016
app pub date -
Jun 16, 2015
filing date -
Jun 16, 2015
priority date (Note) -
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Abstract
Systems, apparatuses and methods may provide for detecting a request to access a power management register and conducting, via a power management security interface, a runtime credential exchange with a source of the request. Additionally, the request may be denied if the runtime credential exchange is unsuccessful. In one example, a plug event is detected, via a dedicated side channel, with respect to a debug port. A noise analysis may be conducted of one or more power rails in response to the plug event, wherein policy based counter noise may be generated on at least one of the one or more power rails at runtime if the noise analysis identifies a potential security attack.
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