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The Thermodynamics of Confidentiality

Pasquale Malacaria ( Queen Mary, University of London )

What has a property (confidentiality) of a human artifact (software) to do with the most basic laws of physics?
I came across these questions and some answers in recent years. I found it a fascinating tale about the physical value of information and the cost incurred in protecting it. Some of these results are fundamental limits on any physical device guaranteeing a certain degree of confidentiality while others relate to physical properties of timing channels.
This talk will survey (in accessible form) some of these results/ideas, their interpretation and possible research directions.
This is a joint work with Fabrizio Smeraldi.

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