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Photonic power firewalls. (English) Zbl 1405.94061

Ryan, Peter Y. A. (ed.) et al., The new codebreakers. Essays dedicated to David Kahn on the occasion of his 85th birthday. Berlin: Springer (ISBN 978-3-662-49300-7/pbk; 978-3-662-49301-4/ebook). Lecture Notes in Computer Science 9100, 342-354 (2016).
Summary: This paper describes a new countermeasure against side-channel power attacks. We show that a conventional chipcard can be powered using an organic electroluminescent diode (oled) facing a photovoltaic cell. By doing so, the card’s power consumption becomes constant and equal to the oled’s power consumption. Despite size, energy conversion and heat dissipation issues, we believe that this countermeasure nicely suits several high security applications. Because photonic power firewalls guarantee physical isolation, we recommend photonic firewalls for applications where energy and form factor considerations are not as important as security (e.g. diplomatic encryption devices).
For the entire collection see [Zbl 1334.94030].

MSC:

94A60 Cryptography
68P25 Data encryption (aspects in computer science)
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