Do electromagnetic waves exist in a short cable at low frequencies? What does physics say?

2014/04/25 by Hsien-Pu Chen, Laszlo B. Kish, Claes-Goran Granqvist +1 · 2 citations
Computer Science · #cs.CR

paper · pdf · doi:10.1142/s0219477514500163

published as Fluctuation and Noise Letters 13 (2014) 1450016 (13 pages) · version after Galley Proof corrections in Fluctuation and Noise Letters

arxiv created 2014/04/25 · arxiv updated 2014/05/29

Abstract

We refute a physical model, recently proposed by Gunn, Allison and Abbott (GAA) [arXiv:1402.2709v2], to utilize electromagnetic waves for eavesdropping on the Kirchhoff-law-Johnson-noise (KLJN) secure key distribution. Their model, and its theoretical underpinnings, is found to be fundamentally flawed because their assumption of electromagnetic waves violates not only the wave equation but also the Second Law of Thermodynamics, the Principle of Detailed Balance, Boltzmann's Energy Equipartition Theorem, and Planck's formula by implying infinitely strong blackbody radiation. We deduce the correct mathematical model of the GAA scheme, which is based on impedances at the quasi-static limit. Mathematical analysis and simulation results confirm our approach and prove that GAA's experimental interpretation is incorrect too.

Citations

• A directional coupler attack against the Kish key distribution system

Cited by

• A Binary Classifier-Based Wire Resistance Attack on the KLJN Secure Key Exchanger
• Binary Classifier Wire-Resistance Attack on KLJN: Impact of Narrowing the Resistor Gap

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