A classical key distribution system based on Johnson (like) noise - How secure?
Classical Physics
2009-11-11 v4 Quantum Physics
Abstract
We present a comprehensive analysis of the Johnson (like) noise based classical key-distribution scheme presented by Kish [1]. We suggest two passive attack strategies that enable an adversary to gain complete knowledge of the exchanged key. The first approach exploits the transient response of the voltage difference on the transmission line after the resistors are switched and the second one exploits the finite impedance of the wire connecting the two parties.
Cite
@article{arxiv.physics/0601022,
title = {A classical key distribution system based on Johnson (like) noise - How secure?},
author = {Jacob Scheuer and Amnon Yariv},
journal= {arXiv preprint arXiv:physics/0601022},
year = {2009}
}
Comments
Submitted to phys. lett. A minor typos corrected