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Why wave-based classical communicators can never be totally secure?

Laszlo B. Kish

physics.gen-pharXiv:physics/0610102

Abstract

Recently, we proposed a classical communicator which was inspired by the Kirchhoff-loop-Johnson-like-Noise (KLJN) communicator and was claimed totally secure. Here we withdraw this claim and prove that, similarly to earlier intuitive suspicions, a wave-based classical communicator can never be totally secure.

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