Noise Properties in the Ideal Kirchhoff-Law-Johnson-Noise Secure Communication System |
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| Authors: | Zoltan Gingl Robert Mingesz |
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| Affiliation: | Department of Technical Informatics, University of Szeged, Szeged, Hungary.; University of California, Irvine, United States of America, |
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| Abstract: | In this paper we determine the noise properties needed for unconditional security for the ideal Kirchhoff-Law-Johnson-Noise (KLJN) secure key distribution system using simple statistical analysis. It has already been shown using physical laws that resistors and Johnson-like noise sources provide unconditional security. However real implementations use artificial noise generators, therefore it is a question if other kind of noise sources and resistor values could be used as well. We answer this question and in the same time we provide a theoretical basis to analyze real systems as well. |
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