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Open AccessArticle

Chaotic Quantum Key Distribution

1
Department of Physics and Astronomy, University of Wyoming, Laramie, WY 82071, USA
2
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
*
Author to whom correspondence should be addressed.
Cryptography 2020, 4(3), 24; https://doi.org/10.3390/cryptography4030024
Received: 24 July 2020 / Revised: 15 August 2020 / Accepted: 27 August 2020 / Published: 31 August 2020
(This article belongs to the Special Issue Cryptographic Protocols 2020)
The ability to send information securely is a vital aspect of today’s society, and with the developments in quantum computing, new ways to communicate have to be researched. We explored a novel application of quantum key distribution (QKD) and synchronized chaos which was utilized to mask a transmitted message. This communication scheme is not hampered by the ability to send single photons and consequently is not vulnerable to number splitting attacks like other QKD schemes that rely on single photon emission. This was shown by an eavesdropper gaining a maximum amount of information on the key during the first setup and listening to the key reconciliation to gain more information. We proved that there is a maximum amount of information an eavesdropper can gain during the communication, and this is insufficient to decode the message. View Full-Text
Keywords: quantum key distribution; synchronized chaos; number splitting attack quantum key distribution; synchronized chaos; number splitting attack
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Cowper, N.; Shaw, H.; Thayer, D. Chaotic Quantum Key Distribution. Cryptography 2020, 4, 24.

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