| Issue |
EPJ Web Conf.
Volume 220, 2019
XIII International Workshop on Quantum Optics (IWQO-2019)
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 2 | |
| Section | Oral talks | |
| DOI | https://doi.org/10.1051/epjconf/201922002003 | |
| Published online | 25 October 2019 | |
https://doi.org/10.1051/epjconf/201922002003
Position-based cryptography by means of quantum and classical schemes, using multiple-valued logic computing
Lebedev Physical Institute of the Russian Academy of Sciences, 119333 Moscow, Russia
Published online: 25 October 2019
Quantum and classical schemes of position-based cryprography are to transfer confidential message to an abonent with localised space position. Known verification proceedures are based on time-delay measurements of response signals and can`t provide unconditional security, as the eavesdropper can always cheat verifiers with the help of false signals. In order to raise the relative level of security, it is proposed to combine the quantum verification scheme by D.Unruh with multiple-valued logic methods.
© The Authors, published by EDP Sciences, 2019
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