Real-time Processing System for a Quantum Random Number Generator

Solymos, Balázs and Bacsárdi, László (2020) Real-time Processing System for a Quantum Random Number Generator. INFOCOMMUNICATIONS JOURNAL, 12 (1). pp. 53-59. ISSN 2061-2079

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Abstract

Quantum random number generators (QRNG) provide quality random numbers, which are essential for cryptography by utilizing the unpredictable nature of quantum mechanics. Advancements in quantum optics made multiple different architectures for these possible. As part of a project aiming to realize a QRNG service, we developed a system capable of providing real-time monitoring and long term data collection while still fulfilling regular processing duties for these devices. In most cases, hardware validation is done by simply running a battery of statistical tests on the final output. Our goal, however, was to create a system allowing more flexible use of these tests, realizing a tool that can also prove useful during the construction of our entropy source for detecting and correcting unique imperfections. We tested this flexibility and the system’s ability to adequately perform the required tasks with simulated sources while further examining the usability of available verification tools within this new custom framework.

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