A Bad Day to Die Hard: Correcting the Dieharder Battery

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Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Fakultu informatiky. Oficiální stránka publikace je na webu muni.cz.
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SÝS Marek OBRÁTIL Ľubomír MATYÁŠ Václav KLINEC Dušan

Rok publikování 2022
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Cryptology
Fakulta / Pracoviště MU

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Citace
www https://link.springer.com/content/pdf/10.1007/s00145-021-09414-y.pdf
Doi http://dx.doi.org/10.1007/s00145-021-09414-y
Klíčová slova Dieharder batéria test náhodnosti p-hodnota Kolmogorov–Smirnov test
Popis We analyze Dieharder statistical randomness tests according to accuracy and correct interpretation of their results. We used all tests, processed 8 TB of quantum-generated data, and obtained null distributions of first-level and second-level p-values. We inspected whether the p-values are uniformly distributed. The analysis showed that more than half (out of 110) of Dierharder atomic tests (test with particular setting) produce null distributions of p-values that are biased from the expected uniform one. Additional analysis of the Kolmogorov-Smirnov (KS) test showed that the key KS test is also biased. This increases the probability of false positives (in the right tail) for all Dieharder tests as KS is used to post-process their results. Moreover, 12 tests (22 atomic) produce results significantly biased from the null distribution of the KS test which may suggest problems with the implementation of these tests.
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