Electromagnetic Noise as Entropy Source for Cryptographic System

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28140%2F22%3A63550578" target="_blank" >RIV/70883521:28140/22:63550578 - isvavai.cz</a>
Result on the web
<a href="https://ieeexplore.ieee.org/document/9901142" target="_blank" >https://ieeexplore.ieee.org/document/9901142</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/EMCEurope51680.2022.9901142" target="_blank" >10.1109/EMCEurope51680.2022.9901142</a>

Result language
angličtina
Original language name
Electromagnetic Noise as Entropy Source for Cryptographic System
Original language description
This paper presents a system for gathering electromagnetic noise to extract surrounding entropy at 430 MHz. The uniqueness of electromagnetic noise depends on geographical location, time, used technology, and a plethora of other variables. The proposed system consisting of telescopic whip antenna and software defined radio HackRF One takes advantage of the said fact to extract entropy and transform it into a random number which could be then used in cryptography. Said system is supposed to be low-cost and made from generally available equipment to ensure usability for the general population. Three experiments were devised to transform received noise into random numbers. The first experiment extracts entropy from the time domain by averaging the magnitude of the signal and comparing it to magnitude. The second experiment uses Fast Fourier Transformation to obtain the frequency composition of the received signal and extracts entropy out of magnitude of different frequencies. The last experiment combines the two through logical operation XOR to gain the random number. Obtained random numbers are then tested for randomness by checking entropy, monobit test from NIST standard, and proportion of logic ones and zeroes in the sequence.
Czech name
—
Czech description
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Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
2022 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC EUROPE 2022)
ISBN
978-1-66540-788-5
ISSN
2158-110X
e-ISSN
—
Number of pages
5
Pages from-to
25-29
Publisher name
IEEE
Place of publication
New York
Event location
Gothenburg
Event date
Sep 5, 2022
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000885912100005

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