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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">dt</journal-id><journal-title-group><journal-title xml:lang="ru">Цифровая трансформация</journal-title><trans-title-group xml:lang="en"><trans-title>Digital Transformation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2522-9613</issn><issn pub-type="epub">2524-2822</issn><publisher><publisher-name>Educational Establishment “Belarusian State University of Informatics and Radioelectronics”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/2522-9613-2022-28-1-27-38</article-id><article-id custom-type="elpub" pub-id-type="custom">dt-658</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ИНФОРМАТИКА, КОМПЬЮТЕРНАЯ ТЕХНИКА, ОБРАЗОВАНИЕ, ЭКОНОМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFORMATICS, COMPUTER EQUIPMENT, EDUCATION, ECONOMICS</subject></subj-group></article-categories><title-group><article-title>Исследование временных параметров физически неклонируемой функции типа арбитр с использованием кольцевого осциллятора</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the Timing Parameters of The Arbiter-Based Physically Unclonable Function Using a Ring Oscillator</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шамына</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Shamyna</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шамына Артем Юрьевич, м.т.н., старший преподаватель</p><p>220013, г. Минск, ул. П. Бровки, 6, тел. + 375-17-293-84-63</p></bio><bio xml:lang="en"><p>Shamyna Artsiom Yurievich, M.Sci., (Engineering), Senior Lecturer</p><p>220013, Minsk, P. Brovki, 6, tel. +375-17-293-84-63</p></bio><email xlink:type="simple">shamyna@bsuir.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванюк</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivaniuk</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванюк А.А., доктор технических наук, доцент, профессор кафедры информатики, заведующий совместной учебной лабораторией «СК хайникс мемори солюшнс Восточная Европа»</p><p>220013, г. Минск, ул. П. Бровки, 6</p></bio><bio xml:lang="en"><p>Ivaniuk A.A., Dr. of Sci. (Engineering), Associate Professor, Professor at the Comp. Sci. Department, Head of the Joint Educational Laboratory “SK hynix memory solutions Eastern Europe"</p><p>220013, Minsk, P. Brovki, 6</p></bio><email xlink:type="simple">ivaniuk@bsuir.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>06</month><year>2022</year></pub-date><volume>28</volume><issue>1</issue><fpage>27</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шамына А.Ю., Иванюк А.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Шамына А.Ю., Иванюк А.А.</copyright-holder><copyright-holder xml:lang="en">Shamyna A.Y., Ivaniuk A.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://dt.bsuir.by/jour/article/view/658">https://dt.bsuir.by/jour/article/view/658</self-uri><abstract><p>Рассматривается возможность использования схемы кольцевого осциллятора для измерения задержек распространения сигналов через симметричные пути различных длин, реализованных на FPGA. Описывается создание экспериментальной установки и ход проведения экспериментов. Исследуется зависимость абсолютных значений задержек распространения сигналов и их статистических характеристик от количества блоков симметричных путей. Рассчитываются метрики стабильности и межкристальной уникальности на основе полученных экспериментальных данных измерений задержек. Подтверждается улучшение характеристик стабильности и уникальности значений задержек с увеличением длины симметричных путей АФНФ.</p></abstract><trans-abstract xml:lang="en"><p>The possibility of using a ring oscillator circuit for measuring the propagation delays of signals through symmetrical APUF paths of various lengths implemented on an FPGA is considered. The creation of the experimental setup and the course of the experiments are described. The dependence of the absolute values of the signal propagation delays and their statistical characteristics on the number of blocks of the symmetric paths under study is investigated. The metrics of stability and intercrystalline uniqueness are calculated based on the obtained experimental data of delay measurements. The improvement of APUF stability and uniqueness depending on the length of the symmetric paths is confirmed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>физическая криптография</kwd><kwd>физически неклонируемые функции</kwd><kwd>кольцевой осциллятор</kwd><kwd>физически неклонируемая функция типа арбитр</kwd></kwd-group><kwd-group xml:lang="en"><kwd>physical cryptography</kwd><kwd>physically unclonable functions</kwd><kwd>ring oscillator</kwd><kwd>arbiter-based physically unclonable function</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Agarwal A., Blaauw D., Zolotov V. Statistical Timing Analysis for Intra-Die Process Variations with Spatial Correlations. ICCAD-2003. International Conference on Computer Aided Design. 2003:900-907. DOI: 10.1109/ICCAD.2003.159781.</mixed-citation><mixed-citation xml:lang="en">Agarwal A., Blaauw D., Zolotov V. 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