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Recent Publications:

Olivier Rioul, "Alpha-leakage via Fano's inequality for alpha-information," IEEE Information Theory and Applications Workshop (ITA 2020), San Diego, USA, Feb. 2-7, 2020. [Summary (PDF)]

Alexander Schaub, Olivier Rioul, Sylvain Guilley, Jean-Luc Danger, and Joseph J. Boutros, "Rényi entropy estimation for secure silicon fingerprints," IEEE Information Theory and Applications Workshop (ITA 2020), San Diego, USA, Feb. 2-7, 2020. [Poster (PDF)]

Patrick Solé, Olivier Rioul, and Minjia Shi, "Designs in finite metric spaces," International Conference on Algebraic Combinatorics and Applications (ALCOMA'20), Kloster Banz, Lichtenfels, Germany, Mar. 29 - Apr. 23, 2020. [Summary (PDF)]

Wanyu Liu, Julien Gori, Olivier Rioul, Michel Beaudouin-Lafon, and Yves Guiard, "How relevant is Hick’s law for HCI?" in Proc. ACM CHI Conference on Human Factors in Computing Systems (CHI 2020), Honolulu, USA, Apr. 25-30th, 2020. [Full text (PDF)]

Karim Zayana et Olivier Rioul, "Les probabilités ont la cote !", CultureMath de l'ENS, en ligne le 16 juin 2020. [Lien Web] [Texte complet (PDF)]

Alexander Schaub, Olivier Rioul, Jean-Luc Danger, Sylvain Guilley, and Joseph J. Boutros, "Challenge codes for physically unclonable functions with Gaussian delays: A maximum entropy problem," in Advances in Mathematics of Communication, Special Issue: Latin American Week on Coding and Information, Vol. 14, No. 3, pp. 491-505, Aug. 2020. [Full text (PDF)]

Alexander Schaub, Jean-Luc Danger, Olivier Rioul, and Sylvain Guilley, "The big picture of delay-PUF dependability," in Proc. 24th European Conference on Circuit Theory and Design (ECCTD'20), Sofia, Bulgaria, Sept. 7-10, 2020. [Full text (PDF)]

Sébastien Carré, Sylvain Guilley, and Olivier Rioul, "Persistent fault analysis with few encryptions," in Proc. 11th International Workshop on Constructive Side-Channel Analysis and Secure Design (COSADE 2020), Lugano, Switzerland, Oct. 5-7, 2020. Lecture Notes in Computer Science, Vol. 12244, pp. 3-24, Springer, 2021. [Full text (PDF)]

Olivier Rioul, "Rényi entropy power and normal transport," in Proc. International Symposium on Information Theory and Its Applications (ISITA 2020), Kapolei, Hawai'i , Oct. 24-27, 2020, pp. 1-5. [Full text (PDF)]

Julien Gori and Olivier Rioul, "A feedback information-theoretic transmission scheme (FITTS) for modeling trajectory variability in aimed movements," Biological Cybernetics (Advances in Computational Neuroscience and in Control and Information Theory for Biological Systems), Vol. 114, pp. 621-641, Dec. 2020. [Full text (PDF)]

Éloi de Chérisey, Sylvain Guilley, Olivier Rioul, and Darshana Jayasinghe, "Information theoretic distinguishers for timing attacks with partial profiles: Solving the empty bin issue," Journal of Information Security, special issue on Cryptography and Encryption, Vol. 12, No. 1, Jan. 2021. [Full text (PDF)]

Olivier Rioul, "A primer on Shannon's information theory,'' 1st Meeting on Algebraic Structures and Their Applications (MASA'21), Jeddah, Saudi Arabia, March 14-16, 2021. [Abstract (JPG)]

Olivier Rioul, "La vie et l'œuvre de Kolmogorov", CultureMath de l'ENS, en ligne le 3 mai 2021. [Texte complet (PDF)] [Lien Web]  [English version (PDF)] [Web Link]

Olivier Rioul, "Qu'est-ce que la théorie de l'information ?", CultureMath de l'ENS, en ligne le 23 juin 2021. [Text complet (PDF)] [Lien Web]

Minjia Shi, Olivier Rioul, and Patrick Solé, "Designs in finite metric spaces: A probabilistic approach," Graphs and Combinatorics, Special Issue Dedicated to Profs. Eiichi Bannai and Hikoe Enomoto on Their 75th Birthdays , Vol. 37, No. 5, pp. 1653-1668, July 2021. [Full text (PDF)]

Patrick Solé, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Bent sequences over Hadamard codes for physically unclonable functions," in Proc. 2021 IEEE International Symposium on Information Theory (ISIT 2021), 12-20 July 2021, Melbourne, Victoria, Australia. [Full text (PDF)]

Olivier Rioul, Wei Cheng, and Sylvain Guilley, "Cumulant expansion of mutual information for quantifying leakage of a protected secret," in Proc. 2021 IEEE International Symposium on Information Theory (ISIT 2021), 12-20 July 2021, Melbourne, Victoria, Australia. [Full text (PDF)]

Olivier Rioul, "A primer on alpha-information theory with application to leakage in secrecy systems," in Proc. 5th conference on Geometric Science of Information (GSI'21), Paris, France, 21-23 July 2021. Lecture Notes in Computer Science, Vol. 12829, pp. 459-467, Springer, 2021. [Full text (PDF)]

Wei Cheng, Yi Liu, Sylvain Guilley and Olivier Rioul, "Towards finding best linear codes for side-channel protections," in Proc. 10th International Workshop on Security Proofs for Embedded Systems (PROOFS 2021), Beijing, China, Sept. 17, 2021, EPiC Series in Computing, vol. 87, 2022, pp. 83-99. [Full text (PDF)]

Yi Liu, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "On conditional alpha-information and its application in side-channel analysis," in Proc. 2021 IEEE Information Theory Workshop (ITW 2021), Kanazawa, Japan, Oct. 17-21, 2021. [Full text (PDF)]

Patrick Solé, Yi Liu, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Linear programming bounds on the kissing number of q-ary codes," in Proc. 2021 IEEE Information Theory Workshop (ITW2021), Kanazawa, Japan, Oct. 17-21, 2021. [Full text (PDF)]

Andrei Tănăsescu, Marios O. Choudary, Olivier Rioul, and Pantelimon George Popescu, "Tight and scalable side-channel attack evaluations through asymptotically optimal Massey-like inequalities on guessing entropy," Entropy, vol. 23, no. 11, 1538, pp. 1-10, Nov. 2021. [Link] [Full text (PDF)]

Olivier Rioul, "The life and work of Kolmogorov", CultureMath ENS, published online Jan. 28, 2022. [Full text (PDF)] [Web Link] [Version française (PDF)] [Lien Web]

Olivier Rioul, "Fuites d'information et attaques par canaux cachés", Séminaire au Collège de France, 2 mars 2022. [Lien Vidéo sur le site du Collège de France] [Vidéo (MP4 basse résolution)] [Slides]

Olivier Rioul, "On Gaussian bounds for discrete entropies," IEEE Information Theory and Applications Workshop (ITA 2022), San Diego, USA, May 22-27, 2022. [Full text (PDF)]

Olivier Rioul, "Variations on a theme by Massey," IEEE Transactions on Information Theory, Vol. 68, No. 5, pp. 2813-2828, May 2022. [Full text (PDF)]

Olivier Rioul, "Claude Shannon", Interview, CultureMath Des mathématiques vivantes [Lien Vidéo][Vidéo]

Yi Liu, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Evaluation of side-channel attacks using alpha-information," 18th International Workshop on Cryptographic Architectures Embedded in Logic Devices (CryptArchi 2022), Porquerolles, France, May 29-June 1st, 2022. [Summary (PDF)][Slides (PDF)]

Julien Béguinot, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Unprofiled expectation-maximization attack," 18th International Workshop on Cryptographic Architectures Embedded in Logic Devices (CryptArchi 2022), Porquerolles, France, May 29-June 1st, 2022. [Summary (PDF)][Slides (PDF)]

Wei Cheng, Olivier Rioul, Yi Liu, Julien Béguinot, and Sylvain Guilley, "Side-channel information leakage of code-based masked implementations," 17th Canadian Workshop on Information Theory (CWIT 2022), Ottawa, Ontario, Canada, June 5-8, 2022  [Full text (PDF)]

Wei Cheng, Yi Liu, Sylvain Guilley, and Olivier Rioul, "Attacking masked cryptographic implementations: Information-theoretic bounds," in Proc. 2022 IEEE International Symposium on Information Theory (ISIT 2022), Espoo, Finland, June 26-July 1, 2022. [Full text (PDF)]

Olivier Rioul, "What is randomness? The interplay between alpha-entropies, total variation and guessing," invited paper, in Proc. 41st International Conference on Bayesian and Maximum Entropy methods in Science and Engineering (MaxEnt 2022), Paris, France, July 18-22, 2022. Physical Sciences Forum 2022, Vol. 5, No. 30, 9 pp., Dec. 2022. [Full text (PDF)]

Olivier Rioul and Hang Nguyen, "Non-asymptotic bounds of point-to-point communication with or without perfect feedback using alpha-information theory," in Proc. IEEE 9th International Conference on Communications and Electronics (ICCE 2022), Nha Trang City, Vietnam, July 27-29, 2022.[Full text (PDF)]

Wanyu Liu, Olivier Rioul, and Michel Beaudouin-Lafon, "Bayesian information gain to design interaction," Chapter 3, in Bayesian Methods for Interaction and Design, Cambridge University Press, pp. 117-133, Aug. 2022. [Full text (PDF)]

Julien Béguinot, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Be my guess: Guessing entropy vs. success rate for evaluating side-channel attacks of secure chips," in Proc. 25th Euromicro Conference on Digital System Design (DSD 2022), Maspalomas, Gran Canaria, Spain, Aug. 31–Sep. 2nd, 2022. [Full text (PDF)]

Olivier Rioul, Julien Béguinot, Victor Rabiet et Antoine Souloumiac, "La véritable (et méconnue) théorie de l'information de Shannon", in Proc. 28e Colloque GRETSI 2022, Nancy, France, 6-9 Sept. 2022. [Texte complet (PDF)]

Olivier Rioul, Estimation paramétrique, Spartacus - Idh : Paris, 154 pp., Sept. 2022. [Lien éditeur]

Julien Béguinot, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Side-channel expectation-maximization attacks," Transactions on Cryptographic Hardware and Embedded Systems (CHES 2022), Vol. 2022, No. 2, Leuven, Belgium, Sept. 18-21, 2022. [Full text (PDF)]

Wei Cheng, Jean-Luc Danger, Sylvain Guilley, Fan Huang, Amina Bel Korchi, and Olivier Rioul, "Cache-timing attack on the SEAL homomorphic encryption library," in Proc. 11th International Workshop on Security Proofs for Embedded Systems (PROOFS 2022), Leuven, Belgium, Sept. 22, 2022. [Full text (PDF)]

Olivier Rioul, "Alpha-capacity of communication channels with feedback: Theoretical overview," invited talk, Huawei’s Strategy and Technology Workshop (STW 2022), Shenzhen, China, Sept. 26-28, 2022. [Slides (PDF)]

Olivier Rioul, "« « La connaissance réduit l’incertitude » : un théorème ? | CultureMath La connaissance réduit l'incertitude » : un théorème ?", (Incertitude et connaissance : la polysémie mathématique et linguistique), 5e Nuit de l’ENS, 9 sept. 2022. CultureMath de l'ENS, en ligne le 7 novembre 2022. [Lien Web ENS] [Lien Web] [Texte complet (PDF)]. Conférence en deux parties, suivi de "La polysémie en mathématique" par Divna Petković, CultureMath de l'ENS, en ligne le 19 avril 2024 [Lien Web]

Loïc Masure, Olivier Rioul, and François-Xavier Standaert, "A nearly tight proof of Duc et al.'s conjectured security bound for masked implementations," in Proc. 21st Smart Card Research and Advanced Application Conference (CARDIS 2022), Birmingham, UK, Nov. 7-9, 2022. Lecture Notes on Computer Science, Vol. 13820, pp. 69–81, Springer Nature, 2023. [Full text (PDF)]

Wei Cheng, Yi Liu, Sylvain Guilley, and Olivier Rioul, "Towards finding best linear codes for side-channel protections (extended version)," Journal of Cryptographic Engineering, online 15 Nov. 2022. [Full text (PDF)]

Olivier Rioul, "The role of Mrs. Gerber's lemma for evaluating the information leakage of masked computations," IEEE Information Theory and Applications Workshop (ITA 2023), San Diego, USA, Feb. 12–17, 2023. [Summary (PDF)]

Julien Béguinot, Wei Cheng, Sylvain Guilley, Yi Liu, Loïc Masure, Olivier Rioul, and François-Xavier Standaert, "Removing the field size loss from Duc et al.'s conjectured security bound for masked encodings," in Proc. 14th International Workshop on Constructive Side-Channel Analysis and Secure Design (COSADE 2023), Munich, Germany, Apr. 3-4, 2023. Lecture Notes on Computer Science, Vol. 13979, pp. 86–104, Springer Nature, 2023. [Full text (PDF)]

Sylvain Guilley and Olivier Rioul, "All you ever wanted to know about side-channel attacks and protections," Masterclass M31, 15e Forum International de la Cybersécurité (FIC 2023), Lille, France, 5-7 avril 2023. [Full text (PDF)] [Video link]

Julien Béguinot, Olivier Rioul, Sylvain Guilley, Wei Cheng, and Yi Liu, "Side-Channel Security. How Much Are You Secure? Mrs. Gerber’s Lemma and Majorization," Poster, Colloque de l'Institut Mines-Télécom, Risques & Cyber : Sécurité et Résilience, Palaiseau, France, Apr. 13, 2023. [Poster (PDF)]

Yi Liu, Julien Béguinot, Wei Cheng, Sylvain Guilley, Loïc Masure, Olivier Rioul, and François-Xavier Standaert, "Improved alpha-information bounds for higher-order masked cryptographic implementations," IEEE Information Theory Workshop (ITW 2023), Saint Malo, France, Apr. 23-28, 2023. [Full text (PDF)]

Olivier Rioul et Victor Rabiet, "Cardinal, mais qu’est-ce donc cette diablerie ?", CultureMath de l'ENS, en ligne le 15 mai 2023. [Texte complet (PDF)] [Lien Web]

Olivier Rioul, Julien Béguinot, Yi Liu, Wei Cheng, and Sylvain Guilley, "A generic information-theoretic framework for evaluating the side-channel security of masked implementations," 19th International Workshop on Cryptographic Architectures Embedded in Logic Devices (CryptArchi 2023), Cantabria, Spain, June 11-14, 2023. [Summary (PDF)] [Slides (PDF)]

 Julien Béguinot, Yi Liu, Olivier Rioul, Wei Cheng, and Sylvain Guilley, "Maximal leakage of masked implementations using Mrs. Gerber's lemma for min-entropy," in Proc. IEEE International Symposium on Information Theory (ISIT 2023), Taipei, Taiwan, June 25-30, 2023. [Full text (PDF)]

Olivier Rioul, "The interplay between error, total variation, alpha-entropy and guessing: Fano and Pinsker direct and reverse inequalities," Entropy, Vol. 25, No. 7, 978, pp. 1-31, June 2023. [Link] [Full text (PDF)]
Wei Cheng, Sylvain Guilley, and Olivier Rioul, "All you ever wanted to know about side-channel attacks and protections (and a forthcoming book)," 4th Free Silicon Conference (FSiC 2023), Paris, France, July 10-12, 2023. [Link]

Olivier Rioul, "Information theory as a unifying tool for understanding and designing human-computer interaction," invited keynote I, 7th International Conference on Computer, Software and Modeling (ICCSM 2023), Paris, France, July 21-23, 2023. [Summary (PDF)]

Julien Béguinot, Jean-Luc Danger, Olivier Rioul, Sylvain Guilley, Wei Cheng, and Ville Yli-Mäyry, "Reliability of ring oscillator PUFs with reduced helper data," in Proc. 18th International Workshop on Security (IWSEC 2023), Yokohama, Japan, Aug. 29-31, 2023. Lecture Notes in Computer Science, Vol. 14128, pp. 36-56, Springer, 2023. [Full text (PDF)]

Olivier Rioul, "A historical perspective on Schützenberger-Pinsker inequalities," in Proc. 6th International Conference on Geometric Science of Information (GSI'23), Saint Malo, France, Aug. 30-Sept. 1, 2023.  Proceedings, Part I, Lecture Notes in Computer Science, Vol. 14071, pp. 291-306, Springer, 2023. [Full text (PDF)]

Xiaolin Wang, Joseph J. Boutros, and Olivier Rioul, "The challenging neural decoding with general-purpose networks and its improvement via probabilistic embeddings," 8th Junior Conference on Data Science and Engineering (JDSE'23), Orsay, France, Sept. 27-28, 2023. [Summary(PDF)] [Poster (PDF)]
Olivier Rioul, "Calcul sans peine",  Au Fil des Maths, Bulletin de l'APMEP, No. 549, pp. 88-89, Sept. 2023. [Texte complet (PDF)]

Karim Zayana et Olivier Rioul, "Le soleil se lèvera-t-il demain ?", Tangente Hors série n°88, pp. 46-47, Déc. 2023. [Texte complet (PDF)]  Bibliothèque Tangente n°88, pp. 128-130, Déc. 2024. [Texte complet (PDF)]

Olivier Rioul, "Trois lois des erreurs", Tangente Hors série n°88, pp. 48-50, Déc. 2023. [Texte complet (PDF)] Bibliothèque Tangente n°88, pp. 132-135, Déc. 2024. [Texte complet (PDF)]

 Olivier Rioul, "Le théorème d’échantillonnage... de Shannon ?", CultureMath de l'ENS, en ligne le 12 janvier 2024.  [Texte complet (PDF)] [Lien Web]

Idris Delsol, Olivier Rioul, Julien Béguinot, Victor Rabiet, and Antoine Souloumiac, "An information theoretic condition for perfect reconstruction," Entropy, vol. 26, no. 1, 86, Special Issue: "Shannon Entropy: Mathematical View," Jan. 2024. [Link] [Full text (PDF)]
Yanxi Li, Derek S. Young, Julien Gori, and Olivier Rioul, "A novel mixture model for characterizing human aiming performance data," Statistical Modelling, Vol. 24,  published online Apr. 25, 2024. [Full text (PDF)] [Supplementary Material (PDF)]

Olivier Rioul, "A historical perspective on Schützenberger-Pinsker inequalities (extended version)," Information Geometry, vol. 7, pp. S737–S779, Special issue of selected papers in Geometric Science of Information, published online May 30th, 2024. [Full text (PDF)]

Julien Béguinot, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Be my guesses: The interplay between side-channel leakage metrics," Microprocessors and Microsystems: Embedded Hardware Design (MICPRO), vol. 107, article 105045, June 2024. [Full text (PDF)]

Julien Béguinot, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Tight side-channel security bounds on hardware cryptographic engines," 5th Free Silicon Conference (FSiC 2024), Paris, France, June 19-21, 2024. [Link]

Xiaolin Wang, Joseph J. Boutros, and Olivier Rioul,  "Neural decoding with log-ratio images," Poster at the 2024 IEEE European School of Information Theory (ESIT'24), Eindhoven, the Netherlands, July 1-5, 2024. [Poster (PDF)]
Olivier Rioul, "Information Lattices," invited keynote I, 8th International Conference on Computer, Software and Modeling, 8th International Conference on Education and Distance Learning (ICCSM 2024 & ICEDL 2024), Paris, France, July 4-6, 2024. [Summary (PDF)]

 Julien Béguinot and Olivier Rioul, "What can information guess ? Guessing advantage vs. Rényi entropy for small leakages," in Proc. IEEE International Symposium on Information Theory (ISIT 2024), Athens, Greece, July 7-12, 2024. [Full text (PDF)]

Julien Béguinot, Wei Cheng, Sylvain Guilley, and Olivier Rioul, "Formal security proofs via Doeblin coefficients: Optimal side-channel factorization from noisy leakage to random probing," in Proc. 44th Annual International Cryptology Conference (CRYPTO 2024), Santa Barbara, USA, Aug. 18-22, 2024.  Lecture Notes in Computer Science, Advances in Cryptology - CRYPTO 2024, Part VI, Vol. 14925, pp. 389-426, Springer, 2024. [Full text (PDF)] Long version with proofs and appendix, ia.cr/2024/199 [Full text (PDF)]

Olivier Rioul and Antoine Souloumiac, "Towards a perfect reconstruction theory," in Proc. 32nd European Signal Processing Conference (EUSIPCO 2024), Lyon, France, Aug. 26-30, 2024. [Full text (PDF)]
Wei Cheng, Sylvain Guilley, and Olivier Rioul, Mathematical Foundations of Side-Channel Analysis of Cryptographic Systems, Springer, 416 pp., 2025. [Editor Link]

Sylvain Guilley and Olivier Rioul, "Sécurité des canaux cachés : de la théorie à la pratique (Side-channel security : From theory to practice)", Masterclass PR33, 17th Forum InCyber Europe (FIC 2025), Lille, France, 1-3 avril 2025. [Summary (Link)] [Video link]

Julien Béguinot and Olivier Rioul, "From information leakage to rank statistics in side-channel attacks," 20th International Workshop on Cryptographic Architectures Embedded in Logic Devices (CryptArchi 2025), Autrans, Grenoble, June 15-18, 2025. [Summary (PDF)][Slides (PDF)]

Olivier Rioul and Patrick Solé, "An information theoretic proof of the Chernoff-Hoeffding inequality," Information Processing Letters, vol. 190, Aug. 2025, 106582. [Full text (PDF)]

Xiaolin Wang, Olivier Rioul, Anissa Mokraoui, Pierre Duhamel, and Jacob Benesty, "Generalizability and sample complexity of quadratic shallow neural networks under low-rank learning," in Proc. XXXe Colloque Francophone de Traitement du Signal et des Images (GRETSI 2025), Strasbourg, France, 25-29 Août 2025. [Poster (PDF)]

Olivier Rioul, "Vers une axiomatique minimale de l'information quantique : Schrödinger ex-nihilo", in Proc. XXXe Colloque Francophone de Traitement du Signal et des Images (GRETSI 2025), Strasbourg, France, 25-29 Août 2025. [Texte complet (PDF)]

Olivier Rioul, "La borne bayesienne de Schützenberger-van Trees : Un principe d'incertitude sur l'a posteriori", in Proc. XXXe Colloque Francophone de Traitement du Signal et des Images (GRETSI 2025), Strasbourg, France, 25-29 Août 2025. [Texte complet (PDF)]

Hugo Miquel, Julien Gori, and Olivier Rioul, "Bayesian experimental design with mutual information and learned errors for human-computer interaction," European Mathematical Psychology Group Meeting (EMPG 2025), Padua, Italy, Sept. 3-5, 2025. [Summary (PDF)] [Slides (PDF)]

Olivier Rioul, "A Historical Perspective on the Schützenberger-van Trees Inequality: A Posterior Uncertainty Principle," in Proc. 7th conference on Geometric Science of Information (GSI'21), Saint-Malo, France, 29-31 Oct. 2025. Lecture Notes in Computer Science, Vol. , pp. , Springer, 2025. [Full text (PDF)]

Olivier Rioul and Julien Béguinot, "The role of Mrs. Gerber’s Lemma for evaluating the information leakage of secret sharing schemes," chapter in Information Theory, Probability and Statistical Learning: A Festschrift in Honor of Andrew Barron, Ioannis Kontoyiannis, Jason Klusowski, Cynthia Rush eds., Springer, to appear, 2025. [Full text (PDF)]

Yi Liu, Wei Cheng, Olivier Rioul, Sylvain Guilley, and Patrick Solé, "Kissing number of codes: A survey," Chapter, VIASM, Springer Lecture Notes in Mathematics, to appear? 2025. [Full text (PDF)]




last modified 2025-06-18