Florent Bernard

37
Documents

Publications

Publications

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Enhancing Quality and Security of the PLL-TRNG

Viktor Fischer , Florent Bernard , Nathalie Bochard , Quentin Dallison , Maciej Skórski
IACR Transactions on Cryptographic Hardware and Embedded Systems, 2023, 2023 (4), pp.211-237. ⟨10.46586/tches.v2023.i4.211-237⟩
Article dans une revue ujm-04199004 v1
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Low Cost and Precise Jitter Measurement Method for TRNG Entropy Assessment

Florent Bernard , Arturo Garay , Patrick Haddad , Nathalie Bochard , Viktor Fischer
IACR Transactions on Cryptographic Hardware and Embedded Systems, 2023, 2024 (1), pp.207-228. ⟨10.46586/tches.v2024.i1.207-228⟩
Article dans une revue ujm-04220101 v2

Modern random number generator design – Case study on a secured PLL-based TRNG

Viktor Fischer , Florent Bernard , Nathalie Bochard
Information Technology, 2019, 61 (1), pp.3-13. ⟨10.1515/itit-2018-0025⟩
Article dans une revue ujm-01984448 v1
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Evaluation and monitoring of free running oscillators serving as source of randomness

Elie Noumon Allini , Maciej Skórski , Oto Petura , Florent Bernard , Marek Laban et al.
IACR Transactions on Cryptographic Hardware and Embedded Systems, 2018, 2018 (3), Volume 2018, Issue 3, pp.214-242. ⟨10.13154/tches.v2018.i3.214-242⟩
Article dans une revue ujm-01883106 v1
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From Physical to Stochastic Modeling of a TERO-Based TRNG

Florent Bernard , Patrick Haddad , Viktor Fischer , Jean Nicolai
Journal of Cryptology, In press, ⟨10.1007/s00145-018-9291-2⟩
Article dans une revue ujm-01757280 v1
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Implementation of Ring Oscillators Based Physical Unclonable Functions with Independent Bits in the Response

Florent Bernard , Viktor Fischer , Crina Costea , Robert Fouquet
International Journal of Reconfigurable Computing, 2012, 2012, Article ID 168961, 11 p. ⟨10.1155/2012/168961⟩
Article dans une revue ujm-00667692 v1
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Mathematical Model of Physical RNGs Based On Coherent Sampling

Florent Bernard , Viktor Fischer , Boyan Valtchanov
Tatra Mountains - Mathematical Publications, 2010, 45 (ISSN 1210-3195), pp.1-14. ⟨10.2478/v10127-010-0001-1⟩
Article dans une revue ujm-00531665 v1
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True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Random Number Generators

Nathalie Bochard , Florent Bernard , Viktor Fischer , Boyan Valtchanov
International Journal of Reconfigurable Computing, 2010, 2010, pp.ID 879281. ⟨10.1155/2010/879281⟩
Article dans une revue ujm-00572889 v1

Beyond Total Locking: Demonstrating and Measuring Mutual Influence on a RO-Based True Random Number Generator on an FPGA

Eloïse Delolme , Viktor Fischer , Florent Bernard , Nathalie Bochard , Maxime Pelcat
2024 IEEE 37th International System-on-Chip Conference (SOCC), Sep 2024, Dresden, Germany. pp.1-6, ⟨10.1109/socc62300.2024.10737851⟩
Communication dans un congrès hal-04817115 v1
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Beyond Total Locking : Demonstrating and Measuring Mutual Influence on a RO-Based True Random Number Generator on an FPGA

Eloïse Delolme , Viktor Fischer , Florent Bernard , Nathalie Bochard , Maxime Pelcat
37th IEEE International System-on-Chip Conference, Sep 2024, Dresden, Germany
Communication dans un congrès ujm-04649086 v1

Problématiques modernes de la génération d'aléa véritable: étude approfondie d'un TRNG basé sur les PLLs

Nathalie Bochard , Florent Bernard
Journées Nationales 2023 du GDR Sécurité Informatique, GDR Sécurité Informatique, Jun 2023, Puteaux (92), France
Communication dans un congrès ujm-04217962 v1
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An Evaluation Procedure for Comparing Clock Jitter Measurement Methods

Arturo Mollinedo Garay , Florent Bernard , Viktor Fischer , Patrick Haddad , Ugo Mureddu
International Conference on Smart Card Research and Advanced Applications, Nov 2022, Birmingham (UK), United Kingdom. pp.167-187, ⟨10.1007/978-3-031-25319-5_9⟩
Communication dans un congrès hal-04423295 v1

Locking phenomenon on ring oscillators used in True Random Number Generators

Eloïse Delolme , Florent Bernard , Viktor Fischer , David Lubicz , Maxime Pelcat
Cryptographic architectures embedded in logic devices, Jun 2023, Castro Urdiales, Spain
Communication dans un congrès ujm-04220144 v1
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Backtracking Search for Optimal Parameters of a PLL-based True Random Number Generator

Brice Colombier , Nathalie Bochard , Florent Bernard , Lilian Bossuet
2020 Design, Automation & Test in Europe Conference & Exhibition (DATE), Mar 2020, Grenoble, France. pp.1-6, ⟨10.23919/DATE48585.2020.9116307⟩
Communication dans un congrès hal-02937862 v1
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Optimization of the PLL configuration in a PLL-based TRNG design

Elie Noumon Allini , Oto Petura , Viktor Fischer , Florent Bernard
2018 Design, Automation & Test in Europe Conference & Exhibition (DATE), Mar 2018, Dresden, France. ⟨10.23919/DATE.2018.8342209⟩
Communication dans un congrès ujm-01784103 v2
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A Physical Approach for Stochastic Modeling of TERO-based TRNG

Patrick Haddad , Viktor Fischer , Florent Bernard , Jean Nicolai
Workshop on Cryptographic Hardware and Embedded Systems, CHES 2015, Sep 2015, st-malo, France
Communication dans un congrès ujm-01164105 v1
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On the assumption of mutual independence of jitter realizations in P-TRNG stochastic models

Patrick Haddad , Yannick Teglia , Florent Bernard , Viktor Fischer
Proceedings of Design, Automation and Test in Europe DATE 2014, Mar 2014, Dresden, Germany. pp.1-6, ⟨10.7873/DATE.2014.052⟩
Communication dans un congrès ujm-01015178 v1

Randomness Assessment in Oscillator Based Elementary TRNG

Viktor Fischer , David Lubicz , Florent Bernard , Nathalie Bochard
Cryptarchi 2014, Jun 2014, Annecy, France
Communication dans un congrès ujm-01010415 v1
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An open-source multi-FPGA modular system for fair benchmarking of true random number generators

Viktor Fischer , Patrick Haddad , Florent Bernard
23rd international conference on field programmable logic and applications (FPL2013), Sep 2013, Porto, Portugal. pp.PS3_8
Communication dans un congrès ujm-00860455 v1

Increasing Robustness of True Random Number Generators against Attacks

Patrick Haddad , Yannick Teglia , Viktor Fischer , Florent Bernard
Workshop on Trustworthy Manufacturing and Utilization of Secure Devices, TRUDEVICE 2013, Dec 2013, freiburg, Germany
Communication dans un congrès ujm-01015300 v1

On the way to secure random number generation

Patrick Haddad , Florent Bernard , Viktor Fischer
Constructive Side-channel Analysis and Secure Design conference, COSADE 2013, Mar 2013, paris, France. pp.1
Communication dans un congrès ujm-00833914 v1

Modélisation stochastique des générateurs de suites binaires aléatoires: du transistor au bit aléatoire

Patrick Haddad , Florent Bernard , Viktor Fischer
colloque du GDR SOC-SIP, Jun 2013, lyon, France
Communication dans un congrès ujm-00840440 v1

On the Way to Monitor Random Number Generation

Patrick Haddad , Florent Bernard , Viktor Fischer
Cryptographic architectures embedded in reconfigurable devices - Cryptarchi 2012, Jun 2012, Saint-Etienne, France
Communication dans un congrès ujm-00712562 v1

Secure Key Management on General-purpose Processors

Lubos Gaspar , Viktor Fischer , Florent Bernard
International Workshops on Cryptographic Architectures Embedded in Reconfigurable Devices - Cryptarchi 2011, Jun 2011, bochum, Germany
Communication dans un congrès ujm-00664301 v1

Cryptographic NIOS II extension with secure key management

Lubos Gaspar , Viktor Fischer , Florent Bernard , Lilian Bossuet
Journee de la Recherche 2011, JDR 2011, May 2011, saint etienne, France
Communication dans un congrès ujm-00664288 v1

Characterization of randomness sources in ring oscillator-based true random number generators in FPGAs

Boyan Valtchanov , Alain Aubert , Viktor Fischer , Florent Bernard
13-th IEEE Symposium on Design and Diagnostic of Electronic Circuits ans Systems (DDECS), Vienna, Austria (2010), Apr 2010, Vienna, Austria. pp.to be obtained
Communication dans un congrès ujm-00470240 v1

Secured Reconfigurable Cryptographic Processor

Lubos Gaspar , Viktor Fischer , Florent Bernard
PAca Security Trends In embedded Systems Workshop, PASTIS, Jun 2010, Gardanne, France. pp.NN
Communication dans un congrès ujm-00533246 v1
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HCrypt: a novel concept of crypto-processor with secured key management

Lubos Gaspar , Viktor Fischer , Florent Bernard , Lilian Bossuet , Pascal Cotret
ReConFig 2010 (2010 International Conference on ReConFigurable Computing and FPGAs), Dec 2010, Cancùn, Mexico. pp.280-285, ⟨10.1109/FPT.2011.6132722⟩
Communication dans un congrès hal-00750348 v1

About the randomness in Ring Oscillator-based True Random Number Generators in FPGAs

Viktor Fischer , Florent Bernard , Boyan Valtchanov , Nathalie Bochard
Cryptographic Architectures Embedded in Reconfigurable Devices - Cryptarchi2010, Jun 2010, Paris, France
Communication dans un congrès ujm-00665066 v1
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Analysis and Enhancement of Ring Oscillators Based Physical Unclonable Functions in FPGAs

Crina Costea , Florent Bernard , Viktor Fischer , Robert Fouquet
International Conference on ReConFigurable Computing and FPGAs Reconfig 2010, Dec 2010, cancun, Mexico. pp.262-268, ⟨10.1109/ReConFig.2010.63⟩
Communication dans un congrès ujm-00552143 v1
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HCrypt: A Novel Reconfigurable Crypto-processor with Secured Key Management

Lubos Gaspar , Viktor Fischer , Florent Bernard , Lilian Bossuet , Pascal Cotret
International Conference on ReConFigurable Computing and FPGAs Reconfig 2010, Dec 2010, cancun, Mexico. pp.280-286, ⟨10.1109/ReConFig.2010.38⟩
Communication dans un congrès ujm-00552139 v1

TRNG based on the coherent sampling

Boyan Valtchanov , Viktor Fischer , Alain Aubert , Florent Bernard
CryptArchi 2009, Jun 2009, Prague, Czech Republic
Communication dans un congrès ujm-00438383 v1

Observing the randomness in RO-based TRNG

Nathalie Bochard , Florent Bernard , Viktor Fischer
ReConfig'09: 2009 International Conference on Reconfigurable Computing and FPGAs, Dec 2009, Cancun, Mexico. pp.237-242, ⟨10.1109/ReConFig.2009.57⟩
Communication dans un congrès ujm-00460047 v1

Modeling and Observing the Jitter in Ring Oscillators Implemented in FPGAs

Boyan Valtchanov , Alain Aubert , Florent Bernard , Viktor Fischer
11-th IEEE Workshop on Design and Diagnostic of Electronic Circuits ans Systems (DDECS), Apr 2008, Bratislava, Slovakia. pp.158-163
Communication dans un congrès ujm-00307621 v1

Modeling and securing RO-based TRNG in FPGAs - Jitter accumulation from local and global sources

Boyan Valtchanov , Viktor Fischer , Alain Aubert , Florent Bernard , Nathalie Bochard
cryptarchi 2008, Jun 2008, Trégastel, France
Communication dans un congrès ujm-00368921 v1

Embedded testing of the source of randomness in FPGAs - Clock jitter evaluation and measurements

Viktor Fischer , Florent Bernard , Alain Aubert
cryptarchi 2008, Jun 2008, Trégastel, France
Communication dans un congrès ujm-00368675 v1

Enhancing Security of Ring Oscillator-based RNG implemented in FPGA

Viktor Fischer , Florent Bernard , Nathalie Bochard , Michal Varchola
Field Programmable Logic and Applications- FPLA 2008, Sep 2008, Heidelberg, Germany. pp. 245-250
Communication dans un congrès ujm-00350859 v1