Reda Bellafqira

Publications

Article dans une revue (9)

A Dynamic Sliding Window Encoding for Secured DNA Data Storage Compliant With Biological and Indexing Constraints Chloé Berton,Gouenou Coatrieux,Héléne Gasnier,Sahar Haddad,Reda Bellafqiraet al. IEEE Access, 2025, 13, pp.66009-66030. ⟨10.1109/ACCESS.2025.3560387⟩ Article dans une revue hal-05067257v1
RoSe-Mix: Robust and Secure Deep Neural Network Watermarking in Black-Box Settings via Image Mixup Tamara El Hajjar,Mohammed Lansari,Reda Bellafqira,Gouenou Coatrieux,Katarzyna Kapustaet al. Machine Learning and Knowledge Extraction, 2025, 7, ⟨10.3390/make7020032⟩ Article dans une revue hal-05110896v1
DICTION: DynamIC robusT whIte bOx Watermarking Scheme for Deep Neural Networks Reda Bellafqira,Gouenou Coatrieux Applied Sciences, 2025, 15 (13), pp.7511. ⟨10.3390/app15137511⟩ Article dans une revue hal-05247953v1
Automatic de-identification of French electronic health records: a cost-effective approach exploiting distant supervision and deep learning models Mohamed El Azzouzi,Gouenou Coatrieux,Reda Bellafqira,Denis Delamarre,Christine Riouet al. BMC Medical Informatics and Decision Making, 2024, Bmc Medical Informatics and Decision Making, 24 (1), pp.54. ⟨10.1186/s12911-024-02422-5⟩ Article dans une revue hal-04477654v1
Secure Extraction of Personal Information from EHR by Federated Machine Learning Mohamed El Azzouzi,Reda Bellafqira,Gouenou Coatrieux,Marc Cuggia,Guillaume Bouzillé Studies in Health Technology and Informatics, 2024, 316, pp.611-615. ⟨10.3233/shti240488⟩ Article dans une revue hal-04694435v1
When Federated Learning Meets Watermarking: A Comprehensive Overview of Techniques for Intellectual Property Protection Mohammed Lansari,Reda Bellafqira,Katarzyna Kapusta,Vincent Thouvenot,Olivier Bettanet al. Machine Learning and Knowledge Extraction, 2023, 5, pp.1382-1406. ⟨10.3390/make5040070⟩ Article dans une revue (article de synthèse) hal-04592168v1
Cryptosystem Conversion, Packing and Matrix Processing of Homomorphically Encrypted Data: Application to IOT Devices Maxime Pistono,Reda Bellafqira,Gouenou Coatrieux IEEE Access, 2021, 9, pp.28302 - 28316. ⟨10.1109/access.2021.3058849⟩ Article dans une revue hal-05067804v1
Privacy-Preserving Genome-Wide Association Study for Rare Mutations - A Secure FrameWork for Externalized Statistical Analysis Reda Bellafqira,Thomas Ludwig,David Niyitegeka,Emmanuelle Genin,Gouenou Coatrieux IEEE Access, 2020, 8 (2), pp.112515-112529. ⟨10.1109/ACCESS.2020.3002966⟩ Article dans une revue hal-03700433v1
Secure Collapsing Method Based on Fully Homomorphic Encryption David Niyitegeka,Reda Bellafqira,Emmanuelle Génin,Gouenou Coatrieux Studies in Health Technology and Informatics, 2020, 270, pp.412-416. ⟨10.3233/SHTI200193⟩ Article dans une revue hal-03700381v1

Communication dans un congrès (12)

An Improved Paillier-Based Reversible Watermarking Scheme for 3D Models with Reduced Complexity Pierre Mahieux,Mouhamadou Bamba Sakho,Gouenou Coatrieux,Reda Bellafqira 18th International Symposium on Foundations & Practice of Security (FPS - 2025), Nov 2025, Brest, France Communication dans un congrès hal-05385442v1
A Blockchain-Enhanced Reversible Watermarking Framework for End-to-End Data Traceability in Federated Learning Systems Reda Bellafqira,Chloé Berton,Gouenou Coatrieux 9th International Conference on Cryptography, Security and Privacy (CSP 2025), Apr 2025, Okinawa, Japan Communication dans un congrès hal-05094859v1
A White-Box Watermarking Modulation for Encrypted DNN in Homomorphic Federated Learning Mohammed Lansari,Reda Bellafqira,Katarzyna Kapusta,Vincent Thouvenot,Olivier Bettanet al. 21st International Conference on Security and Cryptography, INSTICC, Jul 2024, Dijon, France. pp.186-197, ⟨10.5220/0012764300003767⟩ Communication dans un congrès hal-04663085v1
FedCAM - Identifying Malicious Models in Federated Learning Environments Conditionally to Their Activation Maps Reda Bellafqira,Gouenou Coatrieux,Mohammed Lansari,Jilo Chala WONS 2024: 19th Wireless On-Demand Network Systems and Services Conference, Jan 2024, Chamonix, France. pp.49-56, ⟨10.23919/WONS60642.2024.10449550⟩ Communication dans un congrès hal-05012389v1
Robust and Imperceptible Watermarking Scheme for GWAS Data Traceability Reda Bellafqira,Musab Al-Ghadi,Emmanuelle Genin,Gouenou Coatrieux 21st International Workshop, IWDW 2022, Nov 2022, Guilin, China. pp.147-161, ⟨10.1007/978-3-031-25115-3_10⟩ Communication dans un congrès hal-05222124v1
Securing Intellectual Property in Federated Learning Mohammed Lansari,Reda Bellafqira,Katarzyna Kapusta,Vincent Thouvenot,Olivier Bettanet al. Conference on Artificial Intelligence for Defense, DGA Maîtrise de l'Information, Nov 2023, Rennes, France Communication dans un congrès hal-04328539v1
A Hybrid Cloud Deployment Architecture For Privacy-preserving Collaborative Genome-Wide Association Studies Fatima-Zahra Boujdad,David Niyitegeka,Reda Bellafqira,Gouenou Coatrieux,Emmanuelle Géninet al. EAI ICDF2C 2021: 12th EAI International Conference on Digital Forensics & Cyber Crime, Dec 2021, Singapour, Singapore. pp.342-359, ⟨10.1007/978-3-031-06365-7_21⟩ Communication dans un congrès hal-03331063v1
Secure Processing of Stream Cipher Encrypted Data Issued from IOT: Application to a Connected Knee Prosthesis Maxime Pistono,Reda Bellafqira,Gouenou Coatrieux 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2019, Berlin, Germany. pp.6494-6497, ⟨10.1109/EMBC.2019.8857055⟩ Communication dans un congrès hal-02452348v1
Secure Multilayer Perceptron Based on Homomorphic Encryption Reda Bellafqira,Gouenou Coatrieux,Emmanuelle Génin,Michel Cozic IWDW: International Workshop on Digital Watermarking, Oct 2018, Jeju, South Korea. pp.322-336, ⟨10.1007/978-3-030-11389-6_24⟩ Communication dans un congrès hal-02066568v1
Proxy Re-Encryption Based on Homomorphic Encryption Reda Bellafqira,Gouenou Coatrieux,Dalel Bouslimi,Gwénolé Quellec,Michel Cozic the 33rd Annual Computer Security Applications Conference, Dec 2017, Orlando, United States. pp.154-161, ⟨10.1145/3134600.3134616⟩ Communication dans un congrès hal-02066555v1
Secure content based image retrieval in medical databases Reda Bellafqira,Gouenou Coatrieux,Dalel Bouslimi,Gwénolé Quellec Journées RITS 2015, Mar 2015, Dourdan, France. pp 114-115 Communication dans un congrès inserm-01154957v1
Content-Based Image Retrieval in Homomorphic Encryption Domain Reda Bellafqira,Gouenou Coatrieux,Dalel Bouslimi,Gwénolé Quellec EMBC 2015 : 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Aug 2015, Milan, Italy. pp.2944 - 2947 ⟨10.1109/EMBC.2015.7319009⟩ Communication dans un congrès hal-01243162v1

Chapitre d'ouvrage (1)

Chapter 2 - Architecture and design choices for federated learning in modern digital healthcare systems Konstantinos Koutsopoulos,Christoph Thümmler,Angelica Avila Castillo,Alice Abend,Stefan Covaciet al. Agbotiname Lucky Imoize, Mohammad S. Obaidat, Houbing Herbert Song. Federated Learning for Digital Healthcare Systems, Academic Press, pp.37-58, 2024, 9780443138973. ⟨10.1016/b978-0-443-13897-3.00002-3⟩ Chapitre d'ouvrage hal-05302075v1

Pré-publication, Document de travail (2)

FedCrypt: A Dynamic White-Box Watermarking Scheme for Homomorphic Federated Learning Mohammed Lansari,Reda Bellafqira,Katarzyna Kapusta,Kassem Kallas,Vincent Thouvenotet al. 2024 Pré-publication, Document de travail hal-04663096v1
White-box Membership Attack Against Machine Learning Based Retinopathy Classification Mounia Hamidouche,Reda Bellafqira,Gwenolé Quellec,Gouenou Coatrieux 2024 Pré-publication, Document de travail hal-04671399v1

Thèse (1)

Chiffrement homomorphe et recherche par le contenu sécurisé de données externalisées et mutualisées : Application à l'imagerie médicale et l'aide au diagnostic Reda Bellafqira Cryptographie et sécurité [cs.CR]. Ecole nationale supérieure Mines-Télécom Atlantique, 2017. Français. ⟨NNT : 2017IMTA0063⟩ Thèse tel-03919775v1