Hervé Talé Kalachi

Publications

• Contextual Cloud Steganography(CCS): Breaking the Capacity-Security Trade-Off

  (with Stéphane Willy Mossebo Tcheunteu, Leonel Moyou Metcheka, Stéphane Gael Raymond Ekodeck, René Ndoundam and Alain Tchana) IEEE Transactions on Cloud Computing, 2026 DOI

• High embedding capacity text steganography using optimal color combinations from 24-bit space

  (with Stéphane Willy Mossebo Tcheunteu, Stéphane Gael Raymond Ekodeck, Leonel Moyou Metcheka, Jean Marsien Ayemidie Moto, and René Ndoundam) Journal of Computer Security, 2026 DOI

• Security assessment of the LG cryptosystem

  (with Étienne Burle, Freddy Lende Metouke, and Ayoub Otmani) Applicable Algebra in Engineering, Communication and Computing, 2024 DOI

• On the Generalizations of the Rank Metric Over Finite Chain Rings

  (with Hermann Tchatchiem Kamche) Accepted to AfricaCrypt 2024, 2024

• Solving systems of algebraic equations over finite commutative rings and applications

  (with Hermann Tchatchiem Kamche) Applicable Algebra in Engineering, Communication and Computing, 2024 DOI

• Low-rank parity-check codes over finite commutative rings

  (with Hermann Tchatchiem Kamche, Franck Rivel Kamwa Djomou & Emmanuel Fouotsa) Applicable Algebra in Engineering, Communication and Computing, 2024 DOI

• On the rank decoding problem over finite principal ideal rings

  (with Hermann Tchatchiem Kamche) Advances in Mathematics of Communications, 2023 DOI

• Generalization of low rank parity-check (LRPC) codes over the ring of integers modulo a positive integer

  (with Franck Rivel Kamwa Djomou & Emmanuel Fouotsa) Arabian Journal of Mathematics, 2021 DOI

• On the failure of the smart approach of the GPT cryptosystem

  Cryptologia, 2020 DOI

• Polynomial-time key recovery attack on the Faure-Loidreau scheme based on Gabidulin codes

  (with Philippe Gaborit & Ayoub Otmani) Designs, Codes and Cryptography, 2018 DOI

• Improved cryptanalysis of rank metric schemes based on Gabidulin codes

  (with Ayoub Otmani & Selestin Ndjeya) Designs, Codes and Cryptography, 2018 DOI

• Cryptanalysis of a Public Key Encryption Scheme Based on QC-LDPC and QC-MDPC Codes

  (with Vlad Dragoi) IEEE Communications Letters, 2018 DOI

• Security of cryptographic protocols based on coding theory

  PhD Thesis - University of Rouen & University of Yaounde 1, 2017 Full Text

• Evolution of the McEliece Public Key Encryption Scheme

  (with Vlad Dragoi and Dominic Bucerzan) Innovative Security Solutions for Information Technology and Communications (SecITC 2017) p. 129–149

• Square Code Attack on a Modified Sidelnikov Cryptosystem

  (with Ayoub Otmani) Proceedings of Codes, Cryptology, and Information Security (C2SI 2015) p. 173–183