What do DES S-boxes Say to Each Other ? - Nicolas T. Courtois; Guilhem Castagnos; Louis Goubin (IACR Cryptol. ePrint Arch., 2003)

Towards a DL-Based Additively Homomorphic Encryption Scheme. - Guilhem Castagnos; Benoît Chevallier-Mames (ISC, 2007)

Trapdoor Permutation Polynomials of Z/ n Z and Public Key Cryptosystems. - Guilhem Castagnos; Damien Vergnaud (ISC, 2007)

An efficient probabilistic public-key cryptosystem over quadratic fields quotients. - Guilhem Castagnos (Finite Fields Their Appl., 2007)

Lattice-based homomorphic encryption of vector spaces. - Carlos Aguilar Melchor; Guilhem Castagnos; Philippe Gaborit (ISIT, 2008)

Two Generic Constructions of Probabilistic Cryptosystems and Their Applications. - Guilhem Castagnos (SCN, 2008)

Factoring pq2 with Quadratic Forms: Nice Cryptanalyses. - Guilhem Castagnos; Antoine Joux; Fabien Laguillaumie; Phong Q. Nguyen (ASIACRYPT, 2009)

On the Security of Cryptosystems with Quadratic Decryption: The Nicest Cryptanalysis. - Guilhem Castagnos; Fabien Laguillaumie (EUROCRYPT, 2009)

Fault Analysis of Grain-128. - Guilhem Castagnos; Alexandre Berzati; Cécile Canovas; Blandine Debraize; Louis Goubin; Aline Gouget; Pascal Paillier; Stephanie Salgado (HOST, 2009)

Homomorphic Encryption for Multiplications and Pairing Evaluation. - Guilhem Castagnos; Fabien Laguillaumie (SCN, 2012)

High-order Masking by Using Coding Theory and Its Application to AES. - Guilhem Castagnos; Soline Renner; Gilles Zémor (IMACC, 2013)

Linearly Homomorphic Encryption from $$ mathsf {DDH}$$. - Guilhem Castagnos; Fabien Laguillaumie (CT-RSA, 2015)

Linearly Homomorphic Encryption from DDH. - Guilhem Castagnos; Fabien Laguillaumie (IACR Cryptol. ePrint Arch., 2015)

Encryption Switching Protocols Revisited: Switching modulo p. - Guilhem Castagnos; Laurent Imbert; Fabien Laguillaumie (IACR Cryptol. ePrint Arch., 2017)

Practical Fully Secure Unrestricted Inner Product Functional Encryption modulo p. - Guilhem Castagnos; Fabien Laguillaumie; Ida Tucker (IACR Cryptol. ePrint Arch., 2018)

Cryptography based on quadratic fields: cryptanalyses, primitives and protocols. (Cryptographie basée sur les corps quadratiques : cryptanalyses, primitives et protocoles). - Guilhem Castagnos (2019)

Two-Party ECDSA from Hash Proof Systems and Efficient Instantiations. - Guilhem Castagnos; Dario Catalano; Fabien Laguillaumie; Federico Savasta; Ida Tucker (IACR Cryptol. ePrint Arch., 2019)

Bandwidth-efficient threshold EC-DSA. - Guilhem Castagnos; Dario Catalano; Fabien Laguillaumie; Federico Savasta; Ida Tucker (IACR Cryptol. ePrint Arch., 2020)

Public Key Encryption with Flexible Pattern Matching. - Elie Bouscatié; Guilhem Castagnos; Olivier Sanders (IACR Cryptol. ePrint Arch., 2021)

Bandwidth-efficient threshold EC-DSA revisited: Online/Offline Extensions, Identifiable Aborts, Proactivity and Adaptive Security. - Guilhem Castagnos; Dario Catalano; Fabien Laguillaumie; Federico Savasta; Ida Tucker (IACR Cryptol. ePrint Arch., 2021)

Efficient CCA Timed Commitments in Class Groups. - Sri Aravinda Krishnan Thyagarajan; Guilhem Castagnos; Fabien Laguillaumie; Giulio Malavolta (IACR Cryptol. ePrint Arch., 2021)

Threshold Linearly Homomorphic Encryption on bfZ/2kbfZ. - Guilhem Castagnos; Fabien Laguillaumie; Ida Tucker (ASIACRYPT (2), 2022)

Pattern Matching in Encrypted Stream from Inner Product Encryption. - Elie Bouscatié; Guilhem Castagnos; Olivier Sanders (IACR Cryptol. ePrint Arch., 2022)

Threshold Linearly Homomorphic Encryption on $ mathbf{Z}/2^k mathbf{Z}$. - Guilhem Castagnos; Fabien Laguillaumie; Ida Tucker (IACR Cryptol. ePrint Arch., 2022)

A tighter proof for CCA secure inner product functional encryption: Genericity meets efficiency. - Guilhem Castagnos; Fabien Laguillaumie; Ida Tucker (Theor. Comput. Sci., 2022)

Bandwidth-efficient threshold EC-DSA revisited: Online/offline extensions, identifiable aborts proactive and adaptive security. - Guilhem Castagnos; Dario Catalano; Fabien Laguillaumie; Federico Savasta; Ida Tucker (Theor. Comput. Sci., 2023)

I Want to Ride My BICYCL : BICYCL Implements CryptographY in CLass Groups. - Cyril Bouvier; Guilhem Castagnos; Laurent Imbert; Fabien Laguillaumie (J. Cryptol., 2023)

An Improved Threshold Homomorphic Cryptosystem Based on Class Groups. - Lennart Braun; Guilhem Castagnos; Ivan Damgård; Fabien Laguillaumie; Kelsey Melissaris; Claudio Orlandi; Ida Tucker (IACR Cryptol. ePrint Arch., 2024)

Efficient Succinct Zero-Knowledge Arguments in the CL Framework. - Agathe Beaugrand; Guilhem Castagnos; Fabien Laguillaumie (J. Cryptol., 2025)