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ORCIDGuilhem Castagnos
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2020 – today
- 2024
[c19]Lennart Braun
, Guilhem Castagnos, Ivan Damgård, Fabien Laguillaumie, Kelsey Melissaris, Claudio Orlandi, Ida Tucker:
An Improved Threshold Homomorphic Cryptosystem Based on Class Groups. SCN (2) 2024: 24-46- [i13]Lennart Braun, Guilhem Castagnos, Ivan Damgård, Fabien Laguillaumie, Kelsey Melissaris, Claudio Orlandi, Ida Tucker:
An Improved Threshold Homomorphic Cryptosystem Based on Class Groups. IACR Cryptol. ePrint Arch. 2024: 717 (2024) - 2023
- [j4]Cyril Bouvier, Guilhem Castagnos, Laurent Imbert, Fabien Laguillaumie:
I Want to Ride My BICYCL : BICYCL Implements CryptographY in CLass Groups. J. Cryptol. 36(3): 17 (2023) - [j3]Guilhem Castagnos, Dario Catalano, Fabien Laguillaumie, Federico Savasta, Ida Tucker:
Bandwidth-efficient threshold EC-DSA revisited: Online/offline extensions, identifiable aborts proactive and adaptive security. Theor. Comput. Sci. 939: 78-104 (2023) - [c18]Elie Bouscatié, Guilhem Castagnos, Olivier Sanders:
Pattern Matching in Encrypted Stream from Inner Product Encryption. Public Key Cryptography (1) 2023: 774-801 - 2022
- [j2]Guilhem Castagnos, Fabien Laguillaumie, Ida Tucker:
A tighter proof for CCA secure inner product functional encryption: Genericity meets efficiency. Theor. Comput. Sci. 914: 84-113 (2022) - [c17]Guilhem Castagnos, Fabien Laguillaumie, Ida Tucker:
Threshold Linearly Homomorphic Encryption on bfZ/2kbfZ. ASIACRYPT (2) 2022: 99-129 - [i12]Guilhem Castagnos, Fabien Laguillaumie, Ida Tucker:
Threshold Linearly Homomorphic Encryption on $\mathbf{Z}/2^k\mathbf{Z}$. IACR Cryptol. ePrint Arch. 2022: 1143 (2022) - [i11]Cyril Bouvier, Guilhem Castagnos, Laurent Imbert, Fabien Laguillaumie:
I want to ride my BICYCL: BICYCL Implements CryptographY in CLass groups. IACR Cryptol. ePrint Arch. 2022: 1466 (2022) - [i10]Elie Bouscatié, Guilhem Castagnos, Olivier Sanders:
Pattern Matching in Encrypted Stream from Inner Product Encryption. IACR Cryptol. ePrint Arch. 2022: 1527 (2022) - 2021
- [c16]Elie Bouscatié, Guilhem Castagnos, Olivier Sanders:
Public Key Encryption with Flexible Pattern Matching. ASIACRYPT (4) 2021: 342-370 - [c15]Sri Aravinda Krishnan Thyagarajan, Guilhem Castagnos, Fabien Laguillaumie, Giulio Malavolta:
Efficient CCA Timed Commitments in Class Groups. CCS 2021: 2663-2684 - [i9]Guilhem Castagnos, Dario Catalano, Fabien Laguillaumie, Federico Savasta, Ida Tucker:
Bandwidth-efficient threshold EC-DSA revisited: Online/Offline Extensions, Identifiable Aborts, Proactivity and Adaptive Security. IACR Cryptol. ePrint Arch. 2021: 291 (2021) - [i8]Elie Bouscatié, Guilhem Castagnos, Olivier Sanders:
Public Key Encryption with Flexible Pattern Matching. IACR Cryptol. ePrint Arch. 2021: 713 (2021) - [i7]Sri Aravinda Krishnan Thyagarajan, Guilhem Castagnos, Fabien Laguillaumie, Giulio Malavolta:
Efficient CCA Timed Commitments in Class Groups. IACR Cryptol. ePrint Arch. 2021: 1272 (2021) - 2020
- [c14]Guilhem Castagnos, Dario Catalano, Fabien Laguillaumie, Federico Savasta, Ida Tucker:
Bandwidth-Efficient Threshold EC-DSA. Public Key Cryptography (2) 2020: 266-296 - [i6]Guilhem Castagnos, Dario Catalano, Fabien Laguillaumie, Federico Savasta, Ida Tucker:
Bandwidth-efficient threshold EC-DSA. IACR Cryptol. ePrint Arch. 2020: 84 (2020)
2010 – 2019
- 2019
- [b1]Guilhem Castagnos:
Cryptography based on quadratic fields: cryptanalyses, primitives and protocols. (Cryptographie basée sur les corps quadratiques : cryptanalyses, primitives et protocoles). University of Bordeaux, France, 2019 - [c13]Guilhem Castagnos, Dario Catalano, Fabien Laguillaumie, Federico Savasta, Ida Tucker:
Two-Party ECDSA from Hash Proof Systems and Efficient Instantiations. CRYPTO (3) 2019: 191-221 - [i5]Guilhem Castagnos, Dario Catalano, Fabien Laguillaumie, Federico Savasta, Ida Tucker:
Two-Party ECDSA from Hash Proof Systems and Efficient Instantiations. IACR Cryptol. ePrint Arch. 2019: 503 (2019) - 2018
- [c12]Guilhem Castagnos, Fabien Laguillaumie, Ida Tucker:
Practical Fully Secure Unrestricted Inner Product Functional Encryption Modulo p. ASIACRYPT (2) 2018: 733-764 - [i4]Guilhem Castagnos, Fabien Laguillaumie, Ida Tucker:
Practical Fully Secure Unrestricted Inner Product Functional Encryption modulo p. IACR Cryptol. ePrint Arch. 2018: 791 (2018) - 2017
- [c11]Guilhem Castagnos, Laurent Imbert, Fabien Laguillaumie:
Encryption Switching Protocols Revisited: Switching Modulo p. CRYPTO (1) 2017: 255-287 - [i3]Guilhem Castagnos, Laurent Imbert, Fabien Laguillaumie:
Encryption Switching Protocols Revisited: Switching modulo p. IACR Cryptol. ePrint Arch. 2017: 503 (2017) - 2015
- [c10]Guilhem Castagnos, Fabien Laguillaumie:
Linearly Homomorphic Encryption from $$\mathsf {DDH}$$. CT-RSA 2015: 487-505 - [i2]Guilhem Castagnos, Fabien Laguillaumie:
Linearly Homomorphic Encryption from DDH. IACR Cryptol. ePrint Arch. 2015: 47 (2015) - 2013
- [c9]Guilhem Castagnos, Soline Renner, Gilles Zémor:
High-order Masking by Using Coding Theory and Its Application to AES. IMACC 2013: 193-212 - 2012
- [c8]Guilhem Castagnos, Fabien Laguillaumie:
Homomorphic Encryption for Multiplications and Pairing Evaluation. SCN 2012: 374-392
2000 – 2009
- 2009
- [c7]Guilhem Castagnos, Antoine Joux, Fabien Laguillaumie, Phong Q. Nguyen:
Factoring pq2 with Quadratic Forms: Nice Cryptanalyses. ASIACRYPT 2009: 469-486 - [c6]Guilhem Castagnos, Fabien Laguillaumie:
On the Security of Cryptosystems with Quadratic Decryption: The Nicest Cryptanalysis. EUROCRYPT 2009: 260-277 - [c5]Guilhem Castagnos, Alexandre Berzati, Cécile Canovas, Blandine Debraize, Louis Goubin, Aline Gouget, Pascal Paillier, Stephanie Salgado:
Fault Analysis of Grain-128. HOST 2009: 7-14 - 2008
- [c4]Carlos Aguilar Melchor, Guilhem Castagnos, Philippe Gaborit:
Lattice-based homomorphic encryption of vector spaces. ISIT 2008: 1858-1862 - [c3]Guilhem Castagnos:
Two Generic Constructions of Probabilistic Cryptosystems and Their Applications. SCN 2008: 92-108 - 2007
- [j1]Guilhem Castagnos:
An efficient probabilistic public-key cryptosystem over quadratic fields quotients. Finite Fields Their Appl. 13(3): 563-576 (2007) - [c2]Guilhem Castagnos, Damien Vergnaud:
Trapdoor Permutation Polynomials of Z/ n Z and Public Key Cryptosystems. ISC 2007: 333-350 - [c1]Guilhem Castagnos, Benoît Chevallier-Mames:
Towards a DL-Based Additively Homomorphic Encryption Scheme. ISC 2007: 362-375 - 2003
- [i1]Nicolas T. Courtois, Guilhem Castagnos, Louis Goubin:
What do DES S-boxes Say to Each Other ? IACR Cryptol. ePrint Arch. 2003: 184 (2003)
Coauthor Index
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