Guilhem Castagnos

Publication in international journals

[Cas07]An efficient probabilistic public-key cryptosystem over quadratic fields quotients, in Finite Fields and Their Applications, vol 13, n° 3, pp. 563-576, Elsevier, 2007, [DOI], [pdf].

Publications in international conferences [↑]

[CCLST19]Two-Party ECDSA from Hash Proof Systems and Efficient Instantiations, with Dario Catalano, Fabien Laguillaumie, Federico Savasta and Ida Tucker, 39th Annual International Cryptology Conference, CRYPTO'2019, Part III, Lecture Notes in Computer Science, vol 11694, p. 191-221, IACR, 2019, [DOI], long version [pdf].

[CLT18]Practical Fully Secure Unrestricted Inner Product Functional Encryption modulo p, with Fabien Laguillaumie and Ida Tucker, 24th Annual International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT'2018, Part II, Lecture Notes in Computer Science, vol 11273, pp. 733-764, IACR, 2018, [DOI], long version [pdf].

[CIL17]Encryption Switching Protocols Revisited: Switching modulo p, with Laurent Imbert and Fabien Laguillaumie, 37th Annual International Cryptology Conference, CRYPTO'2017, Part I, Lecture Notes in Computer Science, vol 10401, pp. 255-287, IACR, 2017, [DOI], Extended Version : [pdf].

[CL15]Linearly Homomorphic Encryption from DDH, with Fabien Laguillaumie, Topics in Cryptology, CT-RSA'2015, Lecture Notes in Computer Science, vol 9048, pp. 487-505, Springer, 2015, [DOI], Extended Version: [pdf].

[CRZ13]High-Order Masking by Using Coding Theory and its Application to AES, with Soline Renner and Gilles Zémor, 14th IMA International Conference on Cryptography and Coding, IMACC'2013, Lecture Notes in Computer Science, vol 8308, pp. 193-212, Springer, 2013, [DOI], [pdf].

[CL12]Homomorphic Encryption for Multiplications and Pairing Evaluation, with Fabien Laguillaumie, 8th Conference on Security and Cryptography for Networks, SCN'2012, Lecture Notes in Computer Science, vol 7485, pp. 374-392, Springer, 2012, [DOI], [pdf].

[CJLN09]Factoring pq2 with Quadratic Forms: Nice Cryptanalyses, with Antoine Joux, Fabien Laguillaumie, Phong Q. Nguyen, 15th Annual International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT'2009, Lecture Notes in Computer Science, vol 5912, pp. 469-486, Springer, 2009, [DOI], [pdf].

[BCC+09]Fault Analysis of Grain-128, with Alexandre Berzati, Cécile Canovas, Blandine Debraize, Louis Goubin, Aline Gouget, Pascal Paillier, Stéphanie Salgado, IEEE International Workshop on Hardware-Oriented Security and Trust (HOST 2009), pp. 7-14, 2009, [DOI], [pdf].

[CL09]On the Security of Cryptosystems with Quadratic Decryption: The Nicest Cryptanalysis, with Fabien Laguillaumie, 28th Annual International Conference on the Theory and Applications of Cryptographic Techniques, EUROCRYPT'2009, Lecture Notes in Computer Science, vol 5479, pp. 260-277, Springer, 2009, [DOI], [pdf].

[Cas08]Two Generic Constructions of Probabilistic Cryptosystems and their Applications, Sixth Conference on Security and Cryptography for Networks, SCN'2008, Lecture Notes in Computer Science, vol 5229, pp. 92-108, Springer, 2008, [DOI], [pdf].

[AMCG08]Lattice-based homomorphic encryption of vector spaces, with Carlos Aguilar Melchor and Philippe Gaborit, 2008 IEEE International Symposium on Information Theory, ISIT'2008, pp. 1858-1862, 2008, [DOI], [pdf].

[CCM07]Towards a DL-based Additively Homomorphic Encryption Scheme, with Benoît Chevallier-Mames, 10th Information Security Conference, ISC'2007, Lecture Notes in Computer Science, vol 4779, pp. 362-375, Springer, 2007, [DOI], [pdf].

[CV07]Trapdoor Permutation Polynomials of Z/nZ and Public Key Cryptosystems, with Damien Vergnaud, 10th Information Security Conference, ISC'2007, Lecture Notes in Computer Science, vol 4779, pp. 333-350, Springer, 2007, [DOI], [pdf].

Bibtex file of my publications.

Ph.D. Thesis [↑]

I have started my Ph.D. Thesis at the University of Limoges in October 2003. I have defended this Thesis the 3rd of October 2006. The Thesis: in pdf format.

Title :
Some asymmetric cryptography probabilistic schemes
Supervisors:
François Arnault, maître de conférences à l'université de Limoges
Thierry Berger, professeur à l'université de Limoges
Jury :
Président :
Moulay Barkatou, professeur à l'université de Limoges
Rapporteurs :
Jean-Marc Couveignes, professeur à l'université Toulouse II
François Morain, professeur associé à l'école polytechnique, H.D.R.
Examinateurs :
François Arnault, maître de conférences à l'université de Limoges
Thierry Berger, professeur à l'université de Limoges
David Pointcheval, chargé de recherche à l'É.N.S., H.D.R.