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Folding Alternant and Goppa Codes with Non-Trivial Automorphism Groups

Jean-Charles Faugère , Ayoub Otmani , Ludovic Perret , Frédéric de Portzamparc , Jean-Pierre Tillich
IEEE Transactions on Information Theory, 2016, 62 (1), pp.184-198. ⟨10.1109/TIT.2015.2493539⟩
Article dans une revue hal-00992389v1
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Polynomial Time Attack on Wild McEliece Over Quadratic Extensions

Alain Couvreur , Ayoub Otmani , Jean-Pierre Tillich
IEEE Transactions on Information Theory, 2017, 63 (1), pp.404--427. ⟨10.1109/TIT.2016.2574841⟩
Article dans une revue hal-01661935v1
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Algebraic Cryptanalysis of McEliece Variants with Compact Keys

Jean-Charles Faugère , Ayoub Otmani , Ludovic Perret , Jean-Pierre Tillich
Eurocrypt 2010 - 29th International Conference on Cryptology, May 2010, Monaco, Monaco. pp.279-298, ⟨10.1007/978-3-642-13190-5_14⟩
Communication dans un congrès inria-00596632v1
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Structural Cryptanalysis of McEliece Schemes with Compact Keys

Jean-Charles Faugère , Ayoub Otmani , Ludovic Perret , Frédéric de Portzamparc , Jean-Pierre Tillich
Designs, Codes and Cryptography, 2016, 79 (1), pp.87-112. ⟨10.1007/s10623-015-0036-z⟩
Article dans une revue hal-00964265v1
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Low Complexity Tail-Biting Trellises for Some Extremal Self-Dual Codes

Grégory Olocco , Ayoub Otmani
Eighth Algebraic and Combinatorial Coding Theory (ACCT VIII), Sep 2002, St.Petersburg, Russia. pp.214-218
Communication dans un congrès hal-00921851v1
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On Kabatianskii-Krouk-Smeets Signatures

Pierre-Louis Cayrel , Ayoub Otmani , Damien Vergnaud
Lecture Notes in Computer Science, 2007, pp.237-251
Article dans une revue hal-00259021v1

A Distinguisher-Based Attack of a Homomorphic Encryption Scheme Relying on Reed-Solomon Codes

Valérie Gauthier , Ayoub Otmani
Designs, Codes and Cryptography, 2012, 11 p. ⟨10.48550/arXiv.1203.6686⟩
Article dans une revue hal-01085871v1
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Distinguisher-Based Attacks on Public-Key Cryptosystems Using Reed-Solomon Codes

Alain Couvreur , Philippe Gaborit , Valérie Gautier , Ayoub Otmani , Jean-Pierre Tillich
International Workshop on Coding and Cryptography - WCC 2013, Apr 2013, Bergen, Norway. pp.181-193
Communication dans un congrès hal-00830594v1

Permutation Code Equivalence is Not Harder Than Graph Isomorphism When Hulls Are Trivial

Magali Bardet , Ayoub Otmani , Mohamed Saeed-Taha
2019 IEEE International Symposium on Information Theory (ISIT), Jul 2019, Paris, France. pp.2464-2468, ⟨10.1109/ISIT.2019.8849855⟩
Communication dans un congrès hal-02310495v1
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Contribution à la cryptanalyse de primitives cryptographiques fondées sur la théorie des codes

Ayoub Otmani
Informatique [cs]. Université de Caen Basse Normandie, 2011
HDR tel-01138792v1
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On the Minimum Distance of Generalized LDPC Codes

Ayoub Otmani , Jean-Pierre Tillich , Iryna Andriyanova
2007 IEEE International Symposium on Information Theory, Jun 2007, Nice, France. pp.751-755
Communication dans un congrès hal-00259015v1

A Distinguisher-Based Attack on a Variant of McEliece's Cryptosystem Based on Reed-Solomon Codes

Valérie Gauthier , Ayoub Otmani , Jean-Pierre Tillich
2012
Autre publication scientifique hal-01085881v1

Experimental constructions of codes over rings and construction of an optimal unimodular lattice in dimension

Philippe Gaborit , Ayoub Otmani
ACCT, 2002, France. pp.128-131
Communication dans un congrès hal-00110493v1

Polynomial Time Attack on Wild McEliece Over Quadratic Extensions

Alain Couvreur , Ayoub Otmani , Jean-Pierre Tillich
Advances in Cryptology - Eurocrypt 2014, May 2014, Copenhagen, Denmark. pp.17-39, ⟨10.1007/978-3-642-55220-5_2⟩
Communication dans un congrès hal-00931774v1
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An Efficient Attack on All Concrete KKS Proposals

Ayoub Otmani , Jean-Pierre Tillich
Post-Quantum Cryptography - PQCrypto 2011, Nov 2011, Taipei, Taiwan. pp.98-116, ⟨10.1007/978-3-642-25405-5_7⟩
Communication dans un congrès hal-00913500v1

Distinguisher-based attacks on public-key cryptosystems using Reed-Solomon codes

Alain Couvreur , Philippe Gaborit , Valérie Gauthier-Umana , Ayoub Otmani , Jean-Pierre Tillich
Designs, Codes and Cryptography, 2014, 73 (2), pp.641-666. ⟨10.1007/s10623-014-9967-z⟩
Article dans une revue hal-01096172v1
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BIG QUAKE BInary Goppa QUAsi–cyclic Key Encapsulation

Magali Bardet , Elise Barelli , Olivier Blazy , Rodolfo Canto Torres , Alain Couvreur , et al.
2017
Autre publication scientifique hal-01671866v2

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

Philippe Gaborit , Ayoub Otmani , Hervé Talé Kalachi
Designs, Codes and Cryptography, 2018, 86 (7), pp.1391-1403. ⟨10.1007/s10623-017-0402-0⟩
Article dans une revue hal-02088213v1

Etude d'un système de chiffrement de type McEliece à base de codes polaires

Magali Bardet , Julia Chaulet , Vlad Dragoi , Ayoub Otmani , Jean-Pierre Tillich
Journées Codage et Cryptographie 2015, Oct 2015, La Londe-les-Maures, France
Communication dans un congrès hal-01240843v1
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Cryptanalysis of the McEliece Public Key Cryptosystem based on Polar Codes

Magali Bardet , Julia Chaulet , Vlad Dragoi , Ayoub Otmani , Jean-Pierre Tillich
Post-Quantum Cryptography - PQCrypto 2016, Feb 2016, Fukuoka, Japan. ⟨10.1007/978-3-319-29360-8_9⟩
Communication dans un congrès hal-01240856v1
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New identities relating wild Goppa codes

Alain Couvreur , Ayoub Otmani , Jean-Pierre Tillich
Finite Fields and Their Applications, 2014, 29, pp.178-197. ⟨10.1016/j.ffa.2014.04.007⟩
Article dans une revue hal-00880994v1
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A Distinguisher for High Rate McEliece Cryptosystems

Jean-Charles Faugère , Valérie Gauthier-Umana , Ayoub Otmani , Ludovic Perret , Jean-Pierre Tillich
IEEE Transactions on Information Theory, 2013, 59 (10), pp.6830-6844. ⟨10.1109/TIT.2013.2272036⟩
Article dans une revue hal-00776068v1
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Reducing Key Length of the McEliece Cryptosystem

Thierry Pierre Berger , Pierre-Louis Cayrel , Philippe Gaborit , Ayoub Otmani
Proceedings of Second International Conference on Cryptology - AFRICACRYPT 2009, Jun 2009, Gammarth, Tunisia. pp.77 - 97, ⟨10.1007/978-3-642-02384-2_6⟩
Communication dans un congrès hal-01081727v1

Practical Algebraic Attack on DAGS

Magali Bardet , Manon Bertin , Alain Couvreur , Ayoub Otmani
CBC 2019 - 7th Code-Based Cryptography Workshop, May 2019, Darmstadt, Germany. pp.86-101, ⟨10.1007/978-3-030-25922-8_5⟩
Communication dans un congrès hal-02125330v1

Improved cryptanalysis of rank metric schemes based on Gabidulin codes

Ayoub Otmani , Hervé Talé Kalachi , Sélestin Ndjeya
Designs, Codes and Cryptography, 2018, 86 (9), pp.1983-1996. ⟨10.1007/s10623-017-0434-5⟩
Article dans une revue hal-02189601v1

Cryptanalysis of Two McEliece Cryptosystems Based on Quasi-Cyclic Codes

Ayoub Otmani , Jean-Pierre Tillich , Léonard Dallot
Mathematics in Computer Science, 2010, 3 (2), pp.129-140. ⟨10.1007/s11786-009-0015-8⟩
Article dans une revue hal-01083566v1

On the Design of Code-Based Signatures

Ayoub Otmani
Code-based Cryptography Workshop - CBC 2012, May 2012, Lyngby, Denmark
Communication dans un congrès hal-00921494v1

A Polynomial-Time Attack on the BBCRS Scheme

Alain Couvreur , Ayoub Otmani , Jean-Pierre Tillich , Valérie Gauthier-Umana
Practice and Theory in Public-Key Cryptography - PKC 2015, Mar 2015, Washington, United States
Communication dans un congrès hal-01104078v1

Structural weakness of compact variants of the McEliece cryptosystem

Jean-Charles Faugère , Ludovic Perret , Frédéric de Portzamparc , Ayoub Otmani , Jean-Pierre Tillich
IEEE International Symposium on Information Theory - ISIT 2014, Jun 2014, Honolulu, United States. pp.1717-1721
Communication dans un congrès hal-01096180v1

Weak Keys for the Quasi-Cyclic MDPC Public Key Encryption Scheme

Magali Bardet , Vlad Dragoi , Jean-Gabriel Luque , Ayoub Otmani
AFRICACRYPT 2016 (8th International Conference on Cryptology in Africa), Apr 2016, Fes, Morocco. pp.346-367, ⟨10.1007/978-3-319-31517-1_18⟩
Communication dans un congrès hal-02087520v1