[Damien Stehle]

Damien Stehlé

CNRS research fellow in computer science.
Member of the Arénaire project-team.
LIP laboratory [CNRS, ENSL, INRIA, UCBL, U. Lyon].
École Normale Supérieure de Lyon.

Research interests: cryptography; computer algebra;
computer arithmetic; algorithmic number theory; communications theory.

Publications HDR PhD Teaching Students Software Talks Contact
WHAT'S NEW:
UPCOMING EVENTS:
PROGRAM COMMITTEES: INDOCRYPT'12, CRYPTO'12, ISSAC'12, INDOCRYPT'11, CANS'11, PQCrypto'11, ACISP'11, TOOLS'10, ACISP'10, Africacrypt'10, PQCrypto'10, SCC'08.

Publications     .bib

Analyzing Blockwise Lattice Algorithms using Dynamical Systems, with Guillaume Hanrot and Xavier Pujol.
In the proceedings of CRYPTO 2011. © Springer-Verlag, 2011.

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Algorithms for the Shortest and Closest Lattice Vector Problems, with Guillaume Hanrot
and Xavier Pujol. Invited contribution for IWCC'11. © Springer-Verlag, 2011.

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Decoding by Embedding: Correct Decoding Radius and DMT Optimality, with Laura Luzzi,
Shuiyin Liu and Cong Ling. Accepted to ISIT 2011.

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Making NTRU as secure as worst-case problems over ideal lattices, with Ron Steinfeld.
In the proceedings of Eurocrypt 2011. © Springer-Verlag, 2011.

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An LLL-reduction algorithm with quasi-linear time complexity, with Andrew Novocin and Gilles Villard.
In the proceedings of STOC 2011.

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Rigorous Perturbation Bounds of Some Matrix Factorizations, with Xiao-Wen Chang.
In SIAM Journal on Matrix Analysis and Applications (SIMAX), November 2010.

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Faster Fully Homomorphic Encryption, with Ron Steinfeld. In the proceedings
of Asiacrypt 2010. © Springer-Verlag, 2010.

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Accelerating Lattice Reduction with FPGAs, with Jérémie Detrey,
Guillaume Hanrot and Xavier Pujol. In the proceedings of LatinCrypt'10.
© Springer-Verlag, 2010.

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A Complete Worst-Case Analysis of Kannan's Shortest Lattice Vector Algorithm,
with Guillaume Hanrot. Submitted.

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Short Bases of Lattices over Number Fields, with Claus Fieker.
In the proceedings of ANTS-IX. © Springer-Verlag, 2010.

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On the Extremality of an 80-Dimensional Lattice, with Mark Watkins.
In the proceedings of ANTS-IX. © Springer-Verlag, 2010.

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Decoding by Sampling: A Randomized Lattice Algorithm for Bounded Distance Decoding,
with Shuiyin Liu and Cong Ling. In IEEE Transactions on Information Theory, 2011.

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Solving the Shortest Lattice Vector Problem in Time 2^2.465n, with Xavier Pujol. IACR eprint 2009/605.

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Perturbation Analysis of the QR factor R in the Context of LLL Lattice Basis Reduction,
with Xiao-Wen Chang and Gilles Villard. To appear in Mathematics of Computation.

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Efficient Public-Key Encryption Based on Ideal Lattices (Extended Abstract),
with Ron Steinfeld, Keisuke Tanaka and Keita Xagawa. In the proceedings of ASIACRYPT 2009.
© Springer-Verlag, 2009.

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Handbook of Floating-Point Arithmetic, with Jean-Michel Muller, Nicolas Brisebarre, Florent de Dinechin,
Claude-Pierre Jeannerod, Vincent Lefèvre, Guillaume Melquiond, Nathalie Revol and Serge Torres.
© Birkhauser, 2009.

H-LLL: Using Householder inside LLL, with Ivan Morel and Gilles Villard.
In the proceedings of ISSAC 2009. © ACM, 2009.

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An LLL Algorithm with Quadratic Complexity, with Phong Nguyen.
SIAM Journal on Computing, 2009.

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Low-Dimensional Lattice Basis Reduction Revisited (Full Version), with Phong Nguyen.
Transactions on Algorithms. © ACM, 2009.

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Analyse numérique et réduction de réseaux (in French), with Ivan Morel and Gilles Villard. TSI, 2010.

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Rigorous and efficient short lattice vectors enumeration, with Xavier Pujol.
In the proceedings of ASIACRYPT 2008. © Springer-Verlag, 2008.

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Worst-Case Hermite-Korkine-Zolotarev Reduced Lattice Bases, with Guillaume Hanrot.
INRIA research report, 2008.

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Speeding-up Lattice Reduction with Random Projections, with Ali Akhavi.
In the proceedings of LATIN'08. © Springer-Verlag, 2008.

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Floating-point LLL: theoretical and practical aspects. Survey for the LLL+25 conference, 2007.
Chapter of "The LLL Algorithm, survey and applications". © Springer-Verlag, 2009.

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Improved Analysis of Kannan's Shortest Lattice Vector Algorithm, with Guillaume Hanrot.
In the proceedings of CRYPTO 2007. © Springer-Verlag, 2007.

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Worst Cases of a Periodic Function for Large Arguments,
with Guillaume Hanrot, Vincent Lefèvre and Paul Zimmermann.
In the proceedings of ARITH'18, 2007.

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Worst Cases for the Exponential Function in the IEEE 754r decimal64 Format,
with Vincent Lefèvre and Paul Zimmermann.
In a special LNCS volume, following the Dagstuhl seminar number 06021
(Reliable Implementation of Real Number Algorithms: Theory and Practice), 2006.
© Springer-Verlag, 2008.

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On the Randomness of Bits Generated by Sufficiently Smooth Functions.
In the proceedings of the ANTS-VII conference, © Springer-Verlag, 2006.

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LLL on the Average, with Phong Nguyen.
In the proceedings of the ANTS-VII conference, © Springer-Verlag, 2006.

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Floating-point LLL Revisited, with Phong Nguyen.
In the proceedings of Eurocrypt 2005, © Springer-Verlag, 2005.

Gal's Accurate Tables Method Revisited, with Paul Zimmermann.
In the proceedings of Arith'17, 2005.

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Searching Worst Cases of a One-Variable Function Using Lattice Reduction,
with Vincent Lefèvre and Paul Zimmermann. In IEEE Transactions on Computers, march 2005.

Breaking Littlewood's Cipher. In Cryptologia, October 2004.

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A Binary Recursive Gcd Algorithm, with Paul Zimmermann.
In the proceedings of ANTS-VI, © Springer-Verlag, 2004.

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Low-Dimensional Lattice Basis Reduction Revisited (Extended Abstract), with Phong Nguyen.
In the proceedings of ANTS-VI, © Springer-Verlag, 2004.

Worst Cases and Lattice Reduction, with Vincent Lefèvre and Paul Zimmermann.
In the proceedings of ARITH'16, 2003.
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École Normale Supérieure de Lyon
Laboratoire LIP
46 Allée d'Italie F69364 Lyon Cedex 07
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Tel: +33 4 7272 8795
Department fax: +33 4 7272 8080

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Last update: 09/12/2011.