Nicolas Courtois

Nicolas T. Courtois

	2013
j4		Nicolas T. Courtois: Low-Complexity Key Recovery Attacks on GOST Block Cipher. Cryptologia 37(1): 1-10 (2013)
	2012
j3		Nicolas T. Courtois: Security Evaluation of GOST 28147-89 in View of International Standardisation. Cryptologia 36(1): 2-13 (2012)
j2		Gregory V. Bard, Shaun Van Ault, Nicolas T. Courtois: Statistics of Random Permutations and the Cryptanalysis of Periodic Block Ciphers. Cryptologia 36(3): 240-262 (2012)
j1		Nicolas T. Courtois, Michal Misztal: Aggregated differentials and cryptanalysis of PP-1 and gost. Periodica Mathematica Hungarica 65(2): 177-192 (2012)
c43		Nicolas T. Courtois, Gregory V. Bard: Random Permutation Statistics and an Improved Slide-Determine Attack on KeeLoq. Cryptography and Security 2012: 35-54
c42		Nicolas T. Courtois: Self-similarity Attacks on Block Ciphers and Application to KeeLoq. Cryptography and Security 2012: 55-66
c41		Nicolas T. Courtois, Pouyan Sepehrdad, Petr Susil, Serge Vaudenay: ElimLin Algorithm Revisited. FSE 2012: 306-325
c40		Nicolas T. Courtois, Theodosis Mourouzis, Pho V. Le: Extension of de Weger's Attack on RSA with Large Public Keys. SECRYPT 2012: 145-153
i33		Nicolas T. Courtois: An Improved Differential Attack on Full GOST. IACR Cryptology ePrint Archive 2012: 138 (2012)
	2011
c39		Nicolas Courtois, Michal Misztal: First Differential Attack on Full 32-Round GOST. ICICS 2011: 216-227
c38		Ravi Jhawar, Philip Inglesant, Nicolas Courtois, Martina Angela Sasse: Make mine a quadruple: Strengthening the security of graphical one-time PIN authentication. NSS 2011: 81-88
c37		Nicolas Courtois, Theodosis Mourouzis: Black-box Collision Attacks on the Compression Function of the GOST Hash Function. SECRYPT 2011: 325-332
i32		Nicolas Courtois, Gregory V. Bard, Daniel Hulme: A New General-Purpose Method to Multiply 3x3 Matrices Using Only 23 Multiplications. CoRR abs/1108.2830 (2011)
i31		Nicolas Courtois: Security Evaluation of GOST 28147-89 In View Of International Standardisation. IACR Cryptology ePrint Archive 2011: 211 (2011)
i30		Nicolas Courtois, Michal Misztal: Differential Cryptanalysis of GOST. IACR Cryptology ePrint Archive 2011: 312 (2011)
i29		Nicolas Courtois, Daniel Hulme, Theodosis Mourouzis: Solving Circuit Optimisation Problems in Cryptography and Cryptanalysis. IACR Cryptology ePrint Archive 2011: 475 (2011)
i28		Nicolas Courtois: Algebraic Complexity Reduction and Cryptanalysis of GOST. IACR Cryptology ePrint Archive 2011: 626 (2011)
	2010
c36		Gregory V. Bard, Nicolas Courtois, Jorge Nakahara, Pouyan Sepehrdad, Bingsheng Zhang: Algebraic, AIDA/Cube and Side Channel Analysis of KATAN Family of Block Ciphers. INDOCRYPT 2010: 176-196
	2009
c35		Nicolas Courtois, Sean O'Neil, Jean-Jacques Quisquater: Practical Algebraic Attacks on the Hitag2 Stream Cipher. ISC 2009: 167-176
c34		Nicolas Courtois: The Dark Side of Security by Obscurity - and Cloning MiFare Classic Rail and Building Passes, Anywhere, Anytime. SECRYPT 2009: 331-338
i27		Nicolas Courtois: The Dark Side of Security by Obscurity and Cloning MiFare Classic Rail and Building Passes Anywhere, Anytime. IACR Cryptology ePrint Archive 2009: 137 (2009)
i26		Nicolas Courtois, Gregory V. Bard, Shaun Van Ault: Statistics of Random Permutations and the Cryptanalysis of Periodic Block Ciphers. IACR Cryptology ePrint Archive 2009: 186 (2009)
	2008
c33		Nicolas Courtois, Gregory V. Bard, David Wagner: Algebraic and Slide Attacks on KeeLoq. FSE 2008: 97-115
c32		Nicolas Courtois, Blandine Debraize: Algebraic Description and Simultaneous Linear Approximations of Addition in Snow 2.0.. ICICS 2008: 328-344
p2		Côme Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cédric Lauradoux, Marine Minier, Thomas Pornin, Hervé Sibert: Sosemanuk, a Fast Software-Oriented Stream Cipher. The eSTREAM Finalists 2008: 98-118
p1		Côme Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Blandine Debraize, Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cédric Lauradoux, Marine Minier, Thomas Pornin, Hervé Sibert: Decimv2. The eSTREAM Finalists 2008: 140-151
i25		Côme Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cédric Lauradoux, Marine Minier, Thomas Pornin, Hervé Sibert: SOSEMANUK: a fast software-oriented stream cipher. CoRR abs/0810.1858 (2008)
i24		Nicolas Courtois, Karsten Nohl, Sean O'Neil: Algebraic Attacks on the Crypto-1 Stream Cipher in MiFare Classic and Oyster Cards. IACR Cryptology ePrint Archive 2008: 166 (2008)
	2007
c31		Nicolas Courtois: How Fast can be Algebraic Attacks on Block Ciphers?. Symmetric Cryptography 2007
c30		Nicolas Courtois, Gregory V. Bard: Algebraic Cryptanalysis of the Data Encryption Standard. IMA Int. Conf. 2007: 152-169
c29		Nicolas Courtois, Blandine Debraize: Specific S-Box Criteria in Algebraic Attacks on Block Ciphers with Several Known Plaintexts. WEWoRC 2007: 100-113
i23		Gregory V. Bard, Nicolas Courtois, Chris Jefferson.: Efficient Methods for Conversion and Solution of Sparse Systems of Low-Degree Multivariate Polynomials over GF(2) via SAT-Solvers. IACR Cryptology ePrint Archive 2007: 24 (2007)
i22		Nicolas Courtois, Gregory V. Bard, David Wagner: Algebraic and Slide Attacks on KeeLoq. IACR Cryptology ePrint Archive 2007: 62 (2007)
i21		Nicolas Courtois: CTC2 and Fast Algebraic Attacks on Block Ciphers Revisited. IACR Cryptology ePrint Archive 2007: 152 (2007)
	2006
c28		Nicolas Courtois, Blandine Debraize, Eric Garrido: On Exact Algebraic [Non-]Immunity of S-Boxes Based on Power Functions. ACISP 2006: 76-86
i20		Nicolas Courtois: How Fast can be Algebraic Attacks on Block Ciphers ? IACR Cryptology ePrint Archive 2006: 168 (2006)
i19		Nicolas Courtois, Gregory V. Bard: Algebraic Cryptanalysis of the Data Encryption Standard. IACR Cryptology ePrint Archive 2006: 402 (2006)
	2005
c27		Aline Gouget, Hervé Sibert, Côme Berbain, Nicolas Courtois, Blandine Debraize, Chris J. Mitchell: Analysis of the Bit-Search Generator and Sequence Compression Techniques. FSE 2005: 196-214
c26		Nicolas Courtois, Louis Goubin: An Algebraic Masking Method to Protect AES Against Power Attacks. ICISC 2005: 199-209
c25		Nicolas Courtois: Cryptanalysis of Sfinks. ICISC 2005: 261-269
i18		Nicolas Courtois: The Best Differential Characteristics and Subtleties of the Biham-Shamir Attacks on DES. IACR Cryptology ePrint Archive 2005: 202 (2005)
i17		Nicolas Courtois, Blandine Debraize, Eric Garrido: On Exact Algebraic [Non-]Immunity of S-boxes Based on Power Functions. IACR Cryptology ePrint Archive 2005: 203 (2005)
i16		Nicolas Courtois, Louis Goubin: An Algebraic Masking Method to Protect AES Against Power Attacks. IACR Cryptology ePrint Archive 2005: 204 (2005)
i15		Nicolas Courtois: Cryptanalysis of Sfinks. IACR Cryptology ePrint Archive 2005: 243 (2005)
i14		Nicolas Courtois: Feistel Schemes and Bi-Linear Cryptanalysis. IACR Cryptology ePrint Archive 2005: 251 (2005)
	2004
c24		Nicolas Courtois: General Principles of Algebraic Attacks and New Design Criteria for Cipher Components. AES Conference 2004: 67-83
c23		Nicolas Courtois: The Inverse S-Box, Non-linear Polynomial Relations and Cryptanalysis of Block Ciphers. AES Conference 2004: 170-188
c22		Nicolas Courtois: Feistel Schemes and Bi-linear Cryptanalysis. CRYPTO 2004: 23-40
c21		Bo-Yin Yang, Jiun-Ming Chen, Nicolas Courtois: On Asymptotic Security Estimates in XL and Gröbner Bases-Related Algebraic Cryptanalysis. ICICS 2004: 401-413
c20		Nicolas Courtois: Algebraic Attacks on Combiners with Memory and Several Outputs. ICISC 2004: 3-20
c19		Nicolas Courtois: Algebraic Attacks over GF(2k), Application to HFE Challenge 2 and Sflash-v2. Public Key Cryptography 2004: 201-217
i13		Nicolas T. Courtois: Short Signatures, Provable Security, Generic Attacks and Computational Security of Multivariate Polynomial Schemes such as HFE, Quartz and Sflash. IACR Cryptology ePrint Archive 2004: 143 (2004)
	2003
c18		Nicolas Courtois: Fast Algebraic Attacks on Stream Ciphers with Linear Feedback. CRYPTO 2003: 176-194
c17		Nicolas Courtois, Jacques Patarin: About the XL Algorithm over GF(2). CT-RSA 2003: 141-157
c16		Nicolas Courtois, Willi Meier: Algebraic Attacks on Stream Ciphers with Linear Feedback. EUROCRYPT 2003: 345-359
c15		Mehdi-Laurent Akkar, Nicolas Courtois, Romain Duteuil, Louis Goubin: A Fast and Secure Implementation of Sflash. Public Key Cryptography 2003: 267-278
c14		Nicolas Courtois, Magnus Daum, Patrick Felke: On the Security of HFE, HFEv- and Quartz. Public Key Cryptography 2003: 337-350
c13		Nicolas Courtois: Generic Attacks and the Security of Quartz. Public Key Cryptography 2003: 351-364
i12		Nicolas T. Courtois, Robert T. Johnson, Pascal Junod, Thomas Pornin, Michael Scott: Did Filiol Break AES ? IACR Cryptology ePrint Archive 2003: 22 (2003)
i11		Nicolas T. Courtois: Algebraic Attacks on Combiners with Memory and Several Outputs. IACR Cryptology ePrint Archive 2003: 125 (2003)
i10		Nicolas T. Courtois, Guilhem Castagnos, Louis Goubin: What do DES S-boxes Say to Each Other ? IACR Cryptology ePrint Archive 2003: 184 (2003)
i9		Nicolas T. Courtois, Louis Goubin, Jacques Patarin: SFLASHv3, a fast asymmetric signature scheme. IACR Cryptology ePrint Archive 2003: 211 (2003)
	2002
c12		Nicolas Courtois, Josef Pieprzyk: Cryptanalysis of Block Ciphers with Overdefined Systems of Equations. ASIACRYPT 2002: 267-287
c11		Nicolas Courtois: Higher Order Correlation Attacks, XL Algorithm and Cryptanalysis of Toyocrypt. ICISC 2002: 182-199
c10		Nicolas Courtois, Louis Goubin, Willi Meier, Jean-Daniel Tacier: Solving Underdefined Systems of Multivariate Quadratic Equations. Public Key Cryptography 2002: 211-227
i8		Nicolas Courtois, Josef Pieprzyk: Cryptanalysis of Block Ciphers with Overdefined Systems of Equations. IACR Cryptology ePrint Archive 2002: 44 (2002)
i7		Nicolas T. Courtois: Higher Order Correlation Attacks, XL algorithm and Cryptanalysis of Toyocrypt. IACR Cryptology ePrint Archive 2002: 87 (2002)
i6		Nicolas T. Courtois, Magnus Daum, Patrick Felke: On the Security of HFE, HFEv- and Quartz. IACR Cryptology ePrint Archive 2002: 138 (2002)
i5		Nicolas T. Courtois: About Filliol's Observations on DES, AES and Hash Functions (draft). IACR Cryptology ePrint Archive 2002: 149 (2002)
	2001
c9		Nicolas Courtois, Matthieu Finiasz, Nicolas Sendrier: How to Achieve a McEliece-Based Digital Signature Scheme. ASIACRYPT 2001: 157-174
c8		Nicolas Courtois: Efficient Zero-Knowledge Authentication Based on a Linear Algebra Problem MinRank. ASIACRYPT 2001: 402-421
c7		Nicolas Courtois: The Security of Hidden Field Equations (HFE). CT-RSA 2001: 266-281
c6		Jacques Patarin, Nicolas Courtois, Louis Goubin: QUARTZ, 128-Bit Long Digital Signatures. CT-RSA 2001: 282-297
c5		Jacques Patarin, Nicolas Courtois, Louis Goubin: FLASH, a Fast Multivariate Signature Algorithm. CT-RSA 2001: 298-307
i4		Nicolas T. Courtois: MinRank problem and Zero-knowledge authentication. IACR Cryptology ePrint Archive 2001: 4 (2001)
i3		Nicolas Courtois, Matthieu Finiasz, Nicolas Sendrier: How to achieve a McEliece-based Digital Signature Scheme. IACR Cryptology ePrint Archive 2001: 10 (2001)
i2		Nicolas T. Courtois: On multivariate signature-only public key cryptosystems. IACR Cryptology ePrint Archive 2001: 29 (2001)
i1		Nicolas T. Courtois: Efficient Zero-knowledge Authentication Based on a Linear Algebra Problem MinRank. IACR Cryptology ePrint Archive 2001: 58 (2001)
	2000
c4		Louis Goubin, Nicolas Courtois: Cryptanalysis of the TTM Cryptosystem. ASIACRYPT 2000: 44-57
c3		Nicolas Courtois, Alexander Klimov, Jacques Patarin, Adi Shamir: Efficient Algorithms for Solving Overdefined Systems of Multivariate Polynomial Equations. EUROCRYPT 2000: 392-407
	1998
c2		Jacques Patarin, Louis Goubin, Nicolas Courtois: C*-+ and HM: Variations Around Two Schemes of T. Matsumoto and H. Imai. ASIACRYPT 1998: 35-49
c1		Jacques Patarin, Louis Goubin, Nicolas Courtois: Improved Algorithms for Isomorphisms of Polynomials. EUROCRYPT 1998: 184-200

Coauthor Index

Colors in the list of coauthors

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