In journals

  1. Short Non-Malleable Codes from Related-Key Secure Block Ciphers

    Serge Fehr, Pierre Karpman, Bart Mennink IACR Transactions on Symmetric Cryptology, Vol. 2018, Issue 1
    Presented at the International Conference on Fast Software Encryption 2018 — FSE 2018
    5–7 March 2018, Bruges, Belgium [Slides] [Video]
    Full version: Eprint 2018/204 [PDF]

  2. Key-Recovery Attacks on ASASA

    Brice Minaud, Patrick Derbez, Pierre-Alain Fouque, Pierre Karpman Journal of Cryptology, Vol. 31, Issue 3
top

In conferences

  1. Time-Memory tradeoffs for large-weight syndrome decoding in ternary codes

    Pierre Karpman, Charlotte Lefevre International Conference on Practice and Theory of Public-Key Cryptography 2022 — PKC 2022
    7–11 March 2022, Virtual Yokohama, Virtual Japan
    Springer, LNCS #13177, 2022.
    Full version: Eprint 2022/128 [PDF]
    Software: GitHub

  2. Computing the Characteristic Polynomial of Generic Toeplitz-like and Hankel-like Matrices

    Pierre Karpman, Clément Pernet, Hippolyte Signargout, Gilles Villard International Symposium on Symbolic and Algebraic Computation 2021 — ISSAC 2021
    18–23 July 2021, St-Petersburg, Russia / Virtual
    Full Version: HAL-03189115 [PDF]

  3. Fast verification of masking schemes in characteristic two

    Nicolas Bordes, Pierre Karpman International Conference on the Theory and Application of Cryptographic Techniques 2021 — EUROCRYPT 2021
    17–21 October 2021, Zagreb, Croatia
    Springer, LNCS #12697, 2021.
    Full version: Eprint 2019/1165 [PDF]
    Software: GitHub

  4. New Instantiations of the CRYPTO 2017 Masking Schemes

    Pierre Karpman, Daniel S. Roche International Conference on the Theory and Application of Cryptology and Information Security 2018 — ASIACRYPT AUSCRYPT 2018
    2–6 December 2018, Brisbane, QLD, Australia [Slides]
    Springer, LNCS #11273, 2018.
    Full version: Eprint 2018/492 [PDF]

  5. The first collision for full SHA-1

    Marc Stevens, Elie Bursztein, Pierre Karpman, Ange Albertini, Yarik Markov International Cryptology Conference 2017 — CRYPTO 2017
    20–24 August 2017, Santa-Barbara, CA, USA
    Springer, LNCS #10401, 2017.
    Full version: Eprint 2017/190 [PDF]
    Also see the presentation at RWC 2018 [Slides] [Video]
    Software: GitHub

  6. Efficient and Provable White-Box Primitives

    Pierre-Alain Fouque, Pierre Karpman, Paul Kirchner, Brice Minaud International Conference on the Theory and Application of Cryptology and Information Security 2016 — ASIACRYPT 2016
    4–8 December 2016, Hanoi, Vietnam [Slides] [Video]
    Springer, LNCS #10031, 2016.
    Full version: Eprint 2016/642 [PDF]

  7. Freestart collision for full SHA-1

    Marc Stevens, Pierre Karpman, Thomas Peyrin International Conference on the Theory and Application of Cryptographic Techniques 2016 — EUROCRYPT 2016
    8–12 May 2016, Vienna, Austria
    Springer, LNCS #9665, 2016.
    Full version: Eprint 2015/967 [PDF]
    Software: GitHub

  8. Key-Recovery Attacks on ASASA

    Brice Minaud, Patrick Derbez, Pierre-Alain Fouque, Pierre Karpman International Conference on the Theory and Application of Cryptology and Information Security 2015 — ASIACRYPT KIWICRYPT 2015
    29 November – 3 December 2015, Auckland, New Zealand
    Springer, LNCS #9453, 2015.
    Full version: Eprint 2015/516 [PDF]
    Software: Inria Gforge

  9. From Distinguishers to Key Recovery: Improved Related-Key Attacks on Even-Mansour

    Pierre Karpman Information Security Conference 2015 — ISC 2015
    9–11 September 2015, Trondheim, Norway [Slides]
    Springer, LNCS #9290, 2015.
    Full version: Eprint 2015/134 [PDF]
    Software: GitHub

  10. Practical Free-Start Collision Attacks on 76-step SHA-1

    Pierre Karpman, Thomas Peyrin, Marc Stevens International Cryptology Conference 2015 — CRYPTO 2015
    16–20 August 2015, Santa-Barbara, CA, USA [Slides] [Version française]
    Springer, LNCS #9215, 2015.
    Full version: Eprint 2015/530 [PDF]
    Software: GitHub

  11. Higher-Order Differential Meet-in-The-Middle Preimage Attacks on SHA-1 and BLAKE

    Thomas Espitau, Pierre-Alain Fouque, Pierre Karpman International Cryptology Conference 2015 — CRYPTO 2015
    16–20 August 2015, Santa-Barbara, CA, USA
    Springer, LNCS #9215, 2015.
    Full version: Eprint 2015/515 [PDF]

  12. Diffusion Matrices from Algebraic-Geometry Codes with Efficient SIMD Implementation

    Daniel Augot, Pierre-Alain Fouque, Pierre Karpman Selected Areas in Cryptography 2014 — SAC 2014
    14–15 August 2014, Montréal, QC, Canada [Slides]
    Springer, LNCS #8781, 2014.
    Full version: Eprint 2014/551 [PDF]
    Software: GitHub

  13. Analysis of BLAKE2

    Jian Guo, Pierre Karpman, Ivica Nikolić, Lei Wang, Shuang Wu Cryptographers' Track at the RSA Conference 2014 — CT-RSA 2014
    24–28 February 2014, San-Francisco, CA, USA [Slides]
    Springer, LNCS #8366, 2014.
    Full version: Eprint 2013/467 [PDF]

  14. Security Amplification against Meet-in-the-Middle Attacks Using Whitening

    Pierre-Alain Fouque, Pierre Karpman Fourteenth IMA conference on Cryptography and Coding — IMA CC 2013
    17–19 December 2013, Oxford, UK [Slides]
    Springer, LNCS #8308, 2013.
    Full version: Eprint 2013/618 [PDF]
top

In workshops

  1. The Littlun S-box and the Fly block cipher

    Pierre Karpman, Benjamin Grégoire The NIST Lightweight Cryptography Workshop 2016 — LCW 2016
    16–17 October 2016, Gaithersburg, MD, USA [Slides]
    Full version: HAL-03543497 [PDF]

top

Drafts

  1. A constant-time sampler for close-to-uniform bitsliced ternary vectors

    Pierre Karpman Grenoble, 2022.
    HAL-03543497 [PDF]

top

PhD thesis

  1. Analyse de primitives symétriques

    Université Paris-Saclay, 2016
    Defended on November 18, 2016 at Palaiseau [Manuscript (TEL version)] [Slides]
    This is the poster advertising the defense, courtesy of Brice Minaud
top

Œuvres de jeunesse (various reports)

  1. Building up on SIDAN: improved and new invariants for a software hardening Frama-C plugin

    MRI, ENS Cachan & UR1, Rennes, 2012 [PDF]
    This work was also presented as a short talk at SSTIC 2012 [Slides (in French)]

  2. Metadata management for EIS

    UR1 & ENS Cachan, Rennes, 2011 [PDF]

  3. Arithmétique de Nim

    Chambéry, 2008 [PDF]
top

Last updated on 2022-09-15.