Research papers

• VLSI characterization of the cryptographic hash function BLAKE
  Luca Henzen, JPA, Willi Meier, Raphael C.-W. Phan
  IEEE Transactions on Very Large Scale Integration Systems

• Distinguisher for full final round of Fugue-256
  JPA, Raphael C.-W. Phan
  Second SHA-3 Conference

• Quark: a lightweight hash
  JPA, Luca Henzen, Willi Meier, María Naya-Plasencia
  Cryptographic Hardware and Embedded Systems (CHES) 2010

• Distinguishers for the compression function and output transformation of Hamsi-256
  JPA, Emilia Käsper, Lars Ramkilde Knudsen, Krystian Matusiewicz, Rune Ødegaard, Thomas Peyrin, Martin Schläffer
  15th Australasian Conference on Information Security and Privacy (ACISP 2010)
  Cryptology ePrint archive, report 2010/091

• Practical distinguisher for the compression function of Blue Midnight Wish
  JPA
  Comment on the NIST Hash Competition, 2010

• Differential and invertibility properties of BLAKE
  JPA, Jian Guo, Simon Knellwolf, Krystian Matusiewicz, Willi Meier
  Fast Software Encryption (FSE) 2010
  Cryptology ePrint archive, report 2010/043

• Cryptanalysis of ESSENCE
  María Naya-Plasencia, Andrea Röck, JPA, Yann Laigle-Chapuy, Gaëtan Leurent, Willi Meier, Thomas Peyrin
  Fast Software Encryption (FSE) 2010
  Cryptology ePrint archive, report 2009/302

• Cryptanalysis of the ESSENCE family of hash functions
  Nicky Mouha, Gautham Sekar, JPA, Thomas Peyrin, Søren S. Thomsen, Meltem Sönmez Turan, Bart Preneel
  Inscrypt 2009

• Design and analysis of symmetric cryptographic algorithms
  JPA
  PhD thesis, EPFL, 2009

• Zero-sum distinguishers for reduced Keccak-f and for the core functions of Luffa and Hamsi
  JPA, Willi Meier
  Comment on the NIST Hash Competition, 2009
  Awarded the coffee machine prize for the most interesting cryptanalysis of Keccak by the Keccak Team

• Improved cryptanalysis of Skein
  JPA, Çağdaş Çalık, Willi Meier, Onur Özen, Raphael C.-W. Phan, Kerem Varıcı
  Asiacrypt 2009
  Cryptology ePrint archive, report 2009/438

• Efficient FPGA implementations of high-dimensional cube testers on the stream cipher Grain-128
  JPA, Itai Dinur, Luca Henzen, Willi Meier, Adi Shamir
  SHARCS 2009
  Cryptology ePrint archive, report 2009/218

• Cryptanalysis of Dynamic SHA(2)
  JPA, Orr Dunkelman, Sebastiaan Indesteege, Bart Preneel
  Selected Areas in Cryptography (SAC) 2009
  Cryptology ePrint archive, report 2009/184

• Cryptanalysis of the MCSSHA hash functions
  JPA, María Naya-Plasencia
  WEWoRC 2009

• First analysis of Keccak
  JPA, Dmitry Khovratovich
  Comment on the NIST Hash Competition, 2009
  Awarded the 25-beer prize for the best cryptanalysis of Keccak by the Keccak Team

• Security and privacy preservation in human-involved networks
  Craig Asher, JPA, Raphael C.-W. Phan
  iNetSec 2009

• More on Shabal's permutation
  JPA, Atefeh Mashatan, Willi Meier
  Comment on the NIST Hash Competition, 2009

• Inside the hypercube
  JPA, Eric Brier, Willi Meier, María Naya-Plasencia, Thomas Peyrin
  14th Australasian Conference on Information Security and Privacy (ACISP 2009)
  Cryptology ePrint archive, report 2008/486
  Awarded the €100 prize for the most interesting cryptanalysis of CubeHash by Daniel J. Bernstein

• Cryptanalysis of Vortex
  JPA, Orr Dunkelman, Florian Mendel, Christian Rechberger, Søren S. Thomsen
  Africacrypt 2009

• Cube testers and key recovery attacks on reduced-round MD6 and Trivium
  JPA, Itai Dinur, Willi Meier, Adi Shamir
  Fast Software Encryption (FSE) 2009
  Also appeared in Schloss Dagstuhl seminar proceedings

• Cryptanalysis of the ISDB scrambling algorithm (MULTI2)
  JPA, Jorge Nakahara Jr., Pouyan Sepehrdad
  Fast Software Encryption (FSE) 2009

• On the pseudorandomness of Shabal's keyed permutation
  JPA
  Comment on the NIST Hash Competition, 2009

• VLSI implementations of the cryptographic hash functions MD6 and ïrRUPT
  Luca Henzen, Flavio Carbognani, JPA, Sean O'Neil, Wolfgang Fichtner
  IEEE ISCAS 2009

• On hashing with tweakable ciphers
  Raphael C.-W. Phan, JPA
  IEEE ICC 2009

• Cryptanalysis of a hash function based on norm form equations
  JPA
  Cryptologia, 33(1):1-4, 2009

• A note on Vortex' security
  JPA, Orr Dunkelman
  Comment on the NIST Hash Competition, 2008

• Second preimages on MCSSHA-3
  JPA, María Naya-Plasencia
  Comment on the NIST Hash Competition, 2008

• SHA-3 proposal BLAKE
  JPA, Luca Henzen, Willi Meier, Raphael C.-W. Phan
  Candidate to the NIST Hash Competition, 2008

• Faster multicollisions
  JPA
  INDOCRYPT 2008
  Previously accepted to SECRYPT 2008, but withdrawn because unable to attend the conference

• Preimage attacks on 3-pass HAVAL and step-reduced MD5
  JPA, Willi Meier, Florian Mendel
  Selected Areas in Cryptography (SAC) 2008
  Cryptology ePrint archive, report 2008/183

• How (not) to efficiently dither blockcipher-based hash functions?
  JPA, Raphael C.-W. Phan
  Africacrypt 2008

• Next generation networks: human-aided and privacy-driven
  Raphael C.-W. Phan, JPA
  ITU-T "Innovations in NGN" Kaleidoscope Conference, 2008

• The hash function family LAKE
  JPA, Willi Meier, Raphael C.-W. Phan
  Fast Software Encryption (FSE) 2008

• New features of Latin dances: analysis of Salsa, Chacha, and Rumba
  JPA, Simon Fischer, Shahram Khazaei, Willi Meier, Christian Rechberger.
  Fast Software Encryption (FSE) 2008
  Cryptology ePrint archive, report 2007/472
  Awarded the $1000 prize for the most interesting cryptanalysis of Rumba20 by Daniel J. Bernstein

• Analysis of multivariate hash functions
  JPA, Willi Meier
  10th International Conference on Information Security and Cryptology (ICISC 2007)

• TCHo: a hardware-oriented trapdoor cipher
  JPA, Matthieu Finiasz, Willi Meier, Serge Vaudenay.
  12th Australasian Conference on Information Security and Privacy (ACISP 2007)

• Adaptive learning search, a new tool to help comprehending metaheuristics
  Johann Dréo, JPA, Patrick Siarry, Walid Tfaili.
  International Journal on Artificial Intelligence Tools 16(3):483-505, 2007

• On a bias of Rabbit
  JPA
  The State of the Art of Stream Ciphers (SASC 2007)
  Awarded the $1000 prize for the best analysis of Rabbit by Cryptico

• On the pseudo-random generator ISAAC
  JPA
  Cryptology ePrint archive, report 2006/438

• A novel asymmetric scheme with stream cipher construction
  JPA
  Master's thesis, EPFL, Université Paris VII, 2006

• Conception d'un module de test de métaheuristiques
  JPA
  Undergraduate thesis, Université Paris XII, Université Cergy-Pontoise, 2005