Talks

2017
  • Meet-in-the-Middle Attacks on Classes of Contracting and Expanding Feistel Constructions
    FSE 2017, Tokyo, Japan. 06 March 2017.
    Slides

  • S-box Linearization: Applications to Collision and Preimage Attacks against Round-Reduced Keccak
    Invited talk at Early Symmetric Crypto 2017, Luxembourg, 18 Jan 2017.
    Slides
2016
2015
  • Meet-in-the-Middle Attack against Feistel Constructions
    Invited talk at 密码算法前沿论坛 (Cryptographic Algorithm Frontier Forum),Beijing, China, 04 July 2015.
2014
2013
  • Cryptanalysis of HMAC/NMAC-Whirlpool
    ASIACRYPT 2013, Bangalore, India. 04 Dec 2013
    Slides

  • Equivalent Key Recovery Attacks against HMAC and NMAC with Whirlpool Reduced to 7 Rounds
  • Announcement at ASIACRYPT 2013 Rump Session. 03 Dec 2013
    Slides

  • Implementing Lightweight Block Ciphers on x86 Architectures
    Invited talk at ASK 2013, Weihai, Shandong, China. 27 August 2013
    Slides

  • Implementing Lightweight Block Ciphers on x86 Architectures
    SAC 2013, Vancouver, Canada. 15 August 2013
    Slides
2012
  • Key Recovery Attack on HMAC/NMAC based on Reduced Whirlpool
    Invited talk at Tsinghua University, China. 28 Nov 2012
    Slides

  • Unaligned Rebound Attack - Application to Keccak
    Invited talk at TCCM-CACR, Chengdu, China. 24 Nov 2012
    Slides

  • Recent Advances in Meet-in-the-Middle Attacks
    Invited talk at ASK 2012, Nagoya, Japan. 27 August 2012
    Slides
2011
  • Linearization and Message Modification Techniques for Hash Function Cryptanalysis
    Invited talk at ASK 2011, Singapore. 30 August 2011
    Slides

  • The PHOTON Family of Lightweight Hash Functions
    CRYPTO 2011, USA. 15 August 2011; Invited Talk at Tsinghua University, China. June 2011
    Slides

  • Improved Meet-in-the-Middle Cryptanalysis of KTANTAN
    ACISP 2011, Melbourne, Australia. 12 July 2011
    Slides

  • An Introduction to Cryptographic Hash Functions
    Invited talk at IMS-NTU workshop on Coding and Cryptography, Singapore. 23 May 2011.
    Slides

  • Differential Properties of BLAKE
    Invited talk at ISCAS, China, Beijing, China. 14 Mar 2011.
2010
  • Advaced Meet-in-the-Middle Preimage Attacks: First Results on Full Tiger, and Improved Results on MD4 and SHA-2
    ASIACRYPT2010, 06 Dec 2010 & ISCAS, Beijing, China, 14 Mar 2011.
    Slides

  • Differential and Invertibility Properties of BLAKE
    CCRG, NTU, Singapore. 18 Jan 2010 & FSE 2010, Seoul, South Korea. 09 Feb 2010.
    Slides
2009