Talks

2022

  • Evolution of Cryptanalysis: Security Updates on SHA-3 and AES Hashing
    Invited talk at Asiacrypt 2022, Taipei, 7th December 2022.

  • Key Structures: Improved Related-Key Boomerang Attack against the Full AES-256
    ACISP 2022, Wollongong, Australia, 30 Nov 2022. (Best Paper Award)

2019

2018

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

    • Recent Advances in Analysis of HMAC
      Invited talk at Inscrypt 2014, Beijing, China, 15 Dec 201.
      Invited talk at ASK 2014, Chennai, India, 22 Dec 2014.
      Slides

    • Postdoc Recruitment in Nanyang Technological University, Singapore
      Rump session at Asiacrypt 2014, Kaohsiung, Taiwan. 09 Dec 2014.
      Slides

    • CAESAR candidate Marble
      DIAC 2014, University of California, Santa Barbara. 24 August 2014.
      Slides

    • Key Recovery Attack against HMAC/NMAC with Reduced Whirlpool
      Invited talk at Dagstuhl Seminar on Symmetric Cryptography 2014, Germany. 07 Jan 2014
      Slides

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