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
- Preimages for Step-Reduced SHA-2
CCRG, NTU, Singapore. 25 Nov 2009 & ASIACRYPT 2009, Tokyo, Japan. 10 Dec 2009.
Slides
- Round-Reduced Near-Collisions of BLAKE-32
Graz University of Technology, Austria, 06 August 2009. Slides
- Preimages for Step-Reduced SHA-2
Graz University of Technology, Austria, 31 July 2009. Slides
- Preimages for Step-Reduced SHA-2
Technical University of Denmark, Denmark. 29 May 2009. Slides
- Collisions for Round-Reduced BLAKE-32
Technical University of Denmark, Denmark. 17 April 2009. Slides
- Cryptanalysis of the LAKE Hash Family
FSE 2009, Leuven, Belgium, 23 Feb 2009. Slides
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