GUO Jian

GUO Jian is an Associate Professor at Nanyang Technological University, School of Physical and Mathematical Sciences, Department of Mathematics. He serves as Co-Director of the Masters in Cyber Security program and holds a PhD from Nanyang Technological University. His research interests include Cryptography and Security. His profile and contact details can be found on the department's website.

Jian Guo is a researcher specializing in Cryptography, Cryptanalysis, and Cyber Security. His work focuses on the analysis and design of cryptographic algorithms, including block ciphers, hash functions, and authenticated encryption schemes. Guo has contributed to the understanding of lightweight cryptographic primitives such as the PHOTON family of hash functions and the LED block cipher. His research includes advanced cryptanalytic techniques like meet-in-the-middle attacks, invariant subspace attacks, and differential-neural cryptanalysis. He has also explored the security of AES-like structures and the resistance of S-box designs against various attacks. His publications highlight the importance of provable security evaluations and practical collision attacks on cryptographic hash functions.