Atsushi Takayasu is a Ph.D. Student in the University of Tokyo, a Collaborative Researcher in National Institute of Advanced Industrial Science and Technology (AIST), and a JSPS Research Fellow (DC1). His research interests are in the area of cryptography and information security. His specialized research topics include lattice-based cryptanalysis. He received his M.S. in complexity science and engineering from the University of Tokyo in Japan in 2014. He received the Best Student Paper Award in ACISP 2016.