• [Sep 2025] I was invited to the PC member of ACISP 2026.
  
  

• [Sep 2025] A paper was accepted at IEEE Access.
  - Cryptanalysis and Modification of Yang et al.'s Certificateless Multi-User Matchmaking Encryption Scheme
      w/ Jiseung Kim
  
  

• [Sep 2025] A paper was accepted at ICTC 2025.
  - A Brief Survey of Two Recent Polynomial Commitment Scheme from Lattices
      w/ Minuk Ban
  
  

• [Aug 2025] A paper was accepted at IEEE Transactions on Services Computing.
  - Comment on "RCME: A Reputation Incentive Committee-Based for Matchmaking Encryption in IoT Healthcare"
      w/ Jiseung Kim
  
  

• [Jul 2025] I was invited to the PC member of ICISC 2025.
  
  

• [May 2025] A paper was accepted at IEEE Access.
  - An Efficient and Generic Construction of Public Key Encryption with Equality Test under the Random Oracle Mdoel
      w/ Seongbong Choi and ChanHyeok Park
  
  

• [Mar 2025] A paper was accepted at ESORICS 2025.
  - Efficient One-Pass Private Set Intersection from Pairings with Offline Preprocessing
      w/ Joonsang Baek, Seongbong Choi, Willy Susilo, and Partha Sarathi Roy
  
  

• [Jan 2025] I was invited to the PC member of ISC 2025. 

• Sep 2021 - Present    Assistant/Associate Professor at Chung-Ang University, Republic of Korea

• Sep 2017 - Aug 2021  Assistant Professor at Jeonbuk National University, Republic of Korea

• May 2014 - Aug 2017 Research Fellow at Nanyang Technological University, Singapore

• Mar 2013 - Feb 2014 Postdoctoral Researcher at Seoul National University, Republic of Korea

• Mar 2008 - Feb 2013  Ph.D in mathematics, Seoul National University, Republic of Korea
  - Thesis: Polynomial Factorization and Its Applications
  - Supervisor: Jung Hee Cheon

• Mar 2006 - Feb 2008 M. Sc. in Mathematics, Seoul National University, Republic of Korea
  - Thesis: Efficient Unlinkable BKS Scheme using Precomputation
  - Supervisor: Jung Hee Cheon 

• Mar 2001 - Feb 2006 B. S. in Mathematics, Seoul National University, Republic of Korea

Program Committee Members

• ASIACRYPT 2023, 2021, 2020, 2016

• ACISP 2026-2022

• APKC 2025-2018

• CT-RSA 2023

• ICISC 2025, 2022-2020, 2018-2014

• ISC 2025

• IWSEC 2017-2015

• ProvSec 2021-2018