Welcome!

I am leading Cryptology & Algorithm Laboratory at Hanyang University. Prior to joining Hanyang university, I was with Myongji university for 5 years and National Institute of Information and Communications Technology (NICT) for about 2 years. Before that, I finished my ph.d. degree at Seoul National University in Feb. 2011. 

I am interested not only in algorithm design, but also in all attempts to understand why and how algorithms work. 

Recently, my research group has been intensively exploring deep learning algorithms and zero-knowledge proof systems.

Openings

Now Cryptology & Algorithm Laboratory is hiring highly motivated (under)graduate students with a background in computer science/engineering and mathematics or other related majors.

There are PhD/MS position openings for zero-knowledge proof and deep learning based biometric authentication.  

• There are two departments in Hanyang University through which you can join C&A lab. 

  • Mathematics(수학과)/College of Natural Science 

  • Information Security(정보보안학과)/College of Engineering

Please contact me via email given the above if you are interested in joining Cryptology & Algorithm Laboratory.

NEWS 

• June

  1. A research paper collaborated with UTK and KU has been accepted to ESORICS 2025.
     
     UTRA: Universal Token Reusability Attack and Token Unforgeable Delegatable Order-Revealing Encryption
     Jaehwan Park, Hyeonbum Lee, Junbeom Hur, Jae Hong Seo and Doowon Kim
     
     

  2. A research paper supported and collaborated with CRYPTOLAB, INC. has been accepted to ICCV 2025.

IDFACE: Face Template Protection for Secure and Efficient Identification

   Sunpill Kim, Seunghun Paik, Chanwoo Hwang, Dongsoo Kim, Junbum Shin, and Jae Hong Seo

• March

  1. I will be serving as the head of the Department of Mathematics at Hanyang University for two years.

• February

  1. New research project begins with support from "암호연구회".
     A Study on Adversarial Attacks and Security of Commercial Face Recognition APIs

NEWS (past)

Honors and Awards

• Top (대상 2022, 2012), Second (최우수 2013), Third (우수 2024, 2023), Participant (장려 2023, 2020, 2006), Special (특별 2023, 2022, 2021) Prizes in the National Cryptographic Technology Contest, National Intelligence Service, Korea.

• Excellent Young Researcher Award, NRF & Elsevier, 2018.

• Sang-San Young Mathematician Award, Korean Mathematical Society, 2012. 

Professional Activities

• PC Member of international conferences including CRYPTO, ASIACRYPT, and PKC.

• Program chairing of ICISC, APKC, and Mathcrypt

All Publications (Click)

* For the details, see my CV and visit the following links.

DBLP

Google Scholar