News (Past)

• 2025

• December

  1. The following paper has been accepted for publication in IEEE T-BIOM; it is an extended version of the work previously presented at ECCV 2024.

     1. Towards Certifiably Robust Face Recognition: Analyses and Improvements

     2. Seunghun Paik, Dongsoo Kim, Chanwoo Hwang, Sunpill Kim, and Jae Hong Seo

  2.  The following paper has been accepted for publication in IEEE ACCESS.

     1. Doubly Efficient Fuzzy Private Set Intersection for High-dimensional Data with Cosine Similarity

     2. Hyunjung Son, Seunghun Paik, Yunki Kim, Sunpill Kim, Heewon Chung, and Jae Hong Seo

• November

  1. One paper has been accepted to IEEE TDSC.

     1. On the Reversibility of Locality-Sensitive Hashing-based Biometric Template Protections

     2. Seunghun Paik, Chanwoo Hwang, Sunpill Kim, and Jae Hong  Seo

  2. One paper has been accepted to ASIACCS 2026.

     1. Scalable Private Set Intersection over Distributed Encrypted Data

     2. Seunghun Paik, Nirajan Koirala, Jack Nero, Hyunjung Son, Yunki Kim, Jae Hong Seo, and Taeho Jung 

• October

  1. A research paper collaborated with U. of Notre Dame (Prof. Jung's group) has been accepted to NDSS 2026.

     1. Select-Then-Compute: Encrypted Label Selection and Analytics over Distributed Datasets using FHE
        Nirajan Koirala, Seunghun Paik, Sam Martin, Helena Berens, Tasha Januszewicz, Jonathan Takeshita, Jae Hong Seo, and Taeho Jung

• September

  1. The contributions of the following researches were recognized at the National Cryptographic Technology Contest of Korea in 2025.

     1. Scalable Private Membership Test over Distributed and Encrypted Data. Excellence Award

     2. Non-Adaptive Adversarial Face Generation. Special Award

     3. Scores Know Bob’s Voice: Non-Adaptive Speaker Impersonation Attack. Special Award

  2. A paper has been accepted to NeurIPS 2025.

     1. Non-Adaptive Adversarial Face Generation
        Sunpill Kim, Seunghun Paik, Chanwoo Hwang, Minsu Kim, and Jae Hong Seo

  3. Two survey papers have been accepted to ICTC 2025.

     1. A Survey of Model Inversion Attacks on Image Domain

Changjin Kim, Chanwoo Hwang, Sunpill Kim, and Jae Hong Seo

• 3. 2. A Survey on Fuzzy Private Set Intersection Protocols

Yunki Kim, Hyunjung Son, Seunghun Paik, and Jae Hong Seo

• July

  1. I will serve as a program committee member for ICISC 2025.

• June

  1. A research paper collaborated with UTK and KU has been accepted to ESORICS 2025.

     1. 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.

     1. 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

• 2024

• December

  2. 1. A paper is finally accepted at Pattern Recognition.
        It's been a long journey since submitting the paper in September 2022!!  I would like to thank my student, Sunpill Kim, for enduring the long journey as the first author.
        Deep Face Template Protection in the Wild

• July

  2. 1. A paper is accepted at ECCV'24.
        Towards Certifiably Robust Face Recognition

• June

  2. 1. One of my students, Seunghun Paik, presents the following result at CISC-S'24.
        On the Certifiable Robustness of Face Recognition Systems

• April

  2. 1. One of my students, Hyeonbum Lee, presents our research paper entitled "On the Security of Nova Recursive Proof System" at the 6th ZKPOOF workshop in Berlin, May 22-24.

• March

  2. 1. Can drop "Associate" from March

     2. A paper is accepted as a poster for IEEE ICBC'24.
        PrivHChain: Monitoring the Supply Chain of Controlled Substances with Privacy-Preserving Hierarchical Blockchain

• January

  2. 1. I will be visiting UC Irvine, USA for my sabbatical year in 2024.

• 2023

• October

  1. The result of joint research with two students of C&A Lab, Sunpill Kim and Bora Jeong, and researchers of A*STAR has been accepted for presentation at the 45th IEEE Symposium on Security and Privacy (IEEE S&P 2024).
     Title: "Scores Tell Everything about Bob: Non-adaptive Face Reconstruction on Face Recognition Systems"

  2. The following papers won the excellence, encourangement, & special prizes respectively at "National Cryptographic Technology Contest, 2023".

     2. 1. 1. 1. Sunpill Kim, Seunghun Paik, Chanwoo Hwang, Dongsu Kim, Junbum Shin, and Jae Hong Seo
                 IDFace: Efficient and Secure Identification for Face Images

              2. Sunpill Kim, Yong Kiam Tan, Bora Jeong, Soumik Mondal, Khin Mi Mi Aung, and Jae Hong Seo
                 Scores Tell Everything about Bob: Non-adaptive Face Reconstruction on Face Recognition Systems

              3. Hyeonbum Lee, Kyuhwan Lee, Jae Hong Seo, Wenyi Tang, Shankha Shubhra Mukherjee, and Taeho Jung
                 PrivHChain: Monitoring the Supply Chain of Controlled Substances with Privacy-Preserving Hierarchical Blockchain

• August

  1. One paper co-authored with my passionate students, Seunghun Paik and Sunpill Kim, was accepted at the 34th British Machine Vision Conference (BMVC 2023)  (Oral)
     Title: "Security Analysis on Locality-Sensitive Hashing-Based Biometric Template Protection Schemes"

• July

  1. I join the program committee of ICISC 2023.

  2. The result of joint research with Professor Sungwook Kim and two students of C&A Lab, Hyeonbum Lee and Gwangwoon Lee, has been accepted for publication in IEEE TIFS.
     Title: "Leopard: Sublinear Verifier Inner Product Argument under Discrete Logarithm Assumption "

• May

  1. One paper co-authored with my passionate student, Hyeonbum Lee, was accepted at IWSEC 2022.
     It improves our paper on "DLP-based ZKP with sublogarithmic proof or sublinear verifier paper" presented at ASIACRYPT 2022.
     Title: "TENET : Sublogarithmic Proof, Sublinear Verifier Inner Product Argument without a Trusted Setup", 

• April

  1. The result of joint research with Professor Hyung Tae Lee has been accepted for publication in Designs, Codes and Cryptography.
     Title: "On the Security of Functional Encryption in the Generic Group Model", 

  2. I join the program committee of ASIACRYPT 2023.

• March

  1. I join the program committee of PQCrypto 2023.

2022

• November

  • 1. The following paper is  accepted  for publication in  IEEE Access.
       Bora Jeong, Sunpill Kim, Seunghun Paik and Jae Hong Seo*
       Analysis on Secure Triplet Loss

• October

1. I will serve as a program committee member of PKC (Call for Papers).

• September

  • • The following papers won the grand & special prizes respectively at "National Cryptographic Technology Contest, 2022".

      1. Title: Non-Pairing Sublinear Verifiable Zero-Knowledge Arguments in Discrete Logarithm Setting
                       Hyeonbum Lee, Sungwook Kim, and Jae Hong Seo

      2. Title: Deep Face Template Protection in the Wild
                       Sunpill Kim, Hoyong Shin, and Jae Hong Seo

• August

1. The following paper has been accepted for presentation at the ASIACRYPT 2022.
   Sungwook Kim, Hyeonbum Lee, and Jae Hong Seo*; [alphabetical order]
   Efficient Zero-Knowledge Arguments in Discrete Logarithm Setting: Sublogarithmic Proof or Sublinear Verifier

• July

  • 1. My research team (Sunpil Kim, Bora Jeong, Chanwoo Hwang, Dongsu Kim, Seunghun Paik)  will be supported financially by CryptoLab.
       Research Topic: Search on Encrypted Face Templates

• June

1. The following paper has been accepted as a regular paper (acceptance rate=15.8%) for presentation at the IEEE Blockchain 2022.
   Chanyang Ju, Wenyi Tang, Changhao Chenli, Gwangwoon Lee, Jae Hong Seo, and Taeho Jung,
   Monitoring Provenance of Delegated Personal Data With Blockchain 

• Apr.

  • 1. The following paper is  accepted  for publication in  IEEE Access.
       Heewon Chung, Kyoohyung Han, Chanyang Ju, Myungsun Kim, and Jae Hong Seo*; [alphabetical order]
       Bulletproofs+: Shorter Proofs for a Privacy-Enhanced Distributed Ledger.

2. I will serve as a program committee member of PQCrypto (Call for Papers) and ICISC (http://icisc.org/).

• Feb.

1. My research team (Sunpil Kim, Hyeonbum Lee, Chanwoo Hwang, Dongsu Kim, Bora Jeong, Seunghun Paik)  will be supported financially by KIISC.
   Research Topic: Deep Learning-based Face Recognition Protection

2021

• Dec.

  • 1. The following paper is accepted for publication in IEEE ACCESS.
       Chanyang Ju , Hyeonbum Lee , Heewon Chung , Jae Hong Seo, and Sungwook Kim, Efficient Sum-Check Protocol for Convolution

• Sep.

1. I  join in a collaborative research with Prof. Yongsoo Song (SNU) and Prof. Miran Kim (UNIST), which will be  funded by Samsung Science & Technology Foundation for 3 years
   Project Title: Secure Multi-Party Approximate Computation

• May

1. Collaborative research with Prof. Taeho Jung, CSE, University of Notre Dame will be funded by the Ministry of Science and ICT, Korea for 1 year.
   Project Title: Blockchain and Zero Knowledge Proof for Searchable and Privacy-preserving Provenance Logging 

• Apr.

1. My collaborators and I will be funded by the Ministry of Science and ICT, Korea for 6 years.
   Project Title: Study on Crypto Primitives for SNARK

• Mar.

1. The following paper is accepted for publication in CVPR 2021.
   Sunpill Kim,  Yunseong Jeong, Jinsu Kim, Jungkon Kim, Hyung Tae Lee, and Jae Hong Seo, IronMask: Modular Architecture for Protecting Deep Face Template

2. I will serve as a program committee member of ICISC 2021.

• Feb.

1. The following paper is accepted for publication in Theoretical Computer Science
   Keita Emura, Jae Hong Seo, and Yohei Watanabe, Efficient Revocable Identity-based Encryption with Short Public Parameters

• Jan.

1. In this year, I will serve as a program committee member of several international conferences ASIACRYPT, PQCrypto, IWSEC, and APKC.