Won Kim

Hi! I am a Ph.D student at Korea University, working on Isogeny-based Cryptography.
I am currently researching in PQSnC Lab, under the supervision of Changmin Lee.

I am also working on a project about secure multi-party computation (MPC) with Wonseok Choi.

💼 Career

2025.03 - Now: Ph.D. at Korea University, Cybersecurity
2019.03 - 2025.02: B.S. at Korea University, Mathematics

🧠 Research Interests

Isogeny-based cryptography
Mathematical aspects of post-quantum cryptology
Security of e-voting protocols

📚 Publications

6. INKE: Isogeny-Based PKE Using Intermediate Curves
Hyeonhak Kim, Won Kim, Changmin Lee, Suhri Kim, Seokhie Hong, Sangjin Lee — Preprint (paper)

5. Threshold PRISM Signature Schemes via Graph-Based Threshold Access Structures
Hyeonhak Kim, Won Kim, Changmin Lee — Preprint (paper)

4. Compact Quaternion Algorithms for SQIsign
Won Kim, Changmin Lee, Hyunwoo Yoo — Under Review (paper)

3. SMART: Small-Modulus Adaptive Recovery for Scalable and Asynchronous Threshold Decryption
Jonghyun Kim, Won Kim, Changmin Lee, Jeonghwan Lee — Unpublished

2. Asynchronous Lagrange-Based Threshold FHE with Smaller Modulus Overhead
Won Kim, Changmin Lee, Jeonghwan Lee, Alain Passelègue, Damien Stehlé — CRYPTO 2026 (paper)

1. SQIsign with Fixed-Precision Integer Arithmetic
Won Kim, Jeonghwan Lee, Hyeonhak Kim, Changmin Lee — PKC 2026, Best Paper Award (paper)

🏆 Awards

4. Best Paper Award — PKC 2026
3. Encouragement Prize — Cryptanalysis Contest 2025
2. Academic Excellence Award — Korea University 2024 2nd Semester
1. Excellence Prize — Cryptanalysis Contest 2024

📢 Talks

1. SQIsign with Fixed-Precision Integer Arithmetic — PKC 2026

🚀 Projects

2. A Study on a Unified Framework for Concrete Security Analysis of Secure Multi-Party Computation: DGIST, 2026.02 - Now
1. Veritas Scholarship Project: Korea University, 2024.06 - 2025.02

Won Kim

Won Kim

💼 Career

🧠 Research Interests

📚 Publications

🏆 Awards

📢 Talks

🚀 Projects

🏫 Teaching

🔍 Reviews

Sub-reviewers