Publications

Authors are listed in alphabetical order by last name, unless an asterisk($^\ast$) is indicated. Daggers($^\dagger$) indicate co-first authors.

Conferences

  • Refined TFHE Leveled Homomorphic Evaluation and Its Application
    $^\ast$R. Wang$^\dagger$, J. Ha$^\dagger$, X. Shen, X. Lu, C. Chen, K. Wang, and J. Lee.
    ACM CCS 2025, pp.2309-2323, ACM, 2025.

  • Polocolo: A ZK-Friendly Hash Function Based on S-boxes Using Power Residues
    J. Ha, S. Hwang, J. Lee, S. Park, and M. Son.
    Eurocrypt 2025 (Part IV), LNCS 15604, pp.303-332, Springer, 2025.

  • Efficacy and Mitigation of the Cryptanalysis on AIM
    $^\ast$S. Kim, J. Ha, M. Son, and B. Lee.
    The 5th NIST PQC Standardization Conference, 2024.

  • AIM: Symmetric Primitive for Shorter Signatures with Stronger Security
    $^\ast$S. Kim$^\dagger$, J. Ha$^\dagger$, M. Son, B. Lee, J. Lee, S. Lee, J. Kwon, J. Cho, H. Yoon, and J. Lee.
    ACM CCS 2023, pp.401-415, ACM, 2023.

  • Rubato: Noisy Ciphers for Approximate Homomorphic Encryption
    J. Ha, S. Kim, B. Lee, and M. Son.
    Eurocrypt 2022 (Part I), LNCS 13275, pp.581-610, Springer, 2022.

  • Transciphering Framework for Approximate Homomorphic Encryption
    J. Cho, J. Ha, S. Kim, B. Lee, J. Lee, J. Lee, D. Moon, and H. Yoon.
    Asiacrypt 2021 (Part III), LNCS 13092, pp.640-669, Springer, 2021.

Journals

  • FRAST: TFHE-friendly Cipher Based on Random S-boxes
    M. Cho, W. Chung, J. Ha, J. Lee, E. Oh, and M. Son.
    IACR Transactions on Symmetric Cryptology, Vol. 2024, No. 3, pp.1-43, 2024.

  • MPCitH 기반 영지식 증명과 대칭키 프리미티브 기반 일방향 함수를 결합 양자내성 전자서명 AIMer 소개
    $^\ast$하진철, 김성광, 손민철
    정보보호학회지 제34권 제2호 pp.5-12, 한국정보보호학회, 2024.

  • Masta: An HE-friendly Cipher Using Modular Arithmetic
    $^\ast$J. Ha, S. Kim, W. Choi, J. Lee, D. Moon, H. Yoon, and J. Cho.
    IEEE Access, Vol 8, pp.194741-194751, 2020.

Preprints