1. Ciphertext-Ciphertext Matrix Multiplication: Fast for Large Matrices

    • 2025.05, EUROCRYPT 2025, Madrid, Spain [slides]
    • 2025.05, EUROCRYPT 2025, 마드리드, 스페인 [slides]
    • 2025.02, Invited talk at Seoul National University, Virtual
    • 2025.02, 초청강연, 서울대학교, 온라인

  2. Plaintext-Ciphertext Matrix Multiplication and FHE Bootstrapping: Fast and Fused

    • 2025.02, Invited talk at École polytechnique, France
    • 2025.02, 초청강연, École Polytechnique, 프랑스
    • 2024.08, CRYPTO 2024, UC Santa Barbara, USA [slides] [video]
    • 2024.08, CRYPTO 2024, UC Santa Barbara, 미국 [slides] [video]

  3. HERMES: Efficient Ring Packing using MLWE Ciphertexts and Application to Transciphering

    • 2024.01, Crypto Winter Camp 2024, Vivaldi Park, Korea
    • 2024.01, 암호겨울캠프 2024, 비발디 파크, 한국
    • 2023.12, Invited talk at Dongguk University, Korea
    • 2023.12, 초청강연, 동국대학교, 한국
    • 2023.08, CRYPTO 2023, UC Santa Barbara, USA [slides] [video]
    • 2023.08, CRYPTO 2023, UC Santa Barbara, 미국 [slides] [video]

  4. Tree-based Lookup Table on Batched Encrypted Queries using Homomorphic Encryption

    • 2022.06, Tech talk at CryptoLab, Korea
    • 2022.06, Tech talk, 크립토랩, 한국
    • 2022.04, KMS Spring Meeting, Virtual
    • 2022.04, 대한수학회 봄 연구발표회, 온라인

  5. Efficient Homomorphic Evaluation on Large Intervals

    • 2022.01, Crypto Winter Camp 2022, Virtual
    • 2022.01, 암호겨울캠프 2022, 온라인
    • 2020.10, KMS Fall Meeting, Virtual
    • 2020.10, 대한수학회 가을 연구발표회, 온라인

  6. Towards a Practical Cluster Analysis over Encrypted Data

    • 2019.10, KMS Fall Meeting, Hong-ik University, Korea
    • 2019.10, 대한수학회 가을 연구발표회, 홍익대학교, 한국
    • 2019.08, SAC 2019, University of Waterloo, Canada [slides]
    • 2019.08, SAC 2019, 워털루대학교, 캐나다 [slides]