Kyoohyung Han's Page

About

Kyoohyung Han | kyoohyunghan@gmail.com | [Google Scholar] [DBLP] [LinkedIn]

Research Interests:

For more detail information, go to Working Experience, Publications - Journal, Publications - Conference, Pre-print, Programming Repositories.

Working Experience

  1. Post Doctoral Researcher, Seoul National Universiy, Korea, 2019.
  2. Microsoft Research Intern, 2017 Summer (Working on SEAL library and its bootstrapping).

Publications - Journal

  1. Kyoohyung Han, Minki Hhan, and Jung Hee Cheon, Improved Homomorphic Discrete Fourier Transforms and FHE Bootstrapping. IEEE Access., 2019
  2. Hao Cheon, Ran Gilad-Bachranch, Kyoohyung Han, Zhicong Huang, Amir Jalali, Kim Laine, and Kristin Lauter, Logistic regression over encrypted data from fully homomorphic encryption. BMC Medical Genomics. 2018.
  3. Jung Hee Cheon, Kyoohyung Han, Seong-Min Hong, H Jin Kim, Junsoo Kim, Suseong Kim, Hoseong Seo, Hyungbo Shim, and Yongsoo Song, Toward a Secure Drone System: Flying with Real-time Homomorphic Authenticated Encryption. IEEE Access. 2018.
  4. Jung Hee Cheon, Kyoohyung Han, Chanmin Lee, Hansol Ryu, and Damien Stehle, Cryptanalysis of the CLT13 Multilinear Map. Journal of Cryptology. 2018.

Publications - Conference

  1. Kyoohyung Han, Seungwan Hong, Jung Hee Cheon, and Daejun Park, Logistic Regression on Homomorphic Encrypted Data at Scale, Innovative Applications of Artificial Intelligence (IAAI), 2019.
  2. Sungjoon Park, Minsu Kim, Seokjun Seo, Seungwan Hong, Kyoohyung Han, Keewoo Lee, Jung Hee Cheon, and Sun Kim, A Secure SNP Panel Scheme using Homomorphically Encrypted K-mers without SNP Calling on the User Side, Asia Pacific Bioinformatics Conference (APBC), 2019
  3. Jung Hee Cheon, Kyoohyung Han, Andrey Kim, Miran Kim, and Yongsoo Song, A Full RNS Variant of Approximate Homomorphic Encryption. Selected Areas in Cryptography (SAC). 2018
  4. Jung Hee Cheon, Kyoohyung Han, Hyuntae Kim, Junsoo Kim, and Hyungbo Shim, Need for Controllers Having Integer Coefficients in Homomorphically Encrypted Dynamic System, IEEE Conference on Decision and Control (CDC), 2018
  5. Hao Chen and Kyoohyung Han, Homomorphic Lower Digits Removal and Improved FHE Bootstrapping. EUROCRYPT. 2018.
  6. Jung Hee Cheon, Kyoohyung Han, Andrey Kim, Miran Kim, and Yongsoo Song, Bootstrapping for Approximate Homomorphic Encryption. EUROCRYPT. 2018.
  7. Jung Hee Cheon, Kyoohyung Han, Jinsu Kim, Changmin Lee, and Yongha Sohn, A practical post-quantum public key cryptosystem based on spLWE. ICISC. 2016.
  8. Jung Hee Cheon, Kyoohyung Han, Changmin Lee, Hansol Ryu, and Damien Stehnle, Cryptanalysis of the multilinear map over the integers. EUROCRYPT. 2015.

Pre-print

  1. Kyoohyung Han, and Dohyeong Ki, Better Bootstrapping for Approximate Homomorphic Encryption, 2019, https://eprint.iacr.org/2019/688 (PDF)
  2. Junsoo Kim, Hyungbo Shim, and Kyoohyung Han, Comprehensive Introduction to Fully Homomorphic Encryption for Dynamic Feedback Controller via LWE-based Cryptosystem. 2019. https://arxiv.org/abs/1904.08025 (PDF)
  3. Jung Hee Cheon, Kyoohyung Han, and Duhyeong Kim, Faster Bootstrapping of FHE over the Integers, 2017, https://eprint.iacr.org/2017/079 (PDF)

Programming Repositories

  1. Homomorphic Logistic Regression on Large Encrypted Data, https://github.com/HanKyoohyung/HELR
  2. Full-RNS variant of HEAAN scheme, https://github.com/HanKyoohyung/FullRNS-HEAAN
  3. Faster Homomorphic Discrete Fourier Transforms and Improved FHE Bootstrapping, https://github.com/KyoohyungHan/ImprovedLT