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Practical Randomized Lattice Gadget Decomposition With Application to FHE, Sohyun Jeon, Hyang-Sook Lee and Jeongeun Park, ESORICS 2023
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On insecure Uses of BGN for Privacy Preserving Data Aggregation Protocols, Hyang-Sook Lee, Seongan Lim, Ikkwon Yie and Aaram Yun, Fundamenta Informaticae, Vol. 188, Issue 2, 2023
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On Pairwise Gaussian bases and LLL algorithm for three dimensional lattices, Kitae Kim, Hyang-Sook Lee, Seongan Lim, Jeongeun Park, and Ikkwon Yie, Journal of the Korean Mathematical Society, Vol. 59, No. 6, pp.1047-1065, 2022
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Memory-Efficient Algorithm for Scalar Multiplications on Twisted Edwards Curves for Isogeny-Based Cryptosystems, Sookyung Eom, Hyang-Sook Lee, and Kyunghwan Song, Mathematical Problems in Engineering, Vol. 2022, 2022
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Analysis on Yu et al.’s dynamic algorithm for canonic DBC, Sookyung Eom, Hyang-Sook Lee, Seongan Lim, Kyunghwan Song, Discrete Applied Mathematics, vol. 294, pp. 31–40, 2021
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Efficient Lattice Gadget Decomposition Algorithm with Bounded Uniform Distribution, Sohyun Jeon, Hyang-Sook Lee and Jeongeun Park, IEEE Access, Vol. 9, pp-17429-17437, 2021
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Storage efficient algorithm for Hermite Normal Form using LLL, Gook Hwa Cho, Hyang-Sook Lee, Seongan Lim and Yoonjeong Kim, Linear Algebra and its Applications, Vol. 613, pp. 183-200, 2021
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Algorithms for the Generalized NTRU Equations and Their Storage Analysis, Gook Hwa Cho, Hyang-Sook Lee, and Seongan Lim, Fundamenta Informaticae, Vol. 17, No. 2, pp.115-139, 2020
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A refinement of M¨uller’s cube root algorithm, Gook Hwa Cho, Soonhak Kwon, Hyang-Sook Lee, Finite Fields and their Applications, Vol. 67, 2020
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New orthogonality criterion for shortest vector of lattices and its applications, Hyang-Sook Lee, Seongan Lim, Kyunghwan Song, Ikkwon Yie, Discrete Applied Mathematics, Vol. 283, pp. 323-335, 2020
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Towards Round-Optimal Secure Multiparty Computations: Multikey FHE without a CRS(Journal Version), Eunkyung Kim, Hyang-Sook Lee, Jeongeun Park, International Journal of Foundations of Computer Science, Vol. 31, No. 02, pp. 157-174, 2020
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On the Security of Multikey Homomorphic Encryption, Jeongeun Park, Hyang-Sook Lee, Cryptography and Coding, Lecture Notes in Computer Sciences, 11929, pp. 236-251, 2019
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On the Non-repudiation of Isogeny Based Signature Scheme, Sookyung Eom, Hyang-Sook Lee, Seongan Lim, Information Security Theory and Practice, Lecture Notes in Computer Sciences, 11469, pp.63-77, 2019
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Minimal condition for shortest vectors in lattices of low dimension, Seunghwan Chang,Taewan Kim, Hyang-Sook Lee, Juhee Lee, Seongan Lim, Electronic Notes in Discrete Mathematics, Vol. 71, pp. 9-14, 2019
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Improving the Pocklington and Padr´o-S´aez Cube Root Algorithm, Gook Hwa Cho, Hyang-Sook Lee, Bulletin of the Korean Mathematical Society, Vol. 56, no. 2, pp. 277-283, 2019
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Towards Round-Optimal
Secure Multiparty Computations: Multikey FHE without a CRS, (Conference Proceedings Version) ACISP 2018,
Eunkyung Kim, Hyang-Sook Lee and Jeongeun Park, Lecture Notes in Computer
Science, Vol. 10946, 2018
A Lattice Attack on
Homomorphic NTRU with Non-invertible Public Keys, Soyoung Ahn, Hyang-Sook Lee,
Seongan Lim and Ikkwon Yie, ICICS 2017, Lecture Notes in Computer Science, Vol.
10631, 2018.
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Key Substitution Attacks
on Lattice Signature Schemes based on SIS problem" by Youngjoo An,
Hyang-Sook Lee, Juhee Lee and Seongan Lim, Security and Communication Networks,
2018
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Forgeable quantum messages in arbitrated quantum signature schemes, Taewan Kim, Hyang-Sook Lee, Soojoon Lee, Quantum Information Processing, Vol. 16, Issue 11, 2017