I am a Ph.D. student at Korea University working in cryptograhpy, with a primary focus on circuit optimization for applied cryptography like Homomorphic Encryption (HE) or Zero-Knowledge Proof (ZKP) system.
I am in the integrated M.S./Ph.D. program at Korea University , affiliated with the School of Cybersecurity. I received my B.S. in Mathematics from Korea University.
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Research Interests
My current research interests center on cryptographic circuit optimization — that is, optimizing circuits so that cryptographic primitives can be executed efficiently in computationally expensive settings such as homomorphic encryption (HE) and zero-knowledge proofs (ZKPs). In particular, I am interested in designing cryptographic primitives that are inherently circuit-optimized, as well as applied cryptographic systems built upon such primitives.
In the past, I was actively engaged in analyzing the mathematical structures of block ciphers and their resistance to implementation attacks such as fault attacks and side-channel attacks. While this is no longer the main focus of my research, I remain interested in the possibility of designing cryptographic primitives that are inherently resilient to fault attacks, and I continue to follow developments in this area.
Education
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Ph.D. Student (Integrated M.S./Ph.D. Program) in Cybersecurity
Korea University (2025 – present)
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B.S. in Mathematics
Korea University (2021 – 2025)
- Double Major: B.E. in Smart Security
- Micro Degree in Cryptographic Technology
- GPA: 3.71 / 4.5
Publications
International Journals & Conferences
SDDT: An Operation Skip Attack Framework for Bitslice Ciphers—Validated on PIPO.
Dongwoo Kang, Hanbeom Shin, DongHyeon Kim, Seokhie Hong, HeeSeok Kim.
Selected Areas in Cryptography, 2026. (to appear)
Domestic Journals & Conferences
Epoch-based Re-keying for Full Disk Encryption to Avoid Cumulative Side-channel Leakage.
Dongwoo Kang, HeeSeok Kim, Seokhie Hong.
Proceedings of the 2026 Summer Conference of the Korea Institute of Information Security & Cryptology (KIISC), 2026. (in Korean)
Side-Channel Attack on Tweakable Block Cipher SCARF for Cache Address Randomization.
Dongwoo Kang, Inhun Lee, HeeSeok Kim, Seokhie Hong.
Proceedings of the 2025 Winter Conference of the Korea Institute of Information Security & Cryptology (KIISC), 2025. (in Korean)
Full-round Linear Attacks for Block Cipher DNA-PRESENT.
Dongwoo Kang, Hanbeom Shin, Seokhie Hong.
Proceedings of the 2025 Summer Conference of the Korea Institute of Information Security & Cryptology (KIISC), 2025. (in Korean)
* Earlier publications may appear under the name Dong-U Kang or Dong-u Kang.
Awards
- Encouragement Award, 2025 Cryptographic Analysis Contest, Korea Institute of Information Security & Cryptology (KIISC)