| 2018 | WISTP | On the Non-repudiation of Isogeny Based Signature Scheme. | Soo-Kyung Eom, Hyang-Sook Lee, Seongan Lim |
| 2017 | ICICS | A Lattice Attack on Homomorphic NTRU with Non-invertible Public Keys. | Soyoung Ahn, Hyang-Sook Lee, Seongan Lim, Ikkwon Yie |
| 2007 | ISPA | An Information Aggregation Scheme of Multi-node in Ubiquitous Sensor Networks. | Haeryong Park, Seongan Lim, Ikkwon Yie, Hyun Kim, Kilsoo Chun, Jaeil Lee |
| 2004 | ICCSA | A Study on Smart Card Security Evaluation Criteria for Side Channel Attacks. | Hoon-Jae Lee, ManKi Ahn, Seongan Lim, Sang-Jae Moon |
| 2003 | INDOCRYPT | Prime Numbers of Diffie-Hellman Groups for IKE-MODP. | Ikkwon Yie, Seongan Lim, Seungjoo Kim, Dongryeol Kim |
| 2003 | WISA | Automation-Considered Logic of Authentication and Key Distribution. | Taekyoung Kwon, Seongan Lim |
| 2001 | ICISC | RSA Speedup with Residue Number System Immune against Hardware Fault Cryptanalysis. | Sung-Ming Yen, Seungjoo Kim, Seongan Lim, Sang-Jae Moon |
| 2001 | ICISC | A Countermeasure against One Physical Cryptanalysis May Benefit Another Attack. | Sung-Ming Yen, Seungjoo Kim, Seongan Lim, Sang-Jae Moon |
| 2001 | INDOCRYPT | Comments on a Signature Scheme Based on the Third Order LFSR Proposed at ACISP2001. | Seongan Lim, Seungjoo Kim, Ikkwon Yie, Jaemoon Kim |
| 2000 | INDOCRYPT | A Generalized Takagi-Cryptosystem with a modulus of the form | Seongan Lim, Seungjoo Kim, Ikkwon Yie, Hongsub Lee |