| 2010 | APSCC | More Robust Anonymous Authentication with Link-Layer Privacy. | Eun-Kyung Ryu, Eun-Jun Yoon, Kee-Young Yoo |
| 2007 | AINA | Efficient Conjunctive Keyword-Searchable Encryption. | Eun-Kyung Ryu, Tsuyoshi Takagi |
| 2004 | ICCSA | ID-Based Authenticated Multiple-Key Agreement Protocol from Pairings. | Kee-Won Kim, Eun-Kyung Ryu, Kee-Young Yoo |
| 2004 | ICCSA | An Authenticated Key Agreement Protocol Resistant to a Dictionary Attack. | Eun-Kyung Ryu, Kee-Won Kim, Kee-Young Yoo |
| 2004 | ICCSA | Security of Shen et al.'s Timestamp-Based Password Authentication Scheme. | Eun-Jun Yoon, Eun-Kyung Ryu, Kee-Young Yoo |
| 2004 | ICCSA | Multiparty Key Agreement Protocol with Cheater Identification Based on Shamir Secret Sharing. | Kee-Young Yoo, Eun-Kyung Ryu, Jae-Yuel Im |
| 2004 | Networking | An Efficient ID-Based Authenticated Key Agreement Protocol from Pairings. | Eun-Kyung Ryu, Eun-Jun Yoon, Kee-Young Yoo |
| 2003 | CAINE | A New Authenticated Key Agreement Protocol. | Kee-Won Kim, Eun-Kyung Ryu, Hyung-Mok Lee, Kee-Young Yoo |
| 2003 | CATA | A Robust Authenticated Key Agreement Protocol. | Hyoung-Mok Lee, Eun-Kyung Ryu, Kee-Won Kim, Jae-Min Lee, Kee-Young Yoo |
| 2003 | ISAAC | A Promising Key Agreement Protocol. | Eun-Kyung Ryu, Kee-Won Kim, Kee-Young Yoo |
| 2002 | CATA | A Promising Labeling Scheme for On-the-fly Data Race Detection. | Keum-Sook Ha, Eun-Kyung Ryu, Kee-Young Yoo |