| 2017 | GPC | Further Improvement on An Efficient and Secure Three-factor Based Authenticated Key Exchange Scheme Using Elliptic Curve Cryptosystems. | Chun-Ta Li, Chin-Ling Chen, Cheng-Chi Lee, Chien-Ming Chen |
| 2015 | ANT | Secure User Authentication and User Anonymity Scheme based on Quadratic Residues for the Integrated EPRIS. | Chun-Ta Li, Chi-Yao Weng, Cheng-Chi Lee, Chun-Cheng Wang |
| 2015 | ICA3PP | Design Flaws in a Secure Medical Data Exchange Protocol Based on Cloud Environments. | Chun-Ta Li, Cheng-Chi Lee, Chun-Cheng Wang, Tzu-Hui Yang, Song-Jhih Chen |
| 2011 | DBSEC | A Robust Remote User Authentication Scheme against Smart Card Security Breach. | Chun-Ta Li, Cheng-Chi Lee, Chen-Ju Liu, Chin-Wen Lee |
| 2010 | ICCSA | On the Security Enhancement of an Efficient and Secure Event Signature Protocol for P2P MMOGs. | Chun-Ta Li, Cheng-Chi Lee, Lian-Jun Wang |
| 2010 | ISDA | On security of a more efficient and secure dynamic ID-based remote user authentication scheme. | Cheng-Chi Lee, Chin-Ling Chen, Chun-Ta Li, Rui-Xiang Chang |
| 2010 | ISDA | Cryptanalysis of Khan et al.'s dynamic ID-based remote user authentication scheme. | Chun-Ta Li, Chen-Ju Liu, Cheng-Chi Lee, Chin-Wen Lee |
| 2007 | ICCSA | A New Nonrepudiable Threshold Proxy Signature Scheme with Valid Delegation Period. | Min-Shiang Hwang, Shiang-Feng Tzeng, Chun-Ta Li |