The following publications are possibly variants of this publication:
- An Enhanced Remote User Authentication Scheme Providing Mutual Authentication and Key Agreement with Smart CardsChun-Ta Li. IEEEias 2009: 517-520 [doi]
- A Secure Chaotic Maps and Smart Cards Based Password Authentication and Key Agreement Scheme with User Anonymity for Telecare Medicine Information SystemsChun-Ta Li, Cheng-Chi Lee, Chi-Yao Weng. jms, 38(9):77, 2014. [doi]
- Robust smart-cards-based user authentication scheme with user anonymityShuhua Wu, Yuefei Zhu, Qiong Pu. scn, 5(2):236-248, 2012. [doi]
- An Enhanced Anonymous Password-based Authenticated Key Agreement Scheme with Formal ProofMin Wu, Jianhua Chen, Ruibing Wang. ijnsec, 19(5):785-793, 2017. [doi]
- An efficient authentication and key agreement scheme with user anonymity for roaming service in smart cityXiong Li, Arun Kumar Sangaiah, Saru Kumari, Fan Wu 0003, Jian Shen, Muhammad Khurram Khan. puc, 21(5):791-805, 2017. [doi]