The following publications are possibly variants of this publication:
- A secure and efficient authentication protocol for anonymous channel in wireless communicationsChou Chen Yang, Yuan-Liang Tang, Ren-Chiun Wang, Hung-Wen Yang. amc, 169(2):1431-1439, 2005. [doi]
- An efficient and secure 3-factor user-authentication protocol for multiserver environmentMin Luo, Aiying Sun, Debiao He, Xiaohong Li. ijcomsys, 31(14), 2018. [doi]