%0 Journal Article %A Eun-Jun Yoon and Kee-Young Yoo %D 2012 %J International Journal of Computer and Information Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 68, 2012 %T Comments on He et al.’s Robust Biometric-based User Authentication Scheme for WSNs %U https://publications.waset.org/pdf/13513 %V 68 %X In order to guarantee secure communication for wireless sensor networks (WSNs), many user authentication schemes have successfully drawn researchers- attention and been studied widely. In 2012, He et al. proposed a robust biometric-based user authentication scheme for WSNs. However, this paper demonstrates that He et al.-s scheme has some drawbacks: poor reparability problem, user impersonation attack, and sensor node impersonate attack. %P 935 - 938