More secure remote user authentication scheme

  title={More secure remote user authentication scheme},
  author={Sang-Kyun Kim and Min Gyo Chung},
  journal={Computer Communications},
Recently, Yoon and Yoo proposed a remote user authentication scheme which is an improvement on Lee– Kim–Yoo’s method. However, we find out that Yoon–Yoo’s scheme easily reveals a user’s password and is vulnerable to both masquerading user attack and masquerading server attack. Yoon–Yoo’s scheme is also exposed to stolen verifier attack, because it has to maintain a user database in a remote server. This paper proposes a new remote user authentication scheme that resolves all aforementioned… CONTINUE READING
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