Science & Engineering Research Support soCiety (SERSC)
To protect the resources from unauthorized users, the remote user authentication has become an essential part in the communication network. Currently, smart card-based remote user authentication for multi-server environment is a widely used and researched method. Remote user authentication for multi-server environment has resolved the problem of users to manage the different identities and passwords. Recently, the researcher proposed a multi-server authenticated key agreement scheme using smart cards, where they claim that their scheme is secure enough and could resist the various well known attacks.