Date Added: Apr 2012
To secure information from unauthorized access, various authentication schemes have been deployed. Among these, password based authentication schemes using smart card are widely used for various applications such as remote user login, online banking, ID verification, access control and e-commerce. It provides mutual authentication between user and server. This paper portrays security requirements and possible attacks for smart card based password authentication scheme. In addition, various solutions for different attacks are also discussed. With the rapid growth of computer networks, more and more users access the remote server's service in a distributed computing environment.