Highly secured remote user authentication scheme using smart cards

In the present Internet age, one of the main challenging tasks is to provide confidentiality for user's transaction. Various authentication schemes have been proposed to secure the data from unauthorized users. One of the most prominent schemes is password based smart card authentication scheme used to withstand the possible attacks for verification table. However, most of these schemes are vulnerable to one or the other possible attacks. In this paper, highly secured smart card authentication scheme is proposed to resist all the identified attacks and satisfy the needs of user. Its security is based on one way hash function and the discrete logarithm problem. Security analysis proves that the given scheme is more secure as compared to other existing schemes. It can be easily extended to various applications such as Multi-server authentication, Internet protocol television broadcasting, Wireless communication and Healthcare applications, where the user needs to access data from server.