Analysis of Password based Multi-server Authentication Schemes

As of today, numerous researchers have explored the issue of secure and efficient smart card based authentication scheme for these variety of application areas. This article explores the background research on the single server smart card authentication schemes as well as multi-server smart card authentication schemes and its associated research gaps. This article gives comparative analysis of major smart card authentication schemes for single server as well as multi-server environment in terms of security features provided and the computational complexity. This effort assists the researchers to work in different directions towards design and development of secure and efficient smart card authentication scheme.