OpenID, an open digital identity management and authentication framework
R Liu, Joy Wang, Jianhe Du · 2007
OpenID is an Open Digital Identity Management and Authentication Framework on the Internet, Compared with traditional digital identity management systems, it has main characteristics of URI/URL based, decentralized management and user centric philosophy. In the web 2.0 era with flourishing web applications and Internet services, as a new technology, OpenID reduces accounts registration and identity management errands for Internet users, it provides a single sign on mechanism as well. Focused on the 3 characteristics of OpenID, this paper introduces briefly its authentication mechanism, applications and developments; finally, some weak points of current OpenID specification and concerns are discussed.