Research of dynamic authentication mechanism crossing domains for Web Services based on SAML

With the Web Services widely used in the distributed systems, the demand for cross-domain authentication is increasing day by day, its security issues become more and more prominent. Aiming at disadvantages of the cross-domain authentication, this article presents a dynamic authentication mechanism crossing domains for Web Services based on SAML. It can achieve single sign-on and improve the interoperability of Web Services. At the same time it meets the demands of security certificate under the Web Services applications environmental.