5Andrea P,Chris J.A Taxonomy of Single Sign-On Systems[C] //Proceedings of the 8th Australasian Conference on Information Seeurity and Privacy.Wollongong,Australia:Springer-Verlag,2003:249-264.
6Tiwari P B,Joshi S R.Single sign-on with one time password[C]. IEEE First Asian Himalayas International Conference on Inter- net,2009:l-4.
7Song peng,Yu jinshan.CAS single sign-on technology for integ- ration of enterprise's application system[J].Journal of Huaqiao University(Natural Science),2009,30(3)-351-353.
8Takaaki Komura, Yasuhiro Nagai, Shoichi Hashimoto, et al. Proposal of delegation using electronic certificates on single sign-on system with SAML-protocol[J].Ninth Annual Inter- national Symposium on Applications and the Internet,2009: 235-238.
9Wu kaixing,Yu xiaolin.A model of unite-authentication single sign-on based on SAML underlying Web[C]. Second Interna- tional Conference on Information and Computing Science,2009: 211-213.
