(compléter)
http://wiki.oasis-open.org/security
http://xml.coverpages.org/saml.html
http://www.onelogin.com/resources/saml-toolkits
http://www.onelogin.com/saml
http://www.onelogin.com/onelogin-as-a-saml-service-provider
http://en.wikipedia.org/wiki/Security_Assertion_Markup_Language
http://en.wikipedia.org/wiki/SAML_2.0
http://developers.google.com/google-apps/sso/saml_reference_implementation