private static List<string> DefaultAuthnContextClassRefs()
{
return new[]
{
"urn:oasis:names:tc:SAML:2.0:ac:classes:unspecified",
"urn:oasis:names:tc:SAML:2.0:ac:classes:Password",
"urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport",
"urn:oasis:names:tc:SAML:2.0:ac:classes:Kerberos",
"urn:federation:authentication:windows"
}.ToList();
}