University of Warsaw SAML Identity Provider (eduGAIN / PIONIER.Id)
The university's own Shibboleth SAML 2.0 identity provider, entityID https://login.uw.edu.pl/idp, fronted by an Apereo CAS login at logowanie.uw.edu.pl. Its metadata is machine-readable at the entityID URL and declares shibmd:Scope login.uw.edu.pl, OrganizationName "Uniwersytet Warszawski" and SingleSignOnService bindings for HTTP-POST, HTTP-POST-SimpleSign, HTTP-Redirect and SOAP. The entity is registered in eduGAIN (id 676121) by registration authority https://aai.pionier.net.pl — PIONIER.Id, the Polish national identity federation — alongside three University of Warsaw service providers, including the Student Portal 4EU+ SP. A federation is shared by definition; the IdP behind it is the institution's own.