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Metadata for SAML entities MUST include UI elements for mdui:DisplayName and SHOULD include , mdui:Logo, mdui:InformationURL, and mdui:PrivacyStatementURL.
The content of the mdui:Logo element SHOULD be a HTTPS URL.
At least one mdui:Logo element SHOULD have a height attribute of 60 and a width attribute of 80.
An entity MAY include a mdui:Logo element with a height attribute of 16 and a width attribute of 16.
Authentication Context requests
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