!!! Overview
[{$pagename}] is [Metadata] used in [SAML] as a [Discovery Mechanism]

[Example] [Identity Provider (IDP)] [Metadata]:

%%prettify 
{{{
<EntityDescriptor xmlns="urn:oasis:names:tc:SAML:2.0:metadata"
   xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
   xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
   entityID="https://IdentityProvider.com/SAML">
   <ds:Signature>...</ds:Signature>
   <IDPSSODescriptor WantAuthnRequestsSigned="true"
      protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
      <KeyDescriptor use="signing">
         <ds:KeyInfo>
            <ds:KeyName>IdentityProvider.com SSO Key</ds:KeyName>
         </ds:KeyInfo>
      </KeyDescriptor>
      <ArtifactResolutionService isDefault="true" index="0"
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP"
         Location="https://IdentityProvider.com/SAML/Artifact"/>
      <SingleLogoutService
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP"
         Location="https://IdentityProvider.com/SAML/SLO/SOAP"/>
      <SingleLogoutService
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
         Location="https://IdentityProvider.com/SAML/SLO/Browser"
         ResponseLocation="https://IdentityProvider.com/SAML/SLO/Response"/>
      <NameIDFormat>
         urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName
      </NameIDFormat>
      <NameIDFormat>
         urn:oasis:names:tc:SAML:2.0:nameid-format:persistent
      </NameIDFormat>
      <NameIDFormat>
         urn:oasis:names:tc:SAML:2.0:nameid-format:transient
      </NameIDFormat>
      <SingleSignOnService
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
         Location="https://IdentityProvider.com/SAML/SSO/Browser"/>
      <SingleSignOnService
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
         Location="https://IdentityProvider.com/SAML/SSO/Browser"/>
      <saml:Attribute
         NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"
         Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.6"
         FriendlyName="eduPersonPrincipalName">
      </saml:Attribute>
      <saml:Attribute
         NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"
         Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.1"
         FriendlyName="eduPersonAffiliation">
         <saml:AttributeValue>member</saml:AttributeValue>
         <saml:AttributeValue>student</saml:AttributeValue>
         <saml:AttributeValue>faculty</saml:AttributeValue>
         <saml:AttributeValue>employee</saml:AttributeValue>
         <saml:AttributeValue>staff</saml:AttributeValue>
      </saml:Attribute>
   </IDPSSODescriptor>
   <AttributeAuthorityDescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
      <KeyDescriptor use="signing">
         <ds:KeyInfo>
            <ds:KeyName>IdentityProvider.com AA Key</ds:KeyName>
         </ds:KeyInfo>
      </KeyDescriptor>
      <AttributeService
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP"
         Location="https://IdentityProvider.com/SAML/AA/SOAP"/>
      <AssertionIDRequestService
         Binding="urn:oasis:names:tc:SAML:2.0:bindings:URI"
         Location="https://IdentityProvider.com/SAML/AA/URI"/>
      <NameIDFormat>
         urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName
      </NameIDFormat>
      <NameIDFormat>
         urn:oasis:names:tc:SAML:2.0:nameid-format:persistent
      </NameIDFormat>
      <NameIDFormat>
         urn:oasis:names:tc:SAML:2.0:nameid-format:transient
      </NameIDFormat>
      <saml:Attribute
         NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"
         Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.6"
         FriendlyName="eduPersonPrincipalName">
      </saml:Attribute>
      <saml:Attribute
         NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"
         Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.1"
         FriendlyName="eduPersonAffiliation">
         <saml:AttributeValue>member</saml:AttributeValue>
         <saml:AttributeValue>student</saml:AttributeValue>
         <saml:AttributeValue>faculty</saml:AttributeValue>
         <saml:AttributeValue>employee</saml:AttributeValue>
         <saml:AttributeValue>staff</saml:AttributeValue>
      </saml:Attribute>
   </AttributeAuthorityDescriptor>
   <Organization>
      <OrganizationName xml:lang="en">Identity Providers R US</OrganizationName>
      <OrganizationDisplayName xml:lang="en">
         Identity Providers R US, a Division of Lerxst Corp.
      </OrganizationDisplayName>
      <OrganizationURL xml:lang="en">https://IdentityProvider.com</OrganizationURL>
   </Organization>
</EntityDescriptor>
}}} 
/%


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