<?xml version="1.0" encoding="UTF-8" standalone="no"?><!--
	U K   F E D E R A T I O N   M E T A D A T A

	Aggregate built 2026-04-08T15:00:27Z

	Aggregate valid for 21 days, until 2026-04-29T15:00:27Z
-->
<EntitiesDescriptor xmlns="urn:oasis:names:tc:SAML:2.0:metadata" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:elab="http://eduserv.org.uk/labels" xmlns:idpdisc="urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol" xmlns:shibmd="urn:mace:shibboleth:metadata:1.0" xmlns:shibmeta="urn:mace:shibboleth:metadata:1.0" xmlns:ukfedlabel="http://ukfederation.org.uk/2006/11/label" xmlns:wayf="http://sdss.ac.uk/2006/06/WAYF" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ID="uk20100825T175806Z" Name="http://ukfederation.org.uk" validUntil="2010-09-08T17:58:06Z" xsi:schemaLocation="urn:oasis:names:tc:SAML:2.0:metadata sstc-saml-schema-metadata-2.0.xsd   urn:mace:shibboleth:metadata:1.0 shibboleth-metadata-1.0.xsd   http://www.w3.org/2001/04/xmlenc# xenc-schema.xsd   http://www.w3.org/2000/09/xmldsig# xmldsig-core-schema.xsd">
  <EntityDescriptor ID="uk003826" entityID="https://authalpha.diamond.ac.uk">
    <ContactPerson contactType="support">
      <EmailAddress>mailto:samuel.hough@diamond.ac.uk</EmailAddress>
      <GivenName>Sam</GivenName>
      <SurName>Hough</SurName>
    </ContactPerson>
    <ContactPerson contactType="technical">
      <EmailAddress>mailto:samuel.hough@diamond.ac.uk</EmailAddress>
      <GivenName>Sam</GivenName>
      <SurName>Hough</SurName>
    </ContactPerson>
    <Extensions>
      <mdrpi:RegistrationInfo registrationAuthority="http://ukfederation.org.uk" registrationInstant="2018-12-05T09:32:52Z">
        <mdrpi:RegistrationPolicy xml:lang="en">http://ukfederation.org.uk/doc/mdrps-20130902</mdrpi:RegistrationPolicy>
      </mdrpi:RegistrationInfo>
    </Extensions>
    <Organization>
      <OrganizationDisplayName xml:lang="en">Diamond Light Source Ltd</OrganizationDisplayName>
      <OrganizationName xml:lang="en">Diamond Light Source Ltd</OrganizationName>
      <OrganizationURL xml:lang="en">https://authalpha.diamond.ac.uk</OrganizationURL>
    </Organization>
    <SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://authalpha.diamond.ac.uk/cas/login" index="0" />
      <Extensions>
        <mdui:UIInfo>
          <mdui:DisplayName xml:lang="en">Diamond Central Authentication Alpha</mdui:DisplayName>
        </mdui:UIInfo>
      </Extensions>
      <KeyDescriptor use="encryption">
        <EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc" />
        <ds:KeyInfo>
          <ds:X509Data>
            <ds:X509Certificate>
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          </ds:X509Data>
        </ds:KeyInfo>
      </KeyDescriptor>
      <KeyDescriptor use="signing">
        <ds:KeyInfo>
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            <ds:X509Certificate>
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          </ds:X509Data>
        </ds:KeyInfo>
      </KeyDescriptor>
      <NameIDFormat>urn:oasis:names:tc:SAML:2.0:nameid-format:transient</NameIDFormat>
    </SPSSODescriptor>
  </EntityDescriptor>
</EntitiesDescriptor>
