<?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="uk002936" entityID="https://dldev.acm.org/shibboleth">
    <ContactPerson contactType="support">
      <EmailAddress>mailto:ali@acm.org</EmailAddress>
      <GivenName>Asad</GivenName>
      <SurName>Ali</SurName>
    </ContactPerson>
    <ContactPerson contactType="technical">
      <EmailAddress>mailto:greenberg@acm.org</EmailAddress>
      <GivenName>Adam</GivenName>
      <SurName>Greenberg</SurName>
    </ContactPerson>
    <Extensions>
      <alg:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha512" />
      <alg:DigestMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#sha384" />
      <alg:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
      <alg:DigestMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#sha224" />
      <alg:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
      <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha512" />
      <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha384" />
      <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
      <alg:SigningMethod Algorithm="http://www.w3.org/2009/xmldsig11#dsa-sha256" />
      <alg:SigningMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
      <alg:SigningMethod Algorithm="http://www.w3.org/2000/09/xmldsig#dsa-sha1" />
      <mdrpi:RegistrationInfo registrationAuthority="http://ukfederation.org.uk" registrationInstant="2016-02-15T14:02:40Z">
        <mdrpi:RegistrationPolicy xml:lang="en">http://ukfederation.org.uk/doc/mdrps-20130902</mdrpi:RegistrationPolicy>
      </mdrpi:RegistrationInfo>
    </Extensions>
    <Organization>
      <OrganizationDisplayName xml:lang="en">Association for Computing Machinery, Inc.</OrganizationDisplayName>
      <OrganizationName xml:lang="en">Association for Computing Machinery, Inc.</OrganizationName>
      <OrganizationURL xml:lang="en">http://www.acm.org/</OrganizationURL>
    </Organization>
    <SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol urn:oasis:names:tc:SAML:1.1:protocol urn:oasis:names:tc:SAML:1.0:protocol">
      <ArtifactResolutionService Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP" Location="https://dldev.acm.org/Shibboleth.sso/Artifact/SOAP" index="1" />
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://dldev.acm.org/Shibboleth.sso/SAML2/POST" index="1" />
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST-SimpleSign" Location="https://dldev.acm.org/Shibboleth.sso/SAML2/POST-SimpleSign" index="2" />
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact" Location="https://dldev.acm.org/Shibboleth.sso/SAML2/Artifact" index="3" />
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:PAOS" Location="https://dldev.acm.org/Shibboleth.sso/SAML2/ECP" index="4" />
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:1.0:profiles:browser-post" Location="https://dldev.acm.org/Shibboleth.sso/SAML/POST" index="5" />
      <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:1.0:profiles:artifact-01" Location="https://dldev.acm.org/Shibboleth.sso/SAML/Artifact" index="6" />
      <Extensions>
        <init:RequestInitiator Binding="urn:oasis:names:tc:SAML:profiles:SSO:request-init" Location="https://dldev.acm.org/Shibboleth.sso/Login" />
        <init:RequestInitiator Binding="urn:oasis:names:tc:SAML:profiles:SSO:request-init" Location="https://dldev.acm.org/Shibboleth.sso/Login" />
        <mdui:UIInfo>
          <mdui:DisplayName xml:lang="en">Association For Computing Machinery: ACM Digital Library</mdui:DisplayName>
        </mdui:UIInfo>
      </Extensions>
      <KeyDescriptor>
        <EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc" />
        <EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes192-cbc" />
        <EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes256-cbc" />
        <EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#tripledes-cbc" />
        <EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#rsa-oaep" />
        <EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p" />
        <ds:KeyInfo>
          <ds:X509Data>
            <ds:X509Certificate>
  						MIIC9zCCAd+gAwIBAgIJAI+sbsQ8QmviMA0GCSqGSIb3DQEBBQUAMBsxGTAXBgNV
  						BAMTEGFjbXdlYjEwLmFjbS5vcmcwHhcNMTMwNTMwMTk1NzI5WhcNMjMwNTI4MTk1
  						NzI5WjAbMRkwFwYDVQQDExBhY213ZWIxMC5hY20ub3JnMIIBIjANBgkqhkiG9w0B
  						AQEFAAOCAQ8AMIIBCgKCAQEAxJG8see4mAOsTX6VGC6W7gTjIxZp007VCSvwYkH5
  						I1Q2R4Hkl0DBWwwXlYklsZE07ycxDCEjGaqvxpON8/8V67IvlmvDdlpTmt8OQDmp
  						h8NpUR/FnOHuwdR8RDyQkQaCCLwFdeUBfAwvjZVpmAV/AgtPRd6nxb4PZW4XizAL
  						rmwWnPz3hxos5lyDKyzzwJJcqcTGSwD/qvYIk5miPfJgG0lhFTMJuukzpfdHv5Z0
  						BofyhshiiVE+soJ3ebPTcE1f2BBG+zLMuQT5ory36adzgnuvOjZC0f0RU53KYYf3
  						fCuC+/GUXzFBItOhSUatko38aib0QeQt4oD9yHsZA3ERQwIDAQABoz4wPDAbBgNV
  						HREEFDASghBhY213ZWIxMC5hY20ub3JnMB0GA1UdDgQWBBSINwJG8YRgFRwXUSje
  						6ydcAruXGjANBgkqhkiG9w0BAQUFAAOCAQEAiXKVkyxo8XBOs/Zs68wBX4bQqwmD
  						oz8qNKyDGRzoM86MrtoAX+GNcn1qs2xyAnQPM2YIdimUjxerdZv3YypCAwMrqwZk
  						UGFCQndqZs05IiQV6BxjJFXTCOV0dwQy5iJMM1cWtYS8DDN25J2WF6CsmNDXESpf
  						StYEnGYryPbfXB5QP5lJhafq67na/W5XlgOSdypgYLd+okt2KZxJrxGEGJ/Hvxdd
  						lpyyFlpO4zleVRFXhb2QFfX+bskV1H8L8NSPj+vhrAC8AQC/uotzzqoSx17Ka4ih
  						GmYriqXUnK+P3S5FP9oikKzKFzhgx+4xcNEroRKNHCVN3ZL2P/ORdCE0dQ==
  					</ds:X509Certificate>
          </ds:X509Data>
        </ds:KeyInfo>
      </KeyDescriptor>
      <SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP" Location="https://dldev.acm.org/Shibboleth.sso/SLO/SOAP" />
      <SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect" Location="https://dldev.acm.org/Shibboleth.sso/SLO/Redirect" />
      <SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://dldev.acm.org/Shibboleth.sso/SLO/POST" />
      <SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact" Location="https://dldev.acm.org/Shibboleth.sso/SLO/Artifact" />
    </SPSSODescriptor>
  </EntityDescriptor>
</EntitiesDescriptor>
