WHO SMART Trust
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## : WHO GDHCN Key Usage ValueSet - XML Representation

Active as of 2025-04-02

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    <ValueSet xmlns="http://hl7.org/fhir">
      <id value="KeyUsage"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ValueSet KeyUsage</b></p><a name="KeyUsage"> </a><a name="hcKeyUsage"> </a><a name="KeyUsage-en-US"> </a><ul><li>Include these codes as defined in <a href="CodeSystem-KeyUsage.html"><code>http://smart.who.int/trust/CodeSystem/KeyUsage</code></a><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td><a href="CodeSystem-KeyUsage.html#KeyUsage-SCA">SCA</a></td><td>Signing Certificate Authority</td><td>A certificate which acts a trust anchor in the verification of the certificate chain for the DSCs issued by a Trust Network participant</td></tr><tr><td><a href="CodeSystem-KeyUsage.html#KeyUsage-DSC">DSC</a></td><td>Document Signing Certificate</td><td>A certificate which may be used to verify a digital signature within a Verfifiable Digital Health Certificate</td></tr><tr><td><a href="CodeSystem-KeyUsage.html#KeyUsage-UP">UP</a></td><td>Upload</td><td>Used to verify digital signature of cryptographically signed content uploaded to services within the Global Digital Health Certification Network, in particular the Trust Network Gateway</td></tr><tr><td><a href="CodeSystem-KeyUsage.html#KeyUsage-TLS">TLS</a></td><td>TLS</td><td>Used for establishing (m)TLS connections with systems, in particular between the Trust Network Gateway and backend systems of a Trust Network Participant</td></tr></table></li></ul></div>
      </text>
      <url value="http://smart.who.int/trust/ValueSet/KeyUsage"/>
      <version value="1.2.0"/>
      <name value="KeyUsage"/>
      <title value="WHO GDHCN  Key Usage ValueSet"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2025-04-02T15:21:33+02:00"/>
      <publisher value="WHO"/>
      <contact>
        <name value="WHO"/>
        <telecom>
          <system value="url"/>
          <value value="http://who.int"/>
        </telecom>
      </contact>
      <description value="ValueSet of codes for key usage codes"/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
        </coding>
      </jurisdiction>
      <compose>
        <include>
          <system value="http://smart.who.int/trust/CodeSystem/KeyUsage"/>
          <concept>
            <code value="SCA"/>
            <display value="Signing Certificate Authority"/>
          </concept>
          <concept>
            <code value="DSC"/>
            <display value="Document Signing Certificate"/>
          </concept>
          <concept>
            <code value="UP"/>
            <display value="Upload"/>
          </concept>
          <concept>
            <code value="TLS"/>
            <display value="TLS"/>
          </concept>
        </include>
      </compose>
    </ValueSet>