Union of http://smart.who.int/trust/CodeSystem/WHO.TRUST.KEYUSAGE and http://smart.who.int/trust/CodeSystem/WHO.TRUST.KEYUSAGE

This is the CodeSystem that contains all the codes in WHO.TRUST.KEYUSAGE CodeSystem (http://smart.who.int/trust/CodeSystem/WHO.TRUST.KEYUSAGE) and WHO.TRUST.KEYUSAGE CodeSystem (http://smart.who.int/trust/CodeSystem/WHO.TRUST.KEYUSAGE). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 73aee981-9ae4-43ff-a965-5e3e13d844b8-8

This code system http://hl7.org/fhir/comparison/CodeSystem/73aee981-9ae4-43ff-a965-5e3e13d844b8-8 defines codes, but no codes are represented here

CodeDisplayDefinition
SCA Signer Certificate Authority (SCA)A certificate which acts a trust anchor in the verification of the certificate chain for the DSCs issued by a Trust Network participant
DSC Document Signing Certificate (DSC)A certificate which may be used to verify a digital signature within a Verfifiable Digital Health Certificate
TLS Transport Layer Security (TLS)Used for establishing (m)TLS connections with systems, in particular between the Trust Network Gateway and backend systems of a Trust Network Participant
UP Upload (UP)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