Generated Narrative: CodeSystem KeyUsage-DEV This case-insensitive code system http://smart.who.int/trust/CodeSystem/KeyUsage-DEV defines the following codes: Code Display Definition 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 DECA Data Exchange Certificate Authority (DECA) A certificate which acts a trust anchor in the verification of the certificate chain for the DESCs issued by a Trust Network Participant DESC Data Exchange Signing Certificate (DESC) A certificate which may be used to initiate a secure data exchange connection (e.g. mTLS) between Trust Network Participants 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
CodeSystem for GDHCN Key Usage that has usage codes for verification keys published to the Trust Network as defined by the [certificate governance](concepts_certificate_governance.html) for Development environment
A certificate which acts a trust anchor in the verification of the certificate chain for the DSCs issued by a Trust Network participant
A certificate which may be used to verify a digital signature within a Verfifiable Digital Health Certificate
Data Exchange Certificate Authority (DECA)
A certificate which acts a trust anchor in the verification of the certificate chain for the DESCs issued by a Trust Network Participant
Data Exchange Signing Certificate (DESC)
A certificate which may be used to initiate a secure data exchange connection (e.g. mTLS) between Trust Network Participants
Used for establishing (m)TLS connections with systems, in particular between the Trust Network Gateway and backend systems of a Trust Network Participant
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