Use Cases
Federated PKD Aggregation
Keys from Local PKDs are aggregated in a federated PKD for use by verification applications.
ACTORS:
- Local PKD – acts as a node within a trust network
- Aggregating/Federated PKD – trusted aggregation of public keys and trusted services from nodes
TRANSACTION: Mirror Local PKD
Federated Verification
Verifications can cryptographically verify health credentials using keys retrieved from the Federated PKD.
ACTORS:
- Universal Verification Application – verifies health documents using Public Key Infrastructure (PKI)
- Local PKD – acts as a node within a trust network
- Aggregating/Federated PKD – trusted aggregation of public keys and trusted services from nodes
TRANSACTION: Request PKD
Dynamic Business Rule Validation
Validate one or more verified COVID credential against a dynamic business rule.
ACTORS:
- Universal Verification Application – executes business rules against verified health documents
- Business Rules Library – trusted service, provided by a node within a trust network, to share business rules using Clinical Quality Language (CQL) specification
PRE-CONDITION: Verification Application has passed Verification Workflow
TRANSACTIONS: Request Business Rule Updates, Execute Business Rule
OUT OF SCOPE: consolidating business rules across trust network members