@startuml
:Certificate Authority A:
:Certificate Authority B:
actor Alice
actor Bob
actor Charlie
actor Dirk
:Certificate Authority A: -do-> Alice : Certificaat van Alice
:Certificate Authority A: -do-> Bob : Certificaat van Bob
:Certificate Authority B: -do-> Charlie : Certificaat van Charlie
:Certificate Authority B: -do-> Dirk : Certificaat van Dirk
@enduml

