@startuml
file key [
    Sleutel
    <size:40><&key></size>
]
file privatekey [
    Sleutel A: Privésleutel
    <size:40><&key></size>
]
file publickey [
    Sleutel B: Publieke sleutel
    <size:40><&key></size>
]
key -do-> privatekey
key -do-> publickey
@enduml

