> you shouldn't have long-lived public keys used for confidentiality.
This statement is generic and misleading. Using long-lived keys for confidentiality is bad in real-time messaging, but for non-ephemeral use cases (file encryption, backups, archives) it is completely fine AND desired.
> Would "fetch a short-lived age public key" serve your use case?
This statement is generic and misleading. Using long-lived keys for confidentiality is bad in real-time messaging, but for non-ephemeral use cases (file encryption, backups, archives) it is completely fine AND desired.
> Would "fetch a short-lived age public key" serve your use case?
Sadly no.