GPG keys aren't 2038-safe?
RFC 1991 only gives them 4 bytes (32bit); not sure if there have been any later additions to rectify this but I don’t think so since even the latest RFC (9580) has them listed as 4 bytes…
https://datatracker.ietf.org/doc/html/rfc1991
https://www.rfc-editor.org/rfc/rfc9580#section-3.5
> A time field is an unsigned 4-octet number containing the number of seconds elapsed since midnight, 1 January 1970 UTC.
RFC 1991 only gives them 4 bytes (32bit); not sure if there have been any later additions to rectify this but I don’t think so since even the latest RFC (9580) has them listed as 4 bytes…
https://datatracker.ietf.org/doc/html/rfc1991
https://www.rfc-editor.org/rfc/rfc9580#section-3.5