$ faketime '2020-01-01 00:00:00 UTC' sscg -f --lifetime 395 --cert-file=expired.crt --cert-key-file=expired.key$ faketime '2020-01-01 00:00:00 UTC' sscg -f --lifetime 3650 --cert-file=100years.crt --cert-key-file=100years.key
$ faketime '2020-01-01 00:00:00 UTC' sscg -f --lifetime 395 --cert-file=expired.crt --cert-key-file=expired.key$ faketime '2020-01-01 00:00:00 UTC' sscg -f --lifetime 3650 --cert-file=100years.crt --cert-key-file=100years.key