Fennosys root CA on Gentoo
Download Fennosys root CA
https://manuals.c1.fi/certs/Fennosys-PN-CA.crt
Follow official instructions
https://wiki.gentoo.org/wiki/Local_certificates
https://wiki.gentoo.org/wiki/Certificates
* Note: certutil is part of
dev-libs/nss USE=“nss-pem utils”
.