On Fri, 09 Feb 2018 16:11:01 -0500
> but I can't for the life of me figure out how to cryptographically > verify the legitimacy of install62.iso with SHA256.sig. I've never done it on linux however try signify -C -p /etc/signify/openbsd-62-base.pub -x SHA256.sig https://man.openbsd.org/signify