$ brew info --json gnupg
gnupg: stable 1.4.20 (bottled)
GNU Pretty Good Privacy (PGP) package
$ brew install gnupg
http://www.integralist.co.uk/posts/security-basics.html https://www.gnupg.org/gph/en/manual/x56.html
Llave publica:
~/.ssh/id_rsa.pub
Llave privada:
~/.ssh/id_rsa
Para obtener la huella digital (SSH RSA)
$ ssh-keygen -lf ~/.ssh/id_rsa.pub
en las ultimas versiones de ssh-keygen
$ ssh-keygen -E md5 -lf ~/.ssh/id_rsa.pub