OpenPGP and GNU Privacy Guard https://www.howtogeek.com/816878/how-to-back-up-and-restore-gpg-keys-on-linux/ One of the advantages of electronic files over paper hard copies is you can encrypt electronic files so that they are only accessible by…
Using a Yubikey for SSH on macOS
SSH 8.2 introduced support for using any U2F key in place of a private key file. Using it on macOS with full support for ssh-agent is a bit more complex.…