A small cheat sheet for using gpg (when prompted for
“user ID”, it means the email address):
$ gpg -e file # encrypt the file "file" $ gpg file # decrypt the file "file" $ gpg --gen-key # create a keypair $ gpg --list-keys # list public keys $ gpg --list-private-keys # list private keys $ gpg --import file # import keys from "file" $ gpg --export -a "user_id" # export a key (private/public): $ gpg --export > file # export all public keys to "file" $ gpg --export-secret-keys > file2 # export all private keys to "file2" $ gpg --edit-key -a "user_id" # to sign a key, select 'sign'back