Would you be open/interested in a PR introducing new YAML types for encryptedconfig values?

See eghttps://github.com/daroczig/dbr/blob/master/R/config.R#L32

(Image source:http://bit.ly/user2018-dbr)

^^ Although that only supports Amazon KMS for now, but extending it with new types would be similarly easy. This way I could drop the custom functions from mydbr pkg and useconfig.