Created by loande on 3/2/15.
Created by loande on 6/29/15.
Created by loande on 6/26/15.
Created by loande on 6/26/15.
Created by loande on 6/26/15. This key source retrieves an PublicKey from a URL, retrieving which gets a PEM-contained, DER-encoded certificate. See https://tools.ietf.org/html/rfc5280#ref-X.690
Created by loande on 6/26/15.
Created by loande on 6/26/15. This key source retrieves an PublicKey from a URL, retrieving which gets a JWK set (JSON Web Key Set), from which a single key can be retrieved. See https://tools.ietf.org/html/draft-ietf-jose-json-web-key-41#section-5