Fix FHIR-45950 and FHIR-40017 by including references previously on b…

…ackend-services.md

input/pages/references.md

@@ -1 +1,12 @@
-References(TBD)
+### Underlying Standards
+
+* [HL7 FHIR RESTful API](http://www.hl7.org/fhir/http.html)
+* [RFC5246, The Transport Layer Security Protocol, V1.2](https://tools.ietf.org/html/rfc5246)
+* [RFC6749, The OAuth 2.0 Authorization Framework](https://tools.ietf.org/html/rfc6749)
+* [RFC7515, JSON Web Signature](https://tools.ietf.org/html/rfc7515)
+* [RFC7517, JSON Web Key](https://www.rfc-editor.org/rfc/rfc7517.txt)
+* [RFC7518, JSON Web Algorithms](https://tools.ietf.org/html/rfc7518)
+* [RFC7519, JSON Web Token (JWT)](https://tools.ietf.org/html/rfc7519)
+* [RFC7521, Assertion Framework for OAuth 2.0 Client Authentication and Authorization Grants](https://tools.ietf.org/html/rfc7521)
+* [RFC7523, JSON Web Token (JWT) Profile for OAuth 2.0 Client Authentication and Authorization Grants](https://tools.ietf.org/html/rfc7523)
+* [RFC7591, OAuth 2.0 Dynamic Client Registration Protocol](https://tools.ietf.org/html/rfc7591)