I have created an OAuth 2.0 authorization service using OWIN OAuth 2.0 Authorization Server by following the steps at http://www.asp.net/aspnet/overview/owin-and-katana/owin-oauth-20-authorization-server
I am using the Resource Owner Credentials flow.
My client is an MVC app. I am able to get the access token, etc. from the OWIN Auth server.
However, the resource server is built using ServiceStack and now I am not sure how to authenticate the resource services using the OWIN Auth.
Edit I am using DotNetOpenAuth library in the resource server. However, it requires me to specify the certificate details for signing and encryption. However, I have not specified any certificates in the OWIN auth service. So I am not sure, what I need to do to have DotNetOpenAuth library not require certificates for decoding the access token.