Configure OAuth Provider:-

Configuring the OAuth provider is similar to the OpenID, but you need to configure the application with provider by following steps mention in the msdn. appID and appScret key as parameter to the Register

http://blogs.msdn.com/b/webdev/archive/2012/08/15/oauth-openid-support-for-webforms-mvc-and-webpages.aspx

Example:

            
            OAuthWebSecurity.RegisterFacebookClient(
                appId: "12345678",
                appSecret: "asdf234sdfwer324");