Introduction to web auth
eg OAuth, SAML, OpenID Connect
User requests to use service
Service redirects user to IdP with authentication request
User authenticates with IdP
IdP redirects user to service with signed response
User requests to use service
Service redirects user to Identity Hub Service with authentication request
User selects IdP
Hub redirects user to selected IdP with authentication request
User authenticates with IdP
IdP redirects user back to hub with signed response
Hub redirects user back to service with signed response
