Show navigation5 Choreography5.1 Overall Choreography5.2 Cloud-based storage choreography5.2.1 Introduction5.2.2 File naming convention5.2.3 Acknowledgement5.3 Web Service Choreography5.3.1 Introduction5.3.2 Choreography5.3.3 Personalising the feed5.3.4 Web Service set-up and authentication5.3.5 Identifying RIN message senders without authentication5.3.6 POST RIN Message5.4 Digitally signing RIN messages5.4.1 Overview5.4.2 Signing5.4.3 Evaluating a signature