Best Security Framework to secure and authenticate an iPhone app which uses REST?

Question

I built an iPhone app which transfers data via a REST web service (Jersey) via JSON objects to a Java middle tier back end...

Question(s):

(1) What is the best

Answer 1

I did a demo at JavaOne at the beginning of June that used Jersey on the server, OAuth (via OpenSSO) and a JavaFX client. The code is somewhat experimental, but it might be useful to you - see this blog entry - especially comment #2. There's also a video that explains it at a high level. I used XML, but, since OAuth works at the HTTP level, it works equally well for JSON.

BTW - there's an Objective C OAuth Consumer implementation - I haven't used it, but Pownce did.