[Fiware-fabulous-coaching] Object Storage GE authentication

[Piotr Stępnicki]

Dear Support Team,

I am participant of *FABulous accelerator programme* (part of *FIWARE)* and
I would like to use *Object Storage GE* in my project.

I've managed to use this GE but I was little confused when reading
documentation and I am not sure if I understand correctly authentication
procedure (the other part of API for this GE is pretty straigthforward).
My questions:

   1. The docs say that authentication is not a part of *cdmi* specification
   but implementation feature - but which implementation? The underlying
   OpenSwift or the code that is build on top of Open Swift?).


   1. How does the auth procedure is related to *IDM GE* by *FIWARE*? Does
   this GE use this IDM as *authorization server*? From what I've seen from
   docs the *url* it queries for tokens is different from the adress of
   Token Provider of *IDM GE authorization server *on* FI-LAB - *so no*.*
   2. What is the relation between *FI-LAB* user (I*DM GE* stuff) and
   tenant/user concept of* Object Storage GE*
   3. I am new to web security stuff(started reading 3 days ago), but I
   would like to ask for better understanding: Is the authentication procedure
   implementation of *OAuth2* paradigm? If so, for which authorization
   flow: Client Credentials/*Password based grant/other?*


*By authorization server i understand the thing that issues tokens.*


With Regards,
Piotr Stępnicki,
*3DModelComposer*
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