Re: [OAUTH-WG] Fwd: OAuth Security Consideration Text

2011-05-11 Thread Breno
On Wed, May 11, 2011 at 7:23 PM, Lodderstedt, Torsten < t.lodderst...@telekom.de> wrote: > Hi Breno, > > thanks for the feedback. Please find my comments inline. > > > > > > > Now higher level comments: > > > > > > On Native Apps protection of refresh token: > > > > > > On section Definitions, the

Re: [OAUTH-WG] consistency of token param name in bearer token type

2011-05-11 Thread Eran Hammer-Lahav
The name needs to be unique enough not to conflict with likely parameters already used by providers. I don’t have an opinion which name is better, just that it was oauth_token before and when we changed the scheme name to Bearer, changed it too. EHL From: oauth-boun...@ietf.org [mailto:oauth-b

[OAUTH-WG] consistency of token param name in bearer token type

2011-05-11 Thread Doug Tangren
This may have come up before so I'm sorry if I'm repeating. Why does bearer token spec introduce a new name for oauth2 access tokens [1], "bearer_token", and before that [2], "oauth_token"? I apologize if this may sound shallow but, why introduce a new parameter name verses sticking with what the

Re: [OAUTH-WG] Fwd: OAuth Security Consideration Text

2011-05-11 Thread Lodderstedt, Torsten
Hi Breno, thanks for the feedback. Please find my comments inline. > > > > Now higher level comments: > > > > On Native Apps protection of refresh token: > > > > On section Definitions, there is a sentence in the Native Apps "It is > > assumed that such applications can protect dynamically issued

Re: [OAUTH-WG] BCP for returning HTTP Authentication (2617) Error Status (questions from the OAuth WG)

2011-05-11 Thread Mark Nottingham
My .02 - On 10/05/2011, at 2:49 AM, Eran Hammer-Lahav wrote: > The OAuth working group has defined an authorization protocol [1] for > delegating access to protected resources. Once access has been authorized, > the client is issued a set of token credentials which are uses to make > authenti

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Breno
On Wed, May 11, 2011 at 3:26 PM, Lodderstedt, Torsten < t.lodderst...@telekom.de> wrote: > > > > Through registration and redirect URI validation. A native app does > > not have to impersonate, they can just register a user-agent client. > > Everything boils down to the user trusting the app. As B

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Lodderstedt, Torsten
> > Through registration and redirect URI validation. A native app does > not have to impersonate, they can just register a user-agent client. > Everything boils down to the user trusting the app. As Breno mentions, > nothing the spec can do to help with that. It could recommend the authorization

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Marius Scurtescu
On Wed, May 11, 2011 at 11:44 AM, Lodderstedt, Torsten wrote: > How shall the authorization server ensure that the calling client is a > user-agent based app (i.e. a native app could impersonate an user-agent based > app)? Through registration and redirect URI validation. A native app does not

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Breno
On Wed, May 11, 2011 at 11:44 AM, Lodderstedt, Torsten < t.lodderst...@telekom.de> wrote: > How shall the authorization server ensure that the calling client is a > user-agent based app (i.e. a native app could impersonate an user-agent > based app)? > > In my opinion, enforcing explicit user cons

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Lodderstedt, Torsten
How shall the authorization server ensure that the calling client is a user-agent based app (i.e. a native app could impersonate an user-agent based app)? In my opinion, enforcing explicit user consent is the only way to prevent this kind of attack. regards, Torsten. > -Ursprüngliche Nach

[OAUTH-WG] Fwd: OAuth Security Consideration Text

2011-05-11 Thread Hannes Tschofenig
Breno did a review of the security draft. Thanks a lot! Begin forwarded message: > From: Breno de Medeiros > Date: May 7, 2011 4:25:53 AM GMT+03:00 > To: Hannes Tschofenig > Subject: Re: OAuth Security Consideration Text > > Hi Hannes, > > I have gone through the test and I have a few edits a

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Breno
On Wed, May 11, 2011 at 11:32 AM, Breno wrote: > > > On Tue, May 10, 2011 at 4:43 PM, Lodderstedt, Torsten < > t.lodderst...@telekom.de> wrote: > >> Hi Marius, >> >> wrt "auto-approval": how is the authorization server supposed to validated >> the client's identity in a reliable way? Otherwise an

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Breno
On Tue, May 10, 2011 at 4:43 PM, Lodderstedt, Torsten < t.lodderst...@telekom.de> wrote: > Hi Marius, > > wrt "auto-approval": how is the authorization server supposed to validated > the client's identity in a reliable way? Otherwise another application > (using the id of the legitimate client) co

Re: [OAUTH-WG] oauth2 implicit flow user experience

2011-05-11 Thread Marius Scurtescu
On Tue, May 10, 2011 at 4:43 PM, Lodderstedt, Torsten wrote: > Hi Marius, > > wrt "auto-approval": how is the authorization server supposed to validated > the client's identity in a reliable way? Otherwise another application (using > the id of the legitimate client) could abuse the authorizatio

[OAUTH-WG] I-D Action:draft-ietf-oauth-v2-http-mac-00.txt

2011-05-11 Thread Internet-Drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Authentication Protocol Working Group of the IETF. Title : HTTP Authentication: MAC Access Authentication Author(s) : E. Hammer-Lahav, et al.

Re: [OAUTH-WG] OAuth Interim Meeting

2011-05-11 Thread Doug Tangren
Thanks guys. Added my name to the list. -Doug Tangren http://lessis.me ___ OAuth mailing list OAuth@ietf.org https://www.ietf.org/mailman/listinfo/oauth

Re: [OAUTH-WG] OAuth Interim Meeting

2011-05-11 Thread Barry Leiba
Doug says... > 2. Is this open to implementors of the spec in addition to it's authors? > (I'm currently implementing draft 15 as developer @ meetup.com) Eran says... > This is an official interim working group meeting which goes by all the > normal IETF rules of such meetings and is open for all.

Re: [OAUTH-WG] BCP for returning HTTP Authentication (2617) Error Status (questions from the OAuth WG)

2011-05-11 Thread Julian Reschke
On 09.05.2011 18:49, Eran Hammer-Lahav wrote: ... The OAuth WG is seeking guidance on the following questions: 1. Should the WG define a general purpose method for returning errors with a 401 WWW-Authenticate headers, including a cross-scheme error code registry? ... Not sure. Are there error