The AS is independently authenticating the user and the client in separate 
steps.

Thus it is the AS binding that relation between user and client together 
ultimately in a scoped access token through a 3-leg process. 

Phil

Sent from my phone.

On 2013-01-08, at 23:18, cspzhouroc <[email protected]> wrote:

>  
> 
> Do you mean the bounding information must be presented by the RO? The client 
> cannot trust the RO-client bounding information that is received from AS?
> 
>  
> 
> On Tue, 8 Jan 2013 23:00:03 -0800, Phil Hunt wrote:
> 
>> The idea is to form a bridge between a user, their user-agent, and the 
>> client application while at the same time keeping the security credential 
>> and the client app cred separate. 
>> The redirect with code flow enables the separate contexts to be bound 
>> together. 
>> As soon as you do this in one step, then the client app needs to be able to 
>> handle the users credentials (eg uid/pwd) directly. Remember that one of the 
>> original reasons for the auth flow was to eliminate the password 
>> anti-pattern. 
>> 
>> Phil
>> Sent from my phone.
>> 
>> On 2013-01-08, at 22:52, cspzhouroc <[email protected]> wrote:
>> 
>>> Dear Prabath:
>>> 
>>>  
>>> 
>>> But is it possible to include the the mapping between the user request and 
>>> the code in the message that the AS sends to the client directly?
>>> 
>>>  
>>> 
>>> Best Regards
>>> 
>>> Brent
>>> 
>>>  
>>> 
>>> On Wed, 9 Jan 2013 12:17:19 +0530, Prabath Siriwardena wrote:
>>> 
>>> 
>>> 
>>> On Wed, Jan 9, 2013 at 12:09 PM, Peng Zhou <[email protected]> wrote:
>>>> Dear Prabath:
>>>> 
>>>> Thank you very much for your responses :-)
>>>> 
>>>> However, I am still not quite sure why the authorization code must be
>>>> sent to the client through the RO's user-agent?
>>> One reason I see is, bringing the authorization code via User Agent - links 
>>> the user request to the authorization code. If AS directly sends the code 
>>> to the Resource Server the mapping between the user request and the code is 
>>> broken.
>>> Thanks & regards,
>>> -Prabath
>>>  
>>>> 
>>>> Best Regards
>>>> Brent
>>>> 
>>>> 2013/1/9 Prabath Siriwardena <[email protected]>:
>>>> > Prabath
>>> 
>>> 
>>> 
>>> -- 
>>> Thanks & Regards,
>>> Prabath
>>> Mobile : +94 71 809 6732 
>>> 
>>> http://blog.facilelogin.com
>>> http://RampartFAQ.com
>>> _______________________________________________
>>> OAuth mailing list
>>> [email protected]
>>> https://www.ietf.org/mailman/listinfo/oauth
>  
_______________________________________________
OAuth mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/oauth

Reply via email to