On Wed, Sep 18, 2019 at 7:09 AM Ruwan Abeykoon <[email protected]> wrote:

> Hi Nipun,
> This is supported OOTB [1]
>
> [1] https://docs.wso2.com/display/IS570/Working+with+ACR+and+AMR
>

Does this support with back channel authentication + token granting ?

Thanks
Asela.


>
> Cheers,
> Ruwan A
>
> On Wed, Sep 18, 2019 at 12:44 AM Nipun Thathsara <[email protected]> wrote:
>
>> Hello Everyone,
>>
>> *Use case :*
>> An Oauth application supports accessing both high value and low value
>> resources. Say these resources are protected with two types of scopes as
>> highValueScope and lowValueScope respectively. User can obtain an access
>> token for the lowValueScope with just basic authentication and continue
>> accessing low value resources (Balance between security and the user
>> experience). Whenever the user decides to access a higher value resource
>> (or maybe perform a high value transaction), they indeed need to obtain
>> another access token with the highValueScope. As the name implies, this
>> scope requires a step-up authentication (OTP maybe). Thereafter, the user
>> is free to access either resource.
>>
>> *Practical scenario :*
>> Banking system requesting higher levels of authentication upon performing
>> a transaction worth over 1 million.
>>
>> *Catering this with a custom grant : *
>> First token would be obtained by providing the user credentials (code
>> grant). Once the step-up authentication (SMS OTP here) is triggered, this
>> would be handled by a custom grant which accepts a Bearer token (previously
>> obtained) and issues/validates sms otp for the user. Upon a  successful
>> verification only, the second access token will be issued to the
>> application.
>>
>> *Suggestion :*
>> Believe that this is a common use case and the WSO2 Identity Server
>> should be addressing this OOTB rather than going for customizations. Which
>> will enable users to easily adopt any kind of authenticator we support as
>> their step-up option and make the process seamless as much as possible.
>>
>> Appreciate your thoughts.
>>
>> Cheers,
>> --
>>
>> *Nipun Thathsara*
>> Software Engineer | WSO2
>>
>> Email : [email protected]
>> Mobile : +94713031875
>> Web : http://wso2.com
>> [image: http://wso2.com/signature] <http://wso2.com/signature>
>>
>
>
> --
> Ruwan Abeykoon | Director/Architect | WSO2 Inc.
> (w) +947435800  | Email: [email protected]
>
>

-- 
Thanks & Regards,
Asela

Mobile : +94 777 625 933

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