Kerberos Integration with RedHat SSO for RESTful Clients

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Hi All,

I am thinking of integrating Kerberos with the REDHAT SSO to provide single sign-on to a service Provider.

I explored the documentation and it seems it supports Resource owner password credentials grant (Direct Access Grants)
Red Hat Customer Portal
for RESTful clients, where the username and password are to be passed to RH-SSO.

But I need a solution where the OS level authentication can be used to login through RH-SSO, as Kerberos retains the TGT of user during OS login.
For browser it seems the Kerberos integration supports with seamless login for users, Red Hat Customer Portal

Is there a possibility where a REST client can perform SSO using Kerberos through RHSSO without prompting login page (username/password) to the user (OS authentication to be used) ?

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