wpa_supplicant EAP-SIM and EAP-AKA auth methods
Mon Aug 30 18:12:50 PDT 2010
Thanks Jouni and Shy
2010/8/30 Jouni Malinen <j at w1.fi>
> On Mon, Aug 30, 2010 at 11:18:56AM +0800, BaoZhong ZHENG wrote:
> > I am working on Android platform, due to there is no library which
> > encapsulates SIM card operations such as GSM auth and AKA auth interface,
> > I want to change the SIM operations from sync API call to Async message
> > flow, I means when need to do GSM auth, wpa_supplicant sends one message
> > some component which can trigger GSM auth operation, and it will response
> > the result to wpa_supplicant.
> There seems to be some work going on in getting pcsc-lite working fine
> with Android. I don't no how far that is, but just to point out that
> there may be other alternatives for this..
> > The current point is when I try to break eap_sim_process_challenge func
> > after send GSM Auth request and return, when results come, I do not find
> > way into eap_sim_process_challenge func with GSM Auth results.
> wpa_supplicant does not support this in the current EAP peer state
> machine design. There is somewhat similar functionality in hostapd for
> EAP server where EAP-SIM or EAP-AKA authentication data is fetched
> asynchronously. That is somewhat of a hack, but something similar could
> work with the EAP peer side, too. Alternatively, the EAP peer method API
> would need to be extended to allow asynchronous operations (with
> potentially changing all existing EAP peer method implementations or
> probably preferably, by adding an optional callback function that avoids
> Jouni Malinen PGP id EFC895FA
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