Re[2]: How to get MSK/EMSK

[L'onia]

> > In the client application I need to get generated EMSK from the wpa_supplicant.
> 
> Could you please describe what you would be using the EMSK for?
> 
I'm  working on OMA DM protocol implementation for WiMAX. According to
WiMAX Forum specification EMSK should be used for Bootstrap Encryption
Key (BEK) derivation used for bootstrap message encryption.


> > Is the any wpa_cli (wpa_ctrl_request) command that can be used to retrieve the EMSK?
> 
> No, wpa_supplicant, or well, even the EAP peer implementation inside
> wpa_supplicant, does not current export EMSK due to the restrictions
> mandated by RFC 3748. This may be changed once a future RFC describes
> how the EMSK would be used, but for the time being, you would need to
> do some modifications into the EAP peer code and control interface if
> you would like to get that information exported.
> 
What  are  the purposes of EMSK generation and how the key is used for
now?

-- 
L'onia