EAP-SIM simulation, how does Freeradius calculate MAC value in AT_MAC attribute

[Tabibel Sami]

I would like to clarify that eap-sim supplicant i am developping,
interract with freeradius server to do 802.1x authentication.
thank you anyway.
Regards.

On Sat, Apr 13, 2013 at 8:39 PM, Tabibel Sami <sami.tabibel at gmail.com> wrote:
> Ok thank you for reply .
>
> On Sat, Apr 13, 2013 at 8:34 PM, Alan DeKok <aland at deployingradius.com> wrote:
>> Tabibel Sami wrote:
>>> I am working on the implementation of  an EAP-SIM supplicant,
>>
>>   That doesn't have much to do with FreeRADIUS.
>>
>>> when i send to freeradius a EAP-Response/SIM/Start packet i receive as
>>> expected an EAP-Resquest/SIM/Challenge with AT_RAND (RAND value was
>>> specified in users file [2]) and AT_MAC, after this I should calculate
>>> MAC value and test if this value matches witch AT_MAC value sent by
>>> freeradius.
>>>
>>> my question is how freeradius calculate MAC value in AT_MAC atribute ?
>>
>>   See the source code.
>>
>>> or from wich source freeradius fill MAC value in the AT_MAC attribute ?
>>
>>   See the source code.
>>
>>   We're not in the business of helping you debug your code.
>>
>>   Alan DeKok.
>> -
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