80591ST10886A Rev.2 Page 52 of 200 2018-07-02
This command allows a TE to retrieve EAP session parameters / derived keys after a run of the +CEAP
command. If the EAP session is handled by the UICC then the MT shall return the content of the elementary file
corresponding to the indicated <EAPparameter>. Those Efs are defined in ETSI TS 102 310 [66].
If the MT handles the EAP session then the MT shall return the corresponding parameter encoded as defined
for EAP files, see ETSI TS 102 310 [66].
For example, the keys shall be retrieved in the TLV format described in ETSI TS 102 310 [66].
If neither the MT nor the appropriate UICC application can provide the requested information (e.g. because the
requested EAP session ID does not exist), the MT shall respond with CME ERROR: 50 (Incorrect parameters).
Syntax
Write Command AT+CERP=<EAPsessionid>,<EAP
parameter>
+CERP: <EAP parameter response>
OK
-
Parameter Description
<EAPsessionid>
1 Keys
2 Status
3 Identity
4 Pseudonym
<EAPparameter>
1-4294967295
This is the identifier of the EAP session to be used in order to
retrieve the EAP parame
ters corresponding to an active EAP
session.
<EAP parameter response>
XXX
String type in hexadecimal character format. The format of
the parameter is defined in ETSI TS 102 310 [66]. The <EAP
parameter response> depends on the value of the
<EAPparameter>.
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