Siemens TC63 Command Set page 367

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TC63 AT Command Set
14.2 AT^SXSM
(num)
<sw1>
Status information from the SIM about the execution of the actual command. It is returned in both cases, on suc-
cessful or failed execution of the command.
0...255
(num)
<sw2>
Status information from the SIM about the execution of the actual command. It is returned in both cases, on suc-
cessful or failed execution of the command.
0...255
(str)
<response>
Response in case of a successful completion of the previously issued SIM command.
If <command>=136 (RUN GSM ALGORITHM):
TC63 returns SRES and cipher key Kc as calculated by the SIM.
Byte(s)
1 - 4
5 - 12
Example
Use <command>=136 (RUN GSM ALGORITHM) to obtain SRES and cipher key Kc values as calculated by the
SIM.
at^sxsm=136,,0,0,16,"0011223
3445566778899AABBCCDDEEFF"
^SXSM:
144,0,00112233445566778899AA
BB
OK
TC63_ATC_V00.490
Confidential / Draft - Do not copy
Description
SRES - Signed RESponse
Kc - Cipher Key
Start SIM command "RUN GSM ALGORITHM" with 16 byte random
number.
SRES (bytes 1-4) and Cypher Key Kc (bytes 5-12) values as returned
by the SIM.
Page 367 of 501
s
Length
4
8
5/24/05

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