Siemens TC63 - page 367

TC63 AT Command Set

14.2 AT^SXSM s

TC63_ATC_V00.490 Page 367 of 501 5/24/05

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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

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

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.

Example

Use <command>=136 (RUN GSM ALGORITHM) to obtain SRES and cipher key Kc values as calculated by the

SIM.

<sw1>(num)

<sw2>(num)

<response>(str)

Byte(s) Description Length

1 - 4 SRES - Signed RESponse 4

5 - 12 Kc - Cipher Key 8

at^sxsm=136,,0,0,16,"0011223

3445566778899AABBCCDDEEFF"

Start SIM command "RUN GSM ALGORITHM" with 16 byte random

number.

^SXSM:

144,0,00112233445566778899AA

SRES (bytes 1-4) and Cypher Key Kc (bytes 5-12) values as returned

by the SIM.