Set fixed TMSI and Kc

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Set fixed TMSI and Kc

Simian Denson
Hi,

in the osmocom bb mobile.cfg I don't see any posibility to set a fixed
Kc encryption key and the tmsi.

How could I achieve that osmocom uses my defined Kc and tmsi?

cheers,
Simian

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Re: Set fixed TMSI and Kc

rave
Simian Denson <dzesve <at> ymail.com> writes:

>
> Hi,
>
> in the osmocom bb mobile.cfg I don't see any posibility to set a fixed
> Kc encryption key and the tmsi.
>
> How could I achieve that osmocom uses my defined Kc and tmsi?
>
> cheers,
> Simian
>
>
Hi,

Can anyone please answer Simians question, How do you add KC to osmocom-bb
mobile.cfg?

Thank you
Rave




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Re: Set fixed TMSI and Kc

alex
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tmsi can be at testcard but kc its look like secret but what for if its limited service only :)

can any one explaine to beginner how work mobil app ?
For me its not working because all what i got its limited service which is useless.
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Re: Set fixed TMSI and Kc

alex
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i did many times.
i see kc at interface.c setup its correct?  but cannt check because limited service even for sim reader its never register to network.
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Re: Set fixed TMSI and Kc

alex
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i did everything and tx and diff branchs, real sim , test sim nothing.  
bcch runnig ts2  even this fix.
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Re: Set fixed TMSI and Kc

alex
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Re: Set fixed TMSI and Kc

alex
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mobil.cfg test
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Re: Set fixed TMSI and Kc

alex
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sim reader limited service same
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Re: Set fixed TMSI and Kc

alex
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i am provide mobil.cfg you can see
specify stick to arfcn but I try diff options and no stick too
same time show subscr give all info from simcard
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Re: Set fixed TMSI and Kc

alex
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network-selection auto or manual?
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Re: Set fixed TMSI and Kc

alex
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for short moment connection was active but after this


<0001> gsm48_rr.c:2170 PAGING ignored, we are not camping.
<0001> gsm48_rr.c:673 MON: f=646 lev=-78 snr= 0 ber=  0 LAI=255 03 69a7 ID=463f
<0001> gsm48_rr.c:1601 RANDOM ACCESS (requests left 1)
<0001> gsm48_rr.c:1658 RANDOM ACCESS (Tx-integer 20 combined no S(lots) 109 ra 0x07)
<0001> gsm48_rr.c:1697 Use MS-TXPWR-MAX-CCH power value 0 (30 dBm)
LOSS counter for CCCH 86
Dropping frame with 61 bit errors
<0003> gsm322.c:3026 Loss of CCCH.
<0003> gsm322.c:3031 Keep cell selected after loss, so we can use the Neighbour cell information for cell re-selection.
<0003> gsm322.c:3090 Loss of SACCH, Trigger RR abort.
<000e> gsm48_rr.c:2902 Radio link lost signal
<0001> gsm48_rr.c:2909 LOS during RACH request
<0001> gsm48_rr.c:366 new state connection pending -> idle
<0003> gsm322.c:4037 (ms 1) Event 'EVENT_RET_IDLE' for Cell selection in state 'connected mode 1'
<0003> gsm322.c:3565 Selecting ARFCN 646(DCS). after LOC.UPD.
<0003> gsm322.c:463 Sync to ARFCN=646(DCS) rxlev=-79 (Sysinfo, ccch mode NON-COMB)
<0003> gsm322.c:823 new state 'connected mode 1' -> 'C3 camped normally'
<0005> gsm48_mm.c:3902 (ms 1) Received 'RR_REL_IND' from RR in state wait for RR connection (location updating) (sapi 0)
<0005> gsm48_mm.c:2732 RR link released after loc. upd.
<000e> gsm48_mm.c:2676 Location update failed
<000e> gsm48_mm.c:2686 Try location update later
<0005> gsm48_mm.c:2688 Loc. upd. failed, retry #0
<0005> gsm48_mm.c:413 starting T3211 (loc. upd. retry delay) with 15.0 seconds
<0005> gsm48_mm.c:1143 We are camping normally as returning to MM IDLE
<0005> gsm48_mm.c:1159 Loc. upd. allowed.
<0005> gsm48_mm.c:919 new state wait for RR connection (location updating) -> MM IDLE, location updating needed
<0005> gsm48_mm.c:909 new MM IDLE state location updating needed -> attempting to update
<0005> gsm48_mm.c:2215 Loc. upd. already pending.
<0005> gsm48_mm.c:4311 (ms 1) Received 'MM_EVENT_CELL_SELECTED' event in state MM IDLE, attempting to update
<0005> gsm48_mm.c:2215 Loc. upd. already pending.
<0003> gsm322.c:2981 Channel sync error, try again
<0003> gsm322.c:463 Sync to ARFCN=646(DCS) rxlev=-79 (Sysinfo, ccch mode NON-COMB)
<0003> gsm322.c:2938 Channel synched. (ARFCN=646(DCS), snr=16, BSIC=38)
<0001> gsm322.c:2959 using DSC o
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Re: Set fixed TMSI and Kc

alex
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<0005> subscriber.c:601 Requesting SIM file 0x2fe2
<000f> sim.c:209 got new job: SIM_JOB_READ_BINARY (handle=00000004)
<000f> sim.c:697 go MF
<000f> sim.c:241 SELECT (file=0x3f00)
<000f> sim.c:187 sending APDU (class 0xa0, ins 0xa4)
<000f> sim.c:876 received APDU (len=0 sw1=0x00 sw2=0x00)
<000f> sim.c:952 command failed
<000f> sim.c:151 sending result to callback function (type=1)
<0005> subscriber.c:657 SIM reading failed

this log when use testsim
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Re: Set fixed TMSI and Kc

alex
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i did
its log with a5/1 on
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Re: Set fixed TMSI and Kc

alex
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its look like lost signal every time but bts have good signal from monitor
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Re: Set fixed TMSI and Kc

alex
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gsmmap branch
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