GSM - (. ) . GSM PIN- ISDN ( 17).
GSM (. 21.13) SIM- (Subscriber Identity Module ), . SIM- AUC :
Ki i;
3.
3 (. 21.13, ) SRES (Signed Response) :
RAND 128 ;
Ki i. AUC IMSI .
. 21.13. GSM
RAND (. 21.13, ). SRES . SRES , .
, IMSI. GSM SIM-. IMSI , GSM- (.. HLR) . IMSI , . IMSI , . IMSI . , . IMSI. , . SIM- LAI (Local Area Identity). , LAI, MS , SIM-. LAI , MS .
( MS) . MS . MS (LAI) TMSI (Temporary Mobile Subscriber Identity), . MSC VLR . VLR TMSI , .
|
|
TMSI IMSI . TMSI GSM, .. SRES, (. 21.13, ).
, VLR TMSI , . LAI, . LAI VLR, MS. VLR , VLR, MSI.
, , TMSI. TMSI LAI. VLR HLR. , HLR VLR VLR. TMSI LAI VLR, TMSI .