INDEXHABOUTHcopyright © samir amberkar

1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
1.12
1.13
1.14
1.15
1.16
1.17
1.18
1.19
1.20

2.1

3.1
3.2
3.3
3.4
3.5




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3GPP Modem
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LTE NAS Security - 2
  UE MME

new-left4.JPG Security Mode Command
(integrity/ciphering algoritm, NONCEUE, NONCEMME)
LTE-mapping-arrow-703689.png
UMTS

KSI
CK
IK
Ciphering algo
Integrity algo

 mapped EPS NAS

eKSI=KSISGSN/y=KSI
KSGSN
UL NAS count=0
DL NAS count=0
UE security capability
KNASint/Enc algo id
KNASenc/Int algo id




































Copyright © Samir Amberkar Page 6 of 8


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