9.2.30 AS Security Information
36.4233GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN)Release 17TSX2 Application Protocol (X2AP)
The AS Security Information IE is used to generate the key material to be used for AS security with the UE.
|
IE/Group Name |
Presence |
Range |
IE Type and Reference |
Semantics Description |
|
Key eNodeB Star |
M |
BIT STRING (256) |
KeNB* defined in TS 33.401 [18]. If the target cell belongs to multiple frequency bands, the source eNB selects the DL-EARFCN for KeNB* calculation as specified in section 10.3 of TS 36.331 [9]. |
|
|
Next Hop Chaining Count |
M |
INTEGER (0..7) |
Next Hop Chaining Count (NCC) defined in TS 33.401 [18] |