10.2.43 SECURITY MODE COMMAND
25.3313GPPProtocol specificationRadio Resource Control (RRC)Release 17TS
This message is sent by UTRAN to start or reconfigure ciphering and/or integrity protection parameters.
RLC-SAP: AM
Logical channel: DCCH
Direction: UTRAN to UE
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
|---|---|---|---|---|
|
Message Type |
MP |
Message Type |
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|
UE information elements |
||||
|
RRC transaction identifier |
MP |
RRC transaction identifier 10.3.3.36 |
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|
Integrity check info |
MP |
Integrity check info 10.3.3.16 |
||
|
Security capability |
MP |
Security capability 10.3.3.37 |
||
|
Ciphering mode info |
OP |
Ciphering mode info 10.3.3.5 |
Only present if ciphering shall be controlled |
|
|
Integrity protection mode info |
OP |
Integrity protection mode info 10.3.3.19 |
Only present if integrity protection shall be controlled |
|
|
CN Information elements |
||||
|
CN domain identity |
MP |
CN domain identity 10.3.1.1 |
Indicates which ciphering and integrity protection keys are applicable |
|
|
Other information elements |
||||
|
UE system specific security capability |
CH |
1 to <maxInterSysMessages> |
This IE is included if the IE "Inter-RAT UE radio access capability" was included in RRC CONNECTION SETUP COMPLETE message |
|
|
>Inter-RAT UE security capability |
MP |
Inter-RAT UE security capability 10.3.8.8a |