The Group Key Management cluster (0x003F) is a Matter cluster that Manages cryptographic keys used for secure group communication.. It defines 6 commands and 5 attributes and is mandatory for 1 device type.
Group Key Management 0x003F
Manages cryptographic keys used for secure group communication.
Spec History
This cluster's ClusterRevision across the Matter releases it has shipped in. Click a version to inspect the cluster as it existed in that release.
Attributes 5
Commands 6
Features 2
| Code | Name | Type | Flags |
|---|---|---|---|
| 0x0000 | GroupKeyMap | array | Writable write: manage |
| 0x0001 | GroupTable | array | |
| 0x0002 |
MaxGroupsPerFabric
default 0
|
int16u | |
| 0x0003 |
MaxGroupKeysPerFabric
min 1 · default 1
|
int16u | |
| 0x0004 | GroupcastAdoption | array | Writable Optional Provisional read: administer write: administer |
| Code | Name | Direction | Parameters |
|---|---|---|---|
| 0x00 |
KeySetWrite
invoke: administer
This command is used by Administrators to set the state of a given Group Key Set, including atomically updating the state of all epoch keys.
|
client→server |
GroupKeySet: GroupKeySetStruct |
| 0x01 |
KeySetRead
invoke: administer
This command is used by Administrators to read the state of a given Group Key Set.
|
client→server |
GroupKeySetID: int16u |
| 0x02 |
KeySetReadResponse
This command SHALL be generated in response to the KeySetRead command, if a valid Group Key Set was found.
|
server→client |
GroupKeySet: GroupKeySetStruct |
| 0x03 |
KeySetRemove
invoke: administer
This command is used by Administrators to remove all state of a given Group Key Set.
|
client→server |
GroupKeySetID: int16u |
| 0x04 |
KeySetReadAllIndices
invoke: administer
This command is used by Administrators to query a list of all Group Key Sets associated with the accessing fabric.
|
client→server | None |
| 0x05 |
KeySetReadAllIndicesResponse
This command SHALL be generated in response to KeySetReadAllIndices and it SHALL contain the list of _GroupKeySetID_ for all Group Key Sets associated with the scoped Fabric.
|
server→client |
GroupKeySetIDs: int16u |
CacheAndSync
(CS)
bit 0
Provisional
The ability to support CacheAndSync security policy and MCSP
Groupcast
(GCAST)
bit 1
The device supports groups using the Groupcast cluster
Device Types Using This Cluster
Device types in the Matter spec that reference this cluster
Devices Implementing This Cluster
711 devices in the survey implement this cluster
NL44
Nanoleaf
2BMOG-LKMSD411A
LOCKIN (U.S.) INC.
Govee Strip Light 2 Pro
Shenzhen Qianyan Technology
Govee Strip Light 2 Pro
Shenzhen Qianyan Technology
Tapo Smart Plug, Energy Monitoring
Tapo
Cync Full Color 3" Puck
GE Lighting, a Savant company
not-specified
TOMMY
Smart Light
Uascent
Glass touch controller in an elegant black or white glass variant - 8 mm width
ELKO EP s.r.o
UA-SmartPlug-M028-US101
Uascent
Bold Elite
Bold Security Technology BV
Dreame X50 Ultra Complete
Dreame
Philips A60 Filament
Signify
EUD64NPN-IPM
Eltako
Govee string lights
Shenzhen Qianyan Technology
Plug Compact [+M]
BOSCH
Cono Lamp
Umbra
WiZ A60 Filament
Signify
Smart Mini Air Purifier
Shenzhen Qianyan Technology
SmartCeilingFan
Eran
Nuki Smart Lock
Nuki
WiZ A67.E27
Signify
Yale Linus Smart Lock L2 Lite
ASSA Abloy AB
Eve MotionBlinds
Eve Systems