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 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
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
548 devices in the survey implement this cluster
Smart Plug
Leedarson
LEDVANCE MATTER COMPACT OUTD PLUG
LEDVANCE
TOFSMYGGA plug black/outdoor
IKEA of Sweden
Sailsco Smart Plug
Saishigao
Cono Lamp
Umbra
WiZ A60 Filament
Signify Netherlands B.V.
M2D Bridge
innovation matters
WiZ A67.E27
Signify Netherlands B.V.
MT-SL-ONOFF
Sunricher
Govee Smart AI Sync Box
Shenzhen Qianyan Technology
Smart Light
Uascent
ML5
MiBoxer
Smart Wired Gateway Pro
Tuya
ULTRALOQ Smart Door Lock
U-tec Group Inc.
Aqara Thermostat Hub W200
Aqara
H61B8
Shenzhen Qianyan Technology
H61B9
Shenzhen Qianyan Technology
Dreame X50 Ultra Complete
Dreame
SMART WIFI MAT DUPLO 580 IP44 TW
LEDVANCE
WiZ G25 Filament
Signify Netherlands B.V.
Smart Mechanical Keyboard MK1
ThirdReality
Cup Lamp
Umbra
Smart Plug
SONOFF
Shelly Plug US Gen4
Shelly