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
EcoflowSmartPlug
EcoFlow Inc.
Smart Plug Mini
Meross
arre Button
TUO Accessories LLC
Eve MotionBlinds
Eve Systems
Smart RGBTW Bulb
Leedarson
SwitchBot Light
SwitchBot
Tapo Smart IoT Hub
Tapo
KAJPLATS E26 WS globe 1600lm
IKEA of Sweden
Eve Light Switch
Eve Systems
Shelly Flood Gen4
Shelly
Mthread
MiBoxer
Hue Bridge Pro
Signify
Govee Table Lamp 2
Shenzhen Qianyan Technology
Kasa Smart Wifi Plug, Energy Monitoring
Kasa
SwitchBot Robot Vacuum K11+
SwitchBot
Aqara Smart Lock U200 Lite
Aqara
Smart Wi-Fi Power Strip
Tapo
TNKDSE261
tink
Tapo Smart Power Strip
Tapo
SmartSetup Thread 1-Channel Power Controller
SmartSetup
LIFX Downlight
LIFX
TOFSMYGGA plug black/outdoor
IKEA of Sweden
Shelly Power Strip 4 Gen4
Shelly
KAJPLATS E26 WS globe 1100lm
IKEA of Sweden