The Group Key Management cluster (0x003F) is a Matter cluster that Manages cryptographic keys used for secure group communication.. It defines 6 commands and 4 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 4
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 |
| 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
770 devices in the survey implement this cluster
Smart Tower Fan 2 Max (42 Inch)
Shenzhen Qianyan Technology
tado Wireless Temperature Sensor X
tado° GmbH
Govee Recessed Downlight 2
Shenzhen Qianyan Technology
KAJPLATS E12 WS B38 CL 450lm
IKEA of Sweden
Heiman smart CO sensor
HEIMAN
Nuki Smart Lock
Nuki
Smart Plug
Leedarson
Govee Ceiling Light Pro
Shenzhen Qianyan Technology
Tapo Smart Wi-Fi Lamp Dimmer Kit
TP-Link
Door Sensor
NEO
Shelly 1PM Mini Gen3
Shelly
Radiator Thermostat II [+M]
Bosch
TOFSMYGGA plug black/outdoor
IKEA of Sweden
Matter Power Strip
0x1481
Smart Plug Mini
Meross
ESP32C3Bulb
Smart Home
Aqara Spatial Multi-Sensor FP400
Aqara
Aqara Smart Light
Aqara
KAJPLATS GU10 CWS 575lm
IKEA of Sweden
Aqara Floor Heating Thermostat W500
Aqara
SONOFF SwitchMan Smart Wall Switch
SONOFF
Essentials Wifi Smart Light
Nanoleaf
Govee RGBICWW Floor Lamp Pro
Shenzhen Qianyan Technology
Smart Bulb Filament
Hama GmbH