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 Mini
Meross
Govee Cutain Lights
Shenzhen Qianyan Technology
A19 Smart Bulb
Energetic
Smart Wi-Fi Switch
Meross
UA-SmartPlug-M023-US102
Uascent
Comet Matter
Eurotronic Technology GmbH
Smart Bulb
L-TRADE
Smart Hub
Meross
WiZ A.E27
Signify
SONOFF SwitchMan Smart Wall Switch
SONOFF
Eve MotionBlinds
Eve Systems
SmartSetup Thread 4Channel Power Controller
SmartSetup
Shelly 1PM Gen3
Shelly
WiFi Smart Switch
SONOFF
IM Pushbutton Module
innovation matters
LIFX BR30
LIFX
Cync Full Color RS Can
GE Lighting, a Savant company
Govee Outdoor Strip Light 2
Shenzhen Qianyan Technology
Cync Full Color 3" Puck
GE Lighting, a Savant company
VARMBLIXT table/wall lamp
IKEA of Sweden
SwitchBot AI Hub
SwitchBot
Cync Full Color Deco Candle Base
GE Lighting, a Savant company
Smart Mini Air Purifier
Shenzhen Qianyan Technology
UA-SmartPlug-M028-US101
Uascent