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
651 devices in the survey implement this cluster
Smart Plug
Hama GmbH
Dendo SCM Matter Window Covering
Dendo Systems
Zemismart M1 Hub
Zemismart Technology Limited
H7107
Shenzhen Qianyan Technology
Aqara Light Switch H2
Aqara
Heiman smart motion sensor
HEIMAN
Push Button Module
Insta GmbH
WiFi Smart Switch
SONOFF
Cync Full Color RS Can
GE Lighting, a Savant company
Smart Hub
Meross
Shelly Plug US Gen4
Shelly
WiZ A21.E26
Signify Netherlands B.V.
Heiman smart door sensor
HEIMAN
VARMBLIXT table/wall lamp
IKEA of Sweden
Cync Full Color Deco Candle Base
GE Lighting, a Savant company
Philips G95 Filament
Signify Netherlands B.V.
Smart Mechanical Keyboard MK1
ThirdReality
Decora Smart Wi-Fi 3nd Gen Dimmer
Leviton
TNKE27241
tink GmbH
Govee Smart Bulb
Shenzhen Qianyan Technology
Eve Energy Outdoor
Eve Systems
WiZ Downlight
Signify Netherlands B.V.
eufy Robot Vacuum Omni S1
Anker Innovations Technology Co., Ltd
Aqara Light Switch H2
Aqara