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
Aqara Hub M200
Aqara
Essentials Holiday String Lights
Nanoleaf
Sengled Smart Matter A60 bulb
Sengled
Zemismart Thread Curtain Motor
Zemismart Technology Limited
KAJPLATS E26 WS globe 1100lm
IKEA of Sweden
Tapo Smart Plug, Energy Monitoring
Tapo
H600C
Shenzhen Qianyan Technology
F1s203-EU
MOES
Smart Bulb Filament
Hama GmbH
A8M
L-TRADE
Govee AI Sync Box 2
Shenzhen Qianyan Technology
Tapo Smart Wi-Fi Dimmer Switch, 3-way kit
Tapo
Aqara Camera Hub
Aqara
Smart Window Shade Tubular Motor
JLM
Govee Recessed Downlight 2
Shenzhen Qianyan Technology
Tapo Smart Plug, Energy Monitoring
Tapo
Sailsco Smart Bulb RGB+CCT
Saishigao
Aqara Light Switch H2
Aqara
MT-RGBCCT
Sunricher
SH Matter Bridge
Bosch
00176656
Hama GmbH
Shelly EM Mini Gen4
Shelly
Smart Power Strip
Meross
Nanoleaf Indoor Lights
Nanoleaf