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
570 devices in the survey implement this cluster
Aqara Hub M200
Aqara
Cync Indoor Plug
GE Lighting, a Savant company
Eve Energy
Eve Systems
Heiman smart Humidity&Temperature Sensor
HEIMAN
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
KAJPLATS E12 WS globe 800lm
IKEA of Sweden
F1s203-EU
MOES
SONOFF MINI-D Wi-Fi Smart Switch
SONOFF
WiZ A19
Signify
Essentials Holiday String Lights
Nanoleaf
Sengled Smart Matter A60 bulb
Sengled
Govee AI Sync Box 2
Shenzhen Qianyan Technology
Zemismart Thread Curtain Motor
Zemismart Technology Limited
Tapo Smart Wi-Fi Dimmer Switch, 3-way kit
Tapo
Tapo Smart Plug, Energy Monitoring
Tapo
H600C
Shenzhen Qianyan Technology
A8M
L-TRADE
Govee Table Lamp Classic
Shenzhen Qianyan Technology
Tapo Smart Plug, Energy Monitoring
Tapo
SH Matter Bridge
Bosch
Smart Night Light Thread
ThirdReality
Robotic Vacuum Cleaner
Roborock
Govee Recessed Downlight 2
Shenzhen Qianyan Technology
Smart Window Shade Tubular Motor
JLM