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
Matter Thread Dimmer Switch VTM31-SN
Inovelli
MYGGBETT door/window sensor
IKEA of Sweden
BILRESA dual button
IKEA of Sweden
Eve Energy
Eve Systems
TIMMERFLOTTE temp/hmd sensor
IKEA of Sweden
MYGGSPRAY wrlss mtn sensor
IKEA of Sweden
BILRESA scroll wheel
IKEA of Sweden
ALPSTUGA air quality monitor
IKEA of Sweden
Aqara Smart Light
Aqara
GRILLPLATS plug
IKEA of Sweden
KLIPPBOK water leak sensor
IKEA of Sweden
Essentials A19-A60
Nanoleaf
Eve Thermo
Eve Systems
Onvis Smart Plug S4
Onvis
Aqara Door and Window Sensor P2
Aqara
Matter Thread On/Off Switch VTM30-SN
Inovelli
Essentials Downlight
Nanoleaf
Tapo Mini Plug
TP-Link
Smart Multicolor Bulb
Tapo
KAJPLATS E27 WS globe 1521lm
IKEA of Sweden
KAJPLATS GU10 WS 575lm
IKEA of Sweden
KAJPLATS GU10 CWS 575lm
IKEA of Sweden
Eve Energy
Eve Systems
Matter Thread Fan and Light Module VTM36
Inovelli