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
547 devices in the survey implement this cluster
tado Smart Radiator Thermostat X
tado° GmbH
Eve Door & Window
Eve Systems
Tapo Smart Wi-Fi Light Switch
TP-Link
Aqara Hub
Aqara
YS1606-UC
t0bst4r
Eve Motion
Eve Systems
Presence Multi-Sensor FP300
Aqara
KAJPLATS E27 CWS globe 1055lm
IKEA of Sweden
Matter Thread Fan Switch VTM35-SN
Inovelli
SmartPlug
Espressif Systems
Aqara Climate Sensor W100
Aqara
Smart Plug-in Unit
SONOFF
KAJPLATS E27 WS G95 clear 806lm
IKEA of Sweden
KAJPLATS E14 CWS globe 806lm
IKEA of Sweden
Smart RGBTW Bulb
Leedarson
Aqara Motion and Light Sensor P2
Aqara
DIRIGERA Hub for smart products
IKEA of Sweden
Aqara Smart Lock U200
Aqara
SmartWings Window Covering
SmartWings
Aqara Hub
Aqara
Eve Thermo Control
Eve Systems
Aqara Hub
Aqara
H600D
Shenzhen Qianyan Technology
Essentials BR30
Nanoleaf