The Group Key Management cluster (0x003F) is a Matter cluster that Manages cryptographic keys used for secure group communication.. It defines 6 commands and 4 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 4
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 |
| 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
770 devices in the survey implement this cluster
EUD64NPN-IPM
Eltako
Govee Cutain Lights
Shenzhen Qianyan Technology
Dreame Aqua10 Ultra Track Complete
Dreame
Cono Lamp
Nanoleaf
Smart RGBTW Bulb
Leedarson
KAJPLATS E26 WS globe 450lm
IKEA of Sweden
Glass touch controller in an elegant black or white glass variant - 8 mm width
ELKO EP s.r.o
LED Driver
MEAN WELL
Plug Compact [+M]
Bosch
eufy FamiLock E35
Anker Innovations Technology
NL44
Nanoleaf
Smart WiFi Socket with Energy Monitoring
Huacheng Network
Yale Linus Smart Lock L2 Lite
ASSA Abloy AB
SmartCeilingFan
Eran
XIAO Soil Moisture Sensor MoT
AUTOMATOUS.IO
Philips A60 Filament
Signify Netherlands B.V.
Govee LED Strip Light
Shenzhen Qianyan Technology
Govee Outdoor Flood Light 2
Shenzhen Qianyan Technology
Matter Over WiFi Smart Switch
SONOFF
eufy Smart Lock E31
Anker Innovations Technology
Magic Cube A001
Chengdu Energy Magic Cube
WiZ Candle
Signify Netherlands B.V.
LED Strip T2
Aqara
WiZ Smart Plug
Signify Netherlands B.V.