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
Kasa Smart Wifi Plug, Energy Monitoring
Kasa
LIFX Downlight
LIFX
Shelly 1 Gen4
Shelly
SmartSetup Thread 1-Channel Power Controller
SmartSetup
Shelly Power Strip 4 Gen4
Shelly
Tapo Smart Power Strip
Tapo
Essentials Lightstrip
Nanoleaf
Smart Presence Sensor
Meross
TNKDSE261
tink
VARMBLIXT table/wall lamp
IKEA of Sweden
Aqara Camera Hub
Aqara
Smart Night Light-W
ThirdReality
Shelly Plug US Gen4
Shelly
Shelly Plug M Gen3
Shelly
SwitchBot Relay Switch 1
SwitchBot
Cync Keypad Dimmer
GE Lighting, a Savant company
KAJPLATS E12 WS globe 800lm
IKEA of Sweden
Govee LED Strip Light M1
Shenzhen Qianyan Technology
KAJPLATS E12 CWS globe 800lm
IKEA of Sweden
Cync Paddle Dimmer
GE Lighting, a Savant company
SmartWings Levitate with DUCTECH
DUCTECH
Smart Outlet Extender
Shenzhen Qianyan Technology
Govee Gaming Light Bars Pro
Shenzhen Qianyan Technology
Govee Glide Wall Light
Shenzhen Qianyan Technology