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
565 devices in the survey implement this cluster
Touchscreen Switch S100
Aqara
Tapo Smart Plug, Energy Monitoring
Tapo
Govee Outdoor Deck Lights
Shenzhen Qianyan Technology
LIFX Permanent Outdoor
LIFX
lipro gateway
lipro
Nanoleaf Outdoor Lights
Nanoleaf
Cync Indoor Light Strip 16ft
GE Lighting, a Savant company
Govee string lights
Shenzhen Qianyan Technology
X8S
Resideo
Philips Candle
Signify Netherlands B.V.
Philips GU10
Signify Netherlands B.V.
Govee Ceiling Light
Shenzhen Qianyan Technology
SmartCeilingFan
Eran
matter-thread-light
Espressif Systems
Smart A19 LED Bulb
HONG KONG LAUNRAY INDUSTRY LIMITED
Philips P45.E27
Signify Netherlands B.V.
Philips Ceiling
Signify Netherlands B.V.
Smart Switch MT1
ThirdReality
Heiman smart CO sensor
HEIMAN
LIFX A19
LIFX
Tapo Smart Wi-Fi In-wall Outlet
Tapo
Shelly 1PM Mini Gen3
Shelly
Smart Indoor Plug - Single outlet
Amazon Basics
Philips A60 Filament
Signify Netherlands B.V.