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
653 devices in the survey implement this cluster
Spotless Cleaning Robot
Bosch / Siemens / Gaggenau / Neff - Home Appliances
TNKPLU261
tink GmbH
LIFX A19
LIFX
Govee Outdoor Flood Light 2
Shenzhen Qianyan Technology
Smart Outdoor Plug-In Dimmer
Tapo
Eve MotionBlinds
Eve Systems
Smart Wi-Fi Thermostat
Meross
Philips A60 Filament
Signify
Govee Ceiling Light
Shenzhen Qianyan Technology
Zemismart Smart Curtain
Zemismart Technology Limited
WiZ A19
Signify
WiZ GU10
Signify
Zemismart WiFi Smart Switch
Zemismart Technology Limited
Govee Outdoor Spotlights 2
Shenzhen Qianyan Technology
Smart Plug
Lidl Stiftung & Co. KG
Ledvance Matter PAR16 RGBW
LEDVANCE
not-specified
Matterbridge
LIFX Switch
LIFX
Ledvance Matter Classic A RGBW
LEDVANCE
Zemismart WiFi Smart Switch
Zemismart Technology Limited
WiZ Color Strip
Signify
Govee Outdoor Strip Light Pro
Shenzhen Qianyan Technology
Shelly Presence Gen4
Shelly
Govee Uplighter Floor Lamp
Shenzhen Qianyan Technology