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
548 devices in the survey implement this cluster
Kasa Smart IoT Hub
Kasa
Smart RGBTW Bulb
Leedarson
Google Nest Thermostat
Google LLC
FocusPro S200 Smart Thermostat
Resideo
Eve Energy
Eve Systems
PIR Sensor
NEO
Nuki Smart Lock
Nuki
Tapo Smart Plug, Energy Monitoring
Tapo
Aqara Light Switch H2
Aqara
Magic Cube WS01
Energy Magic Cube
TOFSMYGGA plug black/outdoor
IKEA of Sweden
KAJPLATS GU10 CWS 575lm
IKEA of Sweden
S10
SwitchBot
Zemismart Smart Curtain
Zemismart Technology Limited
Aqara Light Switch H2
Aqara
Dendo SCM Matter Window Covering
Dendo Systems
TNKE27241
tink GmbH
eufy Robot Vacuum Omni S1
Anker Innovations Technology Co., Ltd
Philips Candle
Signify Netherlands B.V.
Philips GU10
Signify Netherlands B.V.
Push Button Module
Insta GmbH
The Matter Wired Gateway by MOES
MOES
Aqara Camera Hub G350
Aqara
Smart Roller Shutter Switch
Meross