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
718 devices in the survey implement this cluster
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
Decora Smart Wi-Fi Fan Speed Controller
Leviton
TCL Window AC
TCL
Roborock Robotic Vacuum Cleaner
Roborock
Matter Over WiFi Smart Switch
SONOFF
SwitchBot Air Purifier
SwitchBot
Air 4000i
Bosch
Zemismart Inline Module
Zemismart Technology Limited
Smart Plug-in Unit
QIACHIP
Wall Outlet H2 UK
Aqara
LED Driver
MEAN WELL
Smart-Switch-M027-P002
Uascent
Linkind Smart Light Bulb
Leedarson
Smart Wi-Fi Outdoor Plug
Meross
Govee Outdoor String Lights 2
Shenzhen Qianyan Technology
Dreame L50 Pro Ultra
Dreame
eufy Robotic Vacuum
Anker Innovations Technology Co., Ltd
UA-SmartSwitch-M30-P002
Uascent
Aqara Smart Lock J200 Set
Aqara
Aqara Smart Thermostat W400
Aqara
Govee string lights
Shenzhen Qianyan Technology
Philips P45.E27
Signify Netherlands B.V.
Philips Ceiling
Signify Netherlands B.V.
Smart Wi-Fi Plug
Phaten