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
Govee Ceiling Fan With Lights
Shenzhen Qianyan Technology
Robotic Vacuum Cleaner
Roborock
SwitchBot Air Purifier
SwitchBot
Smart Plug-in Unit
QIACHIP
UA-SmartPlug-M028-US101
Uascent
Govee Holiday Projector Lights
Shenzhen Qianyan Technology
Aqara Smart Lock J200 Set
Aqara
Govee Outdoor S14 Bulb String Lights 2
Shenzhen Qianyan Technology
Smart Wi-Fi Thermostat
Meross
Eve MotionBlinds
Eve Systems
WiZ A60 Filament
Signify Netherlands B.V.
WiZ A67.E27
Signify Netherlands B.V.
Aqara Smart Thermostat W400
Aqara
TNKPLU261
tink
AIO Presence Sensor LWR02
GL Technologies
Outdoor String Lights H1
Aqara
Cync Full Color Undercabinet 24"
GE Lighting, a Savant company
LIFX Ceiling
LIFX
WiZ A.E27
Signify Netherlands B.V.
OREiN Bath Fan OL05S
AiDot
arre Contact Sensor
arre home LLC
SwitchBot Lock Vision
SwitchBot
LIFX Ceiling 13x26
LIFX
00176655
Hama GmbH & Co KG