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
H7107
Govee
Smart Bulb
Leedarson
Air Poly Fan
DREO
Aqara Thermostat Hub W200
Aqara
Smart RGBTW Bulb
Leedarson
Tapo Smart Relay Module
Tapo
Midea_AC
Midea Group
Govee Neon Rope Light 2
Govee
SwitchBot Floor Lamp
SwitchBot
F-SS01W
Shenzhen Huayu Lian Technology Co., Ltd
MT-RGBCCT
Sunricher
Smart Switch MT1
ThirdReality
Smart Mini Air Purifier
Govee
The Matter Wired Gateway by MOES
MS
Smart Plug
Hama GmbH
Heiman smart motion sensor
HEIMAN
LEDVANCE MATTER PLUG CH
LEDVANCE
WiZ A.E27
Signify
00176656
Hama GmbH
MS1
Sensereo
Govee Ceiling Light Ultra
Govee
Eve Energy Outdoor
Eve
Roborock Robotic Vacuum Cleaner
Roborock
Smart Wi-Fi Thermostat
Meross