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
651 devices in the survey implement this cluster
Kasa Smart Wi-Fi Dimmer Switch
Kasa
Smart Night Light Thread
ThirdReality
Smart Presence Sensor
Meross
Eve Energy
Eve Systems
Eve Dimmer Switch
Eve Systems
Smart Plug Mini
Meross
Govee Neon Light
Shenzhen Qianyan Technology
Govee Floor Lamp 3
Shenzhen Qianyan Technology
Cync Paddle Dimmer
GE Lighting, a Savant company
Aqara Hub M200
Aqara
Smart Plug
Realwe Innovation
F1s203-EU
MOES
SwitchBot Air Purifier
SwitchBot
Decora Smart Wi-Fi Motion Sensing Dimmer
Leviton
SwitchBot Relay Switch 1PM
SwitchBot
Cync Indoor Plug
GE Lighting, a Savant company
Smart RGBTW Bulb
Leedarson
Tapo Smart Plug, Energy Monitoring
Tapo
SAWF-08P
SONOFF
Eve Energy
Eve Systems
SONOFF MINI-D Wi-Fi Smart Switch
SONOFF
Heiman smart smoke sensor
HEIMAN
Tapo Smart Wi-Fi Dimmer Switch, 3-way kit
Tapo
Aqara Light Switch H2
Aqara