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
Home Blind Thread
WAGO GmbH & Co. KG
Smart RGBTW Bulb
Leedarson
Push Button Module
Insta GmbH
SAWF-08P
SONOFF
Midea_AC
Midea
Zemismart Smart Curtain
Zemismart Technology Limited
not-specified
Homebridge
Kasa Smart Wi-Fi Light Switch
Kasa
Aqara Light Switch H2
Aqara
arre Temperature Sensor
arre home LLC
Zemismart Thread Curtain Motor
Zemismart Technology Limited
Smart RGBTW Bulb
Leedarson
Linkind Smart Light Bulb
AiDot
ANTELA Smart Plug
ANTELA
Matter On/off Plug-in Unit
Quectel
Air Poly Fan
DREO PTE. LTD.
Smartlightbulb
Smart Home
Smart Mechanical Keyboard MK1
ThirdReality
R2416C
Dreame
Push-button battery-powered
Albrecht Jung GmbH & Co. KG
Xeenos Go Aktor Switch 2K UP
WAREMA Renkhoff SE
Decora Smart Wi-Fi 3nd Gen Dimmer
Leviton
Govee Star Light Projector (Nebula)
Shenzhen Qianyan Technology
Cync Full Color RS Can
GE Lighting, a Savant company