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
564 devices in the survey implement this cluster
Smart Night Light Thread
ThirdReality
Shelly EM Mini Gen4
Shelly
Smart Power Strip
Meross
Aqara Light Switch H2
Aqara
MT-RGBCCT
Sunricher
00176656
Hama GmbH
Nanoleaf Indoor Lights
Nanoleaf
Matter On/off Plug-in Unit
Quectel
Heiman smart smoke sensor
HEIMAN
Govee Neon Light
Shenzhen Qianyan Technology
Govee Floor Lamp 3
Shenzhen Qianyan Technology
Cync Paddle Dimmer
GE Lighting, a Savant company
EGLO-MAT-TW
EGLO
arre Temperature Sensor
arre home LLC
Tapo Smart Wi-Fi Light Switch
Tapo
Yale Smart Lock with Matter over Thread
Fortune Brands
Govee Neon Rope Light 2
Shenzhen Qianyan Technology
Zemismart Roller Shade Driver
Zemismart Technology Limited
Smart HomeBase
Tapo
NSPanel Pro
SONOFF
LIFX Downlight
Feit Electric
Xeenos Go Aktor Switch 2K UP
WAREMA Renkhoff SE
SwitchBot Relay Switch 1PM
SwitchBot
Smartlightbulb
Espressif Systems