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
565 devices in the survey implement this cluster
Govee Tree Floor Lamp
Shenzhen Qianyan Technology
Govee Outdoor Flood Light 2
Shenzhen Qianyan Technology
Smart Air Purifier 2 (Sensor)
Shenzhen Qianyan Technology
eufy Robotic Vacuum
Anker Innovations Technology Co., Ltd
Govee Strip Light with Tower Kit
Shenzhen Qianyan Technology
Govee Star Light Projector
Shenzhen Qianyan Technology
WiZ Linear
Signify
Kasa Smart Wi-Fi Light Switch
Kasa
LIFX Spot
LIFX
Govee TV Backlight 3 Lite
Shenzhen Qianyan Technology
Grimsholm Smart Irrigation Valve
Grimsholm Products AB
Pulse Pro Hub
Rollease Acmeda
LIFX A21
LIFX
Govee Net lights
Shenzhen Qianyan Technology
Floor Cleaning Robot
Ecovacs
Govee Strip Light 2 Pro
Shenzhen Qianyan Technology
Brain Cube Matter bridge
Matic Robots, Inc
Xeenos Go Aktor Jalousie UP
WAREMA Renkhoff SE
twunby
Ecovacs
Robotic Vacuum Cleaner
Roborock
tado Wireless Temperature Sensor X
tado° GmbH
Air purifier lite
xCREAS
Robotic Vacuum Cleaner
Roborock
Govee RGBIC Pro LED Strip Lights
Shenzhen Qianyan Technology