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
548 devices in the survey implement this cluster
Radiant Smart Receptacle
Legrand Group
Sengled Multicolor A19 Bulb
Sengled
Govee AI Sync Box Kit 2
Shenzhen Qianyan Technology
Tedee GO2
Tedee
Smart Roller Shutter Switch
Meross
Sense by MACO | Window T&T
Mayer & Co Beschläge GmbH
electronic ballast for matter
dresden elektronik
Philips Smart TV
Top Victory Investments Limited
Govee string lights
Shenzhen Qianyan Technology
Govee Star Light Projector
Shenzhen Qianyan Technology
WiZ Linear
Signify Netherlands B.V.
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
TEST_VENDOR
Aqara Smart Lock J200 Set
Aqara
Xeenos Go Aktor Jalousie UP
WAREMA Renkhoff SE
twunby
ECOVACS