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
Nuki Smart Lock
Nuki
Shelly 1PM Mini Gen4
Shelly
Hue Bridge Pro
Signify
Shelly Power Strip 4 Gen4
Shelly
Govee Table Lamp 2
Shenzhen Qianyan Technology
arre Button
arre home LLC
ITIUS E27 RGB+CCT
ITIUS
SwitchBot Light
SwitchBot
Aqara Smart Lock U200 Lite
Aqara
Smart RGBTW Bulb
Leedarson
Cync Full Color A19
GE Lighting, a Savant company
Smart Wi-Fi Power Strip
Tapo
FRITZ!OS Matter Bridge
FRITZ!
Shelly Plug M Gen3
Shelly
Eve MotionBlinds
Eve Systems
KAJPLATS E27 WS globe 470lm
IKEA of Sweden
Shelly Flood Gen4
Shelly
Aqara Shutter Switch H2
Aqara
SmartSetup Thread 1-Channel Power Controller
SmartSetup
Tapo Smart Wi-Fi Dimmer Switch
TP-Link
TEST_PRODUCT
YoSmart Inc.
Aqara Floor Heating Thermostat W500
Aqara
Cync Keypad Dimmer
GE Lighting, a Savant company
Smart Outlet Extender
Shenzhen Qianyan Technology