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
Smart Wi-Fi Outdoor Plug
Tapo
Smart Light
Tuya
Smart Button
HAOJAI
Govee Uplighter Floor Lamp
Shenzhen Qianyan Technology
Mthread
MiBoxer
Home Relay 16A Thread
WAGO
Yale Linus L2
Yale
Mill Wi-Fi Panel Heater
Mill International AS
DEWENWILS 3 -Zone Transformer
DEWENWILS
Eve MotionBlinds
Eve Systems
Cync Full Color Undercabinet 24"
GE Lighting, a Savant company
Air 4000i
Bosch
Switch unit with inputs for external buttons MATTER
ELKO EP, s.r.o.
A19 Smart RGB Led Bulb
Leedarson
Tapo Smart Hub
Tapo
Smart RGBTW Bulb
Leedarson
R2416C
Dreame
Dreame Aqua10 Ultra Track Complete
Dreame
Linkind Smart Light Bulb
Leedarson
Wi-Fi Smart Plug
SONOFF
Cync Full Color A21
GE Lighting, a Savant company
Smart Wall Switch
SONOFF
Ledvance Matter Classic B P RGBW
LEDVANCE
Govee Holiday Projector Lights
Shenzhen Qianyan Technology