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
651 devices in the survey implement this cluster
WiZ LED Strip
Signify
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
Cono Lamp
Umbra
WiZ A60 Filament
Signify
Nuki Smart Lock
Nuki
WiZ A67.E27
Signify
Wi-Fi Smart Plug
SONOFF
Smart-Home-Bridge JS
Schoenberger
Tapo Smart Wi-Fi In-wall Outlet
Tapo
Smart Light
Uascent
2BMOG-LKMSD411A
LOCKIN (U.S.) INC.
Cup Lamp
Umbra
Floor Lamp T1
Aqara
WiZ G95 Filament
Signify
WiZ A.E27
Signify
Tedee GO2
Tedee
Smart Rainbow LED
MOMAX Technology (Hong Kong) Limited
00176655
Hama GmbH
BHT-18
BECA
Glass touch controller in an elegant black or white glass variant - 8 mm width
ELKO EP s.r.o
Cync Indoor Light Strip 16ft
GE Lighting, a Savant company
Dreame Aqua10 Ultra Track Complete
Dreame
Power Plug H2 EU
Aqara
Power Plug H2 EU（RGB）
Aqara