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
641 devices in the survey implement this cluster
SMART WIFI MAT WALL SWITCH 2G
LEDVANCE
Smart-Home-Bridge JS
Schoenberger
Cup Lamp
Umbra
2BMOG-LKMSD411A
LOCKIN (U.S.) INC.
Tapo Smart Wi-Fi In-wall Outlet
Tapo
Shelly 1PM Mini Gen3
Shelly
WiZ LED Strip
Signify
WiZ A.E27
Signify
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
00176655
Hama GmbH
Philips A19
Signify
Smart Rainbow LED
Momax
Wi-Fi Smart Plug
SONOFF
Smart Switch
MOES
Cync Indoor Light Strip 16ft
GE Lighting, a Savant company
Glass touch controller in an elegant black or white glass variant - 8 mm width
ELKO EP s.r.o
Zemismart Smart Curtain
Zemismart Technology Limited
WiZ A19
Signify
WiZ GU10
Signify
Govee Outdoor Spotlights 2
Shenzhen Qianyan Technology
Tedee GO2
Tedee
Dreame Aqua10 Ultra Track Complete
Dreame
LIFX A19
LIFX
BHT-18
BECA