The Group Key Management cluster (0x003F) is a Matter cluster that Manages cryptographic keys used for secure group communication.. It defines 6 commands and 4 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 4
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 |
| 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
722 devices in the survey implement this cluster
JINK-SWTH04QT
Longan.link
ABUS PREFIRA SMART (SX3050M)
ABUS
SN8102 WiFi Module
Hangzhou Sciener Smart Technology Co., Ltd.
WT410-Matter
MIUC Technology (Shenzhen) Co.,Ltd
Hisense Climate Control
Hisense
Sense by MACO | Window T&T
Mayer & Co Beschläge GmbH
Govee Smart TV Backlight 3S
Shenzhen Qianyan Technology
SMART MAT ORBIS DL 400 TW WT
LEDVANCE
WiZ Smart Plug
Signify Netherlands B.V.
ULTRALOQ Smart Door Lock
Xthings Inc.
TNKMSE251
tink GmbH
Shelly Plug PM
Shelly
eufy Smart Lock C34
Anker Innovations Technology Co., Ltd
WiZ A67.E27
Signify Netherlands B.V.
TNKGU1241
tink GmbH
Air 2000i
BOSCH
Smart Plug Mini
Meross
Ledvance Matter Classic A RGBW
LEDVANCE
4K4Q
Shelly
LIFX Downlight
LIFX
Smart sensor
Siegenia Aubi KG
MG-AU06WLP-XX
MAKEGOOD
Govee Outdoor S14 Bulb String Lights 2
Shenzhen Qianyan Technology
Tarken WM
TETNET