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
TNKGU1241
tink GmbH
Govee LED Strip Light
Shenzhen Qianyan Technology
Matter Zigbee Bridge
ThirdReality
MG-AU06WLP-XX
MAKEGOOD
Smart RGBTW Bulb
Leedarson
Smart Wi-Fi Switch
Meross
Smart-Switch-M027-T002
Uascent
Smart Plug
Lidl Stiftung & Co. KG
Smart Bulb
Leedarson
Ledvance Matter Classic A RGBW
LEDVANCE
Philips Smart TV
Top Victory Investments Limited
Govee Strip Light 2 Pro
Shenzhen Qianyan Technology
SmartWave Window Covering
SmartWave
Ledvance Matter Classic B P RGBW
LEDVANCE
1Home Server
1Home Solutions GmbH
SwitchBot Air Purifier
SwitchBot
Shelly 2PM Gen3
Shelly
Smart Rainbow LED
Momax
SwitchBot Relay Switch 2PM
SwitchBot
Halo Select
Kwikset
WiZ G95 Filament
Signify Netherlands B.V.
Floor Cleaning Robot
ECOVACS
Smart Plug
Shenzhen Xenon Industrial Ltd
Yeelight Smart Lamp
Yeelight