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
770 devices in the survey implement this cluster
Dreame D20 Ultra
Dreame
SBS0A
X-Sense
Dreame L50 Pro Ultra
Dreame
MP22M
NIE-TECH CO LTD
Decora Smart Wi-Fi Fan Speed Controller
Leviton
Air 4000i
Bosch
Hub 3
CANDY HOUSE
Linkind Smart Light Bulb
AiDot
A19 Smart RGB Led Bulb
Leedarson
Nature Remo nano
Nature
Zemismart downlight
Zemismart Technology Limited
Zemismart Smart Curtain
Zemismart Technology Limited
WiZ A19
Signify Netherlands B.V.
WiZ GU10
Signify Netherlands B.V.
LIFX Switch
LIFX
Ledvance Matter Classic A RGBW
LEDVANCE
Philips A19 Filament
Signify Netherlands B.V.
Govee Monitor Light Bar
Shenzhen Qianyan Technology
Dreame X40 Master
Dreame
Govee Outdoor Strip Light Pro
Shenzhen Qianyan Technology
Presence Multi-Sensor FP310
Aqara
Govee Smart Bulb
Shenzhen Qianyan Technology
Screen
HelloDaylight
Smart A19 LED Bulb
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