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 Provisional 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
Provisional
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
707 devices in the survey implement this cluster
Smart Wi-Fi Thermostat
Meross
WiZ A.E27
Signify
Home Blind Thread
WAGO GmbH & Co. KG
Touchscreen Switch S100
Aqara
Zemismart WiFi Smart Switch
Zemismart Technology Limited
00176655
Hama GmbH
Zemismart WiFi Smart Switch
Zemismart Technology Limited
Bold Elite
Bold Security Technology BV
Cync Full Color A21
GE Lighting, a Savant company
Dreame D20 Ultra
Dreame
SwitchBot Lock Vision
SwitchBot
Govee Holiday Projector Lights
Shenzhen Qianyan Technology
Heiman smart CO sensor
HEIMAN
Remote Switch
Fugetek
EUD62NPN-IPM/110-240V
Eltako
A19 Smart RGB Led Bulb
Leedarson
Nature Remo nano
Nature
Basic DIN Rail
SONOFF
Zemismart Smart Curtain
Zemismart Technology Limited
WiZ A19
Signify
WiZ GU10
Signify
Nanoleaf Outdoor Lights
Nanoleaf
Govee LED Strip Light
Shenzhen Qianyan Technology
Matter Over WiFi Dimmer Switch
SONOFF