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
Nuki Smart Lock
Nuki
LILJEBAGGE radiator thermostat
IKEA of Sweden
Matter Light Switch
AUTOMATOUS.IO
Govee Ceiling Light
Shenzhen Qianyan Technology
Philips Candle
Signify Netherlands B.V.
Philips GU10
Signify Netherlands B.V.
not-specified
AUTOMATOUS.IO
Govee Uplighter Floor Lamp
Shenzhen Qianyan Technology
WiZ G25 Filament
Signify Netherlands B.V.
Dreame X50 Ultra Complete
Dreame
Smart Bulb
NOUS TECHNOLOGY
Govee Strip Light 2 Pro
Shenzhen Qianyan Technology
Govee Square Ceiling Light
Shenzhen Qianyan Technology
Govee Outdoor Pathway Lights 2
Shenzhen Qianyan Technology
LIFX A19
LIFX
Decora Smart Wi-Fi 2nd Gen Mini Plug-In Dimmer
Leviton
Smart Light
Uascent
BHT-18
BECA
2BMOG-LKMSD411A
LOCKIN (U.S.) INC.
eufy FamiLock E34
Anker Innovations Technology
Matter Over WiFi Dimmer Switch
SONOFF
Govee string lights
Shenzhen Qianyan Technology
Govee Strip Light 2 Pro
Shenzhen Qianyan Technology
Zemismart M6 Hub
Zemismart Technology Limited