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
Govee string lights
Shenzhen Qianyan Technology
Zemismart Inline Module
Zemismart Technology Limited
SMART MAT PAR16 RGBW GU10
LEDVANCE
Smart-Switch-M027-P002
Uascent
SMART WIFI MAT WALL SWITCH 2G
LEDVANCE
Eve Shutter Switch
Eve Systems
Yale Linus Smart Lock L2 Lite
Yale
Govee Outdoor Flood Light 2
Shenzhen Qianyan Technology
Glass touch controller in an elegant black or white glass variant - 8 mm width
ELKO EP, s.r.o.
Eve MotionBlinds
Eve Systems
Smart Wi-Fi Plug
Phaten
not-specified
Homebridge
Govee Ceiling Light Ultra
Shenzhen Qianyan Technology
Philips Smart TV
Top Victory Investments Limited
Smart Switch
MOES
Smart Wall Switch
SONOFF
Matter Over WiFi Dimmer Switch
SONOFF
BHT-18
Beca
Zemismart WiFi Smart Switch
Zemismart Technology Limited
OREiN Bath Fan OL05S
Leedarson
Smart Wi-Fi Thermostat
Meross
Robotic Vacuum Cleaner
Roborock
ESP32C
Espressif Systems
Zemismart WiFi Smart Switch
Zemismart Technology Limited