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
LIFX Ceiling
LIFX
WiZ Smart Plug
Signify
WiZ P45.E14
Signify
LIFX Switch
LIFX
Ledvance Matter Classic A RGBW
LEDVANCE
Robotic Vacuum Cleaner
Roborock
OREiN Bath Fan OL05S
AiDot
Cync Full Color Undercabinet 24"
GE Lighting, a Savant company
Govee Outdoor Strip Light Pro
Shenzhen Qianyan Technology
Govee Smart Bulb
Shenzhen Qianyan Technology
WiZ A67.E27
Signify
Decora Smart Wi-Fi Fan Speed Controller
Leviton
arre Contact Sensor
TUO Accessories LLC
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
Haiku L Series
Big Ass Fans
eufy FamiLock E35
Anker Innovations Technology
TCL Window AC
TCL
Zemismart Inline Module
Zemismart Technology Limited
Air 4000i
BOSCH
Govee Outdoor Tree Spotlights
Shenzhen Qianyan Technology
XIAO Soil Moisture Sensor MoT
riddix
Smart-Switch-M027-P002
Uascent
Philips Hue Light
Signify
LED Strip T2
Aqara