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
Smart A19 LED Bulb
HONG KONG LAUNRAY INDUSTRY LIMITED
Philips P45.E27
Signify
Philips Ceiling
Signify
SmartCeilingFan
Eran
Shelly 1PM Mini Gen3
Shelly
Cync Indoor Light Strip 16ft
GE Lighting, a Savant company
Smart Indoor Plug - Single outlet
Amazon Basics
Multi-State Sensor P100
Aqara
Midea_AC
Midea Group
KAJPLATS E12 WS B38 CL 450lm
IKEA of Sweden
Heiman smart CO sensor
HEIMAN
Smart Wi-Fi Outdoor Plug
Tapo
Smart Light
Tuya
Smart Button
HAOJAI
WiZ LED Strip
Signify
Home Relay 16A Thread
WAGO
Ledvance Matter PAR16 RGBW
LEDVANCE
X8S
Resideo
Govee Uplighter Floor Lamp
Shenzhen Qianyan Technology
Smart Switch MT1
ThirdReality
Tapo Smart Wi-Fi In-wall Outlet
Tapo
Mill Wi-Fi Panel Heater
Mill International AS
DEWENWILS 3 -Zone Transformer
DEWENWILS
Eve MotionBlinds
Eve Systems