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
641 devices in the survey implement this cluster
SmartWings Window Covering
SmartWings
H6076A
Shenzhen Qianyan Technology
Kasa Smart IoT Hub
Kasa
LEDVANCE MATTER PLUG CH
LEDVANCE
Smart Indoor Plug - Single outlet
Amazon Basics
Aqara Thermostat Hub W200
Aqara
F-SS01W
Shenzhen Huayu Lian Technology
Govee Floor Lamp
Shenzhen Qianyan Technology
Floor Cleaning Robot
ECOVACS
VARMBLIXT table/wall lamp
IKEA of Sweden
Philips Smart TV
Top Victory Electronics
Dimmable Light
EcoDim
Eve MotionBlinds
Eve Systems
WiZ A.E27
Signify
Smart Wi-Fi Thermostat
Meross
Smart Mini Air Purifier
Shenzhen Qianyan Technology
eufy Robotic Vacuum
Anker Innovations Technology
LEDVANCE MATTER COMPACT OUTD PLUG
LEDVANCE
H6013
Shenzhen Qianyan Technology
Smart Wi-Fi Switch
Meross
Smart Bulb
Leedarson
MT-SL-ONOFF
Sunricher
Dual Window Covering
Sunfree Motor
A19 Smart Bulb
Yankon