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
Roborock Robotic Vacuum Cleaner
Roborock
eufy Robot Vacuum Omni S1
Anker Innovations Technology
Floor Cleaning Robot
ECOVACS
Kasa Smart Wi-Fi Light Switch
Kasa
A19 Smart Bulb
Yankon
Zemismart M1 Hub
Zemismart Technology Limited
H6076A
Shenzhen Qianyan Technology
Govee string lights
Shenzhen Qianyan Technology
S10
SwitchBot
Aqara Light Switch H2
Aqara
Eve Energy
Eve Systems
MT-SL-ONOFF
Sunricher
Push-button battery-powered
Albrecht Jung GmbH & Co. KG
Dimmable Light
EcoDim
Heiman smart door sensor
HEIMAN
Decora Smart Wi-Fi 3nd Gen Switch
Leviton
Philips G95 Filament
Signify
Smart Mini Air Purifier
Shenzhen Qianyan Technology
SwitchBot Air Purifier
SwitchBot
R2416C
Dreame
Dual Window Covering
Sunfree Motor
PLUG-001/10SPW6
NEO
Anona Holo
Anona Security Tech, Ltd.
WiZ Downlight
Signify