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
651 devices in the survey implement this cluster
Square D Wifi Receptacle
Schneider Electric
Tapo Smart Outdoor Plug
TP-Link
Dreame X50 Ultra
Dreame
Govee Pendant Light
Shenzhen Qianyan Technology
MT-RGBCCT
Sunricher
00176656
Hama GmbH
Level Bolt (Matter)
Level Home
Level Lock Pro
Level Home
Govee Neon Rope Light 2
Shenzhen Qianyan Technology
Smart RGBTW Bulb
Leedarson
Smart Plug Mini
Meross
Robot Vacuum Cleaner
Tapo
Govee Star Light Projector (Nebula)
Shenzhen Qianyan Technology
SwitchBot AI Hub
SwitchBot
EGLO-MAT-TW
EGLO
not-specified
t0bst4r
Air Purifier
AiDot
Govee Recessed Downlight
Shenzhen Qianyan Technology
Nuki Smart Lock
Nuki
Zemismart Roller Shade Driver
Zemismart Technology Limited
Smart universal beltwinder
Delta Dore Rademacher
LIFX Luna
Feit Electric
Tapo Smart Relay Module
Tapo
Tapo Smart Plug, Energy Monitoring
Tapo