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
Air 4000i
BOSCH
ESP32C
Smart Home
Haiku H/I Series
Big Ass Fans
Philips A.E27
Signify Netherlands B.V.
WiZ G95 Filament
Signify Netherlands B.V.
Smart Mini Air Purifier
Shenzhen Qianyan Technology
Decora Smart Wi-Fi Scene Controller Switch
Leviton
Smart Switch MT1
ThirdReality
Cync Full Color ST19
GE Lighting, a Savant company
Shelly 1 Gen3
Shelly
Remote Switch
Fugetek
SwitchBot Air Purifier
SwitchBot
H600B
Shenzhen Qianyan Technology
eufy FamiLock S3
Anker Innovations Technology
1Home Server
1Home Solutions GmbH
Govee Holiday Projector Lights
Shenzhen Qianyan Technology
Robotic Vacuum Cleaner
Roborock
Plug Compact [+M]
BOSCH
Linkind Smart Light Bulb
AiDot
Smart Plug Mini
Meross
GW60-Matter
MIUC
Brain Cube Matter bridge
TEST_VENDOR
Tapo Smart Plug, Energy Monitoring
Tapo
Govee Outdoor Deck Lights
Shenzhen Qianyan Technology