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
Aqara Light Switch H2
Aqara
Tapo Smart Plug, Energy Monitoring
Tapo
Heiman smart door sensor
HEIMAN
Philips G95 Filament
Signify
Shelly Plug US Gen4
Shelly
Heiman smart motion sensor
HEIMAN
WiZ A21.E26
Signify
Smart Hub
Meross
Cync Full Color Deco Candle Base
GE Lighting, a Savant company
WiFi Smart Switch
SONOFF
TNKE27241
tink GmbH
Push Button Module
Insta GmbH
Govee Recessed Downlight
Shenzhen Qianyan Technology
WiZ Downlight
Signify
Eve Energy
Eve Systems
S10
SwitchBot
eufy Robot Vacuum Omni S1
Anker Innovations Technology
Aqara Light Switch H2
Aqara
Cync Full Color RS Can
GE Lighting, a Savant company
SwitchBot Floor Lamp
SwitchBot
Govee Smart Bulb
Shenzhen Qianyan Technology
Eve Energy Outdoor
Eve Systems
SwitchBot Air Purifier
SwitchBot
MS1
Sensereo Limited