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
548 devices in the survey implement this cluster
Govee Star Light Projector (Nebula)
Shenzhen Qianyan Technology
Smart RGBTW Bulb
Leedarson
Tapo Smart Outdoor Plug
TP-Link
Tapo Smart Relay Module
Tapo
eufy FamiLock E34
Anker Innovations Technology Co., Ltd
Dreame Aqua10 Ultra Roller Complete
Dreame
Air Purifier
Leedarson
Eve Energy Outdoor
Eve Systems
Zemismart M6 Hub
Zemismart Technology Limited
SwitchBot Floor Lamp
SwitchBot
Govee Floor Lamp
Shenzhen Qianyan Technology
Essentials Wifi Smart Light
Nanoleaf
SwitchBot Air Purifier
SwitchBot
H6076A
Shenzhen Qianyan Technology
Essentials Holiday String Lights
Nanoleaf
eufy Robotic Vacuum
Anker Innovations Technology Co., Ltd
Smart Wi-Fi Thermostat
Meross
Shelly 1 Mini Gen3
Shelly
Zemismart MT25B Roller Motor
Zemismart Technology Limited
MS1
Sensereo
Anona Holo
Anona Security Technology Limited
LIFX Luna
LIFX
Smart RGBTW Bulb
Leedarson
Dimmable Light
EcoDim