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
Google Nest Thermostat
Google LLC
Govee Neon Rope Light 2
Shenzhen Qianyan Technology
TOFSMYGGA plug black/outdoor
IKEA of Sweden
Tapo Smart Outdoor Plug
TP-Link
Level Lock Pro
Level Home
Robot Vacuum Cleaner
Tapo
Govee Pendant Light
Shenzhen Qianyan Technology
EGLO-MAT-TW
EGLO
Level Bolt (Matter)
Level Home
Govee Star Light Projector (Nebula)
Shenzhen Qianyan Technology
Smart RGBTW Bulb
Leedarson
SwitchBot AI Hub
SwitchBot
Zemismart Roller Shade Driver
Zemismart Technology Limited
Air Purifier
Leedarson
not-specified
Homebridge
Nuki Smart Lock
Nuki
Zemismart M1 Hub
Zemismart Technology Limited
Smart universal beltwinder
Delta Dore Rademacher
Smart Plug Mini
Meross
LIFX Luna
LIFX
Dendo SCM Matter Window Covering
Dendo Systems
Smart Plug
Hama GmbH
H7107
Shenzhen Qianyan Technology
Tapo Smart Relay Module
Tapo