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
Cync Full Color Undercabinet 18"
GE Lighting, a Savant company
X8S
Resideo
Dreame L40 Ultra AE
Dreame
Push-button battery-powered
Albrecht Jung GmbH & Co. KG
Door/Window Contact II [+M]
BOSCH
Sailsco Smart Plug
Saishigao
Decora Smart Wi-Fi 3nd Gen Switch
Leviton
Decora Smart Wi-Fi 2nd Gen Mini Plug-In Dimmer
Leviton
Smart Bulb
Leedarson
Cync Full Color 3" Puck
GE Lighting, a Savant company
SwitchBot Video Doorbell Monitor
SwitchBot
UA-SmartPlug-M028-US101
Uascent
Midea_AC
Midea
R2416C
Dreame
Govee Square Ceiling Light
Shenzhen Qianyan Technology
SmartCeilingFan
Eran
Govee Smart Bulb
Shenzhen Qianyan Technology
Cono Lamp
Umbra
WiZ A60 Filament
Signify
Nuki Smart Lock
Nuki
WiZ A67.E27
Signify
RFDEL-71B-SL/MT
ELKO EP s.r.o
Cync Full Color Undercabinet 12"
GE Lighting, a Savant company
Smart Light
Uascent