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
WiZ A.E27
Signify
00176655
Hama GmbH & Co KG
Dual Window Covering
HooRii Technology
SmartCeilingFan
Eran
Govee string lights
Shenzhen Qianyan Technology
Shelly Dimmer Gen4 US
Shelly
Zemismart Smart Curtain
Zemismart Technology Limited
WiZ A19
Signify
WiZ GU10
Signify
Linkind Smart Plug
Leedarson
Aqara Smart Light
Aqara
LIFX Switch
LIFX
Ledvance Matter Classic A RGBW
LEDVANCE
Decora Smart Wi-Fi 2nd Gen Outdoor Plug-In Switch
Leviton
Door/Window Contact II [+M]
Bosch
Govee Square Ceiling Light
Shenzhen Qianyan Technology
2BMOG-LKMSD411A
LOCKIN (U.S.) INC.
Govee Outdoor Strip Light Pro
Shenzhen Qianyan Technology
F-SS01W
Shenzhen Huayu Lian Technology Co., Ltd
Dreame L40 Ultra AE
Dreame
Smart Indoor Plug - Single outlet
Amazon Basics
WiZ A.E27
Signify
Smart-Home-Bridge JS
Schoenberger
TCL Window AC
tcl-vendor