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 Provisional 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
Provisional
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
707 devices in the survey implement this cluster
Smart Plug
Lidl Stiftung & Co. KG
Smart Outdoor Plug-In Dimmer
Tapo
UA-SmartPlug-M023-US102
Uascent
H61B8
Shenzhen Qianyan Technology
H61B9
Shenzhen Qianyan Technology
Smart RGBTW Bulb
Leedarson
matter
Matter
Govee Square Ceiling Light
Shenzhen Qianyan Technology
Govee Smart AI Sync Box
Shenzhen Qianyan Technology
WiZ Color Strip
Signify Netherlands B.V.
Decora Smart Wi-Fi 2nd Gen Mini Plug-In Dimmer
Leviton
eufy FamiLock E34
Anker Innovations Technology
Tapo Smart Wi-Fi In-wall Outlet
Tapo
Zemismart M6 Hub
Zemismart Technology Limited
Dreame L40 Ultra AE
Dreame
Philips Smart TV
Top Victory Electronics
BUSY Bar
Flipper FZCO
Wi-Fi Smart Plug
SONOFF
Shelly Presence Gen4
Shelly
WiZ G25 Filament
Signify Netherlands B.V.
Smart Rainbow LED
Momax
Griesser BiLine Box | Weinor BiConnect Box
Griesser Electronic AG
Zwischenstecker ArtNr 60 00056
A. Steffen AG
1Home Server
1Home Solutions GmbH