The Group Key Management cluster (0x003F) is a Matter cluster that Manages cryptographic keys used for secure group communication.. It defines 6 commands and 4 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 4
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 |
| 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
770 devices in the survey implement this cluster
A19 Smart Bulb
Yankon
Govee Neon Rope Light 2
Shenzhen Qianyan Technology
eufy Robot Vacuum Omni S1
Anker Innovations Technology
Home Relay 6A Thread
WAGO GmbH & Co. KG
Dendo SCM Matter Window Covering
Dendo Systems
SMART WIFI MAT WALL SWITCH 2G
LEDVANCE
Comet Matter
Eurotronics
Heiman smart motion sensor
HEIMAN
Floor Lamp T1
Aqara
00176656
Hama GmbH
Decora Smart Wi-Fi 3nd Gen Switch
Leviton
S10
SwitchBot
Dreame D20 Pro Plus
Dreame
Haiku L Series
Big Ass Fans
Smart Outdoor Plug-In Dimmer
Tapo
Shelly Dimmer Gen4 US
Shelly
WiZ LED Strip
Signify Netherlands B.V.
SwitchBot Air Purifier
SwitchBot
EGLO-MAT-TW
EGLO
BUSY Bar
Flipper FZCO
Zemismart Roller Shade Driver
Zemismart Technology Limited
Smart Wired Gateway Pro
Tuya
Shelly 1 Mini Gen3
Shelly
Zemismart M1 Hub
Zemismart Technology Limited