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
Anona Holo
Anona Security Tech, Ltd.
WiZ Downlight
Signify Netherlands B.V.
Philips Smart TV
Top Victory Electronics
Power Plug H2 EU
Aqara
Griesser Matter Motor Control
Griesser Electronic AG
SMART WIFI MAT WALL SWITCH 2G
LEDVANCE
Govee Floor Lamp
Shenzhen Qianyan Technology
eufy Robotic Vacuum
Anker Innovations Technology
SmartWings Window Covering
SmartWings
Aqara Smart Light
Aqara
Philips A19
Signify Netherlands B.V.
Shelly Dimmer Gen4 US
Shelly
Decora Smart Wi-Fi 2nd Gen Outdoor Plug-In Switch
Leviton
Kasa Smart IoT Hub
Kasa
WiZ G95 Filament
Signify Netherlands B.V.
Smart Wi-Fi Switch
Meross
Smart Plug
SONOFF
Smart Wired Gateway Pro
Matter
Decora Smart Wi-Fi Scene Controller Switch
Leviton
Floor Lamp T1
Aqara
WiZ A.E27
Signify Netherlands B.V.
Shelly 1PM Gen3
Shelly
Govee string lights
Shenzhen Qianyan Technology
Home Relay 16A Thread
WAGO GmbH & Co. KG