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
711 devices in the survey implement this cluster
Nuki Smart Lock
Nuki
Smartlightbulb
Smart Home
Dreame X50 Ultra
Dreame
Smart Bulb
Leedarson
Smart Mechanical Keyboard MK1
ThirdReality
not-specified
riddix
arre Temperature Sensor
TUO Accessories LLC
RFDEL-71B-SL/MT
ELKO EP s.r.o
Smart RGBTW Bulb
Leedarson
Smart RGBTW Bulb
Leedarson
WiFi Smart Switch
TEST_VENDOR
Smart Hub
Meross
Shelly EM Mini Gen4
Shelly
Aqara Spatial Multi-Sensor FP400
Aqara
Smart universal beltwinder
Delta Dore Rademacher
Push Button Module
Insta GmbH
Xeenos Go Aktor Switch 2K UP
WAREMA Renkhoff SE
H600C
Shenzhen Qianyan Technology
Decora Smart Wi-Fi 3nd Gen Dimmer
Leviton
ANTELA Smart Plug
ANTELA
Smart Lock On Matter
Guangdong Huarui Lock Industry
Tapo Smart Wi-Fi Light Switch
Tapo
Level Lock Pro
Level Home
Essentials Holiday String Lights
Nanoleaf