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
570 devices in the survey implement this cluster
Cync Indoor Light Strip 16ft
GE Lighting, a Savant company
Smart Plug Mini
Meross
GW60-Matter
MIUC Technology (Shenzhen) Co.,Ltd
Cync Full Color Undercabinet 12"
GE Lighting, a Savant company
SmartCeilingFan
Eran
Spotless Cleaning Robot
Bosch / Siemens / Gaggenau / Neff - Home Appliances
Touchscreen Switch S100
Aqara
Tapo Smart Plug, Energy Monitoring
Tapo
Govee Outdoor Deck Lights
Shenzhen Qianyan Technology
LIFX Permanent Outdoor
Feit Electric
lipro gateway
lipro
Nanoleaf Outdoor Lights
Nanoleaf
Philips A60 Filament
Signify
X8S
Resideo
Govee string lights
Shenzhen Qianyan Technology
Cync Full Color Undercabinet 24"
GE Lighting, a Savant company
Philips Candle
Signify
Philips GU10
Signify
Govee Ceiling Light
Shenzhen Qianyan Technology
matter-thread-light
Espressif Systems
Smart A19 LED Bulb
HONG KONG LAUNRAY INDUSTRY LIMITED
Philips P45.E27
Signify
Philips Ceiling
Signify
Wi-Fi Smart Plug
SONOFF