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
651 devices in the survey implement this cluster
Shelly 1 Gen3
Shelly
Aqara Smart Lock J200 Set
Aqara
Linkind Smart Light Bulb
AiDot
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
eufy FamiLock S3
Anker Innovations Technology Co., Ltd
eufy Smart Lock E31
Anker Innovations Technology Co., Ltd
Nanoleaf Outdoor Lights
Nanoleaf
Robotic Vacuum Cleaner
Roborock
arre Contact Sensor
arre home LLC
Smart Plug Mini
Meross
GW60-Matter
MIUC Technology (Shenzhen) Co.,Ltd
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
Aura Reach
Kwikset
Linkind Smart Light Bulb
AiDot
Tapo Smart Plug, Energy Monitoring
Tapo
Govee Outdoor Deck Lights
Shenzhen Qianyan Technology
LIFX Permanent Outdoor
LIFX
lipro gateway
lipro
Matter Light Switch
Matic Robots, Inc
Home Relay 16A Thread
WAGO
Govee string lights
Shenzhen Qianyan Technology
Philips Candle
Signify
Philips GU10
Signify
matter-thread-light
Espressif Systems