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
718 devices in the survey implement this cluster
KAJPLATS E26 WS globe 450lm
IKEA of Sweden
LIFX Ceiling 13x26
LIFX
Govee Outdoor Wall Light
Shenzhen Qianyan Technology
Tapo Smart Hub
Tapo
Robotic Vacuum Cleaner
Roborock
Aqara Dimmer Switch H2
Aqara
Smart Wall Switch
SONOFF
Outdoor String Lights H1
Aqara
Smart A19 LED Bulb
HONG KONG LAUNRAY INDUSTRY LIMITED
MP22M
NIE-TECH Co., Ltd.
ESP32C
Espressif Systems
Smart Plug
Lidl Stiftung & Co. KG
Philips A.E27
Signify Netherlands B.V.
X8S
Resideo
Cync Full Color ST19
GE Lighting, a Savant company
ESR64PF-IPM
Eltako
Dreame X40 Master
Dreame
Govee Smart Bulb
Shenzhen Qianyan Technology
Shelly 1 Gen3
Shelly
Govee Outdoor UpDown Wall Light
Shenzhen Qianyan Technology
SMART MAT P40 RGBW 827 FR E14
LEDVANCE
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
eufy FamiLock S3
Anker Innovations Technology Co., Ltd
Matter Thermostat
Homebridge