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
770 devices in the survey implement this cluster
PIR Sensor
NEO
Zemismart Light Strip Driver
Zemismart Technology Limited
Tapo Smart Wi-Fi Dimmer Switch, 3-way kit
Tapo
SmartWave Window Covering
SmartWave
Kasa Smart Wi-Fi Dimmer Switch
Kasa
Magic Cube WS01
Chengdu Energy Magic Cube
ITIUS E27 RGB+CCT
ITIUS
Smart Night Light Thread
ThirdReality
H6013
Shenzhen Qianyan Technology
MT-CCT
Sunricher
Govee Floor Lamp 3
Shenzhen Qianyan Technology
SwitchBot Relay Switch 1PM
SwitchBot
SONOFF SwitchMan Smart Wall Switch
SONOFF
Linkind Smart Plug
Leedarson
Xeenos Go Aktor Jalousie UP
WAREMA Renkhoff SE
Shelly Outdoor Plug S Gen3
Shelly
Govee Table Lamp Classic
Shenzhen Qianyan Technology
Shelly 2PM Gen3
Shelly
Smart universal beltwinder
Delta Dore Rademacher
Decora Smart Wi-Fi Motion Sensing Dimmer
Leviton
Aqara Hub M200
Aqara
Eve Dimmer Switch
Eve Systems
Cync Full Color Undercabinet 18"
GE Lighting, a Savant company
Govee Neon Light
Shenzhen Qianyan Technology