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
PLUG-001/10SPW6
NEO
WiZ Color Strip
Signify Netherlands B.V.
WiZ Downlight
Signify Netherlands B.V.
Cync Indoor Light Strip 16ft
GE Lighting, a Savant company
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
Philips Smart TV
Top Victory Electronics
Tapo Smart Plug, Energy Monitoring
Tapo
Ledvance Matter PAR16 RGBW
LEDVANCE
Decora Smart Wi-Fi 2nd Gen Outdoor Plug-In Switch
Leviton
i6
Big Ass Fans
Govee string lights
Shenzhen Qianyan Technology
Govee Outdoor Strip Light 2
Shenzhen Qianyan Technology
SMART WIFI MAT DUPLO 580 IP44 TW
LEDVANCE
ML5
MiBoxer
Smart Mini Air Purifier
Shenzhen Qianyan Technology
SmartWings Window Covering
SmartWings
TCL Portable AC
TCL
SmartSetup Thread 4Channel Power Controller
SmartSetup
Essentials Holiday String Lights
Nanoleaf
SONOFF SwitchMan Smart Wall Switch
SONOFF
Dreame X50 Ultra Complete
Dreame
DUBBELKISEL 30W
IKEA of Sweden
Haiku H/I Series
Big Ass Fans
Dreame Aqua10 Ultra Roller Complete
Dreame