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
Tapo Smart Wi-Fi Dimmer Switch
TP-Link
Shelly 1 Gen4
Shelly
Kasa Smart Outdoor Plug
Kasa
Aqara Smart Lock U300
Aqara
Shelly Plug M Gen3
Shelly
Essentials Lightstrip
Nanoleaf
Cync Keypad Dimmer
GE Lighting, a Savant company
Shelly 1PM Gen4
Shelly
Aqara Camera Hub
Aqara
Heiman smart CO sensor
HEIMAN
SmartWings Levitate with DUCTECH
Ductech
Govee LED Strip Light M1
Govee
Smart Night Light-W
ThirdReality
Smart Outlet Extender
Govee
Govee Gaming Light Bars Pro
Govee
Govee Glide Wall Light
Govee
Smart Tower Fan 2 Max (42 Inch)
Govee
KAJPLATS E12 CWS globe 800lm
IKEA of Sweden
Aqara Light Switch H2
Aqara
Cync Paddle Dimmer
GE Lighting, a Savant company
SwitchBot Relay Switch 1
SwitchBot
FRITZ!OS Matter Bridge
FRITZ!
Nuki Smart Lock
Nuki
Radiator Thermostat II [+M]
Bosch