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
Shelly Plug S MTR Gen3
Shelly
Level Lock+ (Matter)
Level Home
MT-SL-DIM
Sunricher
Tapo Smart Plug, Energy Monitoring
Tapo
TEST_PRODUCT
t0bst4r
SmartPlug
Smart Home
Aqara Dimmer Switch H2
Aqara
SwitchBot Hub
SwitchBot
Eve Thermo
Eve Systems
Aqara Smart Light
Aqara
Smart Presence Sensor
Meross
Shelly Flood Gen4
Shelly
Nest Learning Thermostat 4th gen
Google LLC
Essentials GU10
Nanoleaf
Matter Extended Color Light
Quectel
Nuki Smart Lock
Nuki
Smart RGBTW Bulb
Leedarson
Tapo Smart IoT & IR Hub
Tapo
Aqara Shutter Switch H2
Aqara
Aqara Smart Lock U400
Aqara
Cync Full Color A19
GE Lighting, a Savant company
Philips Hue Bridge
Signify
KAJPLATS E26 WS globe 1600lm
IKEA of Sweden
Smart Plug Mini
Meross