The Group Key Management cluster (0x003F) is a Matter cluster that Manages cryptographic keys used for secure group communication.. It defines 6 commands and 5 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 5
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 | |
| 0x0004 | GroupcastAdoption | array | Writable Optional read: administer write: administer |
| 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
570 devices in the survey implement this cluster
Smart Plug Mini
Meross
KAJPLATS E14 WS globe 806lm
IKEA of Sweden
Aqara Smart Light
Aqara
Smart Plug Mini
Meross
KAJPLATS E27 WS G60 clear 470lm
IKEA of Sweden
Heiman smart smoke sensor
HEIMAN
Eve Weather
Eve Systems
Eve Thermo
Eve Systems
Hub Mini
SwitchBot
Philips Hue Bridge
Signify
SwitchBot Hub 3
SwitchBot
Tapo Smart IoT & IR Hub
Tapo
Aqara Dimmer Switch H2
Aqara
MT-SL-DIM
Sunricher
Essentials GU10
Nanoleaf
Matter Plug
NEO
Matter Extended Color Light
Quectel
Kasa Smart Wifi Plug, Energy Monitoring
Kasa
TNKDSE261
tink GmbH
KAJPLATS E27 WS globe 1055lm
IKEA of Sweden
Eve Light Switch
Eve Systems
Tapo Smart IoT Hub
Tapo
TEST_PRODUCT
Homebridge
Shelly 1PM Mini Gen4
Shelly