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
641 devices in the survey implement this cluster
Tapo Smart Wi-Fi Dimmer Switch, 3-way kit
Tapo
KAJPLATS GU10 CWS 575lm
IKEA of Sweden
Smart HomeBase
Tapo
Heiman smart smoke sensor
HEIMAN
Aqara Light Switch H2
Aqara
Yale Smart Lock with Matter over Thread
Fortune Brands
Robotic Vacuum Cleaner
Roborock
WiZ A19
Signify
Nuki Smart Lock Pro
Nuki
Aqara Light Switch H2
Aqara
NSPanel Pro
SONOFF
SH Matter Bridge
Bosch
FocusPro S200 Smart Thermostat
Resideo
tado Smart Thermostat X
tado° GmbH
Smartlightbulb
Smart Home
Smart Window Shade Tubular Motor
JLM
Magic Cube WS01
Chengdu Energy Magic Cube
Smart Roller Shutter Switch
Meross
Sengled Wi-Fi Plug
Sengled
Tapo Smart Plug, Energy Monitoring
Tapo
Shelly EM Mini Gen4
Shelly
Essentials Holiday String Lights
Nanoleaf
Sengled Smart Matter A60 bulb
Sengled
H600C
Shenzhen Qianyan Technology