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
651 devices in the survey implement this cluster
EUD64NPN-IPM
Eltako GmbH
Govee Outdoor Pathway Lights 2
Shenzhen Qianyan Technology
BUSY Bar
Flipper FZCO
MP22M
NIE-TECH Co., Ltd.
WiZ Candle
Signify
Smart Wall Switch
SONOFF
Ledvance Matter Classic B P RGBW
LEDVANCE
Dreame D20 Pro Plus
Dreame
Dreame D20 Ultra
Dreame
Smart Lights Smart Plug
Legrand Group
UA-SmartSwitch-M30-P002
Uascent
LED Driver
MEAN WELL
KAJPLATS GU10 WS 575lm
IKEA of Sweden
Basic DIN Rail
SONOFF
Matter Thermostat
Matic Robots, Inc
NL44
Nanoleaf
Roborock Robotic Vacuum Cleaner
Roborock
LIFX Candle Color
LIFX
LOCKLY MATTER LINK
Pin Genie,Inc.
WiZ PAR38
Signify
LIFX Switch
LIFX
WiZ A.E27
Signify
Decora Smart Wi-Fi Fan Speed Controller
Leviton
THP23-ZB-X
Tuya