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
Smart Light
Matter
Smart Button
HAOJAI
On-wall button controllers - 4 buttons MATTER
ELKO EP s.r.o
Govee RGBWW Smart LED Bulb
Shenzhen Qianyan Technology
Govee LED Strip Light
Shenzhen Qianyan Technology
Dreame L50 Pro Ultra
Dreame
Govee Neon Rope Light 2
Shenzhen Qianyan Technology
Mill Wi-Fi Panel Heater
Mill International AS
DEWENWILS 3 -Zone Transformer
DEWENWILS
Eve MotionBlinds
Eve Systems
Bold Elite
Bold Security Technology BV
Switch unit with inputs for external buttons MATTER
ELKO EP s.r.o
ESR64PF-IPM
Eltako
Govee Outdoor UpDown Wall Light
Shenzhen Qianyan Technology
Tapo Smart Hub
Tapo
Smart RGBTW Bulb
Leedarson
Lennox L40 Smart Thermostat
Lennox
WiZ Candle
Signify
Smart Wall Switch
SONOFF
Ledvance Matter Classic B P RGBW
LEDVANCE
Smart Lights Smart Plug
Legrand Group
LED Driver
MEAN WELL
KAJPLATS GU10 WS 575lm
IKEA of Sweden
MP22M
NIE-TECH CO LTD