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
Smart A19 LED Bulb
HONG KONG LAUNRAY INDUSTRY LIMITED
Smart Indoor Plug - Single outlet
Amazon Basics
Dreame L50 Pro Ultra
Dreame
Smart Wi-Fi Outdoor Plug
Tapo
Smart Light
Tuya
Smart Button
HAOJAI
ESR64PF-IPM
Eltako GmbH
Bold Elite
Bold Smart Lock
Govee Neon Rope Light 2
Shenzhen Qianyan Technology
On-wall button controllers - 4 buttons MATTER
ELKO EP s.r.o
Mill Wi-Fi Panel Heater
Mill International AS
DEWENWILS 3 -Zone Transformer
DEWENWILS
Eve MotionBlinds
Eve Systems
WiZ Smart Plug
Signify
WiZ P45.E14
Signify
Govee Outdoor UpDown Wall Light
Shenzhen Qianyan Technology
Switch unit with inputs for external buttons MATTER
ELKO EP s.r.o
Tapo Smart Hub
Tapo
Smart RGBTW Bulb
Leedarson
Dreame Matrix10 Ultra
Dreame
Zemismart bulb
Zemismart Technology Limited
Lennox L40 Smart Thermostat
Lennox
KAJPLATS E26 WS globe 450lm
IKEA of Sweden
LIFX Ceiling 13x26
LIFX