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
548 devices in the survey implement this cluster
LIFX Switch
LIFX
WiZ A.E27
Signify
Decora Smart Wi-Fi Fan Speed Controller
Leviton
Cync Full Color Undercabinet 24"
GE Lighting, a Savant company
R2416C
Dreame
SwitchBot Video Doorbell Monitor
SwitchBot
Dreame Aqua10 Ultra Track Complete
Dreame
H6013
Shenzhen Qianyan Technology
Floor Cleaning Robot
ECOVACS
Smart Wall Switch
SONOFF
Cync Full Color Undercabinet 18"
GE Lighting, a Savant company
Lennox L40 Smart Thermostat
Lennox
Smart universal beltwinder
Delta Dore Rademacher
Roborock Robotic Vacuum Cleaner
Roborock
eufy Smart Lock E31
Anker Innovations Technology
SN8102 WiFi Module
Hangzhou Sciener Smart Technology Co., Ltd.
Nuki Smart Lock
Nuki
On-wall button controllers - 4 buttons MATTER
ELKO EP, s.r.o.
Govee Smart TV Backlight 3S
Shenzhen Qianyan Technology
Decora Smart Wi-Fi Scene Controller Switch
Leviton
Govee Holiday Projector Lights
Shenzhen Qianyan Technology
eufy Smart Lock C34
Anker Innovations Technology
WiZ A67.E27
Signify
WiZ A19
Signify