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
565 devices in the survey implement this cluster
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
Govee LED Strip Light
Shenzhen Qianyan Technology
eufy Smart Lock C34
Anker Innovations Technology Co., Ltd
WiZ A67.E27
Signify Netherlands B.V.
WiZ A19
Signify Netherlands B.V.
TNKGU1241
tink GmbH
SwitchBot Air Purifier
SwitchBot
MG-AU06WLP-XX
MAKEGOOD
Smart RGBTW Bulb
Leedarson
Smart Wi-Fi Switch
Meross
Smart-Switch-M027-T002
Uascent
Smart Plug
Lidl Stiftung & Co. KG
Shelly Presence Gen4
Shelly
Push-button battery-powered
Albrecht Jung GmbH & Co. KG
Smart Wi-Fi Outdoor Plug
Meross
Govee Outdoor String Lights 2
Shenzhen Qianyan Technology
Govee Outdoor Spotlights 2
Shenzhen Qianyan Technology
Govee Outdoor Wall Light
Shenzhen Qianyan Technology
Govee Curtain Lights Pro
Shenzhen Qianyan Technology
Govee Permanent Outdoor Lights Elite
Shenzhen Qianyan Technology
Govee Ceiling Fan With Lights
Shenzhen Qianyan Technology