Matter Survey

Community-basierte Datenbank für Matter-Gerätefunktionen

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

Global Cluster
Utility
Introduced in: Matter 1.0
Devices: 548
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