Group Key Management 0x003F
The Group Key Management Cluster is the mechanism by which group keys are managed.
Spec History
Matter 1.0
Matter 1.1
Matter 1.2
Matter 1.3
Matter 1.4
Matter 1.5
rev 2
Matter 1.6
rev 4
Matter master
rev 4
Attributes (5)
| Code | Name | Type |
|---|---|---|
| 0x0000 | GroupKeyMap | array |
| 0x0001 | GroupTable | array |
| 0x0002 | MaxGroupsPerFabric | int16u |
| 0x0003 | MaxGroupKeysPerFabric | int16u |
| 0x0004 | GroupcastAdoption | array |
Commands (6)
| Code | Name | Direction |
|---|---|---|
| 0x00 | KeySetWrite | client→server |
| 0x01 | KeySetRead | client→server |
| 0x02 | KeySetReadResponse | server→client |
| 0x03 | KeySetRemove | client→server |
| 0x04 | KeySetReadAllIndices | client→server |
| 0x05 | KeySetReadAllIndicesResponse | server→client |
Features (2)
| Bit | Code | Name |
|---|---|---|
| 0 | CS | CacheAndSync — The ability to support CacheAndSync security policy and MCSP |
| 1 | GCAST | Groupcast — The device supports groups using the Groupcast cluster |