The Operational Credentials cluster (0x003E) is a Matter cluster that Manages the device's operational certificates for secure fabric communication.. It defines 15 commands and 6 attributes and is mandatory for 1 device type.
Operational Credentials 0x003E
Manages the device's operational certificates for secure fabric 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 6
Commands 15
| Code | Name | Type | Flags |
|---|---|---|---|
| 0x0000 | NOCs | array | read: administer |
| 0x0001 | Fabrics | array | |
| 0x0002 |
SupportedFabrics
5..254
|
int8u | |
| 0x0003 |
CommissionedFabrics
max 254
|
int8u | |
| 0x0004 | TrustedRootCertificates | array | |
| 0x0005 |
CurrentFabricIndex
default 0
|
int8u |
| Code | Name | Direction | Parameters |
|---|---|---|---|
| 0x00 |
AttestationRequest
invoke: administer
This command is used to perform an attestation request.
|
client→server |
AttestationNonce: octet_string |
| 0x01 |
AttestationResponse
This command is used to report the results of the AttestationRequest command.
|
server→client |
AttestationElements: long_octet_string, AttestationSignature: octet_string |
| 0x02 |
CertificateChainRequest
invoke: administer
This command is used to request a certificate from the device attestation certificate chain.
|
client→server |
CertificateType: CertificateChainTypeEnum |
| 0x03 |
CertificateChainResponse
This command is used to report the results of the CertificateChainRequest command.
|
server→client |
Certificate: long_octet_string |
| 0x04 |
CSRRequest
invoke: administer
This command is used to perform a CSR request.
|
client→server |
CSRNonce: octet_string, IsForUpdateNOC: boolean |
| 0x05 |
CSRResponse
This command is used to report the results of the CSRRequest command.
|
server→client |
NOCSRElements: long_octet_string, AttestationSignature: octet_string |
| 0x06 |
AddNOC
invoke: administer
This command is used to add a new NOC to the device.
|
client→server |
NOCValue: long_octet_string, ICACValue: long_octet_string, IPKValue: octet_string, CaseAdminSubject: int64u, AdminVendorId: vendor_id |
| 0x07 |
UpdateNOC
invoke: administer
This command is used to update an existing NOC on the device.
|
client→server |
NOCValue: long_octet_string, ICACValue: long_octet_string |
| 0x08 |
NOCResponse
This command is used to report the results of the AddNOC, UpdateNOC, UpdateFabricLabel and RemoveFabric commands.
|
server→client |
StatusCode: NodeOperationalCertStatusEnum, FabricIndex: fabric_idx, DebugText: char_string |
| 0x09 |
UpdateFabricLabel
invoke: administer
This command is used to set the user-visible fabric label for a given Fabric.
|
client→server |
Label: char_string |
| 0x0A |
RemoveFabric
invoke: administer
This command is used to remove a Fabric from the device.
|
client→server |
FabricIndex: fabric_idx |
| 0x0B |
AddTrustedRootCertificate
invoke: administer
This command is used to add a trusted root certificate to the device.
|
client→server |
RootCACertificate: long_octet_string |
| 0x0C |
SetVIDVerificationStatement
invoke: administer
This command is used to manage the VendorID and VIDVerificationStatement fields of the Fabrics attribute, and the VVSC field of an entry in the NOCs attribute.
|
client→server |
VendorID: vendor_id, VIDVerificationStatement: octet_string, VVSC: long_octet_string |
| 0x0D |
SignVIDVerificationRequest
invoke: administer
This command is used to authenticate the fabric associated with the FabricIndex.
|
client→server |
FabricIndex: fabric_idx, ClientChallenge: octet_string |
| 0x0E |
SignVIDVerificationResponse
This command is used to report the results of the SignVIDVerificationRequest command.
|
server→client |
FabricIndex: fabric_idx, FabricBindingVersion: int8u, Signature: octet_string |
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
Govee Star Light Projector (Nebula)
Shenzhen Qianyan Technology
Smart RGBTW Bulb
Leedarson
Tapo Smart Outdoor Plug
TP-Link
Tapo Smart Relay Module
Tapo
eufy FamiLock E34
Anker Innovations Technology
Dreame Aqua10 Ultra Roller Complete
Dreame
Air Purifier
Leedarson
Eve Energy Outdoor
Eve Systems
Zemismart M6 Hub
Zemismart Technology Limited
SwitchBot Floor Lamp
SwitchBot
Govee Floor Lamp
Shenzhen Qianyan Technology
Essentials Wifi Smart Light
Nanoleaf
SwitchBot Air Purifier
SwitchBot
H6076A
Shenzhen Qianyan Technology
Essentials Holiday String Lights
Nanoleaf
eufy Robotic Vacuum
Anker Innovations Technology
Smart Wi-Fi Thermostat
Meross
Shelly 1 Mini Gen3
Shelly
Smart RGBTW Bulb
Leedarson
Zemismart MT25B Roller Motor
Zemismart Technology Limited
MS1
Sensereo
Anona Holo
Anona Security Technology Limited
LIFX Luna
LIFX
Dimmable Light
EcoDim