This EventType is defined in OPC 10000-3. Its representation in the AddressSpace is formally defined in Table 27.

Table 27 – AuditOpenSecureChannelEventType Definition

Attribute

Value

BrowseName

AuditOpenSecureChannelEventType

IsAbstract

True

References

NodeClass

BrowseName

DataType

TypeDefinition

ModellingRule

Subtype of the AuditChannelEventType defined in 6.4.5, which means it inherits the InstanceDeclarations of that Node.

HasProperty

Variable

ClientCertificate

ByteString

PropertyType

Mandatory

HasProperty

Variable

ClientCertificateThumbprint

String

PropertyType

Mandatory

HasProperty

Variable

RequestType

SecurityTokenRequestType

PropertyType

Mandatory

HasProperty

Variable

SecurityPolicyUri

String

PropertyType

Mandatory

HasProperty

Variable

SecurityMode

MessageSecurityMode

PropertyType

Mandatory

HasProperty

Variable

RequestedLifetime

Duration

PropertyType

Mandatory

This EventType inherits all Properties of the AuditChannelEventType. Their semantic is defined in 6.4.5. The SourceName for Events of this type shall be “SecureChannel/OpenSecureChannel”. The ClientUserId is not available for this call, thus this parameter shall be set to ”System/OpenSecureChannel”.

The additional Properties defined for this EventType reflect parameters of the Service call that triggers the Event.

ClientCertificate is the clientCertificate parameter of the OpenSecureChannel Service call.

ClientCertificateThumbprint is a thumbprint of the ClientCertificate. See OPC 10000-6 for details on thumbprints.

RequestType is the requestType parameter of the OpenSecureChannel Service call.

SecurityPolicyUri is the securityPolicyUri parameter of the OpenSecureChannel Service call.

SecurityMode is the securityMode parameter of the OpenSecureChannel Service call.

RequestedLifetime is the requestedLifetime parameter of the OpenSecureChannel Service call.