QuickOPC User's Guide and Reference
ProtectOrUnprotectOwnCertificate Method (IEasyUAClientServerApplication)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Application Namespace > IEasyUAClientServerApplication Interface : ProtectOrUnprotectOwnCertificate Method
The sub-id of the certificate. Normally an empty string.
Empty string to unprotected the certificate, or a non-empty password to use for protection of the certificate's private key.
Protects or unprotects the private key of the given certificate.
Syntax
'Declaration
 
Function ProtectOrUnprotectOwnCertificate( _
   ByVal certificateSubId As String, _
   ByVal newPrivateKeyPassword As String _
) As Boolean
'Usage
 
Dim instance As IEasyUAClientServerApplication
Dim certificateSubId As String
Dim newPrivateKeyPassword As String
Dim value As Boolean
 
value = instance.ProtectOrUnprotectOwnCertificate(certificateSubId, newPrivateKeyPassword)
bool ProtectOrUnprotectOwnCertificate( 
   string certificateSubId,
   string newPrivateKeyPassword
)
bool ProtectOrUnprotectOwnCertificate( 
   String^ certificateSubId,
   String^ newPrivateKeyPassword
) 

Parameters

certificateSubId
The sub-id of the certificate. Normally an empty string.
newPrivateKeyPassword
Empty string to unprotected the certificate, or a non-empty password to use for protection of the certificate's private key.

Return Value

Returns true when the resulting state of the certificate is protected. Returns false otherwise.
Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

The OPC UA operation has failed. This operation exception in uniformly used to allow common handling of various kinds of errors. The System.Exception.InnerException always contains information about the actual error cause.

This is an operation error that depends on factors external to your program, and thus cannot be always avoided. Your code must handle it appropriately.

Remarks

A preexisting private key password, if any, must be correctly configured in the application, for this operation to succeed.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also