// This example shows how to set the validity period of the application instance certificate.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
using System;
using OpcLabs.BaseLib.Security.Cryptography.PkiCertificates;
using OpcLabs.EasyOpc.UA;
using OpcLabs.EasyOpc.UA.Application;
using OpcLabs.EasyOpc.UA.Application.Extensions;
using OpcLabs.EasyOpc.UA.OperationModel;
namespace UADocExamples._CertificateGenerationParameters
{
class ValidityPeriodInMonths
{
public static void Main1()
{
UAEndpointDescriptor endpointDescriptor =
"opc.tcp://opcua.demo-this.com:51210/UA/SampleServer";
// or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported)
// or "https://opcua.demo-this.com:51212/UA/SampleServer/"
Console.WriteLine("Setting the validity period of the auto-generated instance certificate to 50 years (600 months)...");
EasyUAApplication.Instance.ApplicationParameters.InstanceCertificateGenerationParameters.ValidityPeriodInMonths = 600;
Console.WriteLine("Obtaining the application interface...");
var client = new EasyUAClient();
EasyUAApplication application = EasyUAApplication.Instance;
try
{
Console.WriteLine("Removing the current application instance certificate...");
application.RemoveOwnCertificate(mustExist:false);
Console.WriteLine("Do something - invoke an OPC read, to trigger auto-generation of a new instance certificate...");
client.ReadValue(endpointDescriptor, "nsu=http://test.org/UA/Data/ ;i=10853");
Console.WriteLine("Finding the current application instance certificate...");
IPkiCertificate instanceCertificate = application.FindOwnCertificate();
if (!(instanceCertificate is null))
Console.WriteLine($"Expiration date: {instanceCertificate.NotAfter}");
}
catch (UAException uaException)
{
Console.WriteLine($"*** Failure: {uaException.GetBaseException().Message}");
}
}
}
}
# This example shows how to set the validity period of the application instance certificate.
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc.UA import *
from OpcLabs.EasyOpc.UA.Application import *
from OpcLabs.EasyOpc.UA.Application.Extensions import *
from OpcLabs.EasyOpc.UA.OperationModel import *
endpointDescriptor = UAEndpointDescriptor('opc.tcp://opcua.demo-this.com:51210/UA/SampleServer')
# or 'http://opcua.demo-this.com:51211/UA/SampleServer' (currently not supported)
# or 'https://opcua.demo-this.com:51212/UA/SampleServer/'
print('Setting the validity period of the auto-generated instance certificate to 50 years (600 months)...')
EasyUAApplication.Instance.ApplicationParameters.InstanceCertificateGenerationParameters.ValidityPeriodInMonths = 600
print('Obtaining the application interface...')
client = EasyUAClient()
application = EasyUAApplication.Instance
try:
print('Removing the current application instance certificate...')
IEasyUAClientServerApplicationExtension.RemoveOwnCertificate(application, False) # mustExist=False
print('Do something - invoke an OPC read, to trigger auto-generation of a new instance certificate...')
IEasyUAClientExtension.ReadValue(client,
endpointDescriptor, UANodeDescriptor("nsu=http://test.org/UA/Data/ ;i=10853"))
print('Finding the current application instance certificate...')
instanceCertificate = IEasyUAClientServerApplicationExtension.FindOwnCertificate(application)
if instanceCertificate is not None:
print('Expiration date: ', instanceCertificate.NotAfter, sep='')
except UAException as uaException:
print('*** Failure: ' + uaException.GetBaseException().Message)
exit()
print('Finished.')
' This example shows how to set the validity period of the application instance certificate.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
Imports OpcLabs.BaseLib.Security.Cryptography.PkiCertificates
Imports OpcLabs.EasyOpc.UA
Imports OpcLabs.EasyOpc.UA.Application
Imports OpcLabs.EasyOpc.UA.Application.Extensions
Imports OpcLabs.EasyOpc.UA.OperationModel
Namespace _CertificateGenerationParameters
Partial Friend Class ValidityPeriodInMonths
Public Shared Sub Main1()
Dim endpointDescriptor As UAEndpointDescriptor =
"opc.tcp://opcua.demo-this.com:51210/UA/SampleServer"
' or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported)
' or "https://opcua.demo-this.com:51212/UA/SampleServer/"
Console.WriteLine("Setting the validity period of the auto-generated instance certificate to 50 years (600 months)...")
EasyUAApplication.Instance.ApplicationParameters.InstanceCertificateGenerationParameters.ValidityPeriodInMonths = 600
Console.WriteLine("Obtaining the application interface...")
' Instantiate the client object
Dim client = New EasyUAClient()
Dim application As EasyUAApplication = EasyUAApplication.Instance
Try
Console.WriteLine("Removing the current application instance certificate...")
application.RemoveOwnCertificate(mustExist:=False)
Console.WriteLine("Do something - invoke an OPC read, to trigger auto-generation of a new instance certificate...")
client.ReadValue(endpointDescriptor, "nsu=http://test.org/UA/Data/ ;i=10853")
Console.WriteLine("Finding the current application instance certificate...")
Dim instanceCertificate As IPkiCertificate = application.FindOwnCertificate()
If (instanceCertificate IsNot Nothing) Then
Console.WriteLine($"Expiration date: {instanceCertificate.NotAfter}")
End If
Catch uaException As UAException
Console.WriteLine($"*** Failure: {uaException.GetBaseException().Message}")
Exit Sub
End Try
End Sub
End Class
End Namespace
