Thumbprint Property (_PkiCertificate)

Visual Basic
C#
C++/CLI

'Declaration
 
<CanBeNullAttribute()>
ReadOnly Property Thumbprint As String

'Usage
 
Dim instance As _PkiCertificate
Dim value As String
 
value = instance.Thumbprint

[CanBeNull()]
string Thumbprint {get;}

[CanBeNull()]
property String^ Thumbprint {
   String^ get();
}

.NET

CSharp
Python

// Shows how to assure presence of the own application certificate, and display its thumbprint.

using System;
using OpcLabs.BaseLib.Security.Cryptography.PkiCertificates;
using OpcLabs.EasyOpc.UA.Application;
using OpcLabs.EasyOpc.UA.Application.Extensions;
using OpcLabs.EasyOpc.UA.OperationModel;

namespace UADocExamples.Application._IEasyUAClientServerApplication
{
    class AssureOwnCertificate
    {
        public static void Main1()
        {
            // Obtain the application interface.
            EasyUAApplication application = EasyUAApplication.Instance;
            
            try
            {
                Console.WriteLine("Assuring presence of the own application certificate...");
                bool created = application.AssureOwnCertificate();

                Console.WriteLine(created
                    ? "A new certificate has been created."
                    : "An existing certificate has been found.");

                Console.WriteLine();
                Console.WriteLine("Finding the current application certificate...");
                IPkiCertificate pkiCertificate = application.FindOwnCertificate();

                Console.WriteLine();
                Console.WriteLine($"The thumbprint of the current application certificate is: {pkiCertificate?.Thumbprint}");
            }
            catch (UAException uaException)
            {
                Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message);
                return;
            }
        }
    }
}

# Shows how to assure presence of the own application certificate, and display its thumbprint.

# 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 *


# Obtain the application interface.
application = EasyUAApplication.Instance

try:
    print('Assuring presence of the own application certificate...')
    created = IEasyUAClientServerApplicationExtension.AssureOwnCertificate(application)

    print('A new certificate has been created.' if created else 'An existing certificate has been found.')

    print()
    print('Finding the current application certificate...')
    pkiCertificate = IEasyUAClientServerApplicationExtension.FindOwnCertificate(application)

    print()
    print('The thumbprint of the current application certificate is: ',
          None if pkiCertificate is None else pkiCertificate.Thumbprint,
          sep='')
except UAException as uaException:
    print('*** Failure: ' + uaException.GetBaseException().Message)
    exit()

print()
print('Finished.')

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

Reference

_PkiCertificate Interface
_PkiCertificate Members