X509Certificate.GetExpirationDateString Metode

Definisi

Ruang nama:

System.Security.Cryptography.X509Certificates

Rakitan:

System.Security.Cryptography.dll

Sumber:

X509Certificate.cs

Mengembalikan tanggal kedaluwarsa sertifikat X.509v3 ini.

public:
 virtual System::String ^ GetExpirationDateString();

public virtual string GetExpirationDateString ();

abstract member GetExpirationDateString : unit -> string
override this.GetExpirationDateString : unit -> string

Public Overridable Function GetExpirationDateString () As String

Mengembalikan

String

Tanggal kedaluwarsa untuk sertifikat X.509 ini.

Contoh

Contoh berikut menggunakan GetExpirationDateString metode untuk mendapatkan tanggal kedaluwarsa sertifikat dan menampilkannya ke konsol.

using namespace System;
using namespace System::Security::Cryptography::X509Certificates;
int main()
{
   
   // The path to the certificate.
   String^ Certificate = "Certificate.cer";
   
   // Load the certificate into an X509Certificate object.
   X509Certificate^ cert = X509Certificate::CreateFromCertFile( Certificate );
   
   // Get the value.
   String^ results = cert->GetExpirationDateString();
   
   // Display the value to the console.
   Console::WriteLine( results );
}

using System;
using System.Security.Cryptography.X509Certificates;

public class X509
{
    public static void Main()
    {
        // The path to the certificate.
        string Certificate =  "Certificate.cer";

        // Load the certificate into an X509Certificate object.
        X509Certificate cert = X509Certificate.CreateFromCertFile(Certificate);

        // Get the value.
        string results = cert.GetExpirationDateString();

        // Display the value to the console.
        Console.WriteLine(results);
    }
}

Imports System.Security.Cryptography.X509Certificates




Public Class X509
   
   
   Public Shared Sub Main()
      
      ' The path to the certificate.
      Dim Certificate As String = "Certificate.cer"
      
      ' Load the certificate into an X509Certificate object.
      Dim cert As X509Certificate = X509Certificate.CreateFromCertFile(Certificate)
      
      ' Get the value.
      Dim results As String = cert.GetExpirationDateString()
      
      ' Display the value to the console.
      Console.WriteLine(results)
   End Sub  
End Class

Keterangan

Tanggal kedaluwarsa adalah tanggal setelah sertifikat X.509 tidak lagi dianggap valid.

Metode GetExpirationDateString mengembalikan string yang memperlihatkan tanggal yang diformat dalam Pola Tanggal Pendek diikuti dengan waktu yang diformat dalam Pola Waktu Panjang. Tanggal dan waktu diformat menggunakan budaya dan zona waktu saat ini.

Catatan

Metode ini dapat mengembalikan format string yang berbeda pada komputer Macintosh, meskipun objek yang mendasar DateTime akan mewakili nilai yang sama.