SslStream.RemoteCertificate Propiedad

Definición

Espacio de nombres:

System.Net.Security

Ensamblado:

System.Net.Security.dll

Source:

SslStream.cs

Obtiene el certificado utilizado para autenticar el extremo remoto.

public:
 virtual property System::Security::Cryptography::X509Certificates::X509Certificate ^ RemoteCertificate { System::Security::Cryptography::X509Certificates::X509Certificate ^ get(); };

public virtual System.Security.Cryptography.X509Certificates.X509Certificate? RemoteCertificate { get; }

member this.RemoteCertificate : System.Security.Cryptography.X509Certificates.X509Certificate

Public Overridable ReadOnly Property RemoteCertificate As X509Certificate

Valor de propiedad

X509Certificate

Objeto X509Certificate que representa el certificado proporcionado para autenticación o null si no se proporciona ningún certificado.

Excepciones

InvalidOperationException

Se produjo un error de autenticación o ésta no se produjo.

Ejemplos

En el ejemplo de código siguiente se muestra el certificado devuelto por esta propiedad.

   static void DisplayCertificateInformation( SslStream^ stream )
   {
      Console::WriteLine( L"Certificate revocation list checked: {0}", stream->CheckCertRevocationStatus );
      X509Certificate^ localCertificate = stream->LocalCertificate;
      if ( stream->LocalCertificate != nullptr )
      {
         Console::WriteLine( L"Local cert was issued to {0} and is valid from {1} until {2}.", 
             localCertificate->Subject, 
             localCertificate->GetEffectiveDateString(), 
             localCertificate->GetExpirationDateString() );
      }
      else
      {
         Console::WriteLine( L"Local certificate is null." );
      }

      X509Certificate^ remoteCertificate = stream->RemoteCertificate;
      if ( stream->RemoteCertificate != nullptr )
      {
         Console::WriteLine( L"Remote cert was issued to {0} and is valid from {1} until {2}.", 
            remoteCertificate->Subject, 
            remoteCertificate->GetEffectiveDateString(), 
            remoteCertificate->GetExpirationDateString() );
      }
      else
      {
         Console::WriteLine( L"Remote certificate is null." );
      }
   }


private:

static void DisplayCertificateInformation(SslStream stream)
{
    Console.WriteLine("Certificate revocation list checked: {0}", stream.CheckCertRevocationStatus);

    X509Certificate localCertificate = stream.LocalCertificate;
    if (stream.LocalCertificate != null)
    {
        Console.WriteLine("Local cert was issued to {0} and is valid from {1} until {2}.",
            localCertificate.Subject,
            localCertificate.GetEffectiveDateString(),
            localCertificate.GetExpirationDateString());
     } else
    {
        Console.WriteLine("Local certificate is null.");
    }
    // Display the properties of the client's certificate.
    X509Certificate remoteCertificate = stream.RemoteCertificate;
    if (stream.RemoteCertificate != null)
    {
    Console.WriteLine("Remote cert was issued to {0} and is valid from {1} until {2}.",
        remoteCertificate.Subject,
        remoteCertificate.GetEffectiveDateString(),
        remoteCertificate.GetExpirationDateString());
    } else
    {
        Console.WriteLine("Remote certificate is null.");
    }
}

Private Shared Sub DisplayCertificateInformation(stream As SslStream)
    Console.WriteLine("Certificate revocation list checked: {0}", stream.CheckCertRevocationStatus)
    Dim localCertificate As X509Certificate = stream.LocalCertificate

    If stream.LocalCertificate IsNot Nothing Then
        Console.WriteLine("Local cert was issued to {0} and is valid from {1} until {2}.", localCertificate.Subject, localCertificate.GetEffectiveDateString(), localCertificate.GetExpirationDateString())
    Else
        Console.WriteLine("Local certificate is null.")
    End If

    ' Display the properties of the client's certificate.
    Dim remoteCertificate As X509Certificate = stream.RemoteCertificate

    If stream.RemoteCertificate IsNot Nothing Then
        Console.WriteLine("Remote cert was issued to {0} and is valid from {1} until {2}.", remoteCertificate.Subject, remoteCertificate.GetEffectiveDateString(), remoteCertificate.GetExpirationDateString())
    Else
        Console.WriteLine("Remote certificate is null.")
    End If
End Sub

Comentarios

Si se accede a la propiedad , el certificado remoto no se eliminará cuando se elimine la instancia de SslStream. El autor de la llamada de la propiedad es responsable de eliminar el objeto devuelto X509Certificate .