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X509SubjectKeyIdentifierExtension Constructeurs

Définition

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension.

Surcharges

X509SubjectKeyIdentifierExtension()

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension.

X509SubjectKeyIdentifierExtension(Byte[], Boolean)

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide dd'un tableau d'octets et d'une valeur qui identifie si l'extension est essentielle.

X509SubjectKeyIdentifierExtension(ReadOnlySpan<Byte>, Boolean)

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d’une étendue d’octets en lecture seule et d'une valeur qui identifie si l'extension est essentielle.

X509SubjectKeyIdentifierExtension(AsnEncodedData, Boolean)

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide de données codées et d'une valeur qui identifie si l'extension est essentielle.

X509SubjectKeyIdentifierExtension(PublicKey, Boolean)

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d'une clé publique et d'une valeur qui indique si l'extension est essentielle.

X509SubjectKeyIdentifierExtension(String, Boolean)

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d'une chaîne et d'une valeur qui identifie si l'extension est essentielle.

X509SubjectKeyIdentifierExtension(PublicKey, X509SubjectKeyIdentifierHashAlgorithm, Boolean)

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d'une clé publique, d'un identificateur d'algorithme de hachage et d'une valeur qui indique si l'extension est essentielle.

X509SubjectKeyIdentifierExtension()

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension.

public:
 X509SubjectKeyIdentifierExtension();
public X509SubjectKeyIdentifierExtension ();
Public Sub New ()

Exemples

L’exemple de code suivant montre comment ouvrir le magasin de certificats personnel d’un utilisateur et afficher des informations sur chaque certificat dans le magasin. Cet exemple utilise la X509SubjectKeyIdentifierExtension classe pour afficher les informations.

#using <System.dll>
#using <system.security.dll>

using namespace System;
using namespace System::Security::Cryptography;
using namespace System::Security::Cryptography::X509Certificates;
int main()
{
   try
   {
      X509Store^ store = gcnew X509Store( L"MY",StoreLocation::CurrentUser );
      store->Open( static_cast<OpenFlags>(OpenFlags::ReadOnly | OpenFlags::OpenExistingOnly) );
      X509Certificate2Collection^ collection = dynamic_cast<X509Certificate2Collection^>(store->Certificates);
      for ( int i = 0; i < collection->Count; i++ )
      {
         System::Collections::IEnumerator^ myEnum = collection[ i ]->Extensions->GetEnumerator();
         while ( myEnum->MoveNext() )
         {
            X509Extension^ extension = safe_cast<X509Extension^>(myEnum->Current);
            Console::WriteLine( L"{0}({1})", extension->Oid->FriendlyName, extension->Oid->Value );
            if ( extension->Oid->FriendlyName == L"Key Usage" )
            {
               X509KeyUsageExtension^ ext = dynamic_cast<X509KeyUsageExtension^>(extension);
               Console::WriteLine( ext->KeyUsages );
            }
            if ( extension->Oid->FriendlyName == L"Basic Constraints" )
            {
               X509BasicConstraintsExtension^ ext = dynamic_cast<X509BasicConstraintsExtension^>(extension);
               Console::WriteLine( ext->CertificateAuthority );
               Console::WriteLine( ext->HasPathLengthConstraint );
               Console::WriteLine( ext->PathLengthConstraint );
            }
            if ( extension->Oid->FriendlyName == L"Subject Key Identifier" )
            {
               X509SubjectKeyIdentifierExtension^ ext = dynamic_cast<X509SubjectKeyIdentifierExtension^>(extension);
               Console::WriteLine( ext->SubjectKeyIdentifier );
            }
            if ( extension->Oid->FriendlyName == L"Enhanced Key Usage" )
            {
               X509EnhancedKeyUsageExtension^ ext = dynamic_cast<X509EnhancedKeyUsageExtension^>(extension);
               OidCollection^ oids = ext->EnhancedKeyUsages;
               System::Collections::IEnumerator^ myEnum1 = oids->GetEnumerator();
               while ( myEnum1->MoveNext() )
               {
                  Oid^ oid = safe_cast<Oid^>(myEnum1->Current);
                  Console::WriteLine( L"{0}({1})", oid->FriendlyName, oid->Value );
               }
            }
         }

      }
      store->Close();
   }
   catch ( CryptographicException^ ) 
   {
      Console::WriteLine( L"Information could not be written out for this certificate." );
   }

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

public class CertSelect
{
    public static void Main()
    {
        try
        {
            X509Store store = new X509Store("MY", StoreLocation.CurrentUser);
            store.Open(OpenFlags.ReadOnly | OpenFlags.OpenExistingOnly);

            X509Certificate2Collection collection = (X509Certificate2Collection)store.Certificates;
            for (int i = 0; i < collection.Count; i++)
            {
                foreach (X509Extension extension in collection[i].Extensions)
                {
                    Console.WriteLine(extension.Oid.FriendlyName + "(" + extension.Oid.Value + ")");

                    if (extension.Oid.FriendlyName == "Key Usage")
                    {
                        X509KeyUsageExtension ext = (X509KeyUsageExtension)extension;
                        Console.WriteLine(ext.KeyUsages);
                    }

                    if (extension.Oid.FriendlyName == "Basic Constraints")
                    {
                        X509BasicConstraintsExtension ext = (X509BasicConstraintsExtension)extension;
                        Console.WriteLine(ext.CertificateAuthority);
                        Console.WriteLine(ext.HasPathLengthConstraint);
                        Console.WriteLine(ext.PathLengthConstraint);
                    }

                    if (extension.Oid.FriendlyName == "Subject Key Identifier")
                    {
                        X509SubjectKeyIdentifierExtension ext = (X509SubjectKeyIdentifierExtension)extension;
                        Console.WriteLine(ext.SubjectKeyIdentifier);
                    }

                    if (extension.Oid.FriendlyName == "Enhanced Key Usage")
                    {
                        X509EnhancedKeyUsageExtension ext = (X509EnhancedKeyUsageExtension)extension;
                        OidCollection oids = ext.EnhancedKeyUsages;
                        foreach (Oid oid in oids)
                        {
                            Console.WriteLine(oid.FriendlyName + "(" + oid.Value + ")");
                        }
                    }
                }
            }
            store.Close();
        }
        catch (CryptographicException)
        {
            Console.WriteLine("Information could not be written out for this certificate.");
        }
    }
}
Imports System.Security.Cryptography
Imports System.Security.Cryptography.X509Certificates



Module CertSelect

    Sub Main()
        Try
            Dim store As New X509Store("MY", StoreLocation.CurrentUser)
            store.Open(OpenFlags.ReadOnly Or OpenFlags.OpenExistingOnly)

            Dim collection As X509Certificate2Collection = CType(store.Certificates, X509Certificate2Collection)
            For i As Integer = 0 To collection.Count - 1
                Dim extension As X509Extension
                For Each extension In collection(i).Extensions
                    Console.WriteLine(extension.Oid.FriendlyName + "(" + extension.Oid.Value + ")")


                    If extension.Oid.FriendlyName = "Key Usage" Then
                        Dim ext As X509KeyUsageExtension = CType(extension, X509KeyUsageExtension)
                        Console.WriteLine(ext.KeyUsages)
                    End If

                    If extension.Oid.FriendlyName = "Basic Constraints" Then
                        Dim ext As X509BasicConstraintsExtension = CType(extension, X509BasicConstraintsExtension)
                        Console.WriteLine(ext.CertificateAuthority)
                        Console.WriteLine(ext.HasPathLengthConstraint)
                        Console.WriteLine(ext.PathLengthConstraint)
                    End If

                    If extension.Oid.FriendlyName = "Subject Key Identifier" Then
                        Dim ext As X509SubjectKeyIdentifierExtension = CType(extension, X509SubjectKeyIdentifierExtension)
                        Console.WriteLine(ext.SubjectKeyIdentifier)
                    End If

                    If extension.Oid.FriendlyName = "Enhanced Key Usage" Then
                        Dim ext As X509EnhancedKeyUsageExtension = CType(extension, X509EnhancedKeyUsageExtension)
                        Dim oids As OidCollection = ext.EnhancedKeyUsages
                        Dim oid As Oid
                        For Each oid In oids
                            Console.WriteLine(oid.FriendlyName + "(" + oid.Value + ")")
                        Next oid
                    End If
                Next extension
            Next i
            store.Close()
        Catch
            Console.WriteLine("Information could not be written out for this certificate.")
        End Try

    End Sub
End Module

S’applique à

X509SubjectKeyIdentifierExtension(Byte[], Boolean)

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide dd'un tableau d'octets et d'une valeur qui identifie si l'extension est essentielle.

public:
 X509SubjectKeyIdentifierExtension(cli::array <System::Byte> ^ subjectKeyIdentifier, bool critical);
public X509SubjectKeyIdentifierExtension (byte[] subjectKeyIdentifier, bool critical);
new System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension : byte[] * bool -> System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension
Public Sub New (subjectKeyIdentifier As Byte(), critical As Boolean)

Paramètres

subjectKeyIdentifier
Byte[]

Tableau d'octets qui représente les données à utiliser pour créer l'extension.

critical
Boolean

true si l'extension est essentielle ; sinon, false.

S’applique à

X509SubjectKeyIdentifierExtension(ReadOnlySpan<Byte>, Boolean)

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d’une étendue d’octets en lecture seule et d'une valeur qui identifie si l'extension est essentielle.

public:
 X509SubjectKeyIdentifierExtension(ReadOnlySpan<System::Byte> subjectKeyIdentifier, bool critical);
public X509SubjectKeyIdentifierExtension (ReadOnlySpan<byte> subjectKeyIdentifier, bool critical);
new System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension : ReadOnlySpan<byte> * bool -> System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension
Public Sub New (subjectKeyIdentifier As ReadOnlySpan(Of Byte), critical As Boolean)

Paramètres

subjectKeyIdentifier
ReadOnlySpan<Byte>

Étendue d'octets en lecture seule qui représente les données à utiliser pour créer l'extension.

critical
Boolean

true si l'extension est essentielle ; sinon, false.

S’applique à

X509SubjectKeyIdentifierExtension(AsnEncodedData, Boolean)

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide de données codées et d'une valeur qui identifie si l'extension est essentielle.

public:
 X509SubjectKeyIdentifierExtension(System::Security::Cryptography::AsnEncodedData ^ encodedSubjectKeyIdentifier, bool critical);
public X509SubjectKeyIdentifierExtension (System.Security.Cryptography.AsnEncodedData encodedSubjectKeyIdentifier, bool critical);
new System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension : System.Security.Cryptography.AsnEncodedData * bool -> System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension
Public Sub New (encodedSubjectKeyIdentifier As AsnEncodedData, critical As Boolean)

Paramètres

encodedSubjectKeyIdentifier
AsnEncodedData

Objet AsnEncodedData à utiliser pour créer l'extension.

critical
Boolean

true si l'extension est essentielle ; sinon, false.

Remarques

Utilisez ce constructeur si les informations permettant de créer l’extension se trouvent déjà dans un AsnEncodedData objet.

S’applique à

X509SubjectKeyIdentifierExtension(PublicKey, Boolean)

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d'une clé publique et d'une valeur qui indique si l'extension est essentielle.

public:
 X509SubjectKeyIdentifierExtension(System::Security::Cryptography::X509Certificates::PublicKey ^ key, bool critical);
public X509SubjectKeyIdentifierExtension (System.Security.Cryptography.X509Certificates.PublicKey key, bool critical);
new System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension : System.Security.Cryptography.X509Certificates.PublicKey * bool -> System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension
Public Sub New (key As PublicKey, critical As Boolean)

Paramètres

key
PublicKey

Objet PublicKey à partir duquel créer l'identificateur de clé du sujet.

critical
Boolean

true si l'extension est essentielle ; sinon, false.

S’applique à

X509SubjectKeyIdentifierExtension(String, Boolean)

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d'une chaîne et d'une valeur qui identifie si l'extension est essentielle.

public:
 X509SubjectKeyIdentifierExtension(System::String ^ subjectKeyIdentifier, bool critical);
public X509SubjectKeyIdentifierExtension (string subjectKeyIdentifier, bool critical);
new System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension : string * bool -> System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension
Public Sub New (subjectKeyIdentifier As String, critical As Boolean)

Paramètres

subjectKeyIdentifier
String

Chaîne, codée au format hexadécimal, qui représente l'identificateur de clé du sujet d'un certificat.

critical
Boolean

true si l'extension est essentielle ; sinon, false.

Remarques

L’identificateur de clé d’objet (SKI) peut être utilisé pour identifier le certificat et est souvent utilisé lors de l’utilisation de la signature numérique XML.

S’applique à

X509SubjectKeyIdentifierExtension(PublicKey, X509SubjectKeyIdentifierHashAlgorithm, Boolean)

Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs
Source:
X509SubjectKeyIdentifierExtension.cs

Initialise une nouvelle instance de la classe X509SubjectKeyIdentifierExtension à l'aide d'une clé publique, d'un identificateur d'algorithme de hachage et d'une valeur qui indique si l'extension est essentielle.

public:
 X509SubjectKeyIdentifierExtension(System::Security::Cryptography::X509Certificates::PublicKey ^ key, System::Security::Cryptography::X509Certificates::X509SubjectKeyIdentifierHashAlgorithm algorithm, bool critical);
public X509SubjectKeyIdentifierExtension (System.Security.Cryptography.X509Certificates.PublicKey key, System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm algorithm, bool critical);
new System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension : System.Security.Cryptography.X509Certificates.PublicKey * System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm * bool -> System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension
Public Sub New (key As PublicKey, algorithm As X509SubjectKeyIdentifierHashAlgorithm, critical As Boolean)

Paramètres

key
PublicKey

Objet PublicKey à partir duquel créer l'identificateur de clé du sujet.

algorithm
X509SubjectKeyIdentifierHashAlgorithm

Une des valeurs X509SubjectKeyIdentifierHashAlgorithm qui identifient quel algorithme de hachage utiliser.

critical
Boolean

true si l'extension est essentielle ; sinon, false.

S’applique à