X509Certificate2.GetCertContentType Méthode

Définition

Espace de noms:

System.Security.Cryptography.X509Certificates

Assembly:

System.Security.Cryptography.dll

Indique le type de certificat contenu dans un tableau d'octets ou dans un fichier.

Surcharges

GetCertContentType(String)	Indique le type de certificat contenu dans un fichier.
GetCertContentType(ReadOnlySpan<Byte>)	Indique le type de certificat contenu dans les données fournies.
GetCertContentType(Byte[])	Indique le type de certificat contenu dans un tableau d'octets.

GetCertContentType(String)

Source:

X509Certificate2.cs

Indique le type de certificat contenu dans un fichier.

public:
 static System::Security::Cryptography::X509Certificates::X509ContentType GetCertContentType(System::String ^ fileName);

[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static System.Security.Cryptography.X509Certificates.X509ContentType GetCertContentType (string fileName);

[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member GetCertContentType : string -> System.Security.Cryptography.X509Certificates.X509ContentType

Public Shared Function GetCertContentType (fileName As String) As X509ContentType

Paramètres

fileName

String

Nom d'un fichier de certificat.

Retours

X509ContentType

Objet X509ContentType.

Attributs

UnsupportedOSPlatformAttribute

Exceptions

ArgumentNullException

fileName a la valeur null.

Remarques

Cette méthode vous permet de découvrir le type de certificat dans un fichier.

GetCertContentType(ReadOnlySpan<Byte>)

Source:

X509Certificate2.cs

Indique le type de certificat contenu dans les données fournies.

public:
 static System::Security::Cryptography::X509Certificates::X509ContentType GetCertContentType(ReadOnlySpan<System::Byte> rawData);

[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static System.Security.Cryptography.X509Certificates.X509ContentType GetCertContentType (ReadOnlySpan<byte> rawData);

[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member GetCertContentType : ReadOnlySpan<byte> -> System.Security.Cryptography.X509Certificates.X509ContentType

Public Shared Function GetCertContentType (rawData As ReadOnlySpan(Of Byte)) As X509ContentType

Paramètres

rawData

ReadOnlySpan<Byte>

Données à identifier.

Retours

X509ContentType

Une des valeurs d’énumération qui indiquent le type de contenu des données fournies.

Attributs

UnsupportedOSPlatformAttribute

GetCertContentType(Byte[])

Source:

X509Certificate2.cs

Indique le type de certificat contenu dans un tableau d'octets.

public:
 static System::Security::Cryptography::X509Certificates::X509ContentType GetCertContentType(cli::array <System::Byte> ^ rawData);

[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static System.Security.Cryptography.X509Certificates.X509ContentType GetCertContentType (byte[] rawData);

[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member GetCertContentType : byte[] -> System.Security.Cryptography.X509Certificates.X509ContentType

Public Shared Function GetCertContentType (rawData As Byte()) As X509ContentType

Paramètres

rawData

Byte[]

Tableau d'octets contenant les données d'un certificat X.509.

Retours

X509ContentType

Objet X509ContentType.

Attributs

UnsupportedOSPlatformAttribute

Exceptions

ArgumentException

rawData a une longueur zéro ou est null.

Exemples

L’exemple de code suivant ouvre le magasin de certificats utilisateur actuel, sélectionne uniquement les certificats actifs, puis permet à l’utilisateur de sélectionner un ou plusieurs certificats. L’exemple écrit ensuite les informations de certificat dans la console.

#using <System.dll>
#using <System.Security.dll>

using namespace System;
using namespace System::Security::Cryptography;
using namespace System::Security::Permissions;
using namespace System::IO;
using namespace System::Security::Cryptography::X509Certificates;
int main()
{
   try
   {
      X509Store ^ store = gcnew X509Store( "MY",StoreLocation::CurrentUser );
      store->Open( static_cast<OpenFlags>(OpenFlags::ReadOnly | OpenFlags::OpenExistingOnly) );
      X509Certificate2Collection ^ collection = dynamic_cast<X509Certificate2Collection^>(store->Certificates);
      X509Certificate2Collection ^ fcollection = dynamic_cast<X509Certificate2Collection^>(collection->Find( X509FindType::FindByTimeValid, DateTime::Now, false ));
      X509Certificate2Collection ^ scollection = X509Certificate2UI::SelectFromCollection(fcollection, "Test Certificate Select","Select a certificate from the following list to get information on that certificate",X509SelectionFlag::MultiSelection);
      Console::WriteLine( "Number of certificates: {0}{1}", scollection->Count, Environment::NewLine );
      System::Collections::IEnumerator^ myEnum = scollection->GetEnumerator();
      while ( myEnum->MoveNext() )
      {
         X509Certificate2 ^ x509 = safe_cast<X509Certificate2 ^>(myEnum->Current);
         array<Byte>^rawdata = x509->RawData;
         Console::WriteLine( "Content Type: {0}{1}", X509Certificate2::GetCertContentType( rawdata ), Environment::NewLine );
         Console::WriteLine( "Friendly Name: {0}{1}", x509->FriendlyName, Environment::NewLine );
         Console::WriteLine( "Certificate Verified?: {0}{1}", x509->Verify(), Environment::NewLine );
         Console::WriteLine( "Simple Name: {0}{1}", x509->GetNameInfo( X509NameType::SimpleName, true ), Environment::NewLine );
         Console::WriteLine( "Signature Algorithm: {0}{1}", x509->SignatureAlgorithm->FriendlyName, Environment::NewLine );
         Console::WriteLine( "Private Key: {0}{1}", x509->PrivateKey->ToXmlString( false ), Environment::NewLine );
         Console::WriteLine( "Public Key: {0}{1}", x509->PublicKey->Key->ToXmlString( false ), Environment::NewLine );
         Console::WriteLine( "Certificate Archived?: {0}{1}", x509->Archived, Environment::NewLine );
         Console::WriteLine( "Length of Raw Data: {0}{1}", x509->RawData->Length, Environment::NewLine );
         x509->Reset();
      }
      store->Close();
   }
   catch ( CryptographicException^ ) 
   {
      Console::WriteLine( "Information could not be written out for this certificate." );
   }

}

using System;
using System.Security.Cryptography;
using System.Security.Permissions;
using System.IO;
using System.Security.Cryptography.X509Certificates;

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

        X509Certificate2Collection collection = (X509Certificate2Collection)store.Certificates;
        X509Certificate2Collection fcollection = (X509Certificate2Collection)collection.Find(X509FindType.FindByTimeValid,DateTime.Now,false);
        X509Certificate2Collection scollection = X509Certificate2UI.SelectFromCollection(fcollection, "Test Certificate Select","Select a certificate from the following list to get information on that certificate",X509SelectionFlag.MultiSelection);
        Console.WriteLine("Number of certificates: {0}{1}",scollection.Count,Environment.NewLine);

        foreach (X509Certificate2 x509 in scollection)
        {
            try
            {
                byte[] rawdata = x509.RawData;
                Console.WriteLine("Content Type: {0}{1}",X509Certificate2.GetCertContentType(rawdata),Environment.NewLine);
                Console.WriteLine("Friendly Name: {0}{1}",x509.FriendlyName,Environment.NewLine);
                Console.WriteLine("Certificate Verified?: {0}{1}",x509.Verify(),Environment.NewLine);
                Console.WriteLine("Simple Name: {0}{1}",x509.GetNameInfo(X509NameType.SimpleName,true),Environment.NewLine);
                Console.WriteLine("Signature Algorithm: {0}{1}",x509.SignatureAlgorithm.FriendlyName,Environment.NewLine);
                Console.WriteLine("Public Key: {0}{1}",x509.PublicKey.Key.ToXmlString(false),Environment.NewLine);
                Console.WriteLine("Certificate Archived?: {0}{1}",x509.Archived,Environment.NewLine);
                Console.WriteLine("Length of Raw Data: {0}{1}",x509.RawData.Length,Environment.NewLine);
                X509Certificate2UI.DisplayCertificate(x509);
                x509.Reset();
            }
            catch (CryptographicException)
            {
                Console.WriteLine("Information could not be written out for this certificate.");
            }
        }
        store.Close();
    }
}

Imports System.Security.Cryptography
Imports System.Security.Permissions
Imports System.IO
Imports System.Security.Cryptography.X509Certificates

Class CertSelect

    Shared Sub Main()

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

        Dim collection As X509Certificate2Collection = CType(store.Certificates, X509Certificate2Collection)
        Dim fcollection As X509Certificate2Collection = CType(collection.Find(X509FindType.FindByTimeValid, DateTime.Now, False), X509Certificate2Collection)
        Dim scollection As X509Certificate2Collection = X509Certificate2UI.SelectFromCollection(fcollection, "Test Certificate Select", "Select a certificate from the following list to get information on that certificate", X509SelectionFlag.MultiSelection)
        Console.WriteLine("Number of certificates: {0}{1}", scollection.Count, Environment.NewLine)
         
        For Each x509 As X509Certificate2 In scollection
            Try
                Dim rawdata As Byte() = x509.RawData
                Console.WriteLine("Content Type: {0}{1}", X509Certificate2.GetCertContentType(rawdata), Environment.NewLine)
                Console.WriteLine("Friendly Name: {0}{1}", x509.FriendlyName, Environment.NewLine)
                Console.WriteLine("Certificate Verified?: {0}{1}", x509.Verify(), Environment.NewLine)
                Console.WriteLine("Simple Name: {0}{1}", x509.GetNameInfo(X509NameType.SimpleName, True), Environment.NewLine)
                Console.WriteLine("Signature Algorithm: {0}{1}", x509.SignatureAlgorithm.FriendlyName, Environment.NewLine)
                Console.WriteLine("Public Key: {0}{1}", x509.PublicKey.Key.ToXmlString(False), Environment.NewLine)
                Console.WriteLine("Certificate Archived?: {0}{1}", x509.Archived, Environment.NewLine)
                Console.WriteLine("Length of Raw Data: {0}{1}", x509.RawData.Length, Environment.NewLine)
                X509Certificate2UI.DisplayCertificate(x509)
                x509.Reset()         
             Catch cExcept As CryptographicException
                 Console.WriteLine("Information could not be written out for this certificate.")
             End Try
        Next x509

        store.Close()
    End Sub
End Class

Remarques

Cette méthode vous permet de découvrir le type de certificat dans un fichier.