X500DistinguishedName.Name プロパティとは? わかりやすく解説

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X500DistinguishedName.Name プロパティ

メモ : このプロパティは、.NET Framework version 2.0新しく追加されたものです。

X500 証明書からコンマ区切り識別名を取得します

名前空間: System.Security.Cryptography.X509Certificates
アセンブリ: System (system.dll 内)
構文構文

解説解説

識別名には次の形式使用されます。

[X500:/C=CountryCode/O=Organization/OU=OrganizationUnit/CN=CommonName]

使用例使用例

X500DistinguishedName クラス使用するコード例次に示します

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



Class X500Sample
   Shared msg As String
   Shared 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)
         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)
     msg = "Number of certificates: " & scollection.Count
 & Environment.NewLine
     MsgBox(msg)
         Dim x509 As X509Certificate2
         For Each x509 In
  scollection
            Dim dname As New
 X500DistinguishedName(x509.SubjectName)
        msg = "X500DistinguishedName: " & dname.Name
 & Environment.NewLine
     MsgBox(msg)
            x509.Reset()
         Next x509
         store.Close()
     Catch e As Exception
            msg = "Error: Information could not be written out
 for this certificate."
            MsgBox(msg)
      End Try
   End Sub 'Main 
End Class 'X500Sample
using System;
using System.Security.Cryptography;
using System.Security.Permissions;
using System.IO;
using System.Security.Cryptography.X509Certificates;

class X500Sample
{
    static void Main()
    {
        try
        {
            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)
            {
                X500DistinguishedName dname = new X500DistinguishedName(x509.SubjectName);
                Console.WriteLine("X500DistinguishedName: {0}{1}", dname.Name,
 Environment.NewLine);
                x509.Reset();
            }
            store.Close();
        }
        catch (CryptographicException)
        {
            Console.WriteLine("Information could not be written out for
 this certificate.");
        }

    }
}
#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);
         X500DistinguishedName ^ dname = gcnew X500DistinguishedName( x509->SubjectName
 );
         Console::WriteLine( "X500DistinguishedName: {0}{1}", dname->Name,
 Environment::NewLine );
         x509->Reset();
      }
      store->Close();
   }
   catch ( CryptographicException^ ) 
   {
      Console::WriteLine( "Information could not be written out for
 this certificate." );
   }

}

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参照参照
関連項目
X500DistinguishedName クラス
X500DistinguishedName メンバ
System.Security.Cryptography.X509Certificates 名前空間



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