X509Certificate2Collection コンストラクタとは? わかりやすく解説

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X509Certificate2Collection コンストラクタ (X509Certificate2)

メモ : このコンストラクタは、.NET Framework version 2.0新しく追加されたものです。

X509Certificate2 オブジェクト使用して X509Certificate2Collection クラス新しインスタンス初期化します。

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

Public Sub New ( _
    certificate As X509Certificate2 _
)
Dim certificate As X509Certificate2

Dim instance As New X509Certificate2Collection(certificate)
public X509Certificate2Collection (
    X509Certificate2 certificate
)
public:
X509Certificate2Collection (
    X509Certificate2^ certificate
)
public X509Certificate2Collection (
    X509Certificate2 certificate
)
public function X509Certificate2Collection
 (
    certificate : X509Certificate2
)

パラメータ

certificate

コレクション最初の X509Certificate2 オブジェクト

プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照
関連項目
X509Certificate2Collection クラス
X509Certificate2Collection メンバ
System.Security.Cryptography.X509Certificates 名前空間

X509Certificate2Collection コンストラクタ (X509Certificate2[])

メモ : このコンストラクタは、.NET Framework version 2.0新しく追加されたものです。

X509Certificate2 オブジェクト配列使用して、X509Certificate2Collection クラス新しインスタンス初期化します。

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

Public Sub New ( _
    certificates As X509Certificate2() _
)
Dim certificates As X509Certificate2()

Dim instance As New X509Certificate2Collection(certificates)
public X509Certificate2Collection (
    X509Certificate2[] certificates
)
public:
X509Certificate2Collection (
    array<X509Certificate2^>^ certificates
)
public X509Certificate2Collection (
    X509Certificate2[] certificates
)
public function X509Certificate2Collection
 (
    certificates : X509Certificate2[]
)

パラメータ

certificates

X509Certificate2 オブジェクト配列

使用例使用例

現在のユーザー個人用証明書ストア開いて有効な証明書だけを選択しユーザー証明書選択できるようにして、証明書および証明書チェーン情報コンソール出力するコード例次に示します出力は、選択した証明書依存します

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

class CertSelect
{
    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)
                {
                    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);
                    X509Certificate2UI.DisplayCertificate(x509);
                    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);
         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." );
   }

}

プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照
関連項目
X509Certificate2Collection クラス
X509Certificate2Collection メンバ
System.Security.Cryptography.X509Certificates 名前空間

X509Certificate2Collection コンストラクタ (X509Certificate2Collection)

メモ : このコンストラクタは、.NET Framework version 2.0新しく追加されたものです。

証明書コレクション指定してX509Certificate2Collection クラス新しインスタンス初期化します。

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

Public Sub New ( _
    certificates As X509Certificate2Collection _
)
Dim certificates As X509Certificate2Collection

Dim instance As New X509Certificate2Collection(certificates)
public X509Certificate2Collection (
    X509Certificate2Collection certificates
)
public:
X509Certificate2Collection (
    X509Certificate2Collection^ certificates
)
public X509Certificate2Collection (
    X509Certificate2Collection certificates
)
public function X509Certificate2Collection
 (
    certificates : X509Certificate2Collection
)

パラメータ

certificates

X509Certificate2Collection オブジェクト

使用例使用例

現在のユーザー個人用証明書ストア開いて有効な証明書だけを選択しユーザー証明書選択できるようにして、証明書および証明書チェーン情報コンソール出力するコード例次に示します出力は、ユーザー選択した証明書によって異なります

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

class CertSelect
{
    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)
                {
                    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);
                    X509Certificate2UI.DisplayCertificate(x509);
                    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);
         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." );
   }

}

プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照
関連項目
X509Certificate2Collection クラス
X509Certificate2Collection メンバ
System.Security.Cryptography.X509Certificates 名前空間

X509Certificate2Collection コンストラクタ

X509Certificate2Collection クラス新しインスタンス初期化します。
オーバーロードの一覧オーバーロードの一覧

名前 説明
X509Certificate2Collection () X509Certificate2 情報指定せずに、X509Certificate2Collection クラス新しインスタンス初期化します。
X509Certificate2Collection (X509Certificate2) X509Certificate2 オブジェクト使用して X509Certificate2Collection クラス新しインスタンス初期化します。
X509Certificate2Collection (X509Certificate2[]) X509Certificate2 オブジェクト配列使用してX509Certificate2Collection クラス新しインスタンス初期化します。
X509Certificate2Collection (X509Certificate2Collection) 証明書コレクション指定してX509Certificate2Collection クラス新しインスタンス初期化します。
参照参照

関連項目

X509Certificate2Collection クラス
X509Certificate2Collection メンバ
System.Security.Cryptography.X509Certificates 名前空間

X509Certificate2Collection コンストラクタ ()

メモ : このコンストラクタは、.NET Framework version 2.0新しく追加されたものです。

X509Certificate2 情報指定せずに、X509Certificate2Collection クラス新しインスタンス初期化します。

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

Dim instance As New X509Certificate2Collection
public X509Certificate2Collection ()
public:
X509Certificate2Collection ()
public X509Certificate2Collection ()
public function X509Certificate2Collection
 ()
解説解説
使用例使用例

現在のユーザー個人用証明書ストア開いて有効な証明書だけを選択しユーザー証明書選択できるようにして、証明書および証明書チェーン情報コンソール出力するコード例次に示します出力は、ユーザー選択した証明書によって異なります

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

class CertSelect
{
    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)
                {
                    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);
                    X509Certificate2UI.DisplayCertificate(x509);
                    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);
         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." );
   }

}

プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照
関連項目
X509Certificate2Collection クラス
X509Certificate2Collection メンバ
System.Security.Cryptography.X509Certificates 名前空間



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