X509Certificate2.GetCertContentType メソッド

リファレンス

定義

名前空間:: System.Security.Cryptography.X509Certificates

アセンブリ:: System.Security.Cryptography.X509Certificates.dll

アセンブリ:: System.Security.Cryptography.dll

アセンブリ:: System.dll

アセンブリ:: netstandard.dll

重要

一部の情報は、リリース前に大きく変更される可能性があるプレリリースされた製品に関するものです。 Microsoft は、ここに記載されている情報について、明示または黙示を問わず、一切保証しません。

バイト配列またはファイルに含まれる証明書の種類を示します。

オーバーロード

GetCertContentType(String)	ファイルに含まれる証明書の種類を示します。
GetCertContentType(ReadOnlySpan<Byte>)	指定されたデータに含まれる証明書の種類を示します。
GetCertContentType(Byte[])	バイト配列に含まれる証明書の種類を示します。

GetCertContentType(String)

ソース:: X509Certificate2.cs

ソース:: X509Certificate2.cs

ソース:: X509Certificate2.cs

ファイルに含まれる証明書の種類を示します。

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

public static System.Security.Cryptography.X509Certificates.X509ContentType GetCertContentType (string fileName);

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

static member GetCertContentType : string -> System.Security.Cryptography.X509Certificates.X509ContentType

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

Public Shared Function GetCertContentType (fileName As String) As X509ContentType

パラメーター

fileName: String

証明書ファイルの名前。

戻り値

X509ContentType

X509ContentType オブジェクト。

属性: UnsupportedOSPlatformAttribute

例外

ArgumentNullException

fileName は nullです。

注釈

このメソッドを使用すると、ファイル内の証明書の種類を検出できます。

適用対象

GetCertContentType(ReadOnlySpan<Byte>)

ソース:: X509Certificate2.cs

ソース:: X509Certificate2.cs

ソース:: X509Certificate2.cs

指定されたデータに含まれる証明書の種類を示します。

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

public static System.Security.Cryptography.X509Certificates.X509ContentType GetCertContentType (ReadOnlySpan<byte> rawData);

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

static member GetCertContentType : ReadOnlySpan<byte> -> System.Security.Cryptography.X509Certificates.X509ContentType

[<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

パラメーター

rawData: ReadOnlySpan<Byte>

識別するデータ。

戻り値

X509ContentType

指定されたデータのコンテンツタイプを示す列挙値の 1 つ。

属性: UnsupportedOSPlatformAttribute

適用対象

GetCertContentType(Byte[])

ソース:: X509Certificate2.cs

ソース:: X509Certificate2.cs

ソース:: X509Certificate2.cs

バイト配列に含まれる証明書の種類を示します。

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

public static System.Security.Cryptography.X509Certificates.X509ContentType GetCertContentType (byte[] rawData);

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

static member GetCertContentType : byte[] -> System.Security.Cryptography.X509Certificates.X509ContentType

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

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

パラメーター

rawData: Byte[]

X.509 証明書のデータを含むバイト配列。

戻り値

X509ContentType

X509ContentType オブジェクト。

属性: UnsupportedOSPlatformAttribute

例外

ArgumentException

rawData の長さが 0 であるか、nullです。

CryptographicException

rawData 内のコンテンツの種類を特定できなかったか、不明です。

例

次のコード例では、現在のユーザー証明書ストアを開き、アクティブな証明書のみを選択し、ユーザーが 1 つ以上の証明書を選択できるようにします。次に、証明書情報をコンソールに書き込みます。

#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

注釈

このメソッドを使用すると、ファイル内の証明書の種類を検出できます。

適用対象

次の方法で共有

X509Certificate2.GetCertContentType メソッド

定義

オーバーロード

GetCertContentType(String)

パラメーター

戻り値

例外

注釈

適用対象

GetCertContentType(ReadOnlySpan<Byte>)

パラメーター

戻り値

適用対象

GetCertContentType(Byte[])

パラメーター

戻り値

例外

例

注釈

適用対象

その他のリソース