AsnEncodedDataCollection.CopyTo メソッド
アセンブリ: System (system.dll 内)

Dim instance As AsnEncodedDataCollection Dim array As AsnEncodedData() Dim index As Integer instance.CopyTo(array, index)


AsnEncodedDataCollection クラスを使用するコード例を次に示します。
Imports System Imports System.Security.Cryptography Imports System.Security.Cryptography.X509Certificates Class AsnEncodedDataSample Shared msg As String Shared Sub Main() 'The following example demonstrates the usage the AsnEncodedData classes. ' Asn encoded data is read from the extensions of an X509 certificate. Try ' Open the certificate store. 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) ' Select one or more certificates to display extensions information. Dim scollection As X509Certificate2Collection = X509Certificate2UI.SelectFromCollection(fcollection, "Certificate Select", "Select certificates from the following list to get extension information on that certificate", X509SelectionFlag.MultiSelection) ' Create a new AsnEncodedDataCollection object. Dim asncoll As New AsnEncodedDataCollection() Dim i As Integer For i = 0 To scollection.Count - 1 ' Display certificate information. msg = "Certificate name: "& scollection(i).GetName() MsgBox(msg) ' Display extensions information. Dim extension As X509Extension For Each extension In scollection(i).Extensions ' Create an AsnEncodedData object using the extensions information. Dim asndata As New AsnEncodedData(extension.Oid, extension.RawData) msg = "Extension type: " & extension.Oid.FriendlyName & Environment.NewLine & "Oid value: " & asndata.Oid.Value _ & Environment.NewLine & "Raw data length: " & asndata.RawData.Length & Environment.NewLine _ & asndata.Format(True) & Environment.NewLine MsgBox(msg) ' Add the AsnEncodedData object to the AsnEncodedDataCollection object. asncoll.Add(asndata) Next extension Next i msg = "Number of AsnEncodedData items in the collection: " & asncoll.Count MsgBox(msg) store.Close() 'Create an enumerator for moving through the collection. Dim asne As AsnEncodedDataEnumerator = asncoll.GetEnumerator() 'You must execute a MoveNext() to get to the first item in the collection. asne.MoveNext() ' Write out AsnEncodedData in the collection. msg = "First AsnEncodedData in the collection: " & asne.Current.Format(True) MsgBox(msg) asne.MoveNext() msg = "Second AsnEncodedData in the collection: " & asne.Current.Format(True) MsgBox(msg) 'Return index in the collection to the beginning. asne.Reset() Catch MsgBox("Information could not be written out for this certificate.") End Try End Sub 'Main End Class 'AsnEncodedDataSample
using System; using System.Security.Cryptography; using System.Security.Cryptography.X509Certificates; class AsnEncodedDataSample { static void Main() { //The following example demonstrates the usage the AsnEncodedData classes. // Asn encoded data is read from the extensions of an X509 certificate. try { // Open the certificate store. 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); // Select one or more certificates to display extensions information. X509Certificate2Collection scollection = X509Certificate2UI.SelectFromCollection(fcollection, "Certificate Select", "Select certificates from the following list to get extension information on that certificate", X509SelectionFlag.MultiSelection); // Create a new AsnEncodedDataCollection object. AsnEncodedDataCollection asncoll = new AsnEncodedDataCollection(); for (int i = 0; i < scollection.Count; i++) { // Display certificate information. Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("Certificate name: {0}", scollection[i].GetName()); Console.ResetColor(); // Display extensions information. foreach (X509Extension extension in scollection[i].Extensions) { // Create an AsnEncodedData object using the extensions information. AsnEncodedData asndata = new AsnEncodedData(extension.Oid, extension.RawData); Console.ForegroundColor = ConsoleColor.Green; Console.WriteLine("Extension type: {0}", extension.Oid.FriendlyName); Console.WriteLine("Oid value: {0}",asndata.Oid.Value); Console.WriteLine("Raw data length: {0} {1}", asndata.RawData.Length, Environment.NewLine); Console.ResetColor(); Console.WriteLine(asndata.Format(true)); Console.WriteLine(Environment.NewLine); // Add the AsnEncodedData object to the AsnEncodedDataCollection object. asncoll.Add(asndata); } Console.WriteLine(Environment.NewLine); } Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("Number of AsnEncodedData items in the collection: {0} {1}", asncoll.Count, Environment.NewLine); Console.ResetColor(); store.Close(); //Create an enumerator for moving through the collection. AsnEncodedDataEnumerator asne = asncoll.GetEnumerator(); //You must execute a MoveNext() to get to the first item in the collection. asne.MoveNext(); // Write out AsnEncodedData in the collection. Console.ForegroundColor = ConsoleColor.Blue; Console.WriteLine("First AsnEncodedData in the collection: {0}", asne.Current.Format(true)); Console.ResetColor(); asne.MoveNext(); Console.ForegroundColor = ConsoleColor.DarkBlue; Console.WriteLine("Second AsnEncodedData in the collection: {0}", asne.Current.Format(true)); Console.ResetColor(); //Return index in the collection to the beginning. asne.Reset(); } 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::Cryptography::X509Certificates; int main() { //The following example demonstrates the usage of the AsnEncodedData classes. // Asn encoded data is read from the extensions of an X509 certificate. try { // Open the certificate store. X509Store^ store = gcnew X509Store( L"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 )); // Select one or more certificates to display extensions information. X509Certificate2Collection^ scollection = X509Certificate2UI::SelectFromCollection(fcollection, L"Certificate Select",L"Select certificates from the following list to get extension information on that certificate",X509SelectionFlag::MultiSelection); // Create a new AsnEncodedDataCollection object. AsnEncodedDataCollection^ asncoll = gcnew AsnEncodedDataCollection; for ( int i = 0; i < scollection->Count; i++ ) { // Display certificate information. Console::ForegroundColor = ConsoleColor::Red; Console::WriteLine( L"Certificate name: {0}", scollection[i]->GetName() ); Console::ResetColor(); // Display extensions information. System::Collections::IEnumerator^ myEnum = scollection[i]->Extensions->GetEnumerator(); while ( myEnum->MoveNext() ) { X509Extension^ extension = safe_cast<X509Extension ^>(myEnum->Current); // Create an AsnEncodedData object using the extensions information. AsnEncodedData^ asndata = gcnew AsnEncodedData( extension->Oid,extension->RawData ); Console::ForegroundColor = ConsoleColor::Green; Console::WriteLine( L"Extension type: {0}", extension->Oid->FriendlyName ); Console::WriteLine( L"Oid value: {0}", asndata->Oid->Value ); Console::WriteLine( L"Raw data length: {0} {1}", asndata->RawData->Length, Environment::NewLine ); Console::ResetColor(); Console::WriteLine( asndata->Format(true) ); Console::WriteLine( Environment::NewLine ); // Add the AsnEncodedData object to the AsnEncodedDataCollection object. asncoll->Add( asndata ); } Console::WriteLine( Environment::NewLine ); } Console::ForegroundColor = ConsoleColor::Red; Console::WriteLine( L"Number of AsnEncodedData items in the collection: {0} {1}", asncoll->Count, Environment::NewLine ); Console::ResetColor(); store->Close(); //Create an enumerator for moving through the collection. AsnEncodedDataEnumerator^ asne = asncoll->GetEnumerator(); //You must execute a MoveNext() to get to the first item in the collection. asne->MoveNext(); // Write out AsnEncodedData in the collection. Console::ForegroundColor = ConsoleColor::Blue; Console::WriteLine( L"First AsnEncodedData in the collection: {0}", asne->Current->Format(true) ); Console::ResetColor(); asne->MoveNext(); Console::ForegroundColor = ConsoleColor::DarkBlue; Console::WriteLine( L"Second AsnEncodedData in the collection: {0}", asne->Current->Format(true) ); Console::ResetColor(); //Return index in the collection to the beginning. asne->Reset(); } catch ( CryptographicException^ ) { Console::WriteLine( L"Information could not be written out for this certificate." ); } return 1; }

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