RSAPKCS1KeyExchangeFormatter クラス
アセンブリ: mscorlib (mscorlib.dll 内)

<ComVisibleAttribute(True)> _ Public Class RSAPKCS1KeyExchangeFormatter Inherits AsymmetricKeyExchangeFormatter
[ComVisibleAttribute(true)] public class RSAPKCS1KeyExchangeFormatter : AsymmetricKeyExchangeFormatter
[ComVisibleAttribute(true)] public ref class RSAPKCS1KeyExchangeFormatter : public AsymmetricKeyExchangeFormatter

キー交換を使用すると、送信者は、対称暗号化アルゴリズムでキーとして使用できるランダム データなどの秘密情報を作成し、それを暗号化して目的の受信者に送信できます。
RSAPKCS1KeyExchangeDeformatter を使用して、キー交換を受け取り、その中から秘密情報を抽出します。
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キー交換を正常に行うには、細かな操作を慎重に実行する必要があるため、提供されている基本機能から独自のキー交換方法を作成することはお勧めできません。 |

RSAPKCS1KeyExchangeFormatter クラスのメンバを使用する方法を次のコード例に示します。
Imports System Imports System.Security.Cryptography Imports System.Text Public Class Form1 Inherits System.Windows.Forms.Form ' Use a member variable to hold the RSA key for encoding and decoding. Private rsaKey As RSA ' Event handler for Run button. Private Sub Button1_Click( _ ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click tbxOutput.Cursor = Cursors.WaitCursor tbxOutput.Text = "" Dim message As String = "A phrase to be encoded." InitializeKey(RSA.Create()) WriteLine("Encoding the following message:") WriteLine(message) Dim encodedMessage() As Byte = EncodeMessage(message) WriteLine("Resulting message encoded:") WriteLine(Encoding.ASCII.GetString(encodedMessage)) Dim decodedMessage As String = DecodeMessage(encodedMessage) WriteLine("Resulting message decoded:") WriteLine(decodedMessage) ' Construct a formatter to demonstrate how to set each property. ConstructFormatter() ' Construct a deformatter to demonstrate how to set each property. ConstructDeformatter() ' Align interface and conclude application. tbxOutput.AppendText(vbCrLf + "This sample completed " + _ "successfully; press Exit to continue.") ' Reset the cursor. tbxOutput.Cursor = Cursors.Default End Sub ' Initialize an rsaKey member variable with the specified RSA key. private sub InitializeKey(byval key as RSA) rsaKey = key End Sub ' Use the RSAPKCS1KeyExchangeDeformatter class to decode the ' specified message. Private Function EncodeMessage(ByVal message As String) As Byte() Dim encodedMessage() As Byte = Nothing Try ' Construct a formatter with the specified RSA key. Dim keyEncryptor As New RSAPKCS1KeyExchangeFormatter(rsaKey) ' Convert the message to bytes to create the encrypted data. Dim byteMessage() As Byte byteMessage = Encoding.ASCII.GetBytes(message) encodedMessage = keyEncryptor.CreateKeyExchange(byteMessage) Catch ex As Exception WriteLine("Unexpected exception caught:" + ex.ToString()) End Try Return encodedMessage End Function ' Use the RSAPKCS1KeyExchangeDeformatter class to decode the ' specified message. Private Function DecodeMessage(ByVal encodedMessage() As Byte) As String Dim decodedMessage As String = Nothing Try ' Construct a deformatter with the specified RSA key. Dim keyDecryptor As New RSAPKCS1KeyExchangeDeformatter(rsaKey) ' Decrypt the encoded message. Dim decodedBytes() As Byte decodedBytes = keyDecryptor.DecryptKeyExchange(encodedMessage) ' Retrieve a string representation of the decoded message. decodedMessage = Encoding.ASCII.GetString(decodedBytes) Catch ex As Exception WriteLine("Unexpected exception caught:" + ex.ToString()) End Try Return decodedMessage End Function ' Create an RSAPKCS1KeyExchangeFormatter object with a new RSA key. ' Display its properties to the console. Private Sub ConstructFormatter() ' Construct an empty Optimal Asymmetric Encryption Padding (OAEP) ' key exchange. Dim rsaFormatter = New RSAPKCS1KeyExchangeFormatter ' Create an RSAKey and set it into the specified ' RSAPKCS1KeyExchangeFormatter. Dim key As RSA = RSA.Create() rsaFormatter.SetKey(key) ' Create a random number using RNGCryptoServiceProvider. Dim ring As New RNGCryptoServiceProvider rsaFormatter.Rng = ring WriteLine(vbCrLf + "**" + rsaFormatter.ToString() + "**") WriteLine("The following random number was generated for the class:") WriteLine(rsaFormatter.Rng.ToString()) dim xmlParameters as string = rsaFormatter.Parameters WriteLine(vbCrLf + "The RSA formatter has the following parameters:") WriteLine(xmlParameters) End Sub ' Create an RSAPKCS1KeyExchangeDeformatter object with a new RSA key. ' Display its properties to the console. Private Sub ConstructDeformatter() ' Construct an empty OAEP key exchange. Dim rsaDeformatter As New RSAPKCS1KeyExchangeDeformatter ' Create an RSAKey and set it into the specified ' RSAPKCS1KeyExchangeFormatter. Dim key As RSA = RSA.Create() rsaDeformatter.SetKey(key) Dim ring As New RNGCryptoServiceProvider rsaDeformatter.RNG = ring dim xmlParameters as string = rsaDeformatter.Parameters WriteLine(vbCrLf + "**" + rsaDeformatter.ToString() + "**") Write(vbCrLf + "The RSA deformatter has the following ") WriteLine("parameters:" + xmlParameters) End Sub ' Write message with carriage return to output textbox. Private Sub Write(ByVal message As String) tbxOutput.AppendText(message) End Sub ' Write message with carriage return to output textbox. Private Sub WriteLine(ByVal message As String) tbxOutput.AppendText(message + vbCrLf) End Sub ' Event handler for Exit button. Private Sub Button2_Click( _ ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button2.Click Application.Exit() End Sub #Region " Windows Form Designer generated code " Public Sub New() MyBase.New() 'This call is required by the Windows Form Designer. InitializeComponent() 'Add any initialization after the InitializeComponent() call End Sub 'Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub 'Required by the Windows Form Designer Private components As System.ComponentModel.IContainer 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. 'Do not modify it using the code editor. Friend WithEvents Panel2 As System.Windows.Forms.Panel Friend WithEvents Panel1 As System.Windows.Forms.Panel Friend WithEvents Button1 As System.Windows.Forms.Button Friend WithEvents Button2 As System.Windows.Forms.Button Friend WithEvents tbxOutput As System.Windows.Forms.RichTextBox <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.Panel2 = New System.Windows.Forms.Panel Me.Button1 = New System.Windows.Forms.Button Me.Button2 = New System.Windows.Forms.Button Me.Panel1 = New System.Windows.Forms.Panel Me.tbxOutput = New System.Windows.Forms.RichTextBox Me.Panel2.SuspendLayout() Me.Panel1.SuspendLayout() Me.SuspendLayout() ' 'Panel2 ' Me.Panel2.Controls.Add(Me.Button1) Me.Panel2.Controls.Add(Me.Button2) Me.Panel2.Dock = System.Windows.Forms.DockStyle.Bottom Me.Panel2.DockPadding.All = 20 Me.Panel2.Location = New System.Drawing.Point(0, 320) Me.Panel2.Name = "Panel2" Me.Panel2.Size = New System.Drawing.Size(616, 64) Me.Panel2.TabIndex = 1 ' 'Button1 ' Me.Button1.Dock = System.Windows.Forms.DockStyle.Right Me.Button1.Font = New System.Drawing.Font( _ "Microsoft Sans Serif", _ 9.0!, _ System.Drawing.FontStyle.Regular, _ System.Drawing.GraphicsUnit.Point, _ CType(0, Byte)) Me.Button1.Location = New System.Drawing.Point(446, 20) Me.Button1.Name = "Button1" Me.Button1.Size = New System.Drawing.Size(75, 24) Me.Button1.TabIndex = 2 Me.Button1.Text = "&Run" ' 'Button2 ' Me.Button2.Dock = System.Windows.Forms.DockStyle.Right Me.Button2.Font = New System.Drawing.Font( _ "Microsoft Sans Serif", _ 9.0!, _ System.Drawing.FontStyle.Regular, _ System.Drawing.GraphicsUnit.Point, _ CType(0, Byte)) Me.Button2.Location = New System.Drawing.Point(521, 20) Me.Button2.Name = "Button2" Me.Button2.Size = New System.Drawing.Size(75, 24) Me.Button2.TabIndex = 3 Me.Button2.Text = "E&xit" ' 'Panel1 ' Me.Panel1.Controls.Add(Me.tbxOutput) Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill Me.Panel1.DockPadding.All = 20 Me.Panel1.Location = New System.Drawing.Point(0, 0) Me.Panel1.Name = "Panel1" Me.Panel1.Size = New System.Drawing.Size(616, 320) Me.Panel1.TabIndex = 2 ' 'tbxOutput ' Me.tbxOutput.AccessibleDescription = _ "Displays output from application." Me.tbxOutput.AccessibleName = "Output textbox." Me.tbxOutput.Dock = System.Windows.Forms.DockStyle.Fill Me.tbxOutput.Location = New System.Drawing.Point(20, 20) Me.tbxOutput.Name = "tbxOutput" Me.tbxOutput.Size = New System.Drawing.Size(576, 280) Me.tbxOutput.TabIndex = 1 Me.tbxOutput.Text = "Click the Run button to run the application." ' 'Form1 ' Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15) Me.ClientSize = New System.Drawing.Size(616, 384) Me.Controls.Add(Me.Panel1) Me.Controls.Add(Me.Panel2) Me.Name = "Form1" Me.Text = "RSAPKCS1KeyExchangeFormatter" Me.Panel2.ResumeLayout(False) Me.Panel1.ResumeLayout(False) Me.ResumeLayout(False) End Sub #End Region End Class
using System; using System.Security.Cryptography; using System.Text; class RSAEncoder { // Use a member variable to hold the RSA key for encoding and decoding. private RSA rsaKey; [STAThread] static void Main(string[] args) { string message = "A phrase to be encoded."; RSAEncoder rsaEncoder = new RSAEncoder(); rsaEncoder.InitializeKey(RSA.Create()); Console.WriteLine("Encoding the following message:"); Console.WriteLine(message); byte[] encodedMessage = rsaEncoder.EncodeMessage(message); Console.WriteLine("Resulting message encoded:"); Console.WriteLine(Encoding.ASCII.GetString(encodedMessage)); string decodedMessage = rsaEncoder.DecodeMessage(encodedMessage); Console.WriteLine("Resulting message decoded:"); Console.WriteLine(decodedMessage); // Construct a formatter to demonstrate how to set each property. rsaEncoder.ConstructFormatter(); // Construct a deformatter to demonstrate how to set each property. rsaEncoder.ConstructDeformatter(); Console.WriteLine("This sample completed successfully; " + "press Enter to exit."); Console.ReadLine(); } // Initialize an rsaKey member variable with the specified RSA key. private void InitializeKey(RSA key) { rsaKey = key; } // Use the RSAPKCS1KeyExchangeDeformatter class to decode the // specified message. private byte[] EncodeMessage(string message) { byte[] encodedMessage = null; try { // Construct a formatter with the specified RSA key. RSAPKCS1KeyExchangeFormatter keyEncryptor = new RSAPKCS1KeyExchangeFormatter(rsaKey); // Convert the message to bytes to create the encrypted data. byte[] byteMessage = Encoding.ASCII.GetBytes(message); encodedMessage = keyEncryptor.CreateKeyExchange(byteMessage); } catch (Exception ex) { Console.WriteLine("Unexpected exception caught:" + ex.ToString()); } return encodedMessage; } // Use the RSAPKCS1KeyExchangeDeformatter class to decode the // specified message. private string DecodeMessage(byte[] encodedMessage) { string decodedMessage = null; try { // Construct a deformatter with the specified RSA key. RSAPKCS1KeyExchangeDeformatter keyDecryptor = new RSAPKCS1KeyExchangeDeformatter(rsaKey); // Decrypt the encoded message. byte[] decodedBytes = keyDecryptor.DecryptKeyExchange(encodedMessage); // Retrieve a string representation of the decoded message. decodedMessage = Encoding.ASCII.GetString(decodedBytes); } catch (Exception ex) { Console.WriteLine("Unexpected exception caught:" + ex.ToString()); } return decodedMessage; } // Create an RSAPKCS1KeyExchangeFormatter object with a new RSA key. // Display its properties to the console. private void ConstructFormatter() { // Construct an empty Optimal Asymmetric Encryption Padding (OAEP) // key exchange. RSAPKCS1KeyExchangeFormatter rsaFormatter = new RSAPKCS1KeyExchangeFormatter(); // Create an RSAKey and set it into the specified // RSAPKCS1KeyExchangeFormatter. RSA key = RSA.Create(); rsaFormatter.SetKey(key); // Create a random number using RNGCryptoServiceProvider. RNGCryptoServiceProvider ring = new RNGCryptoServiceProvider(); rsaFormatter.Rng = ring; Console.WriteLine(); Console.WriteLine("**" + rsaFormatter.ToString() + "**"); Console.Write("The following random number was generated using the "); Console.WriteLine("class:"); Console.WriteLine(rsaFormatter.Rng); string xmlParameters = rsaFormatter.Parameters; Console.WriteLine(); Console.WriteLine("The RSA formatter has the following parameters:"); Console.WriteLine(rsaFormatter.Parameters); } // Create an RSAPKCS1KeyExchangeDeformatter object with a new RSA key. // Display its properties to the console. private void ConstructDeformatter() { // Construct an empty OAEP key exchange. RSAPKCS1KeyExchangeDeformatter rsaDeformatter = new RSAPKCS1KeyExchangeDeformatter(); // Create an RSAKey and set it into the specified // RSAPKCS1KeyExchangeFormatter. RSA key = RSA.Create(); rsaDeformatter.SetKey(key); RNGCryptoServiceProvider ring = new RNGCryptoServiceProvider(); rsaDeformatter.RNG = ring; Console.WriteLine(); Console.WriteLine("**" + rsaDeformatter.ToString() + "**"); string xmlParameters = rsaDeformatter.Parameters; Console.WriteLine(); Console.WriteLine("The RSA deformatter has the following "); Console.WriteLine("parameters:" + xmlParameters); } }
using namespace System; using namespace System::Security::Cryptography; using namespace System::Text; ref class RSAEncoder { private: // Use a member variable to hold the RSA key for encoding and decoding. RSA^ rsaKey; public: [STAThread] static void Main() { String^ message = L"A phrase to be encoded."; RSAEncoder^ rsaEncoder = gcnew RSAEncoder; rsaEncoder->InitializeKey( RSA::Create() ); Console::WriteLine( L"Encoding the following message:" ); Console::WriteLine( message ); array<Byte>^encodedMessage = rsaEncoder->EncodeMessage( message ); Console::WriteLine( L"Resulting message encoded:" ); Console::WriteLine( Encoding::ASCII->GetString( encodedMessage ) ); String^ decodedMessage = rsaEncoder->DecodeMessage( encodedMessage ); Console::WriteLine( L"Resulting message decoded:" ); Console::WriteLine( decodedMessage ); // Construct a formatter to demonstrate how to set each property. rsaEncoder->ConstructFormatter(); // Construct a deformatter to demonstrate how to set each property. rsaEncoder->ConstructDeformatter(); Console::WriteLine( L"This sample completed successfully; " L"press Enter to exit." ); Console::ReadLine(); } private: // Initialize an rsaKey member variable with the specified RSA key. void InitializeKey( RSA^ key ) { rsaKey = key; } // Use the RSAPKCS1KeyExchangeDeformatter class to decode the // specified message. array<Byte>^ EncodeMessage( String^ message ) { array<Byte>^encodedMessage = nullptr; try { // Construct a formatter with the specified RSA key. RSAPKCS1KeyExchangeFormatter^ keyEncryptor = gcnew RSAPKCS1KeyExchangeFormatter( rsaKey ); // Convert the message to bytes to create the encrypted data. array<Byte>^byteMessage = Encoding::ASCII->GetBytes( message ); encodedMessage = keyEncryptor->CreateKeyExchange( byteMessage ); } catch ( Exception^ ex ) { Console::WriteLine( L"Unexpected exception caught:{0}", ex ); } return encodedMessage; } // Use the RSAPKCS1KeyExchangeDeformatter class to decode the // specified message. String^ DecodeMessage( array<Byte>^encodedMessage ) { String^ decodedMessage = nullptr; try { // Construct a deformatter with the specified RSA key. RSAPKCS1KeyExchangeDeformatter^ keyDecryptor = gcnew RSAPKCS1KeyExchangeDeformatter( rsaKey ); // Decrypt the encoded message. array<Byte>^decodedBytes = keyDecryptor->DecryptKeyExchange( encodedMessage ); // Retrieve a string representation of the decoded message. decodedMessage = Encoding::ASCII->GetString( decodedBytes ); } catch ( Exception^ ex ) { Console::WriteLine( L"Unexpected exception caught:{0}", ex ); } return decodedMessage; } // Create an RSAPKCS1KeyExchangeFormatter object with a new RSA key. // Display its properties to the console. void ConstructFormatter() { // Construct an empty Optimal Asymmetric Encryption Padding (OAEP) // key exchange. RSAPKCS1KeyExchangeFormatter^ rsaFormatter = gcnew RSAPKCS1KeyExchangeFormatter; // Create an RSAKey and set it into the specified // RSAPKCS1KeyExchangeFormatter. RSA^ key = RSA::Create(); rsaFormatter->SetKey( key ); // Create a random number using RNGCryptoServiceProvider. RNGCryptoServiceProvider^ ring = gcnew RNGCryptoServiceProvider; rsaFormatter->Rng = ring; Console::WriteLine(); Console::WriteLine( L"**{0}**", rsaFormatter ); Console::Write( L"The following random number was generated using the " ); Console::WriteLine( L"class:" ); Console::WriteLine( rsaFormatter->Rng ); String^ xmlParameters = rsaFormatter->Parameters; Console::WriteLine(); Console::WriteLine( L"The RSA formatter has the following parameters:" ); Console::WriteLine( rsaFormatter->Parameters ); } // Create an RSAPKCS1KeyExchangeDeformatter object with a new RSA key. // Display its properties to the console. void ConstructDeformatter() { // Construct an empty OAEP key exchange. RSAPKCS1KeyExchangeDeformatter^ rsaDeformatter = gcnew RSAPKCS1KeyExchangeDeformatter; // Create an RSAKey and set it into the specified // RSAPKCS1KeyExchangeFormatter. RSA^ key = RSA::Create(); rsaDeformatter->SetKey( key ); RNGCryptoServiceProvider^ ring = gcnew RNGCryptoServiceProvider; rsaDeformatter->RNG = ring; Console::WriteLine(); Console::WriteLine( L"**{0}**", rsaDeformatter ); String^ xmlParameters = rsaDeformatter->Parameters; Console::WriteLine(); Console::WriteLine( L"The RSA deformatter has the following " ); Console::WriteLine( L"parameters:{0}", xmlParameters ); } }; int main() { RSAEncoder::Main(); }
import System.*; import System.Security.Cryptography.*; import System.Text.*; class RSAEncoder { // Use a member variable to hold the RSA key for encoding and decoding. private RSA rsaKey; /** @attribute STAThread() */ public static void main(String[] args) { String message = "A phrase to be encoded."; RSAEncoder rsaEncoder = new RSAEncoder(); rsaEncoder.InitializeKey(RSA.Create()); Console.WriteLine("Encoding the following message:"); Console.WriteLine(message); ubyte encodedMessage[] = rsaEncoder.EncodeMessage(message); Console.WriteLine("Resulting message encoded:"); Console.WriteLine(Encoding.get_ASCII().GetString(encodedMessage)); String decodedMessage = rsaEncoder.DecodeMessage(encodedMessage); Console.WriteLine("Resulting message decoded:"); Console.WriteLine(decodedMessage); // Construct a formatter to demonstrate how to set each property. rsaEncoder.ConstructFormatter(); // Construct a deformatter to demonstrate how to set each property. rsaEncoder.ConstructDeformatter(); Console.WriteLine("This sample completed successfully; " + "press Enter to exit."); Console.ReadLine(); } //main // Initialize an rsaKey member variable with the specified RSA key. private void InitializeKey(RSA key) { rsaKey = key; } //InitializeKey // Use the RSAPKCS1KeyExchangeDeformatter class to decode the // specified message. private ubyte[] EncodeMessage(String message) { ubyte encodedMessage[] = null; try { // Construct a formatter with the specified RSA key. RSAPKCS1KeyExchangeFormatter keyEncryptor = new RSAPKCS1KeyExchangeFormatter(rsaKey); // Convert the message to bytes to create the encrypted data. ubyte byteMessage[] = Encoding.get_ASCII().GetBytes(message); encodedMessage = keyEncryptor.CreateKeyExchange(byteMessage); } catch (System.Exception ex) { Console.WriteLine("Unexpected exception caught:" + ex.ToString()); } return encodedMessage; } //EncodeMessage // Use the RSAPKCS1KeyExchangeDeformatter class to decode the // specified message. private String DecodeMessage(ubyte encodedMessage[]) { String decodedMessage = null; try { // Construct a deformatter with the specified RSA key. RSAPKCS1KeyExchangeDeformatter keyDecryptor = new RSAPKCS1KeyExchangeDeformatter(rsaKey); // Decrypt the encoded message. ubyte decodedBytes[] = keyDecryptor. DecryptKeyExchange(encodedMessage); // Retrieve a string representation of the decoded message. decodedMessage = Encoding.get_ASCII().GetString(decodedBytes); } catch (System.Exception ex) { Console.WriteLine("Unexpected exception caught:" + ex.ToString()); } return decodedMessage; } //DecodeMessage // Create an RSAPKCS1KeyExchangeFormatter object with a new RSA key. // Display its properties to the console. private void ConstructFormatter() { // Construct an empty Optimal Asymmetric Encryption Padding (OAEP) // key exchange. RSAPKCS1KeyExchangeFormatter rsaFormatter = new RSAPKCS1KeyExchangeFormatter(); // Create an RSAKey and set it into the specified // RSAPKCS1KeyExchangeFormatter. RSA key = RSA.Create(); rsaFormatter.SetKey(key); // Create a random number using RNGCryptoServiceProvider. RNGCryptoServiceProvider ring = new RNGCryptoServiceProvider(); rsaFormatter.set_Rng(ring); Console.WriteLine(); Console.WriteLine("**" + rsaFormatter.ToString() + "**"); Console.Write("The following random number was generated using the "); Console.WriteLine("class:"); Console.WriteLine(rsaFormatter.get_Rng()); String xmlParameters = rsaFormatter.get_Parameters(); Console.WriteLine(); Console.WriteLine("The RSA formatter has the following parameters:"); Console.WriteLine(rsaFormatter.get_Parameters()); } //ConstructFormatter // Create an RSAPKCS1KeyExchangeDeformatter object with a new RSA key. // Display its properties to the console. private void ConstructDeformatter() { // Construct an empty OAEP key exchange. RSAPKCS1KeyExchangeDeformatter rsaDeformatter = new RSAPKCS1KeyExchangeDeformatter(); // Create an RSAKey and set it into the specified // RSAPKCS1KeyExchangeFormatter. RSA key = RSA.Create(); rsaDeformatter.SetKey(key); RNGCryptoServiceProvider ring = new RNGCryptoServiceProvider(); rsaDeformatter.set_RNG(ring); Console.WriteLine(); Console.WriteLine("**" + rsaDeformatter.ToString() + "**"); String xmlParameters = rsaDeformatter.get_Parameters(); Console.WriteLine(); Console.WriteLine("The RSA deformatter has the following "); Console.WriteLine("parameters:" + xmlParameters); } //ConstructDeformatter } //RSAEncoder

System.Security.Cryptography.AsymmetricKeyExchangeFormatter
System.Security.Cryptography.RSAPKCS1KeyExchangeFormatter


Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。


RSAPKCS1KeyExchangeFormatter コンストラクタ ()
アセンブリ: mscorlib (mscorlib.dll 内)



RSAPKCS1KeyExchangeFormatter コンストラクタを使用して空の OAEP キー交換を作成する方法を次のコード例に示します。このコード例は、RSAPKCS1KeyExchangeFormatter クラスのトピックで取り上げているコード例の一部分です。
RSAPKCS1KeyExchangeFormatter^ rsaFormatter = gcnew RSAPKCS1KeyExchangeFormatter;

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。


RSAPKCS1KeyExchangeFormatter コンストラクタ (AsymmetricAlgorithm)
アセンブリ: mscorlib (mscorlib.dll 内)


RSA キーを指定して RSAPKCS1KeyExchangeFormatter を構築する方法を次のコード例に示します。このコード例は、RSAPKCS1KeyExchangeFormatter クラスのトピックで取り上げているコード例の一部分です。
RSAPKCS1KeyExchangeFormatter^ keyEncryptor = gcnew RSAPKCS1KeyExchangeFormatter( rsaKey );

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。


RSAPKCS1KeyExchangeFormatter コンストラクタ

名前 | 説明 |
---|---|
RSAPKCS1KeyExchangeFormatter () | RSAPKCS1KeyExchangeFormatter クラスの新しいインスタンスを初期化します。 |
RSAPKCS1KeyExchangeFormatter (AsymmetricAlgorithm) | 指定したキーを使用して、RSAPKCS1KeyExchangeFormatter クラスの新しいインスタンスを初期化します。 |

RSAPKCS1KeyExchangeFormatter プロパティ
RSAPKCS1KeyExchangeFormatter メソッド

名前 | 説明 | |
---|---|---|
![]() | CreateKeyExchange | オーバーロードされます。 オーバーライドされます。 暗号化されたキー交換データを作成します。 |
![]() | Equals | オーバーロードされます。 2 つの Object インスタンスが等しいかどうかを判断します。 ( Object から継承されます。) |
![]() | GetHashCode | 特定の型のハッシュ関数として機能します。GetHashCode は、ハッシュ アルゴリズムや、ハッシュ テーブルのようなデータ構造での使用に適しています。 ( Object から継承されます。) |
![]() | GetType | 現在のインスタンスの Type を取得します。 ( Object から継承されます。) |
![]() | ReferenceEquals | 指定した複数の Object インスタンスが同一かどうかを判断します。 ( Object から継承されます。) |
![]() | SetKey | オーバーライドされます。 キー交換データの暗号化に使用する公開キーを設定します。 |
![]() | ToString | 現在の Object を表す String を返します。 ( Object から継承されます。) |

名前 | 説明 | |
---|---|---|
![]() | Finalize | Object がガベージ コレクションにより収集される前に、その Object がリソースを解放し、その他のクリーンアップ操作を実行できるようにします。 ( Object から継承されます。) |
![]() | MemberwiseClone | 現在の Object の簡易コピーを作成します。 ( Object から継承されます。) |

RSAPKCS1KeyExchangeFormatter メンバ
RSA を使用して、PKCS#1 キー交換データを作成します。
RSAPKCS1KeyExchangeFormatter データ型で公開されるメンバを以下の表に示します。



名前 | 説明 | |
---|---|---|
![]() | CreateKeyExchange | オーバーロードされます。 オーバーライドされます。 暗号化されたキー交換データを作成します。 |
![]() | Equals | オーバーロードされます。 2 つの Object インスタンスが等しいかどうかを判断します。 (Object から継承されます。) |
![]() | GetHashCode | 特定の型のハッシュ関数として機能します。GetHashCode は、ハッシュ アルゴリズムや、ハッシュ テーブルのようなデータ構造での使用に適しています。 (Object から継承されます。) |
![]() | GetType | 現在のインスタンスの Type を取得します。 (Object から継承されます。) |
![]() | ReferenceEquals | 指定した複数の Object インスタンスが同一かどうかを判断します。 (Object から継承されます。) |
![]() | SetKey | オーバーライドされます。 キー交換データの暗号化に使用する公開キーを設定します。 |
![]() | ToString | 現在の Object を表す String を返します。 (Object から継承されます。) |

名前 | 説明 | |
---|---|---|
![]() | Finalize | Object がガベージ コレクションにより収集される前に、その Object がリソースを解放し、その他のクリーンアップ操作を実行できるようにします。 (Object から継承されます。) |
![]() | MemberwiseClone | 現在の Object の簡易コピーを作成します。 (Object から継承されます。) |

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