CryptoConfig-Klasse
Greift auf Informationen über die Kryptografiekonfiguration zu.
Namespace: System.Security.Cryptography
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<ComVisibleAttribute(True)> _
Public Class CryptoConfig
'Usage
Dim instance As CryptoConfig
[ComVisibleAttribute(true)]
public class CryptoConfig
[ComVisibleAttribute(true)]
public ref class CryptoConfig
/** @attribute ComVisibleAttribute(true) */
public class CryptoConfig
ComVisibleAttribute(true)
public class CryptoConfig
Hinweise
In der folgenden Tabelle sind die einfachen Namen, die von dieser Klasse erkannt werden, und die Algorithmusimplementierungen, denen sie zugeordnet sind, aufgeführt.
Einfacher Name |
Algorithmusimplementierung |
---|---|
SHA |
|
SHA1 |
SHA1CryptoServiceProvider |
System.Security.Cryptography.SHA1 |
SHA1CryptoServiceProvider |
System.Security.Cryptography.HashAlgorithm |
SHA1CryptoServiceProvider |
MD5 |
|
System.Security.Cryptography.MD5 |
MD5CryptoServiceProvider |
SHA256 |
|
SHA-256 |
SHA256Managed |
System.Security.Cryptography.SHA256 |
SHA256Managed |
SHA384 |
|
SHA-384 |
SHA384Managed |
System.Security.Cryptography.SHA384 |
SHA384Managed |
SHA512 |
|
SHA-512 |
SHA512Managed |
System.Security.Cryptography.SHA512 |
SHA512Managed |
RSA |
|
System.Security.Cryptography.RSA |
RSACryptoServiceProvider |
System.Security.Cryptography.AsymmetricAlgorithm |
RSACryptoServiceProvider |
DSA |
|
System.Security.Cryptography.DSA |
DSACryptoServiceProvider |
DES |
|
System.Security.Cryptography.DES |
DESCryptoServiceProvider |
3DES |
|
TripleDES |
TripleDESCryptoServiceProvider |
Triple DES |
TripleDESCryptoServiceProvider |
System.Security.Cryptography.TripleDES |
TripleDESCryptoServiceProvider |
System.Security.Cryptography.SymmetricAlgorithm |
TripleDESCryptoServiceProvider |
RC2 |
|
System.Security.Cryptography.RC2 |
RC2CryptoServiceProvider |
Rijndael |
|
System.Security.Cryptography.Rijndael |
RijndaelManaged |
Beispiel
Im folgenden Codebeispiel wird die Verwendung von Membern der CryptoConfig-Klasse veranschaulicht.
Imports System
Imports System.Security.Cryptography
Public Class Form1
Inherits System.Windows.Forms.Form
' 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 = ""
' Create a CryptoConfig object to store configuration information.
Dim cryptoConfig As New CryptoConfig
' Retrieve the class path for CryptoConfig.
Dim classDescription As String = cryptoConfig.ToString()
' Create a new SHA1 provider.
Dim SHA1alg As SHA1CryptoServiceProvider
SHA1alg = CType( _
cryptoConfig.CreateFromName("SHA1"), SHA1CryptoServiceProvider)
' Create an RSAParameters with the TestContainer key container.
Dim parameters As New CspParameters
parameters.KeyContainerName = "TestContainer"
Dim argsArray() = New Object() {parameters}
' Instantiate the RSA provider instance accessing the key container
' TestContainer.
Dim rsaProvider As New RSACryptoServiceProvider
rsaProvider = CType(cryptoConfig.CreateFromName( _
"RSA", argsArray), _
RSACryptoServiceProvider)
' Use the MapNameToOID method to get an object identifier.
' (OID) from the string name of the SHA1 algorithm.
Dim sha1Oid As String = cryptoConfig.MapNameToOID("SHA1")
' Encode the specified object identifier.
Dim encodedMessage() As Byte = cryptoConfig.EncodeOID(sha1Oid)
' Display the results to the console.
tbxOutput.AppendText("** " + classDescription + " **" + vbCrLf)
tbxOutput.AppendText("Created an RSA provider with a ")
tbxOutput.AppendText("KeyContainerName called ")
tbxOutput.AppendText(parameters.KeyContainerName + "." + vbCrLf)
tbxOutput.AppendText("Object identifier from the SHA1 name:")
tbxOutput.AppendText(sha1Oid + vbCrLf)
tbxOutput.AppendText("The object identifier encoded: ")
tbxOutput.AppendText( _
System.Text.Encoding.ASCII.GetString(encodedMessage))
' Reset the cursor and conclude application.
tbxOutput.AppendText(vbCrLf + "This sample completed " + _
"successfully; press Exit to continue.")
tbxOutput.Cursor = Cursors.Default
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 = "CryptoConfig"
Me.Panel2.ResumeLayout(False)
Me.Panel1.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
#End Region
End Class
'
' This sample produces the following output:
'
' ** System.Security.Cryptography.CryptoConfig **
' Created an RSA provider with a KeyContainerName called TestContainer.
' Object identifier from the SHA1 name:1.3.14.3.2.26
' The object identifier encoded: 6767gG&*(*
' This sample completed successfully; press Exit to continue.
using System;
using System.Security.Cryptography;
class Members
{
static void Main(string[] args)
{
// Create a CryptoConfig object to store configuration information.
CryptoConfig cryptoConfig = new CryptoConfig();
// Retrieve the class path for CryptoConfig.
string classDescription = cryptoConfig.ToString();
// Create a new SHA1 provider.
SHA1CryptoServiceProvider SHA1alg =
(SHA1CryptoServiceProvider)CryptoConfig.CreateFromName("SHA1");
// Create an RSAParameters with the TestContainer key container.
CspParameters parameters = new CspParameters();
parameters.KeyContainerName = "TestContainer";
Object[] argsArray = new Object[] {parameters};
// Instantiate the RSA provider instance accessing the TestContainer
// key container.
RSACryptoServiceProvider rsaProvider = (RSACryptoServiceProvider)
CryptoConfig.CreateFromName("RSA",argsArray);
// Use the MapNameToOID method to get an object identifier
// (OID) from the string name of the SHA1 algorithm.
string sha1Oid = CryptoConfig.MapNameToOID("SHA1");
// Encode the specified object identifier.
byte[] encodedMessage = CryptoConfig.EncodeOID(sha1Oid);
// Display the results to the console.
Console.WriteLine("** " + classDescription + " **");
Console.WriteLine("Created an RSA provider " +
"with a KeyContainerName called " + parameters.KeyContainerName +
".");
Console.WriteLine("Object identifier from the SHA1 name:" + sha1Oid);
Console.WriteLine("The object identifier encoded: " +
System.Text.Encoding.ASCII.GetString(encodedMessage));
Console.WriteLine("This sample completed successfully; " +
"press Enter to exit.");
Console.ReadLine();
}
}
//
// This sample produces the following output:
//
// ** System.Security.Cryptography.CryptoConfig **
// Created an RSA provider with a KeyContainerName called TestContainer.
// Object identifier from the SHA1 name:1.3.14.3.2.26
// The object identifier encoded: HH*((*H9
// This sample completed successfully; press Enter to exit.
using namespace System;
using namespace System::Security::Cryptography;
int main()
{
// Create a CryptoConfig object to store configuration information.
CryptoConfig^ cryptoConfig = gcnew CryptoConfig;
// Retrieve the class path for CryptoConfig.
String^ classDescription = cryptoConfig->ToString();
// Create a new SHA1 provider.
SHA1CryptoServiceProvider^ SHA1alg =
dynamic_cast<SHA1CryptoServiceProvider^>(
CryptoConfig::CreateFromName( L"SHA1" ));
// Create an RSAParameters with the TestContainer key container.
CspParameters^ parameters = gcnew CspParameters;
parameters->KeyContainerName = L"TestContainer";
array<Object^>^argsArray = gcnew array<Object^>(1){
parameters
};
// Instantiate the RSA provider instance accessing the TestContainer
// key container.
RSACryptoServiceProvider^ rsaProvider =
static_cast<RSACryptoServiceProvider^>(
CryptoConfig::CreateFromName( L"RSA", argsArray ));
// Use the MapNameToOID method to get an object identifier
// (OID) from the string name of the SHA1 algorithm.
String^ sha1Oid = CryptoConfig::MapNameToOID( L"SHA1" );
// Encode the specified object identifier.
array<Byte>^encodedMessage = CryptoConfig::EncodeOID( sha1Oid );
// Display the results to the console.
Console::WriteLine( L"** {0} **", classDescription );
Console::WriteLine( L"Created an RSA provider with a KeyContainerName called {0}.",
parameters->KeyContainerName );
Console::WriteLine( L"Object identifier from the SHA1 name:{0}",
sha1Oid );
Console::WriteLine( L"The object identifier encoded: {0}",
System::Text::Encoding::ASCII->GetString( encodedMessage ) );
Console::WriteLine( L"This sample completed successfully; press Enter to exit." );
Console::ReadLine();
}
//
// This sample produces the following output:
//
// ** System.Security.Cryptography.CryptoConfig **
// Created an RSA provider with a KeyContainerName called TestContainer.
// Object identifier from the SHA1 name:1.3.14.3.2.26
// The object identifier encoded: HH*((*H9
// This sample completed successfully; press Enter to exit.
import System.*;
import System.Security.Cryptography.*;
class Members
{
public static void main(String[] args)
{
// Create a CryptoConfig object to store configuration information.
CryptoConfig cryptoConfig = new CryptoConfig();
// Retrieve the class path for CryptoConfig.
String classDescription = cryptoConfig.ToString();
// Create a new SHA1 provider.
SHA1CryptoServiceProvider sha1Alg = (SHA1CryptoServiceProvider)
CryptoConfig.CreateFromName("SHA1");
// Create an RSAParameters with the TestContainer key container.
CspParameters parameters = new CspParameters();
parameters.KeyContainerName = "TestContainer";
Object argsArray[] = new Object[] { parameters };
// Instantiate the RSA provider instance accessing the TestContainer
// key container.
RSACryptoServiceProvider rsaProvider = (RSACryptoServiceProvider)
CryptoConfig.CreateFromName("RSA", argsArray);
// Use the MapNameToOID method to get an object identifier
// (OID) from the string name of the SHA1 algorithm.
String sha1Oid = CryptoConfig.MapNameToOID("SHA1");
// Encode the specified object identifier.
ubyte encodedMessage[] = CryptoConfig.EncodeOID(sha1Oid);
// Display the results to the console.
Console.WriteLine("** " + classDescription + " **");
Console.WriteLine("Created an RSA provider "
+ "with a KeyContainerName called "
+ parameters.KeyContainerName + ".");
Console.WriteLine("Object identifier from the SHA1 name:" + sha1Oid);
Console.WriteLine("The object identifier encoded: "
+ System.Text.Encoding.get_ASCII().GetString(encodedMessage));
Console.WriteLine("This sample completed successfully; "
+ "press Enter to exit.");
Console.ReadLine();
} //main
} //Members
//
// This sample produces the following output:
//
// ** System.Security.Cryptography.CryptoConfig **
// Created an RSA provider with a KeyContainerName called TestContainer.
// Object identifier from the SHA1 name:1.3.14.3.2.26
// The object identifier encoded: HH*((*H9
// This sample completed successfully; press Enter to exit.
Vererbungshierarchie
System.Object
System.Security.Cryptography.CryptoConfig
Threadsicherheit
Alle öffentlichen statischen (Shared in Visual Basic) Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Plattformen
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile für Pocket PC, Windows Mobile für Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
.NET Compact Framework
Unterstützt in: 2.0
Siehe auch
Referenz
CryptoConfig-Member
System.Security.Cryptography-Namespace