CryptoConfig Klasa
Definicja
Ważne
Niektóre informacje odnoszą się do produktu w wersji wstępnej, który może zostać znacząco zmodyfikowany przed wydaniem. Firma Microsoft nie udziela żadnych gwarancji, jawnych lub domniemanych, w odniesieniu do informacji podanych w tym miejscu.
Uzyskuje dostęp do informacji o konfiguracji kryptografii.
public ref class CryptoConfig
[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public class CryptoConfig
public class CryptoConfig
[System.Runtime.InteropServices.ComVisible(true)]
public class CryptoConfig
[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
type CryptoConfig = class
type CryptoConfig = class
[<System.Runtime.InteropServices.ComVisible(true)>]
type CryptoConfig = class
Public Class CryptoConfig
- Dziedziczenie
-
CryptoConfig
- Atrybuty
Przykłady
W poniższym przykładzie kodu pokazano, jak używać składowych CryptoConfig klasy .
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.
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.
// This example uses the SHA1 algorithm.
// Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
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.
RSA rsa = (RSA)
CryptoConfig.CreateFromName("RSA",argsArray);
// Use the MapNameToOID method to get an object identifier
// (OID) from the string name of the SHA1 algorithm.
// This example uses the SHA1 algorithm.
// Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
string sha1Oid = CryptoConfig.MapNameToOID("SHA1");
// Encode the specified object identifier.
// This example uses the SHA1 algorithm.
// Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
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.
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.
' This example uses the SHA1 algorithm.
' Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
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 rsa As RSA = RSA.Create()
rsa = CType(cryptoConfig.CreateFromName( _
"RSA", argsArray), _
RSA)
' Use the MapNameToOID method to get an object identifier.
' (OID) from the string name of the SHA1 algorithm.
' This example uses the SHA1 algorithm.
' Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
Dim sha1Oid As String = cryptoConfig.MapNameToOID("SHA1")
' Encode the specified object identifier.
' This example uses the SHA1 algorithm.
' Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
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.
Uwagi
W poniższej tabeli przedstawiono proste nazwy rozpoznawane przez tę klasę i domyślne implementacje algorytmów, do których są mapowane. Alternatywnie można mapować inne implementacje na te nazwy, zgodnie z opisem w temacie Mapowanie nazw algorytmów na klasy kryptograficzne.
Prosta nazwa | Implementacja algorytmu |
---|---|
3DES, Triple DES, TripleDES, System.Security.Cryptography.TripleDES | TripleDESCryptoServiceProvider |
AES, System.Security.Cryptography.AesCryptoServiceProvider | AesCryptoServiceProvider |
AesManaged, System.Security.Cryptography.AesManaged | AesManaged |
System.Security.Cryptography.AsymmetricAlgorithm | RSACryptoServiceProvider |
DES, System.Security.Cryptography.DES | DESCryptoServiceProvider |
DSA, System.Security.Cryptography.DSA | DSACryptoServiceProvider |
ECDH, ECDiffieHellman, ECDiffieHellmanCng, System.Security.Cryptography.ECDiffieHellmanCng | ECDiffieHellmanCng |
ECDsa, ECDsaCng, System.Security.Cryptography.ECDsaCng | ECDsaCng |
System.Security.Cryptography.HashAlgorithm | SHA1CryptoServiceProvider |
HMAC, System.Security.Cryptography.HMAC | HMACSHA1 |
HMACMD5, System.Security.Cryptography.HMACMD5 | HMACMD5 |
HMACRIPEMD160, System.Security.Cryptography.HMACRIPEMD160 | HMACRIPEMD160 |
HMACSHA1, System.Security.Cryptography.HMACSHA1 | HMACSHA1 |
HMACSHA256, System.Security.Cryptography.HMACSHA256 | HMACSHA256 |
HMACSHA384, System.Security.Cryptography.HMACSHA384 | HMACSHA384 |
HMACSHA512, System.Security.Cryptography.HMACSHA512 | HMACSHA512 |
System.Security.Cryptography.KeyedHashAlgorithm | HMACSHA1 |
MACTripleDES, System.Security.Cryptography.MACTripleDES | MACTripleDES |
MD5, System.Security.Cryptography.MD5 | MD5CryptoServiceProvider |
System.Security.Cryptography.MD5Cng | MD5Cng |
Randomnumbergenerator | RNGCryptoServiceProvider |
RC2, System.Security.Cryptography.RC2 | RC2CryptoServiceProvider |
Rijndael, System.Security.Cryptography.Rijndael | RijndaelManaged |
RIPEMD160, RIPEMD-160, System.Security.Cryptography.RIPEMD160Managed | RIPEMD160Managed |
RSA, System.Security.Cryptography.RSA | RSACryptoServiceProvider |
SHA, SHA1, System.Security.Cryptography.SHA1 | SHA1CryptoServiceProvider |
System.Security.Cryptography.SHA1Cng | SHA1Cng |
SHA256, SHA-256, System.Security.Cryptography.SHA256 | SHA256Managed |
System.Security.Cryptography.SHA256Cng | SHA256Cng |
System.Security.Cryptography.SHA256CryptoServiceProvider | SHA256CryptoServiceProvider |
SHA384, SHA-384, System.Security.Cryptography.SHA384 | SHA384Managed |
System.Security.Cryptography.SHA384Cng | SHA384Cng |
System.Security.Cryptography.SHA384CryptoServiceProvider | SHA384CryptoServiceProvider |
SHA512, SHA-512, System.Security.Cryptography.SHA512 | SHA512Managed |
System.Security.Cryptography.SHA512Cng | SHA512Cng |
System.Security.Cryptography.SHA512CryptoServiceProvider | SHA512CryptoServiceProvider |
System.Security.Cryptography.SymmetricAlgorithm | RijndaelManaged |
Konstruktory
CryptoConfig() |
Inicjuje nowe wystąpienie klasy CryptoConfig. |
Właściwości
AllowOnlyFipsAlgorithms |
Wskazuje, czy środowisko uruchomieniowe powinno wymuszać zasady w celu utworzenia tylko algorytmów certyfikowanych standardu FIPS (Federal Information Processing Standard). |
Metody
AddAlgorithm(Type, String[]) |
Dodaje zestaw nazw do mapowań algorytmów, które mają być używane dla bieżącej domeny aplikacji. |
AddOID(String, String[]) |
Dodaje zestaw nazw do mapowań identyfikatora obiektu (OID), które mają być używane dla bieżącej domeny aplikacji. |
CreateFromName(String) |
Tworzy nowe wystąpienie określonego obiektu kryptograficznego. |
CreateFromName(String, Object[]) |
Tworzy nowe wystąpienie określonego obiektu kryptograficznego z określonymi argumentami. |
EncodeOID(String) |
Przestarzałe.
Koduje określony identyfikator obiektu (OID). |
Equals(Object) |
Określa, czy dany obiekt jest taki sam, jak bieżący obiekt. (Odziedziczone po Object) |
GetHashCode() |
Służy jako domyślna funkcja skrótu. (Odziedziczone po Object) |
GetType() |
Type Pobiera wartość bieżącego wystąpienia. (Odziedziczone po Object) |
MapNameToOID(String) |
Pobiera identyfikator obiektu (OID) algorytmu odpowiadającego określonej prostej nazwie. |
MemberwiseClone() |
Tworzy płytkią kopię bieżącego Objectelementu . (Odziedziczone po Object) |
ToString() |
Zwraca ciąg reprezentujący bieżący obiekt. (Odziedziczone po Object) |