CryptoConfig 类

  • 参考

定义

命名空间:
System.Security.Cryptography
程序集:
System.Security.Cryptography.Algorithms.dll
程序集:
System.Security.Cryptography.dll
程序集:
mscorlib.dll
程序集:
netstandard.dll
Source:
CryptoConfig.cs
Source:
CryptoConfig.cs
Source:
CryptoConfig.cs

访问加密配置信息。

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
继承
Object
CryptoConfig
属性
UnsupportedOSPlatformAttribute ComVisibleAttribute

示例

下面的代码示例演示如何使用 类的成员 CryptoConfig 。

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.

注解

下表显示了此类识别的简单名称以及它们映射到的默认算法实现。 或者，可以将其他实现映射到这些名称，如 将算法名称映射到加密类中所述。

简单名称 算法实现
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

构造函数

CryptoConfig()

初始化 CryptoConfig 类的新实例。

属性

AllowOnlyFipsAlgorithms

指示运行时是否应强制实施该策略，以便仅创建经美国联邦信息处理标准 (FIPS) 认证的算法。

方法

AddAlgorithm(Type, String[])

将一组名称添加到要用于当前应用程序域的算法映射。
AddOID(String, String[])

将一组名称添加到要用于当前应用程序域的对象标识符 (OID) 映射。
CreateFromName(String)

创建指定的加密对象的新实例。
CreateFromName(String, Object[])

用指定的参数创建指定的加密对象的新实例。
EncodeOID(String)
已过时.

对指定的对象标识符 (OID) 进行编码。
Equals(Object)

确定指定对象是否等于当前对象。

(继承自 Object)
GetHashCode()

作为默认哈希函数。

(继承自 Object)
GetType()

获取当前实例的 Type。

(继承自 Object)
MapNameToOID(String)

获取与指定的简单名称对应的算法的对象标识符 (OID)。
MemberwiseClone()

创建当前 Object 的浅表副本。

(继承自 Object)
ToString()

返回表示当前对象的字符串。

(继承自 Object)

适用于

另请参阅