CryptoConfig Класс

Ссылка

Определение

Пространство имен:: System.Security.Cryptography

Сборка:: System.Security.Cryptography.Algorithms.dll

Сборка:: System.Security.Cryptography.dll

Сборка:: mscorlib.dll

Сборка:: netstandard.dll

Исходный код:: CryptoConfig.cs

Исходный код:: CryptoConfig.cs

Исходный код:: CryptoConfig.cs

Важно!

Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.

Обращается к сведениям о криптографической конфигурации.

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

Наследование: Object
CryptoConfig

Атрибуты: UnsupportedOSPlatformAttribute ComVisibleAttribute

Примеры

В следующем примере кода показано, как использовать члены CryptoConfig класса .

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.

В следующей таблице показаны простые имена, распознаваемые этим классом, и реализации алгоритма по умолчанию, с которыми они сопоставляются. Кроме того, можно сопоставить другие реализации с этими именами, как описано в разделе Сопоставление имен алгоритмов с классами шифрования.

Простое имя	Реализация алгоритма
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

Конструкторы

CryptoConfig()

Инициализирует новый экземпляр класса CryptoConfig.

Свойства

AllowOnlyFipsAlgorithms

Указывает, следует ли среде выполнения использовать политику для создания только алгоритмов, удовлетворяющих стандартам FIPS.

Методы

AddAlgorithm(Type, String[])	Добавляет к сопоставлениям алгоритмов набор имен, который следует использовать для текущего домена приложения.
AddOID(String, String[])	Добавляет к сопоставлениям идентификатора объекта набор имен, который следует использовать для текущего домена приложения.
CreateFromName(String)	Создает новый экземпляр заданного криптографического объекта.
CreateFromName(String, Object[])	Создает новый экземпляр заданного криптографического объекта с заданными аргументами.
EncodeOID(String)	Устаревшие.. Кодирует заданный идентификатор объекта.
Equals(Object)	Определяет, равен ли указанный объект текущему объекту. (Унаследовано от Object)
GetHashCode()	Служит хэш-функцией по умолчанию. (Унаследовано от Object)
GetType()	Возвращает объект Type для текущего экземпляра. (Унаследовано от Object)
MapNameToOID(String)	Получает идентификатор объекта-алгоритма, соответствующего заданному простому имени.
MemberwiseClone()	Создает неполную копию текущего объекта Object. (Унаследовано от Object)
ToString()	Возвращает строку, представляющую текущий объект. (Унаследовано от Object)

Применяется к

См. также раздел

службы шифрования

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