XmlDsigBase64Transform 클래스
정의
중요
일부 정보는 릴리스되기 전에 상당 부분 수정될 수 있는 시험판 제품과 관련이 있습니다. Microsoft는 여기에 제공된 정보에 대해 어떠한 명시적이거나 묵시적인 보증도 하지 않습니다.
XMLDSIG 사양의 단원 6.6.2에 정의된 대로 Base64
디코딩 변환을 나타냅니다.
public ref class XmlDsigBase64Transform : System::Security::Cryptography::Xml::Transform
public class XmlDsigBase64Transform : System.Security.Cryptography.Xml.Transform
type XmlDsigBase64Transform = class
inherit Transform
Public Class XmlDsigBase64Transform
Inherits Transform
- 상속
예제
다음 코드 예제에서는 멤버를 사용 하는 방법에 설명 합니다 XmlDsigBase64Transform 클래스입니다.
#using <System.dll>
#using <System.Xml.dll>
#using <System.Security.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Security::Cryptography;
using namespace System::Security::Cryptography::Xml;
namespace CryptographyXmlDsigBase64Transform
{
ref class Example
{
public:
static void Produce()
{
// Encrypt an XML message
EncryptXML(LoadXMLDoc());
// Using XmlDsigBase64Transform resolving a Uri.
Uri^ baseUri = gcnew Uri("http://www.microsoft.com");
String^ relativeUri = "msdn";
Uri^ absoluteUri = ResolveUris(baseUri, relativeUri);
Console::WriteLine("This sample completed successfully; "
"press Enter to exit.");
Console::ReadLine();
}
private:
// Encrypt the text in the specified XmlDocument.
static void EncryptXML(XmlDocument^ xmlDoc)
{
XmlDsigBase64Transform^ xmlTransform =
gcnew XmlDsigBase64Transform;
// Ensure the transform is using the proper algorithm.
xmlTransform->Algorithm =
SignedXml::XmlDsigBase64TransformUrl;
// Retrieve the XML representation of the current
// transform.
XmlElement^ xmlInTransform = xmlTransform->GetXml();
Console::WriteLine("Xml representation of the "
"current transform: ");
Console::WriteLine(xmlInTransform->OuterXml);
// Retrieve the valid input types for the current
// transform.
array<Type^>^ validInTypes = xmlTransform->InputTypes;
// Verify the xmlTransform can accept the XMLDocument
// as an input type.
for each (Type^ validInType in validInTypes)
{
if (validInType == xmlDoc->GetType())
{
// Demonstrate loading the entire Xml Document.
xmlTransform->LoadInput(xmlDoc);
// This transform is created for demonstration
// purposes.
XmlDsigBase64Transform^ secondTransform =
gcnew XmlDsigBase64Transform;
String^ classDescription =
secondTransform->ToString();
// This call does not perform as expected.
// LoadInnerXml is overridden by the
// XmlDsigBase64Transform class, but is
// stubbed out.
secondTransform->LoadInnerXml(
xmlDoc->SelectNodes("//."));
break;
}
}
array<Type^>^ validOutTypes = xmlTransform->OutputTypes;
for each (Type^ validOutType in validOutTypes)
{
if (validOutType == Stream::typeid)
{
try
{
Type^ streamType = Stream::typeid;
CryptoStream^ outputStream =
(CryptoStream^)(xmlTransform->GetOutput(
streamType));
// Read the CryptoStream into a stream reader.
StreamReader^ streamReader =
gcnew StreamReader(outputStream);
// Read the stream into a string.
String^ outputMessage =
streamReader->ReadToEnd();
// Close the streams.
outputStream->Close();
streamReader->Close();
// Display to the console the Xml before and
// after encryption.
Console::WriteLine("Encoding the following "
"message: {0}", xmlDoc->InnerText);
Console::WriteLine("Message encoded: {0}",
outputMessage);
}
catch (CryptographicException^ ex)
{
Console::WriteLine("Cryptographic exception "
"caught: {0}", ex);
}
break;
}
else
{
Object^ outputObject = xmlTransform->GetOutput();
}
}
}
// Create an XML document with Element and Text nodes.
static XmlDocument^ LoadXMLDoc()
{
XmlDocument^ xmlDoc = gcnew XmlDocument;
XmlNode^ mainNode =
xmlDoc->CreateNode(XmlNodeType::Element,
"ContosoMessages", "http://www.contoso.com");
XmlNode^ textNode = xmlDoc->CreateTextNode("Some text "
"to encode.");
mainNode->AppendChild(textNode);
xmlDoc->AppendChild(mainNode);
Console::WriteLine("Created the following XML Document "
"for transformation: ");
Console::WriteLine(xmlDoc->InnerXml);
return xmlDoc;
}
// Resolve the specified base and relative Uri's.
static Uri^ ResolveUris(Uri^ baseUri, String^ relativeUri)
{
XmlUrlResolver^ xmlResolver = gcnew XmlUrlResolver;
xmlResolver->Credentials =
System::Net::CredentialCache::DefaultCredentials;
XmlDsigBase64Transform^ xmlTransform =
gcnew XmlDsigBase64Transform;
xmlTransform->Resolver = xmlResolver;
Uri^ absoluteUri = xmlResolver->ResolveUri(baseUri,
relativeUri);
if (absoluteUri != nullptr)
{
Console::WriteLine("Resolved the base Uri and "
"relative Uri to the following:");
Console::WriteLine(absoluteUri);
}
else
{
Console::WriteLine("Unable to resolve the base "
"Uri and relative Uri");
}
return absoluteUri;
}
};
}
int main()
{
CryptographyXmlDsigBase64Transform::Example::Produce();
}
//
// This sample produces the following output:
//
// Created the following XML Document for transformation:
// <ContosoMessages xmlns="http://www.contoso.com">Some text to encode.
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#base64"
// xmlns="http://www.w3.org/2000/09/xmldsig#" />
// Encoding the following message: Some text to encode.
// Message encoded: Jmr^
// Resolved the base Uri and relative Uri to the following:
// http://www.microsoft.com/msdn
// This sample completed successfully; press Enter to exit.
using System;
using System.IO;
using System.Xml;
using System.Security.Cryptography;
using System.Security.Cryptography.Xml;
class Class1
{
[STAThread]
static void Main(string[] args)
{
// Encrypt an XML message
EncryptXML(LoadXMLDoc());
// Using XmlDsigBase64Transform resolving a Uri.
Uri baseUri = new Uri("http://www.microsoft.com");
string relativeUri = "msdn";
Uri absoluteUri = ResolveUris(baseUri, relativeUri);
Console.WriteLine("This sample completed successfully; " +
"press Enter to exit.");
Console.ReadLine();
}
// Encrypt the text in the specified XmlDocument.
private static void EncryptXML(XmlDocument xmlDoc)
{
XmlDsigBase64Transform xmlTransform = new XmlDsigBase64Transform();
// Ensure the transform is using the proper algorithm.
xmlTransform.Algorithm = SignedXml.XmlDsigBase64TransformUrl;
// Retrieve the XML representation of the current transform.
XmlElement xmlInTransform = xmlTransform.GetXml();
Console.WriteLine("Xml representation of the current transform: ");
Console.WriteLine(xmlInTransform.OuterXml);
// Retrieve the valid input types for the current transform.
Type[] validInTypes = xmlTransform.InputTypes;
// Verify the xmlTransform can accept the XMLDocument as an
// input type.
for (int i=0; i<validInTypes.Length; i++)
{
if (validInTypes[i] == xmlDoc.GetType())
{
// Demonstrate loading the entire Xml Document.
xmlTransform.LoadInput(xmlDoc);
// This transform is created for demonstration purposes.
XmlDsigBase64Transform secondTransform =
new XmlDsigBase64Transform();
string classDescription = secondTransform.ToString();
// This call does not perform as expected.
// LoadInnerXml is overridden by the XmlDsigBase64Transform
// class, but is stubbed out.
secondTransform.LoadInnerXml(xmlDoc.SelectNodes("//."));
break;
}
}
Type[] validOutTypes = xmlTransform.OutputTypes;
for (int i=0; i<validOutTypes.Length; i++)
{
if (validOutTypes[i] == typeof(System.IO.Stream))
{
try
{
Type streamType = typeof(System.IO.Stream);
CryptoStream outputStream = (CryptoStream)
xmlTransform.GetOutput(streamType);
// Read the CryptoStream into a stream reader.
StreamReader streamReader =
new StreamReader(outputStream);
// Read the stream into a string.
string outputMessage = streamReader.ReadToEnd();
// Close the streams.
outputStream.Close();
streamReader.Close();
// Display to the console the Xml before and after
// encryption.
Console.WriteLine("Encoding the following message: " +
xmlDoc.InnerText);
Console.WriteLine("Message encoded: " + outputMessage);
}
catch (Exception ex)
{
Console.WriteLine("Unexpected exception caught: " +
ex.ToString());
}
break;
}
else
{
object outputObject = xmlTransform.GetOutput();
}
}
}
// Create an XML document with Element and Text nodes.
private static XmlDocument LoadXMLDoc()
{
XmlDocument xmlDoc = new XmlDocument();
XmlNode mainNode = xmlDoc.CreateNode(
XmlNodeType.Element,
"ContosoMessages",
"http://www.contoso.com");
XmlNode textNode = xmlDoc.CreateTextNode("Some text to encode.");
mainNode.AppendChild(textNode);
xmlDoc.AppendChild(mainNode);
Console.WriteLine("Created the following XML Document for " +
"transformation: ");
Console.WriteLine(xmlDoc.InnerXml);
return xmlDoc;
}
// Resolve the specified base and relative Uri's .
private static Uri ResolveUris(Uri baseUri, string relativeUri)
{
XmlUrlResolver xmlResolver = new XmlUrlResolver();
xmlResolver.Credentials =
System.Net.CredentialCache.DefaultCredentials;
XmlDsigBase64Transform xmlTransform = new XmlDsigBase64Transform();
xmlTransform.Resolver = xmlResolver;
Uri absoluteUri = xmlResolver.ResolveUri(baseUri, relativeUri);
if (absoluteUri != null)
{
Console.WriteLine(
"Resolved the base Uri and relative Uri to the following:");
Console.WriteLine(absoluteUri.ToString());
}
else
{
Console.WriteLine(
"Unable to resolve the base Uri and relative Uri");
}
return absoluteUri;
}
}
//
// This sample produces the following output:
//
// Created the following XML Document for transformation:
// <ContosoMessages xmlns="http://www.contoso.com">Some text to encode.
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#base64" xmlns=
// "http://www.w3.org/2000/09/xmldsig#" />
// Encoding the following message: Some text to encode.
// Message encoded: Jmr^
// Resolved the base Uri and relative Uri to the following:
// http://www.microsoft.com/msdn
// This sample completed successfully; press Enter to exit.
Imports System.IO
Imports System.Xml
Imports System.Security.Cryptography
Imports System.Security.Cryptography.Xml
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 = ""
' Encrypt an XML message
EncryptXML(LoadXMLDoc())
' Using XmlDsigBase64Transform resolving a Uri.
Dim baseUri As New Uri("http://www.microsoft.com")
Dim relativeUri As String = "msdn"
Dim absoluteUri As Uri = ResolveUris(baseUri, relativeUri)
' Reset the cursor and conclude application.
WriteLine(vbCrLf + "This sample completed successfully;" + _
" press Exit to continue.")
tbxOutput.Cursor = Cursors.Default
End Sub
' Encrypt the text in the specified XmlDocument.
Private Sub EncryptXML(ByVal xmlDoc As XmlDocument)
Dim xmlTransform As New XmlDsigBase64Transform
' Ensure the transform is using the proper algorithm.
xmlTransform.Algorithm = SignedXml.XmlDsigBase64TransformUrl
' Retrieve the XML representation of the current transform.
Dim xmlInTransform As XmlElement = xmlTransform.GetXml()
WriteLine("Xml representation of the current transform: ")
WriteLine(xmlInTransform.OuterXml)
' Retrieve the valid input types for the current transform.
Dim validInTypes() As Type = xmlTransform.InputTypes
' Verify the xmlTransform can accept the XMLDocument as an
' input type.
For i As Int16 = 0 To validInTypes.Length Step 1
If (validInTypes(i).Equals(xmlDoc.GetType())) Then
' Demonstrate loading the entire Xml Document.
xmlTransform.LoadInput(xmlDoc)
' This transform is created for demonstration purposes.
Dim secondTransform As New XmlDsigBase64Transform
Dim classDescription As String = secondTransform.ToString()
' This call does not perform as expected.
' LoadInnerXml is overridden by the XmlDsigBase64Transform
' class, but is stubbed out.
secondTransform.LoadInnerXml(xmlDoc.SelectNodes("//."))
Exit For
End If
Next
Dim validOutTypes() As Type = xmlTransform.OutputTypes
For i As Int16 = 0 To validOutTypes.Length Step 1
If (validOutTypes(i).equals(GetType(System.IO.Stream))) Then
Try
Dim streamType As Type = GetType(System.IO.Stream)
Dim outputStream As CryptoStream
outputStream = CType( _
xmlTransform.GetOutput(streamType), _
CryptoStream)
' Read the CryptoStream into a stream reader.
Dim streamReader As New StreamReader(outputStream)
' Read the stream into a string.
Dim outputMessage As String = streamReader.ReadToEnd()
' Close the streams.
outputStream.Close()
streamReader.Close()
' Display to the console the Xml before and after
' encryption.
WriteLine("Encoding the following message: " + _
xmlDoc.InnerText)
WriteLine("Message encoded: " + outputMessage)
Catch ex As Exception
WriteLine("Unexpected exception caught: " + _
ex.ToString())
End Try
' Stop cycling through types, exit operation.
Exit For
Else
Dim outputObject As Object = xmlTransform.GetOutput()
End If
Next
End Sub
' Create an XML document with Element and Text nodes.
Private Function LoadXMLDoc() As XmlDocument
Dim xmlDoc As New XmlDocument
Dim mainNode As XmlNode = xmlDoc.CreateNode( _
XmlNodeType.Element, _
"ContosoMessages", _
"http://www.contoso.com")
Dim textNode As XmlNode
textNode = xmlDoc.CreateTextNode("Some text to encode.")
mainNode.AppendChild(textNode)
xmlDoc.AppendChild(mainNode)
WriteLine("Created the following XML Document for " + _
"transformation: ")
WriteLine(xmlDoc.InnerXml)
Return xmlDoc
End Function
' Resolve the specified base and relative Uri's .
Private Function ResolveUris( _
ByVal baseUri As Uri, _
ByVal relativeUri As String) As Uri
Dim xmlResolver As New XmlUrlResolver
xmlResolver.Credentials = _
System.Net.CredentialCache.DefaultCredentials
Dim xmlTransform As New XmlDsigBase64Transform
xmlTransform.Resolver = xmlResolver
Dim absoluteUri As Uri = _
xmlResolver.ResolveUri(baseUri, relativeUri)
If Not absoluteUri Is Nothing Then
WriteLine( _
"Resolved the base Uri and relative Uri to the following:")
WriteLine(absoluteUri.ToString())
Else
WriteLine("Unable to resolve the base Uri and relative Uri")
End If
Return absoluteUri
End Function
' Write message and carriage return to the 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 = "XmlDsigBase64Transform"
Me.Panel2.ResumeLayout(False)
Me.Panel1.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
#End Region
End Class
'
' This sample produces the following output:
'
' Created the following XML Document for transformation:
' <ContosoMessages xmlns="http://www.contoso.com">Some text to encode.
' Xml representation of the current transform:
' <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#base64" xmlns=
' "http://www.w3.org/2000/09/xmldsig#" />
' Encoding the following message: Some text to encode.
' Message encoded: Jmr^
' Resolved the base Uri and relative Uri to the following:
' http://www.microsoft.com/msdn
'
' This sample completed successfully; press Exit to continue.
설명
요소의 XmlDsigBase64Transform 인코딩된 콘텐츠와 연결된 원시 데이터에 서명해야 하는 경우 개체를 사용합니다.
개체를 설명하는 XmlDsigBase64Transform URI(Uniform Resource Identifier)는 필드에 의해 XmlDsigBase64TransformUrl 정의됩니다.
디코딩 변환에 Base64
대한 자세한 내용은 W3C XMLDSIG 사양의 섹션 6.6.2를 참조하세요.
생성자
XmlDsigBase64Transform() |
XmlDsigBase64Transform 클래스의 새 인스턴스를 초기화합니다. |
속성
Algorithm |
현재 변환에서 수행되는 알고리즘을 식별하는 URI(Uniform Resource Identifier)를 가져오거나 설정합니다. (다음에서 상속됨 Transform) |
Context |
현재 XmlElement 개체가 실행되고 있는 문서 컨텍스트를 나타내는 Transform 개체를 가져오거나 설정합니다. (다음에서 상속됨 Transform) |
InputTypes |
현재 LoadInput(Object) 개체의 XmlDsigBase64Transform 메서드에 유효한 입력 형식의 배열을 가져옵니다. |
OutputTypes |
현재 GetOutput() 개체의 XmlDsigBase64Transform 메서드에서 가능한 출력 형식의 배열을 가져옵니다. |
PropagatedNamespaces |
서명으로 전파되는 네임스페이스가 포함된 Hashtable 개체를 가져오거나 설정합니다. (다음에서 상속됨 Transform) |
Resolver |
현재의 XmlResolver 개체를 설정합니다. (다음에서 상속됨 Transform) |
메서드
Equals(Object) |
지정된 개체가 현재 개체와 같은지 확인합니다. (다음에서 상속됨 Object) |
GetDigestedOutput(HashAlgorithm) |
파생 클래스에서 재정의된 경우 Transform 개체와 관련된 다이제스트를 반환합니다. (다음에서 상속됨 Transform) |
GetHashCode() |
기본 해시 함수로 작동합니다. (다음에서 상속됨 Object) |
GetInnerXml() |
XMLDSIG |
GetOutput() |
현재 XmlDsigBase64Transform 개체의 출력을 반환합니다. |
GetOutput(Type) |
XmlDsigBase64Transform 형식의 현재 Stream 개체의 출력을 반환합니다. |
GetType() |
현재 인스턴스의 Type을 가져옵니다. (다음에서 상속됨 Object) |
GetXml() |
현재 Transform 개체의 XML 표현을 반환합니다. (다음에서 상속됨 Transform) |
LoadInnerXml(XmlNodeList) |
지정된 XmlNodeList 개체를 |
LoadInput(Object) |
지정된 입력을 현재 XmlDsigBase64Transform 개체로 로드합니다. |
MemberwiseClone() |
현재 Object의 단순 복사본을 만듭니다. (다음에서 상속됨 Object) |
ToString() |
현재 개체를 나타내는 문자열을 반환합니다. (다음에서 상속됨 Object) |
적용 대상
.NET