SignedXml.AddObject(DataObject) メソッド

public:
 void AddObject(System::Security::Cryptography::Xml::DataObject ^ dataObject);

public void AddObject(System.Security.Cryptography.Xml.DataObject dataObject);

member this.AddObject : System.Security.Cryptography.Xml.DataObject -> unit

Public Sub AddObject (dataObject As DataObject)

パラメーター

例

次のコード例では、 と XML 署名を計算します。

using System;
using System.IO;
using System.Security.Cryptography;
using System.Security.Cryptography.Xml;
using System.Xml;

public class XMLdsigsample1 
{

    static void Main(String[] args)
    {
        try
        {
            // Create example data to sign.
            XmlDocument document = new XmlDocument();
            XmlNode node = document.CreateNode(XmlNodeType.Element, "", "MyElement", "samples");
            node.InnerText = "This is some text";
            document.AppendChild(node);
            Console.WriteLine("Data to sign:\n" + document.OuterXml + "\n");
 
            // Create the SignedXml message.
            SignedXml signedXml = new SignedXml();
            RSA key = RSA.Create();
            signedXml.SigningKey = key;
 
            // Create a data object to hold the data to sign.
            DataObject dataObject = new DataObject();
            dataObject.Data = document.ChildNodes;
            dataObject.Id = "MyObjectId";

            // Add the data object to the signature.
            signedXml.AddObject(dataObject);
 
            // Create a reference to be able to package everything into the
            // message.
            Reference reference = new Reference();
            reference.Uri = "#MyObjectId";
 
            // Add the reference to the message.
            signedXml.AddReference(reference);

            // Add a KeyInfo.
            KeyInfo keyInfo = new KeyInfo();
            keyInfo.AddClause(new RSAKeyValue(key));
            signedXml.KeyInfo = keyInfo;

            // Compute the signature.
            signedXml.ComputeSignature();

            Console.WriteLine("The data was signed.");
        }
        catch(CryptographicException e)
        {
            Console.WriteLine(e.Message);
        }
    }
}

Imports System.IO
Imports System.Security.Cryptography
Imports System.Security.Cryptography.Xml
Imports System.Xml




Public Class XMLdsigsample1
   
   
   Overloads Shared Sub Main(args() As [String])
      Try
         ' Create example data to sign.
         Dim document As New XmlDocument()
         Dim node As XmlNode = document.CreateNode(XmlNodeType.Element, "", "MyElement", "samples")
         node.InnerText = "This is some text"
         document.AppendChild(node)
         Console.WriteLine(("Data to sign:" + ControlChars.Lf + document.OuterXml + ControlChars.Lf))
         
         ' Create the SignedXml message.
         Dim signedXml As New SignedXml()
         Dim key As RSA = RSA.Create()
         signedXml.SigningKey = key
         
         ' Create a data object to hold the data to sign.
         Dim dataObject As New DataObject()
         dataObject.Data = document.ChildNodes
         dataObject.Id = "MyObjectId"
         
         ' Add the data object to the signature.
         signedXml.AddObject(dataObject)
         
         ' Create a reference to be able to package everything into the
         ' message.
         Dim reference As New Reference()
         reference.Uri = "#MyObjectId"
         
         ' Add the reference to the message.
         signedXml.AddReference(reference)
         
         ' Add a KeyInfo.
         Dim keyInfo As New KeyInfo()
         keyInfo.AddClause(New RSAKeyValue(key))
         signedXml.KeyInfo = keyInfo
         
         ' Compute the signature.
         signedXml.ComputeSignature()
         
         Console.WriteLine("The data was signed.")
      Catch e As CryptographicException
         Console.WriteLine(e.Message)
      End Try
   End Sub 
End Class

注釈

メソッドは AddObject 、 <Object> XML デジタル署名の要素に署名するオブジェクトを <Signature> 表す要素を追加します。

メソッドはAddObject、 オブジェクトによってカプセル化されたオブジェクトのメソッドをSignature内部的にSignedXml呼び出AddObjectします。 プロパティから メソッドをDataObject直接呼び出して、オブジェクトをAddObjectSignature追加することもできます。

XML デジタル署名の詳細については、 XMLDSIG の仕様に関するページを参照してください。