//
// CipherReference.cs - CipherReference implementation for XML Encryption
// http://www.w3.org/2001/04/xmlenc#sec-CipherReference
//
// Author:
// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2004
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System.Xml;
namespace System.Security.Cryptography.Xml{
public sealed class CipherReference : EncryptedReference {
#region Constructors
public CipherReference ()
: base ()
{
}
public CipherReference (string uri)
: base (uri)
{
}
public CipherReference (string uri, TransformChain tc)
: base (uri, tc)
{
}
#endregion // Constructors
#region Methods
public override XmlElement GetXml ()
{
return GetXml (new XmlDocument ());
}
internal override XmlElement GetXml (XmlDocument document)
{
XmlElement xel = document.CreateElement (XmlEncryption.ElementNames.CipherReference, EncryptedXml.XmlEncNamespaceUrl);
xel.SetAttribute (XmlEncryption.AttributeNames.URI, Uri);
if (TransformChain != null && TransformChain.Count > 0) {
XmlElement xtr = document.CreateElement (XmlEncryption.ElementNames.Transforms, EncryptedXml.XmlEncNamespaceUrl);
foreach (Transform t in TransformChain)
xtr.AppendChild (document.ImportNode (t.GetXml (), true));
xel.AppendChild (xtr);
}
return xel;
}
public override void LoadXml (XmlElement value)
{
if (value == null)
throw new ArgumentNullException ("value");
if ((value.LocalName != XmlEncryption.ElementNames.CipherReference) || (value.NamespaceURI != EncryptedXml.XmlEncNamespaceUrl))
throw new CryptographicException ("Malformed CipherReference element.");
base.LoadXml (value);
}
#endregion // Methods
}
}
#endif
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