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