78 lines
2.3 KiB
C#
78 lines
2.3 KiB
C#
//
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// DSAKeyValue.cs - DSA KeyValue implementation for XML Signature
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//
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// Author:
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// Sebastien Pouliot (spouliot@motus.com)
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//
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// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
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//
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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.Security.Cryptography;
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using System.Text;
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using System.Xml;
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namespace System.Security.Cryptography.Xml {
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public class DSAKeyValue : KeyInfoClause {
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private DSA dsa;
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public DSAKeyValue ()
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{
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dsa = (DSA)DSA.Create ();
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}
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public DSAKeyValue (DSA key)
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{
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dsa = key;
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}
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public DSA Key
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{
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get { return dsa; }
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set { dsa = value; }
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}
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public override XmlElement GetXml ()
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{
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XmlDocument document = new XmlDocument ();
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XmlElement xel = document.CreateElement (XmlSignature.ElementNames.KeyValue, XmlSignature.NamespaceURI);
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xel.SetAttribute ("xmlns", XmlSignature.NamespaceURI);
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xel.InnerXml = dsa.ToXmlString (false);
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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 ();
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if ((value.LocalName != XmlSignature.ElementNames.KeyValue) || (value.NamespaceURI != XmlSignature.NamespaceURI))
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throw new CryptographicException ("value");
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dsa.FromXmlString (value.InnerXml);
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}
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}
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}
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