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