//
// XmlSignature.cs: Handles Xml Signature
//
// Author:
// Sebastien Pouliot (spouliot@motus.com)
// Atsushi Enomoto (atsushi@ximian.com)
// Tim Coleman (tim@timcoleman.com)
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) Tim Coleman, 2004
// (C) 2004 Novell Inc.
//
//
// 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;
using System.Collections;
using System.Xml;
namespace System.Security.Cryptography.Xml{
// following the design of WSE
internal class XmlSignature {
public class ElementNames {
public const string CanonicalizationMethod = "CanonicalizationMethod";
public const string DigestMethod = "DigestMethod";
public const string DigestValue = "DigestValue";
public const string DSAKeyValue = "DSAKeyValue";
#if NET_2_0
public const string EncryptedKey = "EncryptedKey";
#endif
public const string HMACOutputLength = "HMACOutputLength";
public const string KeyInfo = "KeyInfo";
public const string KeyName = "KeyName";
public const string KeyValue = "KeyValue";
public const string Manifest = "Manifest";
public const string Object = "Object";
public const string Reference = "Reference";
#if NET_1_0
// RetrievalMethod vs RetrievalElement -> BUG in MS Framework 1.0
public const string RetrievalMethod = "RetrievalElement";
#else
public const string RetrievalMethod = "RetrievalMethod";
#endif
public const string RSAKeyValue = "RSAKeyValue";
public const string Signature = "Signature";
public const string SignatureMethod = "SignatureMethod";
public const string SignatureValue = "SignatureValue";
public const string SignedInfo = "SignedInfo";
public const string Transform = "Transform";
public const string Transforms = "Transforms";
public const string X509Data = "X509Data";
public const string X509IssuerSerial = "X509IssuerSerial";
public const string X509IssuerName = "X509IssuerName";
public const string X509SerialNumber = "X509SerialNumber";
public const string X509SKI = "X509SKI";
public const string X509SubjectName = "X509SubjectName";
public const string X509Certificate = "X509Certificate";
public const string X509CRL = "X509CRL";
public ElementNames () {}
}
public class AttributeNames {
public const string Algorithm = "Algorithm";
public const string Encoding = "Encoding";
public const string Id = "Id";
public const string MimeType = "MimeType";
public const string Type = "Type";
public const string URI = "URI";
public AttributeNames () {}
}
public class AlgorithmNamespaces {
public const string XmlDsigBase64Transform = "http://www.w3.org/2000/09/xmldsig#base64";
public const string XmlDsigC14NTransform = "http://www.w3.org/TR/2001/REC-xml-c14n-20010315";
public const string XmlDsigC14NWithCommentsTransform = "http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments";
public const string XmlDsigEnvelopedSignatureTransform = "http://www.w3.org/2000/09/xmldsig#enveloped-signature";
public const string XmlDsigXPathTransform = "http://www.w3.org/TR/1999/REC-xpath-19991116";
public const string XmlDsigXsltTransform = "http://www.w3.org/TR/1999/REC-xslt-19991116";
#if NET_2_0
public const string XmlDsigExcC14NTransform = "http://www.w3.org/2001/10/xml-exc-c14n#";
public const string XmlDsigExcC14NWithCommentsTransform = "http://www.w3.org/2001/10/xml-exc-c14n#WithComments";
public const string XmlDecryptionTransform = "http://www.w3.org/2002/07/decrypt#XML";
public const string XmlLicenseTransform = "urn:mpeg:mpeg21:2003:01-REL-R-NS:licenseTransform";
#endif
}
public class Uri {
public const string Manifest = "http://www.w3.org/2000/09/xmldsig#Manifest";
}
public const string NamespaceURI = "http://www.w3.org/2000/09/xmldsig#";
public const string Prefix = "ds";
public XmlSignature ()
{
}
public static XmlElement GetChildElement (XmlElement xel, string element, string ns)
{
for (int i = 0; i < xel.ChildNodes.Count; i++) {
XmlNode n = xel.ChildNodes [i];
if (n.NodeType == XmlNodeType.Element && n.LocalName == element && n.NamespaceURI == ns)
return n as XmlElement;
}
return null;
}
public static string GetAttributeFromElement (XmlElement xel, string attribute, string element)
{
XmlElement el = GetChildElement (xel, element, XmlSignature.NamespaceURI);
return el != null ? el.GetAttribute (attribute) : null;
}
public static XmlElement [] GetChildElements (XmlElement xel, string element)
{
ArrayList al = new ArrayList ();
for (int i = 0; i < xel.ChildNodes.Count; i++) {
XmlNode n = xel.ChildNodes [i];
if (n.NodeType == XmlNodeType.Element && n.LocalName == element && n.NamespaceURI == XmlSignature.NamespaceURI)
al.Add (n);
}
return al.ToArray (typeof (XmlElement)) as XmlElement [];
}
}
}
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