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Add migrated to .NET 8.0 variant of Hcs.Client

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2025-09-26 19:48:32 +09:00
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Hcs.ClientNet/Microsoft/Xades/SignaturePolicyId.cs Normal file
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// SignaturePolicyId.cs
//
// XAdES Starter Kit for Microsoft .NET 3.5 (and above)
// 2010 Microsoft France
// Published under the CECILL-B Free Software license agreement.
// (http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
// WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
// THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE
// AND INFORMATION REMAINS WITH THE USER.
using System;
using System.Security.Cryptography;
using System.Security.Cryptography.Xml;
using System.Xml;
namespace Microsoft.Xades
{
/// <summary>
/// The SignaturePolicyId element is an explicit and unambiguous identifier
/// of a Signature Policy together with a hash value of the signature
/// policy, so it can be verified that the policy selected by the signer is
/// the one being used by the verifier. An explicit signature policy has a
/// globally unique reference, which, in this way, is bound to an
/// electronic signature by the signer as part of the signature
/// calculation.
/// </summary>
public class SignaturePolicyId
{
#region Private variables
private ObjectIdentifier sigPolicyId;
private Transforms transforms;
private DigestAlgAndValueType sigPolicyHash;
private SigPolicyQualifiers sigPolicyQualifiers;
#endregion
#region Public properties
/// <summary>
/// The SigPolicyId element contains an identifier that uniquely
/// identifies a specific version of the signature policy
/// </summary>
public ObjectIdentifier SigPolicyId
{
get
{
return this.sigPolicyId;
}
set
{
this.sigPolicyId = value;
}
}
/// <summary>
/// The optional Transforms element can contain the transformations
/// performed on the signature policy document before computing its
/// hash
/// </summary>
public Transforms Transforms
{
get
{
return this.transforms;
}
set
{
this.transforms = value;
}
}
/// <summary>
/// The SigPolicyHash element contains the identifier of the hash
/// algorithm and the hash value of the signature policy
/// </summary>
public DigestAlgAndValueType SigPolicyHash
{
get
{
return this.sigPolicyHash;
}
set
{
this.sigPolicyHash = value;
}
}
/// <summary>
/// The SigPolicyQualifier element can contain additional information
/// qualifying the signature policy identifier
/// </summary>
public SigPolicyQualifiers SigPolicyQualifiers
{
get
{
return this.sigPolicyQualifiers;
}
set
{
this.sigPolicyQualifiers = value;
}
}
#endregion
#region Constructors
/// <summary>
/// Default constructor
/// </summary>
public SignaturePolicyId()
{
this.sigPolicyId = new ObjectIdentifier("SigPolicyId");
this.transforms = new Transforms();
this.sigPolicyHash = new DigestAlgAndValueType("SigPolicyHash");
this.sigPolicyQualifiers = new SigPolicyQualifiers();
}
#endregion
#region Public methods
/// <summary>
/// Check to see if something has changed in this instance and needs to be serialized
/// </summary>
/// <returns>Flag indicating if a member needs serialization</returns>
public bool HasChanged()
{
bool retVal = false;
if (this.sigPolicyId != null && this.sigPolicyId.HasChanged())
{
retVal = true;
}
if (this.transforms != null && this.transforms.HasChanged())
{
retVal = true;
}
if (this.sigPolicyHash != null && this.sigPolicyHash.HasChanged())
{
retVal = true;
}
if (this.sigPolicyQualifiers != null && this.sigPolicyQualifiers.HasChanged())
{
retVal = true;
}
return retVal;
}
/// <summary>
/// Load state from an XML element
/// </summary>
/// <param name="xmlElement">XML element containing new state</param>
public void LoadXml(System.Xml.XmlElement xmlElement)
{
XmlNamespaceManager xmlNamespaceManager;
XmlNodeList xmlNodeList;
if (xmlElement == null)
{
throw new ArgumentNullException("xmlElement");
}
xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
xmlNamespaceManager.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
xmlNodeList = xmlElement.SelectNodes("xsd:SigPolicyId", xmlNamespaceManager);
if (xmlNodeList.Count == 0)
{
throw new CryptographicException("SigPolicyId missing");
}
this.sigPolicyId = new ObjectIdentifier("SigPolicyId");
this.sigPolicyId.LoadXml((XmlElement)xmlNodeList.Item(0));
xmlNodeList = xmlElement.SelectNodes("ds:Transforms", xmlNamespaceManager);
if (xmlNodeList.Count != 0)
{
this.transforms = new Transforms();
this.transforms.LoadXml((XmlElement)xmlNodeList.Item(0));
}
xmlNodeList = xmlElement.SelectNodes("xsd:SigPolicyHash", xmlNamespaceManager);
if (xmlNodeList.Count == 0)
{
throw new CryptographicException("SigPolicyHash missing");
}
this.sigPolicyHash = new DigestAlgAndValueType("SigPolicyHash");
this.sigPolicyHash.LoadXml((XmlElement)xmlNodeList.Item(0));
xmlNodeList = xmlElement.SelectNodes("xsd:SigPolicyQualifiers", xmlNamespaceManager);
if (xmlNodeList.Count != 0)
{
this.sigPolicyQualifiers = new SigPolicyQualifiers();
this.sigPolicyQualifiers.LoadXml((XmlElement)xmlNodeList.Item(0));
}
}
/// <summary>
/// Returns the XML representation of the this object
/// </summary>
/// <returns>XML element containing the state of this object</returns>
public XmlElement GetXml()
{
XmlDocument creationXmlDocument;
XmlElement retVal;
creationXmlDocument = new XmlDocument();
retVal = creationXmlDocument.CreateElement("xades", "SignaturePolicyId", XadesSignedXml.XadesNamespaceUri);
if (this.sigPolicyId != null && this.sigPolicyId.HasChanged())
{
retVal.AppendChild(creationXmlDocument.ImportNode(this.sigPolicyId.GetXml(), true));
}
else
{
throw new CryptographicException("SigPolicyId element missing in SignaturePolicyId");
}
if (this.transforms != null && this.transforms.HasChanged())
{
retVal.AppendChild(creationXmlDocument.ImportNode(this.transforms.GetXml(), true));
}
if (this.sigPolicyHash != null && this.sigPolicyHash.HasChanged())
{
retVal.AppendChild(creationXmlDocument.ImportNode(this.sigPolicyHash.GetXml(), true));
}
else
{
throw new CryptographicException("SigPolicyHash element missing in SignaturePolicyId");
}
if (this.sigPolicyQualifiers != null && this.sigPolicyQualifiers.HasChanged())
{
retVal.AppendChild(creationXmlDocument.ImportNode(this.sigPolicyQualifiers.GetXml(), true));
}
return retVal;
}
#endregion
}
}