Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/Microsoft/Xades/HashDataInfo.cs

@@ -0,0 +1,156 @@
+// HashDataInfo.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.Xml;
+
+namespace Microsoft.Xades
+{
+    /// <summary>
+    /// The HashDataInfo class contains a uri attribute referencing a data object
+    /// and a ds:Transforms element indicating the transformations to make to this
+    /// data object.
+    /// The sequence of HashDataInfo elements will be used to produce the input of
+    /// the hash computation process whose result will be included in the
+    /// timestamp request to be sent to the TSA.
+    /// </summary>
+    public class HashDataInfo
+    {
+        #region Private variables
+        private string uriAttribute;
+        private Transforms transforms;
+        #endregion
+
+        #region Public properties
+        /// <summary>
+        /// Uri referencing a data object
+        /// </summary>
+        public string UriAttribute
+        {
+            get
+            {
+                return this.uriAttribute;
+            }
+            set
+            {
+                this.uriAttribute = value;
+            }
+        }
+
+        /// <summary>
+        /// Transformations to make to this data object
+        /// </summary>
+        public Transforms Transforms
+        {
+            get
+            {
+                return this.transforms;
+            }
+            set
+            {
+                this.transforms = value;
+            }
+        }
+        #endregion
+
+        #region Constructors
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public HashDataInfo()
+        {
+            this.transforms = new Transforms();
+        }
+        #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 (!String.IsNullOrEmpty(this.uriAttribute))
+            {
+                retVal = true;
+            }
+
+            if (this.transforms != null && this.transforms.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");
+            }
+            if (xmlElement.HasAttribute("uri"))
+            {
+                this.uriAttribute = xmlElement.GetAttribute("uri");
+            }
+            else
+            {
+                this.uriAttribute = "";
+                throw new CryptographicException("uri attribute missing");
+            }
+
+            xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
+            xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:Transforms", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                this.transforms = new Transforms();
+                this.transforms.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", "HashDataInfo", XadesSignedXml.XadesNamespaceUri);
+
+            retVal.SetAttribute("uri", this.uriAttribute);
+
+            if (this.transforms != null && this.transforms.HasChanged())
+            {
+                retVal.AppendChild(creationXmlDocument.ImportNode(this.transforms.GetXml(), true));
+            }
+
+            return retVal;
+        }
+        #endregion
+    }
+}