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Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.

Hcs.Client/Microsoft/Xades/OCSPRef.cs

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+// OCSPRef.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>
+    /// This class identifies one OCSP response
+    /// </summary>
+    public class OCSPRef
+    {
+        #region Private variables
+        private OCSPIdentifier ocspIdentifier;
+        private DigestAlgAndValueType digestAlgAndValue;
+        #endregion
+
+        #region Public properties
+        /// <summary>
+        /// Identification of one OCSP response
+        /// </summary>
+        public OCSPIdentifier OCSPIdentifier
+        {
+            get
+            {
+                return this.ocspIdentifier;
+            }
+            set
+            {
+                this.ocspIdentifier = value;
+            }
+        }
+
+        /// <summary>
+        /// The digest computed on the DER encoded OCSP response, since it may be
+        /// needed to differentiate between two OCSP responses by the same server
+        /// with their "ProducedAt" fields within the same second
+        /// </summary>
+        public DigestAlgAndValueType CertDigest
+        {
+            get
+            {
+                return this.digestAlgAndValue;
+            }
+            set
+            {
+                this.digestAlgAndValue = value;
+            }
+        }
+        #endregion
+
+        #region Constructors
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public OCSPRef()
+        {
+            this.ocspIdentifier = new OCSPIdentifier();
+            this.digestAlgAndValue = new DigestAlgAndValueType("DigestAlgAndValue");
+        }
+        #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.ocspIdentifier != null && this.ocspIdentifier.HasChanged())
+            {
+                retVal = true;
+            }
+
+            if (this.digestAlgAndValue != null && this.digestAlgAndValue.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("xsd", XadesSignedXml.XadesNamespaceUri);
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:OCSPIdentifier", xmlNamespaceManager);
+            if (xmlNodeList.Count == 0)
+            {
+                throw new CryptographicException("OCSPIdentifier missing");
+            }
+            this.ocspIdentifier = new OCSPIdentifier();
+            this.ocspIdentifier.LoadXml((XmlElement)xmlNodeList.Item(0));
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:DigestAlgAndValue", xmlNamespaceManager);
+            if (xmlNodeList.Count == 0)
+            {
+                this.digestAlgAndValue = null;
+            }
+            else
+            {
+                this.digestAlgAndValue = new DigestAlgAndValueType("DigestAlgAndValue");
+                this.digestAlgAndValue.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", "OCSPRef", XadesSignedXml.XadesNamespaceUri);
+
+            if (this.ocspIdentifier != null && this.ocspIdentifier.HasChanged())
+            {
+                retVal.AppendChild(creationXmlDocument.ImportNode(this.ocspIdentifier.GetXml(), true));
+            }
+            else
+            {
+                throw new CryptographicException("OCSPIdentifier element missing in OCSPRef");
+            }
+
+            if (this.digestAlgAndValue != null && this.digestAlgAndValue.HasChanged())
+            {
+                retVal.AppendChild(creationXmlDocument.ImportNode(this.digestAlgAndValue.GetXml(), true));
+            }
+
+            return retVal;
+        }
+        #endregion
+    }
+}