/// <summary>
        /// Decrypts a XmlDocument representing a secure login credentials.
        /// </summary>
        /// <param name="encryptedDocument"> A XmlDocument type.</param>
        /// <returns> A decrypted secure login credentials.</returns>
        public static SecureLoginCredentials Load()
        {
            XmlDocument encryptedDocument = new XmlDocument();
            encryptedDocument.Load(location);

            // add to new document
            XmlNode node = encryptedDocument.SelectSingleNode("//EncryptedData");
            SecureLoginCredentials sec = null;
            SecureLoginCredentialsSerializer serializer = new SecureLoginCredentialsSerializer();

            if ( node != null )
            {
                XmlDocument document = new XmlDocument();
                document.AppendChild(document.ImportNode(node,true));

                // decrypt
                EncryptXml decrypt = new EncryptXml(document);
                decrypt.AddKeyNameMapping("slcreds", decrypt.GetMachineStoreKey("Ecyware.SecLogCreds"));
                decrypt.DecryptDocument();

                sec = (SecureLoginCredentials)serializer.Create(document.DocumentElement.OuterXml);
            }

            return sec;
        }
        /// <summary>
        /// Decrypts the body object.
        /// </summary>
        /// <param name="envelope"> The SoapEnvelope.</param>
        /// <returns> The XmlDocument with the decrypted Soap Body object.</returns>
        private XmlDocument Decrypt(XmlDocument encryptedDocument)
        {
            // add to new document
            XmlNode node = encryptedDocument.SelectSingleNode("//EncryptedData");
            XmlDocument document = new XmlDocument();
            document.AppendChild(document.ImportNode(node,true));

            // decrypt
            EcyXmlEncryption.EncryptXml decrypt = new EcyXmlEncryption.EncryptXml(document);
            decrypt.AddKeyNameMapping("scriptingApplication", decrypt.GetMachineStoreKey("Ecyware.ScrAppEncryption"));
            decrypt.DecryptDocument();

            return document;
        }
        /// <summary>
        /// Decrypts a XmlDocument representing a scripting application.
        /// </summary>
        /// <param name="encryptedDocument"> A XmlDocument type.</param>
        /// <returns> A decrypted Scripting Application.</returns>
        public static ScriptingApplication Decrypt(XmlDocument encryptedDocument)
        {
            // add to new document
            XmlNode node = encryptedDocument.SelectSingleNode("//EncryptedData");
            ScriptingApplication scrapp = null;
            ScriptingApplicationSerializer serializer = new ScriptingApplicationSerializer();

            if ( node != null )
            {
                XmlDocument document = new XmlDocument();
                document.AppendChild(document.ImportNode(node,true));

                // decrypt
                EncryptXml decrypt = new EncryptXml(document);
                decrypt.AddKeyNameMapping("scriptingApplication", decrypt.GetMachineStoreKey("Ecyware.ScrAppEncryption"));
                decrypt.DecryptDocument();

                scrapp = (ScriptingApplication)serializer.Create(document.DocumentElement.OuterXml);
            }
            else
            {
                scrapp = (ScriptingApplication)serializer.Create(encryptedDocument.DocumentElement.OuterXml);
            }

            return scrapp;
        }