/// <summary>
        /// Sends the command to SE
        /// </summary>
        /// <param name="readerName">The name of reader</param>
        /// <param name="cmd">The command</param>
        /// <returns>SE's Response to Command</returns>
        public String SendCommand(String readerName, String cmd)
        {
            byte[] atrList = null;
            byte[] aid     = { 0xA0, 0x00, 0x00, 0x00, 0x63, 0x50, 0x4B, 0x43, 0x53, 0x2D, 0x31, 0x35 };

            if (String.IsNullOrEmpty(cmd))
            {
                LogImplementation.DLog("cmd should not be null or empty");
                return("6800");
            }

            if ((cmd.Length % 2) != 0)
            {
                LogImplementation.DLog("cmd should be even number");
                return("6800");
            }

            byte[] cmdBytes = new byte[cmd.Length / 2];
            try {
                for (int index = 0; index < cmdBytes.Length; index++)
                {
                    string byteValue = cmd.Substring(index * 2, 2);

                    cmdBytes[index] = byte.Parse(byteValue, System.Globalization.NumberStyles.HexNumber, System.Globalization.CultureInfo.InvariantCulture);
                }
            }
            catch (Exception e)
            {
                LogImplementation.DLog("Failed " + e.Message);
                return("6800");
            }

            if (SmartcardReader.Count() > 0)
            {
                foreach (SmartcardReader readers in SmartcardReader)
                {
                    if (readers.Name == readerName)
                    {
                        SmartcardSession session = readers.OpenSession();
                        SmartcardChannel channel = session.OpenBasicChannel(aid, 0x00);
                        atrList = channel.Transmit(cmdBytes);
                    }
                }
            }

            LogImplementation.DLog("CMD " + BitConverter.ToString(cmdBytes).Replace("-", string.Empty) + " Return " + BitConverter.ToString(atrList).Replace("-", string.Empty));
            return(BitConverter.ToString(atrList).Replace("-", string.Empty));
        }
        /// <summary>
        /// Initialize to use Smart card namespace
        /// </summary>
        /// <returns>Returns true if Initialize succeeded, false otherwise</returns>
        public bool Initialize()
        {
            try
            {
                SmartcardReader = SmartcardManager.GetReaders();
                LogImplementation.DLog("Count is " + SmartcardReader.Count().ToString());
                if (SmartcardReader.Count() > 0)
                {
                    foreach (SmartcardReader readers in SmartcardReader)
                    {
                        LogImplementation.DLog("Reader " + readers.Name + " Is Secure " + readers.IsSecureElementPresent);
                    }
                }

                return(true);
            }
            catch (Exception e)
            {
                LogImplementation.DLog("Failed " + e.Message);
                return(false);
            }
        }