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A Smart Card Framework for .NET

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15 May 2015CPOL8 min read 2.1M   145.2K   342  
Describes a framework to use the PCSC Smart Card API with .NET.
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;

using GemCard;
using SmartCardPlayer;
using GSMHelper;

namespace TestSmartcard
{
    class Program
    {
        const string FileName = "CmdList.xml";
        const string ApduFile = "ApduList.xml";
        const string SequenceFile = "SequenceList.xml";

        /// <summary>
        /// Formats the PIN and pad with FF
        /// </summary>
        /// <param name="pin"></param>
        /// <returns></returns>
        static string FormatPIN(string pin)
        {
            StringBuilder formPin = new StringBuilder();

            for (int nI = 0; nI < 8; nI++)
            {
                if (nI < pin.Length)
                {
                    formPin.AppendFormat("3{0}", pin[nI]);
                }
                else
                    formPin.Append("FF");
            }

            return formPin.ToString();
        }


        static void Main(string[] args)
        {
            try
            {
                int nbRecords = 10;
                string PIN = "31323334FFFFFFFF";
                bool bPin = false;

                if (args.Length != 0)
                {
                    for (int nI = 0; nI < args.Length; nI++)
                    {
                        if (args[nI] == "P")
                        {
                            bPin = true;
                            PIN = FormatPIN(args[++nI]);
                        }
                        else
                            nbRecords = int.Parse(args[nI]);
                    }
                }

                APDUResponse apduResp = null;
                CardNative iCard = new CardNative();

                string[] readers = iCard.ListReaders();

                iCard.Connect(readers[0], SHARE.Shared, PROTOCOL.T0orT1);

                APDUPlayer player = new APDUPlayer(iCard);
                player.LoadAPDUFile(Properties.Settings.Default.DataPath + ApduFile);
                player.LoadSequenceFile(Properties.Settings.Default.DataPath + SequenceFile);

                SequenceParameter seqParam = new SequenceParameter();

                // Process Apdu: VerifyCHV
                if (bPin)
                {
                    Console.WriteLine("Sequence: Verify CHV1");
                    seqParam.Add("PIN", PIN);
                    apduResp = player.ProcessSequence("Verify CHV1", seqParam);
                    Console.WriteLine(apduResp.ToString());
                }
                 
                if (!bPin || (bPin && apduResp.Status == 0x9000))
                {
                    for (int nI = 1; nI <= nbRecords; nI++)
                    {
                        seqParam.Clear();
                        seqParam.Add("Record", nI.ToString());
                        //Console.WriteLine(string.Format("Read ADN, Record={0}", nI));
                        apduResp = player.ProcessSequence("Read ADN", seqParam);

                        PhoneNumber phone = new PhoneNumber(apduResp.Data);
                        Console.WriteLine("ADN n�" + nI.ToString());
                        Console.WriteLine(phone.ToString());
                        Console.WriteLine();

                        //Console.WriteLine(apduResp.ToString());
                    }
                }

                APDULogList log = player.Log;

                Console.WriteLine("Log:");
                APDULog[] arrayLog = log.ToArray();
                for (int nI = 0; nI < log.Count; nI++)
                    Console.WriteLine(arrayLog[nI].ToString());

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Architect Connect In Private
Singapore Singapore
Software Architect, COM, .NET and Smartcard based security specialist.

I've been working in the software industry since I graduated in Electrical and Electronics Engineering. I chose software because I preferred digital to analog.

I started to program with 6802 machine code and evolved to the current .NET technologies... that was a long way.

For more than 20 years I have always worked in technical positions as I simply like to get my hands dirty and crack my brain when things don't go right!

After 12 years in the smart card industry I can claim a strong knowledge in security solutions based on those really small computers!
I've been back into business to design the licensing system for the enterprise solution for Consistel using a .NET smart card (yes they can run .NET CLR!)

I'm currently designing a micro-payment solution using the NXP DESFire EV1 with the ACSO6 SAM of ACS. I can then add a full proficient expertise on those systems and NFC payments.
This technology being under strict NDA by NXP I cannot publish any related article about it, however I can provide professional consulting for it.

You can contact me for professional matter by using the forum or via my LinkedIn profile.

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