//カードリーダーの名前取得(1台のみ)
List <string> getReaders(IntPtr hContext)
{
uint pcchReaders = 0;
//一覧取得に必要とされるバッファサイズを取得
uint ret = NfcApi.SCardListReaders(hContext, null, null, ref pcchReaders);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
return(new List <string>());//リーダーの情報が取得できません。
}
//バッファを確保
byte[] mszReaders = new byte[pcchReaders * 2]; // 1文字2byte
//一覧を取得する
ret = NfcApi.SCardListReaders(hContext, null, mszReaders, ref pcchReaders);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
return(new List <string>());//リーダーの情報が取得できません。
}
UnicodeEncoding unicodeEncoding = new UnicodeEncoding();
string readerNameMultiString = unicodeEncoding.GetString(mszReaders);
Debug.WriteLine("リーダー名を\\0で接続した文字列: " + readerNameMultiString);
Debug.WriteLine(" ");
List <string> readersList = new List <string>();
int nullindex = readerNameMultiString.IndexOf((char)0); // 装置は１台のみ
readersList.Add(readerNameMultiString.Substring(0, nullindex));
//readersList.Add(readerNameMultiString.Split(nullindex,StringSplitOptions.RemoveEmptyEntries); //保留
return(readersList);
}
//----------------------------------
//リソースマネージャ接続
private IntPtr establishContext()
{
IntPtr context = IntPtr.Zero;
uint ret = NfcApi.SCardEstablishContext(NfcConstant.SCARD_SCOPE_USER, IntPtr.Zero, IntPtr.Zero, out context);
//Return Valueについてはこちら
//https://technet.microsoft.com/ja-jp/library/aa374738.aspx#smart_card_return_values
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
string message;
switch (ret)
{
case NfcConstant.SCARD_E_NO_SERVICE:
message = "サービスが起動されていません。" + ret;
break;
default:
message = "Smart Cardサービスに接続できません。code = " + ret;
break;
}
Debug.WriteLine(message);
return(IntPtr.Zero);
}
Debug.WriteLine("Smart Cardサービスに接続しました。");
return(context);
}
/* del
* ReadResult readCard(IntPtr context, string readerName)
* {
* IntPtr hCard = connect(context, readerName);
* string readerSerialNumber = readReaderSerialNumber(hCard);
* string cardId = readCardId(hCard);
* // Debug.WriteLine(readerName + " (S/N " + readerSerialNumber + ") から、カードを読み取りました。" + cardId);
* Console.WriteLine(readerName + " (S/N " + readerSerialNumber + ") から、カードを読み取りました。");
* Console.WriteLine("CardID:" + cardId);
*
* disconnect(hCard);
*
* ReadResult result = new ReadResult();
* result.readerSerialNumber = readerSerialNumber;
* result.cardId = cardId;
* return result;
* }
*
* string readReaderSerialNumber(IntPtr hCard)
* {
* int controlCode = 0x003136b0; // SCARD_CTL_CODE(3500) の値
* // IOCTL_PCSC_CCID_ESCAPE
* // SONY SDK for NFC M579_PC_SC_2.1j.pdf 3.1.1 IOCTRL_PCSC_CCID_ESCAPE
* byte[] sendBuffer = new byte[] { 0xc0, 0x08 }; // ESC_CMD_GET_INFO / Product Serial Number
* byte[] recvBuffer = new byte[64];
* int recvLength = control(hCard, controlCode, sendBuffer, recvBuffer);
*
* ASCIIEncoding asciiEncoding = new ASCIIEncoding();
* string serialNumber = asciiEncoding.GetString(recvBuffer, 0, recvLength - 1); // recvBufferには\0で終わる文字列が取得されるので、長さを-1する。
* return serialNumber;
* }
*
* string readCardId(IntPtr hCard)
* {
* byte maxRecvDataLen = 64;
* byte[] recvBuffer = new byte[maxRecvDataLen + 2];
* byte[] sendBuffer = new byte[] { 0xff, 0xca, 0x00, 0x00, maxRecvDataLen };
* int recvLength = transmit(hCard, sendBuffer, recvBuffer);
*
* string cardId = BitConverter.ToString(recvBuffer, 0, recvLength - 2).Replace("-", "");
* return cardId;
* }
*
* void SendCommand(IntPtr hContext, string readerName)
* {
* int dwResponseSize;
* byte[] response = new byte[2048];
* long lResult;
*
* byte[] commnadSelectFile = { 0xff, 0xA4, 0x00, 0x01, 0x02, 0x0f, 0x09 };
* byte[] commnadReadBinary = { 0xff, 0xb0, 0x00, 0x00, 0x00 };
*
* IntPtr SCARD_PCI_T1 = getPciT1();
* NfcApi.SCARD_IO_REQUEST ioRecv = new NfcApi.SCARD_IO_REQUEST();
* ioRecv.cbPciLength = 2048;
* IntPtr hCard = connect(hContext, readerName);
*
* dwResponseSize = response.Length;
* lResult = NfcApi.SCardTransmit(hCard, SCARD_PCI_T1, commnadSelectFile, commnadSelectFile.Length, ioRecv, response, ref dwResponseSize);
* if (lResult != NfcConstant.SCARD_S_SUCCESS)
* {
* Debug.WriteLine("SelectFile error\n");
* return;
* }
* dwResponseSize = response.Length;
* lResult = NfcApi.SCardTransmit(hCard, SCARD_PCI_T1, commnadReadBinary, commnadReadBinary.Length, ioRecv, response, ref dwResponseSize);
* if (lResult != NfcConstant.SCARD_S_SUCCESS)
* {
* Debug.WriteLine("ReadBinary error\n");
* return;
* }
* parse_tag(response);
* }
*
* private void parse_tag(byte[] data)
* {
* //int loop = 0;
* // Debug.WriteLine("\nSuica履歴データ：" + BitConverter.ToString(data,0,20) + "\n");
* Console.WriteLine("\nSuica履歴データ：" + BitConverter.ToString(data, 0, 20) + "\n");
* }
*/
private IntPtr getPciT1()
{
IntPtr handle = NfcApi.LoadLibrary("Winscard.dll");
IntPtr pci = NfcApi.GetProcAddress(handle, "g_rgSCardT1Pci");
NfcApi.FreeLibrary(handle);
return(pci);
}
void disconnect(IntPtr hCard)
{
uint ret = NfcApi.SCardDisconnect(hCard, NfcConstant.SCARD_LEAVE_CARD);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードとの接続を切断できません。code = " + ret);
}
}
int control(IntPtr hCard, int controlCode, byte[] sendBuffer, byte[] recvBuffer)
{
int bytesReturned = 0;
uint ret = NfcApi.SCardControl(hCard, controlCode, sendBuffer, sendBuffer.Length, recvBuffer, recvBuffer.Length, ref bytesReturned);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードへの制御命令送信に失敗しました。code = " + ret);
}
return(bytesReturned);
}
IntPtr connect(IntPtr hContext, string readerName)
{
IntPtr hCard = IntPtr.Zero;
IntPtr activeProtocol = IntPtr.Zero;
uint ret = NfcApi.SCardConnect(hContext, readerName, NfcConstant.SCARD_SHARE_SHARED, NfcConstant.SCARD_PROTOCOL_T1, ref hCard, ref activeProtocol);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードに接続できません。code = " + ret);
}
return(hCard);
}
int transmit(IntPtr hCard, byte[] sendBuffer, byte[] recvBuffer)
{
NfcApi.SCARD_IO_REQUEST ioRecv = new NfcApi.SCARD_IO_REQUEST();
ioRecv.cbPciLength = 255;
int pcbRecvLength = recvBuffer.Length;
int cbSendLength = sendBuffer.Length;
IntPtr SCARD_PCI_T1 = getPciT1();
uint ret = NfcApi.SCardTransmit(hCard, SCARD_PCI_T1, sendBuffer, cbSendLength, ioRecv, recvBuffer, ref pcbRecvLength);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("カードへの送信に失敗しました。code = " + ret);
}
return(pcbRecvLength); // 受信したバイト数(recvBufferに受け取ったバイト数)
}
void waitReaderStatusChange(IntPtr hContext, NfcApi.SCARD_READERSTATE[] readerStateArray, int timeoutMillis)
{
uint ret = NfcApi.SCardGetStatusChange(hContext, timeoutMillis /*msec*/, readerStateArray, readerStateArray.Length);
switch (ret)
{
case NfcConstant.SCARD_S_SUCCESS:
break;
case NfcConstant.SCARD_E_TIMEOUT:
throw new TimeoutException();
default:
throw new ApplicationException("リーダーの状態変化の取得に失敗。code = " + ret);
}
}
NfcApi.SCARD_READERSTATE[] initializeReaderState(IntPtr hContext, List <string> readerNameList)
{
//NfcApi.SCARD_READERSTATE[]
readerStateArray = new NfcApi.SCARD_READERSTATE[readerNameList.Count];
int i = 0;
foreach (string readerName in readerNameList)
{
readerStateArray[i].dwCurrentState = NfcConstant.SCARD_STATE_UNAWARE;
readerStateArray[i].szReader = readerName;
i++;
}
uint ret = NfcApi.SCardGetStatusChange(hContext, 0 /*msec*/, readerStateArray, readerStateArray.Length);
if (ret != NfcConstant.SCARD_S_SUCCESS)
{
throw new ApplicationException("リーダーの初期状態の取得に失敗。code = " + ret);
}
return(readerStateArray);
}
//接続終了
public bool DisConnectReader()
{
uint ret = NfcApi.SCardReleaseContext(context);
return(true);
}