我正在开发一个需要读取 mifare 卡序列号的应用程序，我使用的语言是 C#。
我是 mifare reader 编程的新手，所以很抱歉提出愚蠢的问题。首先我想知道 Mifare UID 和 Mifare 序列号是否不同。
我已经设法在 WinSCard 库的帮助下获得 UID，但我无法弄清楚如何获得应该是 10 位数字的卡序列号。
如果您能指出正确的方向，我将不胜感激。
在此先感谢您的帮助。问候
问问题
12663 次
2 回答
10
SCardTransmit 方法的 C# 签名
[StructLayout(LayoutKind.Sequential)]
public struct SCARD_IO_REQUEST
{
public int dwProtocol;
public int cbPciLength;
}
[DllImport("winscard.dll")]
public static extern int SCardTransmit(int hCard, ref SCARD_IO_REQUEST pioSendRequest, ref byte SendBuff, int SendBuffLen, ref SCARD_IO_REQUEST pioRecvRequest,
ref byte RecvBuff, ref int RecvBuffLen);
mifare卡读取UID代码示例
private SmartcardErrorCode GetUID(ref byte[] UID)
{
byte[] receivedUID = new byte[10];
UnsafeNativeMethods.SCARD_IO_REQUEST request = new UnsafeNativeMethods.SCARD_IO_REQUEST();
request.dwProtocol = 1; //SCARD_PROTOCOL_T1);
request.cbPciLength = System.Runtime.InteropServices.Marshal.SizeOf(typeof(UnsafeNativeMethods.SCARD_IO_REQUEST));
byte[] sendBytes = new byte[] { 0xFF, 0xCA, 0x00, 0x00, 0x04 }; //get UID command for Mifare cards
int outBytes = receivedUID.Length;
int status = SCardTransmit(_hCard, ref request, ref sendBytes[0], sendBytes.Length, ref request, ref receivedUID[0], ref outBytes);
UID = receivedUID.Take(8).ToArray();
return status;
}
于 2013-06-05T08:55:47.143 回答
2
所选答案不适用于 x64 环境。
这是一个完整的示例代码，经过测试并在 Windows 10 x64 上运行。这是做什么的：
- 检索可用读者列表
- 选择使用第一个可用的阅读器
- 检查读卡器中是否有卡并连接到它。
- 向卡发送命令以检索其 UID
将 UID 转换为十六进制字符串。
using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Runtime.InteropServices; using System.Text; namespace DXCutcsa.VO.Common { public class SmartCardReader { #region Atributos private bool _disposed = false; private IntPtr _ReaderContext = IntPtr.Zero; private string _ReaderName = string.Empty; private List<string> _AvailableReaders = new List<string>(); #endregion #region Win32 APIs [DllImport("WinScard.dll")] static extern int SCardEstablishContext(uint dwScope, IntPtr notUsed1, IntPtr notUsed2, out IntPtr phContext); [DllImport("WinScard.dll")] static extern int SCardReleaseContext(IntPtr phContext); [DllImport("WinScard.dll")] static extern int SCardConnect(IntPtr hContext, string cReaderName, uint dwShareMode, uint dwPrefProtocol, ref IntPtr phCard, ref IntPtr ActiveProtocol); [DllImport("WinScard.dll")] static extern int SCardDisconnect(IntPtr hCard, int Disposition); [DllImport("WinScard.dll", EntryPoint = "SCardListReadersA", CharSet = CharSet.Ansi)] static extern int SCardListReaders( IntPtr hContext, byte[] mszGroups, byte[] mszReaders, ref UInt32 pcchReaders); [DllImport("winscard.dll")] static extern int SCardStatus( uint hCard, IntPtr szReaderName, ref int pcchReaderLen, ref int pdwState, ref uint pdwProtocol, byte[] pbAtr, ref int pcbAtrLen); [DllImport("winscard.dll")] static extern int SCardTransmit( IntPtr hCard, ref SCARD_IO_REQUEST pioSendRequest, ref byte SendBuff, uint SendBuffLen, ref SCARD_IO_REQUEST pioRecvRequest, byte[] RecvBuff, ref uint RecvBuffLen); [DllImport("winscard.dll", SetLastError = true)] static extern int SCardGetAttrib( IntPtr hCard, // Valor retornado en funcion ScardConnect UInt32 dwAttrId, // Identificacion de atributos a obtener byte[] pbAttr, // Puntero al vector atributos recividos ref IntPtr pcbAttrLen // Tamaño del vector ); [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] public struct ReaderState { public ReaderState(string sName) { this.szReader = sName; this.pvUserData = IntPtr.Zero; this.dwCurrentState = 0; this.dwEventState = 0; this.cbATR = 0; this.rgbATR = null; } internal string szReader; internal IntPtr pvUserData; internal uint dwCurrentState; internal uint dwEventState; internal uint cbATR; // count of bytes in rgbATR [MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x24, ArraySubType = UnmanagedType.U1)] internal byte[] rgbATR; } [StructLayout(LayoutKind.Sequential)] public struct SCARD_IO_REQUEST { public UInt32 dwProtocol; public UInt32 cbPciLength; } /*****************************************************************/ [DllImport("kernel32.dll", SetLastError = true)] private extern static IntPtr LoadLibrary(string lpFileName); [DllImport("kernel32.dll")] private extern static void FreeLibrary(IntPtr handle); [DllImport("kernel32.dll")] private extern static IntPtr GetProcAddress(IntPtr handle, string procName); #endregion #region Error codes public const uint S_SUCCESS = 0x00000000; public const uint F_INTERNAL_ERROR = 0x80100001; public const uint E_CANCELLED = 0x80100002; public const uint E_INVALID_HANDLE = 0x80100003; public const uint E_INVALID_PARAMETER = 0x80100004; public const uint E_INVALID_TARGET = 0x80100005; public const uint E_NO_MEMORY = 0x80100006; public const uint F_WAITED_TOO_LONG = 0x80100007; public const uint E_INSUFFICIENT_BUFFER = 0x80100008; public const uint E_UNKNOWN_READER = 0x80100009; public const uint E_TIMEOUT = 0x8010000A; public const uint E_SHARING_VIOLATION = 0x8010000B; public const uint E_NO_SMARTCARD = 0x8010000C; public const uint E_UNKNOWN_CARD = 0x8010000D; public const uint E_CANT_DISPOSE = 0x8010000E; public const uint E_PROTO_MISMATCH = 0x8010000F; public const uint E_NOT_READY = 0x80100010; public const uint E_INVALID_VALUE = 0x80100011; public const uint E_SYSTEM_CANCELLED = 0x80100012; public const uint F_COMM_ERROR = 0x80100013; public const uint F_UNKNOWN_ERROR = 0x80100014; public const uint E_INVALID_ATR = 0x80100015; public const uint E_NOT_TRANSACTED = 0x80100016; public const uint E_READER_UNAVAILABLE = 0x80100017; public const uint P_SHUTDOWN = 0x80100018; public const uint E_PCI_TOO_SMALL = 0x80100019; public const uint E_READER_UNSUPPORTED = 0x8010001A; public const uint E_DUPLICATE_READER = 0x8010001B; public const uint E_CARD_UNSUPPORTED = 0x8010001C; public const uint E_NO_SERVICE = 0x8010001D; public const uint E_SERVICE_STOPPED = 0x8010001E; public const uint E_UNEXPECTED = 0x8010001F; public const uint E_ICC_INSTALLATION = 0x80100020; public const uint E_ICC_CREATEORDER = 0x80100021; public const uint E_UNSUPPORTED_FEATURE = 0x80100022; public const uint E_DIR_NOT_FOUND = 0x80100023; public const uint E_FILE_NOT_FOUND = 0x80100024; public const uint E_NO_DIR = 0x80100025; public const uint E_NO_FILE = 0x80100026; public const uint E_NO_ACCESS = 0x80100027; public const uint E_WRITE_TOO_MANY = 0x80100028; public const uint E_BAD_SEEK = 0x80100029; public const uint E_INVALID_CHV = 0x8010002A; public const uint E_UNKNOWN_RES_MNG = 0x8010002B; public const uint E_NO_SUCH_CERTIFICATE = 0x8010002C; public const uint E_CERTIFICATE_UNAVAILABLE = 0x8010002D; public const uint E_NO_READERS_AVAILABLE = 0x8010002E; public const uint E_COMM_DATA_LOST = 0x8010002F; public const uint E_NO_KEY_CONTAINER = 0x80100030; public const uint W_UNSUPPORTED_CARD = 0x80100065; public const uint W_UNRESPONSIVE_CARD = 0x80100066; public const uint W_UNPOWERED_CARD = 0x80100067; public const uint W_RESET_CARD = 0x80100068; public const uint W_REMOVED_CARD = 0x80100069; public const uint W_SECURITY_VIOLATION = 0x8010006A; public const uint W_WRONG_CHV = 0x8010006B; public const uint W_CHV_BLOCKED = 0x8010006C; public const uint W_EOF = 0x8010006D; public const uint W_CANCELLED_BY_USER = 0x8010006E; public const uint W_CARD_NOT_AUTHENTICATED = 0x8010006F; #endregion #region Constructor public SmartCardReader() { } #endregion #region Metodos public long GetUID(ref byte[] UID) { long _result = 0; bool cardInserted = false; IntPtr _CardContext = IntPtr.Zero; IntPtr ActiveProtocol = IntPtr.Zero; // Establish Reader context: if (this._ReaderContext == IntPtr.Zero) { _result = SCardEstablishContext(2, IntPtr.Zero, IntPtr.Zero, out this._ReaderContext); #region Get List of Available Readers uint pcchReaders = 0; int nullindex = -1; char nullchar = (char)0; // First call with 3rd parameter set to null gets readers buffer length. _result = SCardListReaders(this._ReaderContext, null, null, ref pcchReaders); byte[] mszReaders = new byte[pcchReaders]; // Fill readers buffer with second call. _result = SCardListReaders(this._ReaderContext, null, mszReaders, ref pcchReaders); // Populate List with readers. string currbuff = new ASCIIEncoding().GetString(mszReaders); int len = (int)pcchReaders; if (len > 0) { while (currbuff[0] != nullchar) { nullindex = currbuff.IndexOf(nullchar); // Get null end character. string reader = currbuff.Substring(0, nullindex); this._AvailableReaders.Add(reader); len = len - (reader.Length + 1); currbuff = currbuff.Substring(nullindex + 1, len); } } #endregion // Select the first reader: this._ReaderName = this._AvailableReaders[0]; } try { //Check if there is a Card in the reader: //dwShareMode: SCARD_SHARE_SHARED = 0x00000002 - This application will allow others to share the reader //dwPreferredProtocols: SCARD_PROTOCOL_T0 - Use the T=0 protocol (value = 0x00000001) if (this._ReaderContext != IntPtr.Zero) { _result = SCardConnect(this._ReaderContext, this._ReaderName, 0x00000002, 0x00000001, ref _CardContext, ref ActiveProtocol); if (_result == 0) { cardInserted = true; SCARD_IO_REQUEST request = new SCARD_IO_REQUEST() { dwProtocol = (uint)ActiveProtocol, cbPciLength = (uint)System.Runtime.InteropServices.Marshal.SizeOf(typeof(SCARD_IO_REQUEST)) }; byte[] sendBytes = new byte[] { 0xFF, 0xCA, 0x00, 0x00, 0x00 }; //<- get UID command for iClass cards byte[] ret_Bytes = new byte[33]; uint sendLen = (uint)sendBytes.Length; uint ret_Len = (uint)ret_Bytes.Length; _result = SCardTransmit(_CardContext, ref request, ref sendBytes[0], sendLen, ref request, ret_Bytes, ref ret_Len); if (_result == 0) { UID = ret_Bytes.Take(4).ToArray(); //only take the first 8, the last 2 bytes are not part of the UID of the card string dataOut = byteToHexa(UID, UID.Length, true).Trim(); //Devolver la respuesta en Hexadecimal } } } } finally { SCardDisconnect(_CardContext, 0); SCardReleaseContext(this._ReaderContext); } return _result; } private string byteToHexa(byte[] byReadBuffer, int leng, bool bSpace) { string text2 = ""; for (short num1 = 0; num1 < leng; num1 = (short)(num1 + 1)) { short num2 = byReadBuffer[num1]; text2 = text2 + System.Convert.ToString(num2, 16).PadLeft(2, '0'); if (bSpace) { text2 = text2 + " "; } } return text2.ToUpper(); } //Get the address of Pci from "Winscard.dll". private IntPtr GetPciT0() { IntPtr handle = LoadLibrary("Winscard.dll"); IntPtr pci = GetProcAddress(handle, "g_rgSCardT0Pci"); FreeLibrary(handle); return pci; } #endregion }// Fin de la Clase }
PInvoke 文档帮助很大： https ://www.pinvoke.net/default.aspx/winscard.scardtransmit
于 2019-08-09T20:00:24.437 回答