/// <summary>
/// 关闭设备
/// </summary>
/// <returns></returns>
public void CloseDevice()
{
if (hCard != 0)
{
runResult = PCSC.SCardDisconnect(hCard, 2);
}
if (hContext != 0)
{
runResult = PCSC.SCardReleaseContext(hContext);
}
}
/// <summary>
/// 发送APDU指令
/// </summary>
/// <param name="SendMessageBuffer">发送的指令</param>
/// <param name="SW">返回的SW状态码</param>
/// <returns></returns>
public byte[] SendAPDU(byte[] SendMessageBuffer, byte[] SW)
{
byte[] receiveMessageByte = new byte[256];
int receiveLength = 256;
runResult = PCSC.SCardTransmit(hCard
, SCARD_PCI_T1
, SendMessageBuffer
, SendMessageBuffer.Length
, null, receiveMessageByte, ref receiveLength);
if (runResult != SCARD_SUCCESS)
{
errMsg = "获取读卡器列表，错误代码为：" + runResult.ToString("X");
//Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
if (receiveLength > 2)
{
byte[] retMessage = new byte[receiveLength - 2];
for (int i = 0; i < receiveLength - 2; i++)
{
retMessage[i] = receiveMessageByte[i];
}
SW[0] = receiveMessageByte[receiveLength - 2];
SW[1] = receiveMessageByte[receiveLength - 1];
return(retMessage);
}
if (receiveLength == 2)
{
SW[0] = receiveMessageByte[0];
SW[1] = receiveMessageByte[1];
return(null);
}
return(receiveMessageByte);
}
/// <summary>
/// 初始化设备
/// </summary>
/// <returns>返回设备列表</returns>
public List <string> InitializeDevice()
{
//获取设备上下文句柄
runResult = PCSC.SCardEstablishContext(0, 0, 0, ref hContext);
if (runResult != SCARD_SUCCESS)
{
errMsg = "获取设备上下文失败，错误代码为：" + runResult.ToString("X");
//Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
if (hContext == 0)
{
errMsg = "未能获取设备上下文句柄";
// Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
int mszReaderSize = 0;
//获取读卡器列表，第一次用于获取字符串长度
runResult = PCSC.SCardListReaders(hContext, null, null, ref mszReaderSize);
if (runResult != SCARD_SUCCESS)
{
errMsg = "获取读卡器列表，错误代码为：" + runResult.ToString("X");
// Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
List <string> readerList = new List <string>();
byte[] reads = new byte[mszReaderSize];
//获取读卡器列表
runResult = PCSC.SCardListReaders(hContext, null, reads, ref mszReaderSize);
if (runResult != SCARD_SUCCESS)
{
errMsg = "获取读卡器列表，错误代码为：" + runResult.ToString("X");
// Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
ASCIIEncoding encoding = new ASCIIEncoding();
string strBuffer = encoding.GetString(reads);
char nullChar = '\0';
int len = mszReaderSize;
int index = 0;
while (strBuffer[0] != nullChar)
{
index = strBuffer.IndexOf(nullChar);
string reader = strBuffer.Substring(0, index);
len = len - (reader.Length + 1);
strBuffer = strBuffer.Substring(index + 1, len);
readerList.Add(reader);
}
return(readerList);
}
/// <summary>
/// 初始化卡
/// </summary>
/// <param name="readerList">设备列表</param>
/// <returns></returns>
public void InitializeCard(List <string> readerList)
{
if (hContext == 0)
{
errMsg = "获取设备上下文句柄失败。初始化卡片前需初始化设备！";
// Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
bool isConnectCard = false;
for (int i = 0; i < readerList.Count; i++)
{
string reader = readerList[i];
runResult = PCSC.SCardConnect(hContext, reader, 1, 2, ref hCard, ref ActiveProtocol);
if (runResult != SCARD_SUCCESS)
{
continue;
}
else
{
activeReaderName = reader;
isConnectCard = true;
break;
}
}
if (!isConnectCard)
{
errMsg = "未能搜索到卡片！";
// Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
int readerLength = 0;
int cardStatus = 0;
int cardProtocal = 0;
int atrLength = 0;
runResult = PCSC.SCardStatus(hCard, activeReaderName, ref readerLength
, ref cardStatus, ref cardProtocal, null, ref atrLength);
if (runResult != SCARD_SUCCESS)
{
errMsg = "获取读卡器列表，错误代码为：" + runResult.ToString("X");
//Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
if (cardStatus != 6)
{
errMsg = "卡片状态不合法！连接失败！";
//Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
byte[] ATR = new byte[atrLength];
runResult = PCSC.SCardStatus(hCard, activeReaderName, ref readerLength
, ref cardStatus, ref cardProtocal, ATR, ref atrLength);
if (runResult != SCARD_SUCCESS)
{
errMsg = "获取读卡器列表，错误代码为：" + runResult.ToString("X");
// Log.WriteLog(errMsg);
throw new Exception(errMsg);
}
}