internal YubikeyPivDevice(string name)
{
_deviceHandle = new YubikeyPivDeviceHandle();
YubicoPivReturnCode code = YubikeyPivNative.YkPivConnect(_deviceHandle.State, name);
if (code != YubicoPivReturnCode.YKPIV_OK)
{
throw new Exception("Unable to connect to PIV: " + code);
}
}
public IEnumerable <string> ListDevices(bool filter = true)
{
byte[] data;
using (YubikeyPivDeviceHandle deviceHandle = new YubikeyPivDeviceHandle())
{
IntPtr ptr = IntPtr.Zero;
try
{
int len = 2048; // A typical reader name is 32 chars long. This gives space for 64 readers.
ptr = Marshal.AllocHGlobal(len);
IntPtr dev = deviceHandle.State;
YubicoPivReturnCode res = YubikeyPivNative.YkPivListReaders(dev, ptr, ref len);
if (res != YubicoPivReturnCode.YKPIV_OK)
{
return(Enumerable.Empty <string>());
}
data = new byte[len];
Marshal.Copy(ptr, data, 0, len);
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptr);
}
}
}
if (filter)
{
return(StringUtils.ParseStrings(data).Where(IsValidDevice));
}
return(StringUtils.ParseStrings(data));
}
