private bool isMIFARETag(Tag tag)
{
bool returnVar = false;
ArrayList arr = new ArrayList();
arr.AddRange(tag.GetTechList());
if (arr.Contains("android.nfc.tech.NfcA"))
{
NfcA nfc_A = NfcA.Get(tag);
byte[] atqa = nfc_A.GetAtqa();
int Sak = int.Parse(nfc_A.Sak.ToString());
switch (atqa[1])
{
case 0x00:
if (atqa[0] == 0x44 || atqa[0] == 0x42 ||
atqa[0] == 0x02 || atqa[0] == 0x04)
{
if (Sak == 0x20)
{
returnVar = true;
detectedTag = "MIFARE_PLUS_SL3";
}
else if (Sak == 0x10)
{
returnVar = true;
detectedTag = "MIFARE_PLUS_SL2";
}
}
break;
case 0x03:
if (atqa[0] == 0x44 || atqa[0] == 0x4)
{
returnVar = true;
detectedTag = "MIFARE_DESFIRE";
}
break;
default:
break;
}
}
return(returnVar);
}
public static string GetManufacturer(Tag tag)
{
string mifareInfo = "";
string[] techtags = tag.GetTechList();
foreach (string s in techtags)
{
if (s.ToLower().IndexOf("mifareultralight") != -1)
{
return("MifareUltralight");
}
else if (s.ToLower().IndexOf("mifareclassic") != -1)
{
mifareInfo = "Mifare Classic";
MifareClassic mifareClassicTag = MifareClassic.Get(tag); //Get MIFARE CLASSIC tag
if (mifareClassicTag != null)
{
if (mifareClassicTag.Type == MifareClassic.TypePlus)
{
mifareInfo = "Mifare Plus";
}
else if (mifareClassicTag.Type == MifareClassic.TypePro)
{
mifareInfo = "Mifare Pro";
}
}
return(mifareInfo);
}
else if (s.ToLower().IndexOf("nfca") != -1)
{
NfcA nfc_A = NfcA.Get(tag);
if (nfc_A != null)
{
byte[] atqa = nfc_A.GetAtqa();
if (atqa.Length >= 2)
{
Int32.TryParse(nfc_A.Sak.ToString(), out int Sak);
switch (atqa[1])
{
case 0x00:
if (atqa[0] == 0x44 || atqa[0] == 0x42 || atqa[0] == 0x02 || atqa[0] == 0x04)
{
if (Sak == 0x20)
{
mifareInfo = "Mifare Plus SL3";
}
else if (Sak == 0x10)
{
mifareInfo = "Mifare Plus SL2";
}
else if (Sak == 0x00)
{
mifareInfo = "Mifare EM";
}
}
break;
case 0x03:
if (atqa[0] == 0x44 || atqa[0] == 0x4)
{
mifareInfo = "Mifare Desfire";
}
break;
default:
break;
}
}
}
}
else if (IsFelicaTag(tag))
{
mifareInfo = "Felica";
}
}
return(mifareInfo);
}