/// <summary>
/// Read the smart card and authenticate it using EMVCO rules
/// </summary>
/// <param name="readerName"></param>
/// <returns>AltsInfo Authenticated True or false</returns>
private AltsInfo Authenticate(string readerName)
{
AltsInfo ok = new AltsInfo();
try
{
SmartCard sa = new SmartCard(readerName);
var res = sa.GetAIDs(true);
SmartApplication sapp = sa.Applications[0];
sapp.SelectApplication();
sapp.GetProcessingOptions();
sapp.ReadRecords();
OfflineAuth oa = new OfflineAuth(sapp);
string cardNumber = sapp.GetTagValue(EmvConstants.ResponceType.ReaderRecord, "5A");
string expdate = sapp.GetTagValue(EmvConstants.ResponceType.ReaderRecord, "5F25");
///Keep the hash data of cardnumber and expiryDate
string token = HashData(cardNumber + expdate, oa.ICC_KEY_HASH);
ok.Authenticated = !string.IsNullOrEmpty(token);
ok.AuthDeviceId = token;
}
catch (Exception ex)
{
ok.Authenticated = false;
ok.AuthDeviceId = ex.Message;
}
return(ok);
}
private void TrustDevice(string readerName)
{
SmartCard sa = new SmartCard(readerName);
var res = sa.GetAIDs(true);
SmartApplication sapp = sa.Applications[0];
sapp.SelectApplication();
sapp.GetProcessingOptions();
sapp.ReadRecords();
OfflineAuth oa = new OfflineAuth(sapp);
string cardNumber = sapp.GetTagValue(EmvConstants.ResponceType.ReaderRecord, "5A");
string expdate = sapp.GetTagValue(EmvConstants.ResponceType.ReaderRecord, "5F25");
///Keep the hash data of cardnumber and expiryDate
string token = HashData(cardNumber + expdate, oa.ICC_KEY_HASH);
AltsInfo ok = new AltsInfo()
{
AuthDeviceId = token, Authenticated = !string.IsNullOrEmpty(token)
};
if (ok.Authenticated)
{
TrustedDevice = ok;
}
}