static PDOLResolver CreateResolver()
{
var rnd = new Random();
var resolver = new PDOLResolver();
//TTQ
resolver.PDOLCodesResolvers.Add(0x9F66, (l) =>
{
return(new byte[] { 0xB6, 0x20, 0xC0, 0x00 });
});
//Amount
resolver.PDOLCodesResolvers.Add(0x9F02, (l) =>
{
var buff = new byte[l];
buff[l - 1] = 1;
return(buff);
});
//Unpredictable number
resolver.PDOLCodesResolvers.Add(0x9F37, (l) =>
{
var buff = new byte[l];
rnd.NextBytes(buff);
return(buff);
});
//Transaction Country
resolver.PDOLCodesResolvers.Add(0x9F1A, (l) =>
{
return(new byte[] { 0x06, 0x43 });
});
//Transaction Currency code
resolver.PDOLCodesResolvers.Add(0x5F2A, (l) =>
{
return(new byte[] { 0x06, 0x43 });
});
//Transaction date
resolver.PDOLCodesResolvers.Add(0x9A03, (l) =>
{
var decYear = DateTime.Now.Year % 100;
var decMonth = DateTime.Now.Month;
var decDate = DateTime.Now.Day;
//bcd date
return(new byte[]
{
(byte)((decYear / 10 << 4) | (decYear % 10)),
(byte)((decMonth / 10 << 4) | (decMonth % 10)),
(byte)((decDate / 10 << 4) | (decDate % 10))
});
});
resolver.PDOLCodesResolvers.Add(0x9F40, (l) =>
{
return(new byte[] { 0x70, 0x00, 0x80, 0xB0, 0x01 });
});
return(resolver);
}
private bool ProcessCardFromAID(byte[] aid, EMVCard card)
{
var selectedApplication = Handler.SelectApplication(aid);
if (selectedApplication.Tag != 0x6F)
{
return(false);
}
var aidInnerEntries = selectedApplication.ReadInnerTlvTags();
var aidFCI = aidInnerEntries.FirstOrDefault(x => x.Tag == 0xA5);
if (aidFCI == null)
{
return(false);
}
var aidFCIInner = aidFCI.ReadInnerTlvTags();
var aidNameTag = aidFCIInner.FirstOrDefault(x => x.Tag == 0x50);
var aidName = aidNameTag == null ? "Unknown" : Encoding.ASCII.GetString(aidNameTag.Value);
card.CardName = aidName;
var pdol = aidFCIInner.FirstOrDefault(x => x.Tag == 0x9F38);
byte[] PDOLResponse = null;
if (pdol == null)
{
PDOLResponse = new byte[] { 0x83, 0x00 };
}
else
{
if (PDOLResolver == null)
{
throw new SL600Sharp.SL600Exception("No PDOL resolver availible");
}
PDOLResponse = PDOLResolver.Resolve(pdol.Value);
}
var gpoResponse = Handler.GetProcessingOptions(PDOLResponse);
byte[] afl = null;
ushort auc = 0;
if (gpoResponse.Tag == 0x77)
{
var gpoResponseInner = gpoResponse.ReadInnerTlvTags();
var aucTag = gpoResponseInner.FirstOrDefault(x => x.Tag == 0x82);
var aflTag = gpoResponseInner.FirstOrDefault(x => x.Tag == 0x94);
if (aflTag == null || aucTag == null)
{
throw new SL600Sharp.SL600Exception("No AUC or AFL presented");
}
auc = (ushort)((aucTag.Value[0] << 8) | aucTag.Value[0]);
afl = aflTag.Value;
}
else if (gpoResponse.Tag == 0x80)
{
auc = (ushort)((gpoResponse.Value[0] << 8) | gpoResponse.Value[1]);
afl = new byte[gpoResponse.Value.Length - 2];
Array.ConstrainedCopy(gpoResponse.Value, 2, afl, 0, afl.Length);
}
else
{
throw new SL600Sharp.SL600Exception($"Not supported tag for GPO operation ({gpoResponse.Tag.Value.ToString("X2")})");
}
for (int i = 0; i < afl.Length; i += 4)
{
var sfiFromAFL = afl[i] >> 3;
var firstRec = afl[i + 1];
var lastRec = afl[i + 2];
var sda = afl[i + 3];
for (byte page = firstRec; page <= lastRec; page++)
{
ProcessMembank(Handler.ReadRecord((byte)sfiFromAFL, page), card);
}
}
return(true);
}
