/// <summary>
/// Sends reading command using ABECS in case of a magnetic stripe card.
/// Unexpected behavior if amount is too large (over quadrillion).
/// </summary>
/// <param name="pinpadCommunication"></param>
/// <param name="pan">Primary Account Number printed on the card.</param>
/// <param name="amount">Transaction amount.</param>
/// <returns>ABECS GPN command response.</returns>
private GpnResponse SendGpn(IPinpadCommunication pinpadCommunication, string pan, decimal amount)
{
GpnRequest request = new GpnRequest();
// Assembling GPN command.
request.GPN_METHOD.Value = new CryptographyMethod(KeyManagementMode.DerivedUniqueKeyPerTransaction,
CryptographyMode.TripleDataEncryptionStandard);
request.GPN_KEYIDX.Value = (int)StoneIndexCode.EncryptionKey;
request.GPN_WKENC.Value = new HexadecimalData("");
request.GPN_PAN.Value = pan;
// Assembling GPN mandatory entries to GPN command.
GpnPinEntryRequest pinEntry = new GpnPinEntryRequest();
pinEntry.GPN_MIN.Value = PinReader.PASSWORD_MINIMUM_LENGTH;
pinEntry.GPN_MAX.Value = PinReader.PASSWORD_MAXIMUM_LENGTH;
pinEntry.GPN_MSG.Value.Padding = DisplayPaddingType.Left;
pinEntry.GPN_MSG.Value.FirstLine = this.GetAmountLabel(amount);
pinEntry.GPN_MSG.Value.SecondLine = PASSWORD_LABEL;
// Adds the entry to list of entries supported by a GPN command.
request.GPN_ENTRIES.Value.Add(pinEntry);
GpnResponse response = pinpadCommunication.SendRequestAndReceiveResponse <GpnResponse>(request);
return(response);
}
// Used internally
/// <summary>
/// Sends reading command using ABECS when card have a chip.
/// </summary>
/// <param name="pinpadCommunication">Pinpad communication, through which the communication with the pinpad is made.</param>
/// <param name="amount">Transaction amount.</param>
/// <returns>ABECS GOC command response.</returns>
private GocResponse SendGoc(IPinpadCommunication pinpadCommunication, decimal amount)
{
GocRequest request = new GocRequest();
request.GOC_AMOUNT.Value = Convert.ToInt64(amount * 100);
request.GOC_CASHBACK.Value = 0;
request.GOC_EXCLIST.Value = false;
request.GOC_CONNECT.Value = true;
request.GOC_METHOD.Value = new CryptographyMethod(KeyManagementMode.DerivedUniqueKeyPerTransaction,
CryptographyMode.TripleDataEncryptionStandard);
request.GOC_KEYIDX.Value = (int)StoneIndexCode.EncryptionKey;
request.GOC_WKENC.Value = new HexadecimalData("00000000000000000000000000000000");
request.GOC_RISKMAN.Value = false;
request.GOC_FLRLIMIT.Value = new HexadecimalData("00000000");
request.GOC_TPBRS.Value = 0;
request.GOC_TVBRS.Value = new HexadecimalData("00000000");
request.GOC_MTPBRS.Value = 0;
request.GOC_TAGS1.Value = new HexadecimalData(EmvTag.GetEmvTagsRequired());
request.GOC_TAGS2.Value = new HexadecimalData(string.Empty);
GocResponse response = pinpadCommunication.SendRequestAndReceiveResponse <GocResponse>(request);
return(response);
}