partial void Deletetrade(trade instance);
partial void Updatetrade(trade instance);
partial void Inserttrade(trade instance);
private void detach_trades(trade entity)
{
this.SendPropertyChanging();
entity.account = null;
}
private void attach_trades(trade entity)
{
this.SendPropertyChanging();
entity.account = this;
}
public string checkAndPay(string receivedData)
{
string returnFalse = "false";
Console.WriteLine("Someone Is Consuming Your Service");
try
{
/*split the mac and the data, with "--***--" delimiter*/
string[] splitResult1 = receivedData.Split(new string[] { "--***--" }, StringSplitOptions.None);
string allData = splitResult1[0];
string mac = splitResult1[1];
/*validate data integrity with MAC checker*/
if (EncryptionController.ValidateSHA1HashData(allData, mac))
{
Console.WriteLine("MAC Data is Valid");
/*if validated, then split the encryptedPaymentDetail and the signedData with "**---**" delimiter*/
string[] splitResult2 = allData.Split(new string[] { "**---**" }, StringSplitOptions.None);
string encryptedPaymentDetail = splitResult2[0];
string signedData = splitResult2[1];
/*verify the data sender by it's sign*/
/*load certificate of MerchantApp to get its public key*/
X509Certificate2 merchantAppCertificate = EncryptionController.LoadCertificate(StoreLocation.LocalMachine, "CN=MerchantApp");
if (EncryptionController.VerifyData(encryptedPaymentDetail, signedData, merchantAppCertificate))
{
Console.WriteLine("SIGNED Data is Valid");
/*Load my certificate to get my private key*/
X509Certificate2 myCertificate = new X509Certificate2("E:/IssuerBank.pfx", "pidel123", X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
/*if verified, decrypt the encryptedPaymentDetail*/
string decryptedPaymentDetail = EncryptionController.Decrypt(myCertificate, encryptedPaymentDetail);
Console.WriteLine(decryptedPaymentDetail);
string[] splitResult3 = decryptedPaymentDetail.Split(new string[] { "**~~~**" }, StringSplitOptions.None);
string cc_number = splitResult3[0];
string stringAmount = splitResult3[1];
Console.WriteLine(stringAmount);
string[] amountSplit = stringAmount.Split(',');
decimal amount = Convert.ToDecimal(amountSplit[0]);
Console.WriteLine("Add new debt : "+amount);
var cc = (from log in dbAction.credit_cards where (cc_number == log.cc_number) select log).FirstOrDefault();
if (cc_number == cc.cc_number)
{
Console.WriteLine("Account / Credit Card Data is Valid");
trade trd = new trade()
{
id_account = cc.id_account,
amount = amount,
time = DateTime.Now,
description = "From Merchant App",
issuer = "MerchantApp",
trade_type = "3"
};
dbAction.trades.InsertOnSubmit(trd);
dbAction.SubmitChanges();
Console.WriteLine("All Data is Valid");
Console.WriteLine("Now tell the Merchant Bank About The Amount");
X509Certificate2 merchantPUCertificate = EncryptionController.LoadCertificate(StoreLocation.LocalMachine, "CN=MerchantBank");
string encryptedAmountToMerchantbank = EncryptionController.Encrypt(merchantPUCertificate, amount.ToString());
string signedAmountToMerchantbank = EncryptionController.addDigitalSignature(encryptedAmountToMerchantbank);
string encryptedAndSignedToMerchantbank = encryptedAmountToMerchantbank + "**---**" + signedAmountToMerchantbank;
string macToMerchantbank = EncryptionController.GetSHA1HashData(encryptedAndSignedToMerchantbank);
string dataToSendToMerchantbank = encryptedAndSignedToMerchantbank + "--***--" + macToMerchantbank;
Console.WriteLine("Data Encrypted, Now SEND it");
return dataToSendToMerchantbank;
}
else
{
Console.WriteLine("Account is not existed.");
return returnFalse;
}
}
else
{
Console.WriteLine("Data is not sent by Merchant App, do not proceed");
return returnFalse;
}
}
else
{
Console.WriteLine("Mac is not valid, data may changed");
return returnFalse;
}
}
catch (Exception x)
{
Console.WriteLine(x);
return returnFalse;
}
}
